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IAH to SAN

Houston to San Diego Flights

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

Fare checked before payment All fees shown upfront Transparent cancellation policy 24×7 booking support
Lowest fare₹14,175Delta Air Lines
Fastest3h 29mgate to gate
Options found158flights on this route
Find your flight IAH SAN

Available Flights & Fares

Compare fares, timings and baggage. Pick the flight that suits your trip.

Prices in INR
158 flight options

Fares are checked again before payment.

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Delta Air Lines
Delta Air Lines
DL-1069
05:29
2026-10-29
Houston (IAH)George Bush Intercontinental
9H :15 M
1 Stop
ATL · 2h 39m Atlanta (ATL), United States
12:44
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1315
07:00
2026-10-29
Houston (IAH)George Bush Intercontinental
7H :44 M
1 Stop
ATL · 1h 08m Atlanta (ATL), United States
12:44
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1832
14:21
2026-10-29
Houston (IAH)George Bush Intercontinental
7H :51 M
1 Stop
MSP · 1h 05m Minneapolis (MSP), United States
20:12
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1299
19:27
2026-10-29
Houston (IAH)George Bush Intercontinental
6H :28 M
1 Stop
SLC · 1h 11m Salt Lake City (SLC), United States
23:55
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1069
05:29
2026-10-29
Houston (IAH)George Bush Intercontinental
7H :44 M
1 Stop
ATL · 1h 09m Atlanta (ATL), United States
11:13
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2491
09:30
2026-10-29
Houston (IAH)George Bush Intercontinental
3H :29 M
Non Stop
10:59
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2399
11:55
2026-10-29
Houston (IAH)George Bush Intercontinental
3H :29 M
Non Stop
13:24
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2212
14:25
2026-10-29
Houston (IAH)George Bush Intercontinental
3H :29 M
Non Stop
15:54
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1979
16:24
2026-10-29
Houston (IAH)George Bush Intercontinental
3H :29 M
Non Stop
17:53
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1911
19:56
2026-10-29
Houston (IAH)George Bush Intercontinental
3H :30 M
Non Stop
21:26
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 5 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1583
07:10
2026-10-29
Houston (IAH)George Bush Intercontinental
18H :45 M
1 Stop
SLC · 13h 27m Salt Lake City (SLC), United States
23:55
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1532
14:19
2026-10-29
Houston (IAH)George Bush Intercontinental
11H :36 M
1 Stop
SLC · 6h 16m Salt Lake City (SLC), United States
23:55
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
AA
American Airlines
AA-2551
05:00
2026-10-29
Houston (IAH)George Bush Intercontinental
5H :24 M
1 Stop
DFW · 0h 55m Dallas (DFW), United States
08:24
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
AA
American Airlines
AA-2551
05:00
2026-10-29
Houston (IAH)George Bush Intercontinental
7H :27 M
1 Stop
DFW · 2h 55m Dallas (DFW), United States
10:27
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
AA
American Airlines
AA-700
06:00
2026-10-29
Houston (IAH)George Bush Intercontinental
6H :27 M
1 Stop
DFW · 1h 51m Dallas (DFW), United States
10:27
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
AA
American Airlines
AA-700
06:00
2026-10-29
Houston (IAH)George Bush Intercontinental
8H :12 M
1 Stop
DFW · 3h 40m Dallas (DFW), United States
12:12
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
United Airlines
United Airlines
UA-417
06:10
2026-10-29
Houston (IAH)George Bush Intercontinental
7H :21 M
1 Stop
LAX · 2h 36m Los Angeles (LAX), United States
11:31
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
AA
American Airlines
AA-3026
07:00
2026-10-29
Houston (IAH)George Bush Intercontinental
5H :27 M
1 Stop
DFW · 0h 51m Dallas (DFW), United States
10:27
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
AA
American Airlines
AA-3026
07:00
2026-10-29
Houston (IAH)George Bush Intercontinental
7H :12 M
1 Stop
DFW · 2h 40m Dallas (DFW), United States
12:12
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 3 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
United Airlines
United Airlines
UA-2600
07:20
2026-10-29
Houston (IAH)George Bush Intercontinental
6H :11 M
1 Stop
LAX · 1h 23m Los Angeles (LAX), United States
11:31
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2112
07:20
2026-10-29
Houston (IAH)George Bush Intercontinental
7H :36 M
1 Stop
DEN · 2h 23m Denver (DEN), United States
12:56
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1047
08:00
2026-10-29
Houston (IAH)George Bush Intercontinental
5H :31 M
1 Stop
LAX · 0h 43m Los Angeles (LAX), United States
11:31
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces

