HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$251+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — IAD
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Flagstaff to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 19, 2025.

Round-trip from

$572
(American Airlines)

One-way from

$251
(American Airlines)
From Flagstaff Pulliam to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Flagstaff Pulliam to Washington, D.C. Dulles Intl
Search Deals

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 August 19, 2025.

This American Airlines deal was found by Cheapflights users on 8/18. 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 9/2311:55 amFLG - IAD
2 stops20h 02mAmerican Airlines
Fri 9/265:40 pmIAD - FLG
2 stops19h 18mAmerican Airlines
Deal found 8/18$572

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 August 19, 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

Tue 9/23

11:55 am-10:57 am

2 stops20h 02m

Washington, D.C. Dulles Intl

Fri 9/26

5:40 pm-9:58 am

2 stops19h 18m

$572

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Fri 11/21

1:00 pm-10:32 pm

1 stop7h 32m

$251

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Wed 9/3

7:00 am-4:50 pm

1 stop6h 50m

$251

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Wed 8/27

10:30 am-10:56 pm

2 stops9h 26m

$311

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Sun 8/31

7:00 am-5:14 pm

1 stop7h 14m

$351

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Fri 9/19

10:38 am-10:45 pm

2 stops9h 07m

$401

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Tue 9/2

10:30 am-11:02 pm

2 stops9h 32m

$431

FlagstaffWashington, D.C.

FLG - IAD

FLGIAD

Flagstaff Pulliam

Mon 9/1

8:15 am-7:39 pm

2 stops8h 24m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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 20h 02m. 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, July is the cheapest month in which you can book a flight from Flagstaff to Washington, D.C. Dulles Intl Airport (average of $302). 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
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.