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Dulles Intl

$271+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — IAD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$506
(American Airlines)

One-way from

$271
(American Airlines)
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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Find 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 September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 11/101:37 pmFLG - IAD
1 stop6h 56mAmerican Airlines
Thu 11/136:04 amIAD - FLG
1 stop7h 46mAmerican Airlines
Deal found 9/14$506
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/111:20 amFLG - IAD
1 stop7h 11mAmerican Airlines
Mon 11/36:04 amIAD - FLG
1 stop8h 16mAmerican Airlines
Deal found 9/16$516
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/148:00 amFLG - IAD
2 stops22h 55mAmerican Airlines
Fri 10/178:25 pmIAD - FLG
2 stops16h 21mAmerican Airlines
Deal found 9/17$743
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/137:00 amFLG - IAD
1 stop7h 04mAmerican Airlines
Fri 10/176:45 amIAD - FLG
1 stop7h 04mAmerican Airlines
Deal found 9/16$1,066

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 September 17, 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 11/10

1:37 pm-10:33 pm

1 stop6h 56m

Washington, D.C. Dulles Intl

Thu 11/13

6:04 am-11:50 am

1 stop7h 46m

$506

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Sat 11/1

11:20 am-9:31 pm

1 stop7h 11m

Washington, D.C. Dulles Intl

Mon 11/3

6:04 am-12:20 pm

1 stop8h 16m

$516

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Tue 10/14

8:00 am-9:55 am

2 stops22h 55m

Washington, D.C. Dulles Intl

Fri 10/17

8:25 pm-9:46 am

2 stops16h 21m

$743

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Mon 10/13

7:00 am-5:04 pm

1 stop7h 04m

Washington, D.C. Dulles Intl

Fri 10/17

6:45 am-10:49 am

1 stop7h 04m

$1,066

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Wed 10/15

8:00 am-10:51 pm

2 stops11h 51m

$271

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Sun 10/19

8:00 am-7:45 pm

2 stops8h 45m

$491

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Wed 10/15

1:20 pm-5:50 pm

3 stops49h 30m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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 6h 56m. 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.

  • What is the cheapest month to book a flight from Flagstaff to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Flagstaff to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Flagstaff to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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