Recommended hotels in San Diego

Stay options near the arrival city for the same travel date.

Search hotels
United Airlines
United Airlines
UA-2744
08:30
2026-10-29
Houston (IAH)George Bush Intercontinental
7H :17 M
1 Stop
SFO · 1h 14m San Francisco (SFO), United States
13:47
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 2 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2744
08:30
2026-10-29
Houston (IAH)George Bush Intercontinental
9H :02 M
1 Stop
SFO · 2h 59m San Francisco (SFO), United States
15:32
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-281
09:40
2026-10-29
Houston (IAH)George Bush Intercontinental
7H :15 M
1 Stop
DEN · 2h 03m Denver (DEN), United States
14:55
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2358
10:35
2026-10-29
Houston (IAH)George Bush Intercontinental
6H :57 M
1 Stop
SFO · 0h 57m San Francisco (SFO), United States
15:32
2026-10-29
San Diego (SAN)Lindberg Fld S. Diego
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces

Up to 120 of 158 options on this route. Open the full search to see them all with every filter.

No flights match the selected filters. Clear filters or open full search.

Airfare Highlights

From flights departing on Thu, 29 Oct 2026.

Lowest fare ₹14,175 Delta Air Lines 05:29
Earliest departure ₹19,470 American Airlines 05:00
Shortest duration ₹18,721 United Airlines 09:30
Night 00:00-05:59 ₹14,175 Delta Air Lines at 05:29
Morning 06:00-11:59 ₹14,175 Delta Air Lines at 07:00
Afternoon 12:00-17:59 ₹14,175 Delta Air Lines at 14:21
Evening 18:00-23:59 ₹14,175 Delta Air Lines at 19:27

Departure & Arrival Airport Details

Houston (IAH)

George Bush Intercontinental

United States

GMT -6

Latitude: 29.984399795532227

Longitude: -95.34140014648438

San Diego (SAN)

Lindberg Fld S. Diego

United States

GMT -8

Latitude: 32.7336006165

Longitude: -117.190002441

Distance: Houston (IAH), United States to San Diego (SAN), United States - 2,093.15 km
Flights shown for 29 Oct 2026. View all flights opens the complete search result.
Route forecast

Weather in Houston and San Diego

Live forecast for both cities, 12 Oct to 15 Oct.

Departure city

Houston

Thu, 15 Oct
31°CClear skyLow 23°
94% humidity 6 km/h wind 0.4 mm rain
  • Mon30° / 20°
  • Tue31° / 21°
  • Wed31° / 23°
Arrival city

San Diego

Thu, 15 Oct
22°CClear skyLow 15°
78% humidity 9 km/h wind
  • Mon22° / 18°
  • Tue20° / 13°
  • Wed20° / 16°

Forecast data from MET Norway, CC BY 4.0.

Smart travel dates

Holidays and peak dates for San Diego

Fares and hotel rates usually run higher around these dates. Booking earlier or moving your trip by a day or two often costs less.

Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).

  • 12OctColumbus DayMonday
  • 12OctColumbus DayMonday
  • 12OctIndigenous Peoples' DayMonday
  • 11NovVeterans DayWednesday
  • 26NovThanksgiving DayThursday
  • 25DecChristmas DayFriday

Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here, so check the exact date for your travel year.

