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Dulles Intl

$241+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — IAD
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/1. 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 12/3010:19 amFLG - IAD
2 stops10h 14mAmerican Airlines
Tue 1/66:00 amIAD - FLG
1 stop8h 48mAmerican Airlines
Deal found 12/1$661
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/51:37 pmFLG - IAD
1 stop7h 22mAmerican Airlines
Wed 12/106:00 amIAD - FLG
1 stop7h 54mAmerican Airlines
Deal found 12/3$691
This American Airlines deal was found by Cheapflights users on 12/2. 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 12/511:20 amFLG - IAD
2 stops9h 48mAmerican Airlines
Sun 12/76:00 amIAD - FLG
1 stop7h 47mAmerican Airlines
Deal found 12/2$726

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 December 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$466
(American Airlines)

One-way from

$241
(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
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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 December 4, 2025.
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

Mon 3/2

12:36 pm-10:48 pm

1 stop8h 12m

Washington, D.C. Dulles Intl

Fri 3/6

6:00 am-12:06 pm

1 stop8h 06m

$536

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Wed 1/28

7:24 am-11:12 pm

2 stops13h 48m

Washington, D.C. Dulles Intl

Sat 1/31

7:01 am-5:31 pm

2 stops12h 30m

$561

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Tue 12/30

10:19 am-10:33 pm

2 stops10h 14m

Washington, D.C. Dulles Intl

Tue 1/6

6:00 am-12:48 pm

1 stop8h 48m

$661

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Tue 6/2

7:03 am-10:27 pm

1 stop12h 24m

Washington, D.C. Dulles Intl

Wed 6/3

11:40 am-9:28 pm

1 stop12h 48m

$701

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Thu 3/26

11:41 am-10:53 pm

1 stop8h 12m

Washington, D.C. Dulles Intl

Sun 3/29

6:33 am-4:19 pm

2 stops12h 46m

$761

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Fri 1/16

7:24 am-11:12 pm

2 stops13h 48m

$241

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Sun 1/18

7:24 am-11:12 pm

2 stops13h 48m

$291

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Sat 1/17

7:24 am-9:17 pm

2 stops11h 53m

$291

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Thu 4/2

11:41 am-10:53 pm

1 stop8h 12m

$401

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Wed 12/31

7:39 am-9:50 pm

2 stops12h 11m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 12 results
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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 12m. 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
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton
Upper Marlboro

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