$388+ Cheap flights from Dulles Intl (IAD) to Flagstaff (FLG)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FLG
Oct 10 — Oct 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Dulles Intl to Flagstaff 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 Dulles Intl to Flagstaff
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dulles Intl to FlagstaffExplore the most affordable flight options available from Dulles Intl to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Dulles Intl to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. 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 11/77:18 am -
1 stop7h 32m
Sat 11/141:22 pm -
1 stop8h 08m
Deal found 9/8![American Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 9/5. 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 11/77:18 am -
1 stop7h 32m
Wed 11/111:22 pm -
1 stop8h 08m
Deal found 9/5![American Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 9/6. 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 11/187:14 am -
1 stop7h 36m
Mon 11/231:27 pm -
1 stop7h 42m
Deal found 9/6![American Airlines logo]()
$561
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/156:42 am -
1 stop8h 23m
Tue 10/2012:45 pm -
1 stop7h 38m
Deal found 9/5![American Airlines logo]()
$588
This American Airlines deal was found by Cheapflights users on 9/10. 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 12/37:14 am -
1 stop7h 36m
Sun 12/61:22 pm -
1 stop8h 07m
Deal found 9/10![American Airlines logo]()
$608
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/1312:28 pm -
2 stops11h 11m
Mon 10/1912:45 pm -
1 stop7h 38m
Deal found 9/8![American Airlines logo]()
$630
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/166:52 am -
2 stops12h 49m
Sat 9/2610:40 am -
2 stops7h 50m
Deal found 9/9![American Airlines logo]()
$647
This American Airlines deal was found by Cheapflights users on 9/5. 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 11/277:08 am -
1 stop7h 49m
Mon 11/301:27 pm -
1 stop7h 52m
Deal found 9/5![American Airlines logo]()
$648
This American Airlines deal was found by Cheapflights users on 9/6. 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 11/197:08 am -
1 stop9h 14m
Wed 11/251:27 pm -
1 stop7h 42m
Deal found 9/6![American Airlines logo]()
$661
Best flights from Dulles Intl to FlagstaffDiscover carefully curated flight deals from Dulles Intl to Flagstaff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Dulles Intl to Flagstaff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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 2/177:14 am -
1 stop7h 38m
Wed 2/241:22 pm -
1 stop8h 01m
Deal found 9/6![American Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 9/9. 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 12/27:14 am -
1 stop7h 36m
Sat 12/51:22 pm -
1 stop8h 07m
Deal found 9/9![American Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 9/5. 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 11/77:18 am -
1 stop7h 32m
Wed 11/1112:41 pm -
2 stops8h 49m
Deal found 9/5![American Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/156:42 am -
1 stop8h 23m
Tue 10/2012:45 pm -
1 stop7h 38m
Deal found 9/5![American Airlines logo]()
$588
This American Airlines deal was found by Cheapflights users on 9/8. 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 2/197:14 am -
1 stop7h 38m
Mon 2/221:22 pm -
1 stop8h 01m
Deal found 9/8![American Airlines logo]()
$608
This American Airlines deal was found by Cheapflights users on 9/10. 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 12/37:14 am -
1 stop7h 36m
Sun 12/61:22 pm -
1 stop8h 07m
Deal found 9/10![American Airlines logo]()
$608
Last-minute flights from Dulles Intl to FlagstaffDiscover last-minute flight deals from Dulles Intl to Flagstaff. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Flagstaff. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/166:52 am -
2 stops12h 49m
Sat 9/2610:40 am -
2 stops7h 50m
Deal found 9/9![American Airlines logo]()
$647
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/27:57 am -
2 stops10h 03m
Fri 10/167:15 am -
1 stop8h 08m
Deal found 9/5![American Airlines logo]()
$675
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/66:42 am -
1 stop8h 23m
Tue 10/1312:45 pm -
1 stop7h 38m
Deal found 9/6![American Airlines logo]()
$719
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/76:42 am -
1 stop8h 23m
Sun 10/116:20 pm -
2 stops11h 24m
Deal found 9/7![American Airlines logo]()
$747
This American Airlines deal was found by Cheapflights users on 9/8. 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 10/1312:28 pm -
2 stops11h 11m
Mon 10/1912:45 pm -
1 stop7h 38m
Deal found 9/8![American Airlines logo]()
$630
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/156:42 am -
1 stop8h 23m
Tue 10/2012:45 pm -
1 stop7h 38m
Deal found 9/5![American Airlines logo]()
$588
One-way flights from Dulles Intl to FlagstaffSearch for one-way flight options from Dulles Intl to Flagstaff. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Dulles Intl to Flagstaff. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/296:52 am -