Compare your journey

How to travel Houston to San Diego

Ways to make this trip that you can book on FlyX, compared by price and journey time.

OptionFromJourney timeAvailabilityAction
Non-stop flight Fastest₹18,7213h 29m5 flights
Connecting flight₹14,175Longer, includes a stop153 options

Air distance is about 2,093 km. 5 airlines operate this route.

Road distance and coach duration are approximate estimates from the air distance, not a timetable.

Airlines flying from Houston to San Diego

Compare fares, stops, baggage and refundability across the airlines flying this route.

United Airlines Flights

from ₹18,72189 flights
Fares from
₹18,721
Non-stop
5 in these results
Departures
89 in the list above

American Airlines Flights

from ₹19,47037 flights
Fares from
₹19,470
Non-stop
None in these results
Departures
37 in the list above

Delta Air Lines Flights

from ₹14,17521 flights
Fares from
₹14,175
Non-stop
None in these results
Departures
21 in the list above

Qatar Airways Flights

from ₹186,3908 flights
Fares from
₹186,390
Non-stop
None in these results
Departures
8 in the list above

Alaska Airlines Flights

from ₹46,9143 flights
Fares from
₹46,914
Non-stop
None in these results
Departures
3 in the list above

Route Overview & Flight Facts

Fastest flight duration3h 29m · United Airlines
First departure of the day05:00 · American Airlines
Last departure of the day21:45 · United Airlines
Flight options found158
Direct / non-stop options5
Airport codesHouston–IAH, San Diego–SAN

Fares and timings are indicative. The exact price is confirmed with the airline when you search.

Flight Schedule, Timings & Airfare Insights

Daily Flight Schedule & Travel Duration

The search for Thu, 29 Oct found 158 flight options, 5 of them non-stop. The first flight leaves around 05:00 and the last around 21:45. The fastest flight takes about 3h 29m.

Morning vs Evening Departure Fares

Lowest fare by departure window: Night from ₹14,175, Morning from ₹14,175, Afternoon from ₹14,175, Evening from ₹14,175. These observations do not predict the cheapest departure window on other dates.

Cheapest Airfare & Best Time to Book

Search your travel dates to compare current fares. Prices change with airline seat availability.

One-Way vs Round-Trip Fare Comparison

Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.

Online Web Check-In & Boarding Pass

Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.

How to Book Cheap Flights on FlyX

  1. 1
    Enter your travel details

    Choose one-way or round-trip, pick your dates and travellers in the search form above.

  2. 2
    Compare search results

    Sort or filter the Houston–San Diego results by price, departure time, stops and airline.

  3. 3
    Open the fare choices

    Check baggage allowance and refundability for each fare type before continuing.

  4. 4
    Review the final price

    Review the refreshed supplier fare, coupon saving and selected payment-method fee before you pay.

  5. 5
    Pay securely

    UPI, cards, net banking and wallets supported; payment and ticket issuance have separate statuses. If issuance is pending, follow the booking status; the confirmed ticket is sent after issuance.

Why Book Your Flight with FlyX?

Compare the available Houston to San Diego options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.

Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.

Fare checked before paymentCoupon eligibility checkedBooking status trackingBooking support

Exclusive Flight Offers & Promo Coupons

Coupon codeOfferMax saving
FLYX20Up to 20% Off on Flights₹1,500

Check coupon eligibility and the final discount on the review page before you pay. View full terms.

Frequently Asked Questions

Is it worth booking Houston to San Diego flights in advance?

There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. On the Houston to San Diego dates shown on this page, the lowest fare is on a Thursday at ₹14,175. This can change from week to week.

How far is Houston from San Diego by air?

The direct air distance between Houston (IAH) and San Diego (SAN) is about 2,093 km. Actual flight time varies with the routing the airline files and with winds on the day.

Are there non-stop flights from IAH to SAN?

Yes. 5 non-stop flights are listed on this page for Houston to San Diego. Use the Stops filter to see only those.

