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.
COSIADSat, 03 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fareUS$258Delta Air Lines
Fastest5h 30mgate to gate
Options found122flights on this route
Find your flightCOS → IAD
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in USD
122 flight options
Fares are checked again before payment.
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Holiday Inn Express & Suites Ft. Washington - Philadelphia
432 Pennsylvania Avenue, 19034
Room availability is checked live
$240per night+ taxes if applicable
1 Night • 4 Star
United Airlines
UA-4675
11:33
2026-10-03
Colorado Springs (COS)Colorado Springs
7H :38 M
1 Stop
DEN
· 3h 00m Denver (DEN), United States
21:11
2026-10-03
Washington Dulles (IAD)Washington Dulles International
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$339
Flight DetailsCOS to IAD - 7H :38 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Non Refundable
Fare Type
AirLine Private
0 Pieces 1 Pieces
$692
Flight DetailsCOS to IAD - 7H :38 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
AA
American Airlines
AA-6221
05:45
2026-10-03
Colorado Springs (COS)Colorado Springs
12H :39 M
1 Stop
DFW
· 7h 36m Dallas (DFW), United States
20:24
2026-10-03
Washington Dulles (IAD)Washington Dulles International
Non Refundable 2 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$413
Flight DetailsCOS to IAD - 12H :39 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
$530
Flight DetailsCOS to IAD - 12H :39 M
Baggage InfoCheck-in 1 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
AA
American Airlines
AA-782
08:07
2026-10-03
Colorado Springs (COS)Colorado Springs
10H :17 M
1 Stop
DFW
· 5h 20m Dallas (DFW), United States
20:24
2026-10-03
Washington Dulles (IAD)Washington Dulles International
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 2 Pieces
$413
Flight DetailsCOS to IAD - 10H :17 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
$530
Flight DetailsCOS to IAD - 10H :17 M
Baggage InfoCheck-in 1 Pieces - Cabin 2 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
United Airlines
UA-5325
07:40
2026-10-03
Colorado Springs (COS)Colorado Springs
6H :47 M
1 Stop
IAH
· 1h 03m Houston (IAH), United States
16:27
2026-10-03
Washington Dulles (IAD)Washington Dulles International
Non Refundable 3 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$473
Flight DetailsCOS to IAD - 6H :47 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Type
Non Refundable
Fare Type
AirLine Private
0 Pieces 1 Pieces
$1,511
Flight DetailsCOS to IAD - 6H :47 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Up to 120 of 122 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$258Delta Air Lines06:00
Earliest departure$303United Airlines05:30
Shortest duration$339United Airlines06:00
Night
00:00-05:59
$303United Airlines at 05:30Morning
06:00-11:59
$258Delta Air Lines at 06:00Afternoon
12:00-17:59
$303United Airlines at 12:15Evening
18:00-23:59
No optionOpen full search for more
Departure & Arrival Airport Details
Colorado Springs (COS)
Colorado Springs
United States
GMT -7
Latitude: 38.805801
Longitude: -104.700996
Washington Dulles (IAD)
Washington Dulles International
United States
GMT -5
Latitude: 38.94449997
Longitude: -77.45580292
Distance: Colorado Springs (COS), United States to Washington Dulles (IAD), United States - 2,349.72 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 Colorado Springs to Washington Dulles
Every option we can actually book for you, compared on price and journey time.
OptionFromJourney timeAvailability
Connecting flight₹24,649Longer — includes a stop122 options
Air distance is about 2,350 km. 4 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from Colorado Springs to Washington Dulles
Compare fares, stops, baggage and refundability across the airlines flying this route.
