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Dulles Intl

$231+ Cheap flights from Flagstaff (FLG) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — IAD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Flagstaff to Dulles Intl

Cheapest flights from Flagstaff to Dulles Intl
Explore the most affordable flight options available from Flagstaff to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:17 pm
FLG
-
IAD
1 stop7h 27m
American Airlines
Wed 8/266:27 am
IAD
-
FLG
1 stop8h 10m
American Airlines
Deal found 1/26$456
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:41 am
FLG
-
IAD
1 stop8h 12m
American Airlines
Sun 4/56:00 am
IAD
-
FLG
1 stop8h 51m
American Airlines
Deal found 1/26$486
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:21 pm
FLG
-
IAD
1 stop8h 07m
American Airlines
Tue 4/147:00 am
IAD
-
FLG
1 stop9h 00m
American Airlines
Deal found 1/24$496
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:30 pm
FLG
-
IAD
1 stop6h 58m
American Airlines
Wed 4/157:00 am
IAD
-
FLG
1 stop9h 00m
American Airlines
Deal found 1/24$546
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:21 pm
FLG
-
IAD
1 stop8h 07m
American Airlines
Wed 4/159:19 am
IAD
-
FLG
2 stops12h 23m
American Airlines
Deal found 1/24$556
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:52 pm
FLG
-
IAD
2 stops9h 57m
American Airlines
Wed 4/153:17 pm
IAD
-
FLG
2 stops10h 40m
American Airlines
Deal found 1/24$561
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:52 pm
FLG
-
IAD
2 stops9h 57m
American Airlines
Tue 4/147:00 am
IAD
-
FLG
1 stop7h 51m
American Airlines
Deal found 1/24$566
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:30 pm
FLG
-
IAD
1 stop6h 58m
American Airlines
Sun 4/127:00 am
IAD
-
FLG
1 stop7h 51m
American Airlines
Deal found 1/24$576
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:52 pm
FLG
-
IAD
2 stops9h 57m
American Airlines
Sun 4/127:00 am
IAD
-
FLG
1 stop9h 00m
American Airlines
Deal found 1/24$586

Find flight deals from Flagstaff to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Flagstaff (FLG) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$486
(American Airlines)

One-way from

$231
(American Airlines)
Provider with most accurate pricing for Flagstaff Pulliam-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Flagstaff Pulliam-Washington, D.C. Dulles Intl flights.
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From Flagstaff Pulliam to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Flagstaff Pulliam to Washington, D.C. Dulles Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Flagstaff to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Flagstaff to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Flagstaff

Fly to

Dulles Intl

Route

Depart

Return

Price

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Fri 4/10

12:21 pm-11:28 pm

1 stop8h 07m

Washington, D.C. Dulles Intl

Sun 4/12

7:00 am-1:00 pm

1 stop9h 00m

$486

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Wed 4/1

11:41 am-10:53 pm

1 stop8h 12m

Washington, D.C. Dulles Intl

Sun 4/5

6:00 am-11:51 am

1 stop8h 51m

$486

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Fri 4/10

1:30 pm-11:28 pm

1 stop6h 58m

Washington, D.C. Dulles Intl

Sat 4/11

7:00 am-1:00 pm

1 stop9h 00m

$546

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Thu 4/9

12:21 pm-11:28 pm

1 stop8h 07m

Washington, D.C. Dulles Intl

Sat 4/11

7:00 am-1:00 pm

1 stop9h 00m

$546

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Wed 4/8

1:30 pm-11:28 pm

1 stop6h 58m

Washington, D.C. Dulles Intl

Sat 4/11

7:00 am-1:00 pm

1 stop9h 00m

$546

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Wed 4/8

1:30 pm-11:28 pm

1 stop6h 58m

Washington, D.C. Dulles Intl

Mon 4/13

7:00 am-1:00 pm

1 stop9h 00m

$556

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Thu 4/9

7:52 pm-8:49 am

2 stops9h 57m

Washington, D.C. Dulles Intl

Mon 4/13

7:00 am-1:00 pm

1 stop9h 00m

$566

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Thu 4/9

7:52 pm-8:49 am

2 stops9h 57m

Washington, D.C. Dulles Intl

Tue 4/14

7:16 am-4:31 pm

2 stops12h 15m

$571

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Sat 4/11

12:21 pm-11:30 pm

1 stop8h 09m

Washington, D.C. Dulles Intl

Mon 4/13

7:00 am-1:00 pm

1 stop9h 00m

$636

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Wed 4/8

7:52 pm-8:49 am

2 stops9h 57m

Washington, D.C. Dulles Intl

Wed 4/15

9:19 am-6:42 pm

2 stops12h 23m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 14 results
1
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  • Most accurate provider: When it comes to deals on Flagstaff-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Flagstaff-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Flagstaff-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Flagstaff-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Flagstaff-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Flagstaff to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Flagstaff with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Flagstaff to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Flagstaff to Washington, D.C. Dulles Intl?

    Located just 4.3 mi from the city center, Flagstaff Pulliam is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Flagstaff. Booking flights from Flagstaff Pulliam (FLG) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.

  • How long is the flight from Flagstaff to Washington, D.C. Dulles Intl Airport?

    Departing from Flagstaff to Washington, D.C. Dulles Intl Airport will take you 8h 07m. The distance between Flagstaff and Washington, D.C. Dulles Intl Airport is about 1893 mi.

  • Can I find deals for flights from Flagstaff to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Flagstaff to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Flagstaff to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Flagstaff to Dulles Intl.

  • Can I find deals for business class flights from Flagstaff to Dulles Intl?

    Yes. Cheapflights offers flight deals from Flagstaff to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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