Which airlines fly Houston to San Diego?

United Airlines, American Airlines, Delta Air Lines, Qatar Airways and 1 other are listed on this route for the dates shown here. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.

How long is the flight from Houston to San Diego?

The quickest non-stop Houston to San Diego flight on this page takes about 3h 29m. Non-stop flights here take between 3h 29m and 3h 30m. Journeys with a stop take longer, since the total includes the layover.

What is the baggage allowance on Houston to San Diego flights?

Allowance is set by the airline and the fare you pick, not by the route. Fares on this page include 2 Pieces. Cabin baggage is counted separately, and the exact allowance for the fare you choose is shown in the fare conditions before payment.

What is the cheapest Houston to San Diego flight fare?

The lowest Houston to San Diego fare on this page is ₹14,175. Fares on the same dates run up to ₹211,140, depending on airline, timing and fare type. Airline prices change often, so search your dates for the current fare.

What time do Houston to San Diego flights depart?

On the dates shown here, the first departure is around 05:00 and the last around 21:45, local time at Houston. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.

Why does the price change after clicking Book Now?

Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay. If it has moved, you see the new figure before any payment.

Before you book this route

Check the airport codes IAH–SAN, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.

Where these fares come from

The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price. Run a search to see what is available for your own dates.

Fares shown are for departures on .

Check official travel requirements

Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.

For payment, ticket issuance or a change request, see FlyX support. About FlyX.

United States travel guide for Indian travellers

Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.

Read the United States travel guide

What to Expect When Booking Your Flight

The IAH to SAN cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 2,093.15 km.

Before you book

Compare nearby dates

The date strip opens the complete search result for the route and selected date.

Use filters

Shortlist by price, stops, departure time and refundable fare preference.

Check fare choices

Continue to Booking opens the verified fare choices, including baggage and refundability, before review.

Lowest Houston to San Diego airfare, in 30 days and in 90 days

Cheapest FareFareDateAirlineDeparture
Lowest Airfare ₹14,175 29/10/2026 Delta Air Lines 05:29
Cheapest Airfare Within 30 Days ₹13,892 06/11/2026 Delta Air Lines 05:29
Cheapest Airfare Within 90 Days ₹13,466 05/01/2027 Delta Air Lines 05:29

Book Houston to San Diego Flight Tickets on FlyX

FlyX lists each Houston to San Diego flight in these results with its fare, departure time, stops, layover airport and baggage, so you can compare air tickets side by side. To find a cheap ticket, sort by price and check what baggage the fare includes. The fare is checked with the airline again before you pay.

Houston to San Diego Flight Distance, Duration and Time

The aerial distance between Houston and San Diego is about 2,093 KM. In these results, journey times range from 3h 29m to 50h 27m. Flights with a layover take longer because the total includes the connection time.

Houston to San Diego Flight Schedule and Timing

The search for these dates returned 158 flight options, 5 of them non-stop. The first departure from Houston is at 05:00 and the last is at 21:45. Flights leave from George Bush Intercontinental and land at Lindberg Fld S. Diego.

Flight Route Details & Analysis

Flight DetailsInformation
RouteHouston to San Diego
Aerial Distance2,093 KM
Flight Duration3h 29m - 50h 27m
Airport CodesHouston - IAH, San Diego - SAN
Total Flights Available158 flights5 direct153 with layovers
First Flight DepartureDeparts at 05:00
Last Flight DepartureDeparts at 21:45
Early Morning Flights (12 AM - 8 AM)40 flights0 direct40 with layovers
Morning Flights (8 AM - 12 PM)43 flights2 direct41 with layovers
Afternoon Flights (12 PM - 4 PM)42 flights1 direct41 with layovers
Evening Flights (4 PM - 8 PM)27 flights2 direct25 with layovers
Night Flights (8 PM - 12 AM)6 flights0 direct6 with layovers

Airport Information & Terminals

IAH: Houston airport. Houston airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.

SAN: San Diego airport. San Diego airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.

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