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.
SFOBOSSat, 03 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fareUS$173Delta Air Lines
Fastest5h 46mgate to gate
Options found154flights on this route
Find your flightSFO → BOS
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in USD
154 flight options
Fares are checked again before payment.
FLYX20AUTO APPLIED Eligible coupon savings
FLYX EXCLUSIVE SAVINGSFly farther. Pay up to 20% less.
Book eligible domestic or international flights and get 20% off the eligible base fare. T&Cs apply. An eligible payment reward may add a second benefit at payment.
Instant discount applied Extra bank reward at checkout All airlines & routes
La Quinta Inn & Suites by Wyndham Boston Somerville
23 Cummings St SomervilleMassachusetts 02145 ,
Room availability is checked live
$203per night+ taxes if applicable
1 Night • 3 Star
AA
American Airlines
AA-304
08:00
2026-10-03
SAN FRANCISCO (SFO)San Francisco International
10H :32 M
1 Stop
DFW
· 3h 01m Dallas (DFW), United States
21:32
2026-10-03
BOSTON (BOS)Logan International
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$238
Flight DetailsSFO to BOS - 10H :32 M
Baggage InfoCheck-in 0 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Non Refundable
Fare Type
AirLine Private
1 Pieces 2 Pieces
$317
Flight DetailsSFO to BOS - 10H :32 M
Baggage InfoCheck-in 1 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-1568
08:15
2026-10-03
SAN FRANCISCO (SFO)San Francisco International
8H :07 M
1 Stop
ORD
· 0h 45m Chicago (ORD), United States
19:22
2026-10-03
BOSTON (BOS)Logan International
Non Refundable 5 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$238
Flight DetailsSFO to BOS - 8H :07 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-1568
08:15
2026-10-03
SAN FRANCISCO (SFO)San Francisco International
10H :43 M
1 Stop
ORD
· 3h 34m Chicago (ORD), United States
21:58
2026-10-03
BOSTON (BOS)Logan International
Non Refundable 5 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$238
Flight DetailsSFO to BOS - 10H :43 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-2498
08:50
2026-10-03
SAN FRANCISCO (SFO)San Francisco International
10H :02 M
1 Stop
IAH
· 1h 52m Houston (IAH), United States
21:52
2026-10-03
BOSTON (BOS)Logan International
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$238
Flight DetailsSFO to BOS - 10H :02 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Up to 120 of 154 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.
Today's Airfare Highlights
Selected flight highlights for 03 Oct 2026.
Lowest fare$173Delta Air Lines15:00
Earliest departure$298Delta Air Lines00:05
Shortest duration$173Delta Air Lines15:00
Night
00:00-05:59
$238United Airlines at 00:35Morning
06:00-11:59
$238American Airlines at 06:00Afternoon
12:00-17:59
$173Delta Air Lines at 15:00Evening
18:00-23:59
$238United Airlines at 18:45
Departure & Arrival Airport Details
San Francisco (SFO)
San Francisco International
United States
GMT -8
Latitude: 37.61899948120117
Longitude: -122.375
Boston (BOS)
Logan International
United States
GMT -5
Latitude: 42.36429977
Longitude: -71.00520325
Distance: San Francisco (SFO), United States to Boston (BOS), United States - 4,341.24 km
Flights shown for 03 Oct 2026. View all flights opens the complete search result.
Fares and hotel rates usually run higher around these dates. Booking earlier — or shifting a day or two — often costs less.
Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).
12OctColumbus DayMonday · in 29 daysPeak
12OctColumbus DayMonday · in 29 daysPeak
12OctIndigenous Peoples' DayMonday · in 29 daysPeak
11NovVeterans DayWednesday · in 59 days
26NovThanksgiving DayThursday · in 74 days
25DecChristmas DayFriday · in 103 days
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here — check the exact date for your travel year.
Compare your journey
How to travel San Francisco to Boston
Every option we can actually book for you, compared on price and journey time.
Connecting flight₹22,741Longer — includes a stop145 options
Air distance is about 4,341 km. 5 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from San Francisco to Boston
Compare fares, stops, baggage and refundability across the airlines flying this route.