2 stops16h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/136:42 am -
2 stops16h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 9/276:52 am -
1 stop8h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/75:01 am -
2 stops9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/13:08 pm -
2 stops9h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$519
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/36:52 am -
1 stop8h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$533
Find flight deals from Dulles Intl to Flagstaff
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Flagstaff (FLG). 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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $514 (American Airlines) |
One-way from | $388 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Flagstaff 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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Flagstaff that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Tue 9/29
6:52 am-8:07 pm
2 stops16h 15m
Flagstaff Pulliam
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$388
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Tue 10/13
6:42 am-8:39 pm
2 stops16h 57m
Flagstaff Pulliam
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$400
Quickest round-trip
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Sat 9/26
6:52 am-11:53 am
1 stop8h 01m
Flagstaff Pulliam
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$445
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Wed 11/4
10:44 am-6:35 pm
2 stops9h 51m
Flagstaff Pulliam
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$451
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Fri 10/2
6:52 am-3:00 pm
2 stops11h 08m
Flagstaff Pulliam
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$475
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Wed 2/17
7:14 am-12:52 pm
1 stop7h 38m
Flagstaff Pulliam
Wed 2/24
1:22 pm-11:23 pm
1 stop8h 01m
$514
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Wed 12/2
7:14 am-12:50 pm
1 stop7h 36m
Flagstaff Pulliam
Sat 12/5
1:22 pm-11:29 pm
1 stop8h 07m
$514
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Thu 10/1
3:08 pm-9:28 pm
2 stops9h 20m
Flagstaff Pulliam
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$519
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Sat 11/7
7:18 am-12:50 pm
1 stop7h 32m
Flagstaff Pulliam
Wed 11/11
12:41 pm-11:30 pm
2 stops8h 49m
$583
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Thu 10/15
6:42 am-12:05 pm
1 stop8h 23m
Flagstaff Pulliam
Tue 10/20
12:45 pm-11:23 pm
1 stop7h 38m
$588
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to Flagstaff
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Flagstaff in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Flagstaff flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Flagstaff flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Flagstaff flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Flagstaff 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 Washington, D.C. Dulles Intl Airport-Flagstaff 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 Dulles Intl to Flagstaff
Have a flexible travel schedule? Discover the best time to fly to Flagstaff from Dulles Intl with our price prediction graph.
IAD-FLG
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.
Reviews of airlines servicing Flagstaff
Get insights into the airlines that provide service to Flagstaff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Flagstaff. Reviews last updated September 10, 2026.
See what other customers who have flown with American Airlines from Washington, D.C. Dulles Intl Airport to Flagstaff have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.2
Overall
7.1
Boarding
7.5
Food
6.4
Entertainment
6.8
Crew
7.9
Reviews
1 / 20
6.0
GoodKristin,Jul 2026
DCA - PHX
Comfort
7.2
Overall
7.1
Boarding
7.5
Food
6.4
Entertainment
6.8
Crew
7.9
Reviews
1 / 20
6.0
GoodKristin,Jul 2026
DCA - PHX
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Flagstaff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Flagstaff?
Book flights to Flagstaff if you plan to visit one of these locationsWilliams
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Dulles Intl
Popular flights
Alternative routes for Dulles Intl to Flagstaff
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Flagstaff by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Dulles Intl to Flagstaff by cabin class
Find flights from Dulles Intl to Flagstaff, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Dulles Intl and Flagstaff flights
Browse other Dulles Intl and Flagstaff flight options. Last updated on September 10, 2026.
Other flights from Dulles Intl
Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Dulles Intl to Flagstaff
Discover the top airline that operate flights from Dulles Intl to Flagstaff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$377 | Average$700 | FlexibilityNo cancel fee | On-time71% |