UN
United Airlines Flights
from $30394 flights
Fares from
$303
Non-stop
None in these results
Departures
94 — compare timings in the list above
AM
American Airlines Flights
from $30314 flights
Fares from
$303
Non-stop
None in these results
Departures
14 — compare timings in the list above
DE
Delta Air Lines Flights
from $2589 flights
Fares from
$258
Non-stop
None in these results
Departures
9 — compare timings in the list above
QA
Qatar Airways Flights
from $1,5565 flights
Fares from
$1,556
Non-stop
None in these results
Departures
5 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
5h 30m · United Airlines
First departure of the day
05:30 · United Airlines
Last departure of the day
17:07 · United Airlines
Options in this snapshot
122
Airport codes
Colorado Springs–COS, Washington Dulles–IAD
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 122 flights appear in the dated route snapshot. Departures run through the day — the first flight leaves around 05:30 and the last around 17:07. The fastest flight takes about 5h 30m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Morning from $258, Night from $303, Afternoon from $303. 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
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2
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3
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4
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5
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Why Book Your Flight with FlyX?
Compare the available Colorado Springs to Washington Dulles 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.
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Frequently Asked Questions
Is it worth booking Colorado Springs to Washington Dulles 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 Colorado Springs to Washington Dulles, Saturday shows the lowest fare at $258. That is an observed snapshot for these dates, not a rule that holds every week.
How far is Colorado Springs from Washington Dulles by air?
The direct air distance between Colorado Springs (COS) and Washington Dulles (IAD) is about 2,350 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from COS to IAD?
Not for the dates currently loaded - every Colorado Springs to Washington Dulles option showing right now has at least one stop. Non-stop service can differ by season and by day, so it is worth checking nearby dates before you decide.
Which airlines fly Colorado Springs to Washington Dulles?
United Airlines, American Airlines, Delta Air Lines and Qatar Airways 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 Colorado Springs to Washington Dulles?
Every option currently loaded has at least one stop, and the shortest total journey time is about 5h 30m including the layover. Non-stop service on this route can vary by season and by day.
What is the baggage allowance on Colorado Springs to Washington Dulles flights?
Allowance is set by the airline and the fare you pick, not by the route. Fares showing right now include 1 Pieces and 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 Colorado Springs to Washington Dulles flight fare?
The lowest fare showing on Colorado Springs to Washington Dulles for the dates currently loaded is $258. Fares on the same dates run up to $1,562, 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 Colorado Springs to Washington Dulles flights depart?
For the dates currently loaded the first departure is around 05:30 and the last is around 17:07, local time at Colorado Springs. 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 COS–IAD, 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 COS to IAD 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: 2,349.72 km.
Before you book
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Lowest Colorado Springs to Washington Dulles airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
$258
03/10/2026
Delta Air Lines
06:00
Cheapest Airfare Within 30 Days
$253
13/10/2026
Delta Air Lines
06:00
Cheapest Airfare Within 90 Days
$245
12/12/2026
Delta Air Lines
06:00
Book Colorado Springs to Washington Dulles Flight Tickets on FlyX
Planning to fly from Colorado Springs to Washington Dulles? 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.
Colorado Springs to Washington Dulles Flight Distance, Duration and Time
The aerial distance between Colorado Springs and Washington Dulles is approximately 2,350 KM. The flight duration ranges from 5H :30 M up to 62H :37 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
Colorado Springs to Washington Dulles Flight Schedule and Timing
Around 122 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from Colorado Springs at 05:30, while the last night flight leaves at 17:07. Flights depart from Colorado Springs and land at Washington Dulles International.
Flight Route Details & Analysis
Flight Details
Information
Route
Colorado Springs to Washington Dulles
Aerial Distance
2,350 KM
Flight Duration
5H :30 M - 62H :37 M
Airport Codes
Colorado Springs - COS, Washington Dulles - IAD
Total Flights Available
122 flights (0 direct)
First Flight Departure
Departs at 05:30
Last Flight Departure
Departs at 17:07
Early Morning Flights (12 AM - 8 AM)
35 direct/indirect flights
Morning Flights (8 AM - 12 PM)
51 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
27 direct/indirect flights
Evening Flights (4 PM - 8 PM)
9 direct/indirect flights
Night Flights (8 PM - 12 AM)
0 direct/indirect flights
Airport Information & Terminals
COS: Colorado Springs airport. Colorado Springs 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.
IAD: Washington DC airport. Washington DC 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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Colorado Springs