UN
United Airlines Flights
from $22858 flights
Fares from
$228
Non-stop
6 in these results
Departures
58 — compare timings in the list above
DE
Delta Air Lines Flights
from $17340 flights
Fares from
$173
Non-stop
3 in these results
Departures
40 — compare timings in the list above
AM
American Airlines Flights
from $23836 flights
Fares from
$238
Non-stop
None in these results
Departures
36 — compare timings in the list above
AL
Alaska Airlines Flights
from $26615 flights
Fares from
$266
Non-stop
None in these results
Departures
15 — compare timings in the list above
QA
Qatar Airways Flights
from $1,8295 flights
Fares from
$1,829
Non-stop
None in these results
Departures
5 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
5h 46m · Delta Air Lines
First departure of the day
00:05 · Delta Air Lines
Last departure of the day
23:55 · United Airlines
Options in this snapshot
154
Direct / non-stop options
9
Airport codes
San Francisco–SFO, Boston–BOS
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
Around 154 flights appear in the dated route snapshot, including 9 non-stop options. Departures run through the day — the first flight leaves around 00:05 and the last around 23:55. The fastest flight takes about 5h 46m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Afternoon from $173, Night from $238, Morning from $238, Evening from $238. 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 update continuously with airline inventory.
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
Enter your travel details
Choose one-way or round-trip, pick your dates and travellers in the search form above.
2
Compare search results
Sort or filter the San Francisco–Boston results by price, departure time, stops and airline.
3
Open the fare choices
Check baggage allowance and refundability for each fare type before continuing.
4
Review the final price
Review the refreshed supplier fare, coupon saving and selected payment-method fee before you pay.
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 San Francisco to Boston 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 code
Offer
Max saving
FLYX20
Up 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 San Francisco to Boston 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. Across the dates currently loaded for San Francisco to Boston, Saturday shows the lowest fare at $173. That is an observed snapshot for these dates, not a rule that holds every week.
How far is San Francisco from Boston by air?
The direct air distance between San Francisco (SFO) and Boston (BOS) is about 4,341 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from SFO to BOS?
Yes. 9 non-stop flights are showing on San Francisco to Boston for the dates currently loaded. Use the Stops filter to see only those.
Which airlines fly San Francisco to Boston?
United Airlines, Delta Air Lines, American Airlines, Alaska Airlines and 1 other are showing on this route for the dates currently loaded. 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 San Francisco to Boston?
The quickest non-stop San Francisco to Boston flight currently loaded takes about 5h 46m. Across the non-stop options showing, block time ranges from 5h 46m to 8h 14m. Journeys with a stop take longer, since the total includes the layover.
What is the baggage allowance on San Francisco to Boston flights?
Allowance is set by the airline and the fare you pick, not by the route. Fares showing right now 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 San Francisco to Boston flight fare?
The lowest fare showing on San Francisco to Boston for the dates currently loaded is $173. Fares on the same dates run up to $2,626, depending on airline, timing and fare type. Airline pricing moves continuously, so treat this as a dated observation rather than a fixed price.
What time do San Francisco to Boston flights depart?
For the dates currently loaded the first departure is around 00:05 and the last is around 23:55, local time at San Francisco. 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 SFO–BOS, 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.
Last checked .
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.
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.
The SFO to BOS 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: 4,341.24 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 San Francisco to Boston airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
$173
03/10/2026
Delta Air Lines
15:00
Cheapest Airfare Within 30 Days
$170
13/10/2026
Delta Air Lines
15:00
Cheapest Airfare Within 90 Days
$165
12/12/2026
Delta Air Lines
15:00
Book San Francisco to Boston Flight Tickets on FlyX
Planning to fly from San Francisco to Boston? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
San Francisco to Boston Flight Distance, Duration and Time
The aerial distance between San Francisco and Boston is approximately 4,341 KM. The flight duration ranges from 5H :46 M up to 47H :55 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
San Francisco to Boston Flight Schedule and Timing
Around 154 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from San Francisco at 00:05, while the last night flight leaves at 23:55. Flights depart from San Francisco International and land at Logan International.
Flight Route Details & Analysis
Flight Details
Information
Route
San Francisco to Boston
Aerial Distance
4,341 KM
Flight Duration
5H :46 M - 47H :55 M
Airport Codes
San Francisco - SFO, Boston - BOS
Total Flights Available
154 flights (9 direct)
First Flight Departure
Departs at 00:05
Last Flight Departure
Departs at 23:55
Early Morning Flights (12 AM - 8 AM)
49 direct/indirect flights
Morning Flights (8 AM - 12 PM)
40 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
23 direct/indirect flights
Evening Flights (4 PM - 8 PM)
12 direct/indirect flights
Night Flights (8 PM - 12 AM)
30 direct/indirect flights
Airport Information & Terminals
SFO: San Francisco International Airport. SFO connects by BART to the city, while cabs or app rides are easier for Silicon Valley, family luggage or late arrivals. Fog and bridge traffic can affect plans.
BOS: Boston Logan International Airport. Logan is close to downtown Boston compared with many US airports. Taxis, airport buses and transit work well, but winter weather and academic move-in dates can change travel ease.
✈
Preparing your flight
Please wait while we confirm the live fare and seat availability with the airline.
San Francisco International