$339+ Cheap flights from Dulles Intl (IAD) to Flagstaff (FLG)
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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FLG
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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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
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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 August 11, 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 August 11, 2026.
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 9/56:09 am -
1 stop8h 45m
Sat 9/199:50 am -
1 stop7h 34m
Deal found 8/6![American Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 9/56:09 am -
1 stop8h 45m
Sat 9/129:50 am -
1 stop7h 34m
Deal found 8/10![American Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 10/246:42 am -
1 stop8h 23m
Sun 11/18:00 am -
1 stop8h 19m
Deal found 8/10![American Airlines logo]()
$561
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 10/26:52 am -
1 stop8h 01m
Fri 10/167:15 am -
1 stop8h 08m
Deal found 8/10![American Airlines logo]()
$608
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 10/186:42 am -
1 stop8h 23m
Sat 10/247:15 am -
1 stop8h 08m
Deal found 8/7![American Airlines logo]()
$611
This American Airlines deal was found by Cheapflights users on 8/9. 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 8/296:09 am -
1 stop8h 45m
Wed 9/27:00 am -
2 stops8h 27m
Deal found 8/9![American Airlines logo]()
$615
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 10/16:52 am -
1 stop8h 01m
Wed 10/712:45 pm -
1 stop7h 38m
Deal found 8/8![American Airlines logo]()
$618
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 8/156:09 am -
1 stop8h 45m
Sun 8/1612:35 pm -
1 stop7h 17m
Deal found 8/6![American Airlines logo]()
$620
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 August 11, 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 August 11, 2026.
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 9/56:09 am -
1 stop8h 45m
Sat 9/199:50 am -
1 stop7h 34m
Deal found 8/6![American Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 8/9. 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 8/157:57 am -
2 stops13h 23m
Sun 8/1612:35 pm -
1 stop7h 17m
Deal found 8/9![American Airlines logo]()
$657
This American Airlines deal was found by Cheapflights users on 8/9. 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 10/16:52 am -
1 stop8h 01m
Sat 10/310:40 am -
2 stops7h 50m
Deal found 8/9![American Airlines logo]()
$687
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 10/16:52 am -
1 stop8h 01m
Wed 10/711:52 am -
2 stops9h 06m
Deal found 8/8![American Airlines logo]()
$687
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 10/245:01 am -
2 stops9h 15m
Sun 11/17:05 pm -
2 stops13h 06m
Deal found 8/10![American Airlines logo]()
$692
This American Airlines deal was found by Cheapflights users on 8/8. 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 9/114:56 pm -
1 stop19h 18m
Mon 9/145:14 pm -
2 stops18h 04m
Deal found 8/8![American Airlines logo]()
$733
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Fri 8/1410:27 am -
2 stops10h 53m
Mon 8/1710:30 am -
2 stops9h 25m
Deal found 8/6![American Airlines logo]()
$737
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 9/36:09 am -
1 stop8h 45m
Tue 9/810:30 am -
2 stops9h 25m
Deal found 8/8![American Airlines logo]()
$770
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 9/246:52 am -
1 stop8h 01m
Sun 9/2710:40 am -
2 stops10h 08m
Deal found 8/8![American Airlines logo]()
$794
Last-minute flights from Dulles Intl to FlagstaffDiscover last-minute flight deals from Dulles Intl to Flagstaff. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Flagstaff. Data last updated August 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/9. 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 8/136:09 am -
1 stop8h 45m
Sun 8/1612:35 pm -
1 stop7h 17m
Deal found 8/9![American Airlines logo]()
$662
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 8/156:09 am -
1 stop8h 45m
Sun 8/1612:35 pm -
1 stop7h 17m
Deal found 8/6![American Airlines logo]()
$620
This American Airlines deal was found by Cheapflights users on 8/7. 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 8/266:09 am -
1 stop8h 45m
Fri 9/411:42 am -
2 stops8h 13m
Deal found 8/7![American Airlines logo]()
$660
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 8/296:09 am -
1 stop8h 45m
Wed 9/27:00 am -
2 stops8h 27m
Deal found 8/10![American Airlines logo]()
$615
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 9/56:09 am -
1 stop8h 45m
Sat 9/199:50 am -
1 stop7h 34m
Deal found 8/6![American Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 9/56:09 am -
1 stop8h 45m
Sat 9/129:50 am -
1 stop7h 34m
Deal found 8/10![American Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/156:52 am -
2 stops16h 15m
Mon 9/215:14 pm -
2 stops18h 04m
Deal found 8/10![American Airlines logo]()
$658
This American Airlines deal was found by Cheapflights users on 8/6. 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 9/166:52 am -
1 stop8h 01m
Sun 9/206:14 pm -
2 stops12h 41m
Deal found 8/6![American Airlines logo]()
$628
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 August 11, 2026.
Search for one-way flight options from Dulles Intl to Flagstaff. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This American Airlines deal was found by Cheapflights users on 8/6. 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 9/294:56 pm -
1 stop21h 57m
Deal found 8/6![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 9/56:09 am -
1 stop8h 45m
Deal found 8/10![American Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 8/206:09 am -
1 stop8h 45m
Deal found 8/8![American Airlines logo]()
$469
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 August 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $514 (American Airlines) |
One-way from | $339 (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 2,558,603 searches. Data last updated August 11, 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
Sat 9/5
6:09 am-11:54 am
1 stop8h 45m
Flagstaff Pulliam
Sat 9/19
9:50 am-8:24 pm
1 stop7h 34m
$514
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Sat 8/15
7:57 am-6:20 pm
2 stops13h 23m
Flagstaff Pulliam
Sun 8/16
12:35 pm-10:52 pm
1 stop7h 17m
$657
Quickest round-trip
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Thu 10/1
6:52 am-11:53 am
1 stop8h 01m
Flagstaff Pulliam
Sat 10/3
10:40 am-9:30 pm
2 stops7h 50m
$687
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Thu 10/1
6:52 am-11:53 am
1 stop8h 01m
Flagstaff Pulliam
Wed 10/7
11:52 am-11:58 pm
2 stops9h 06m
$687
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Sat 10/24
5:01 am-11:16 am
2 stops9h 15m
Flagstaff Pulliam
Sun 11/1
7:05 pm-10:11 am
2 stops13h 06m
$692
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Fri 9/11
4:56 pm-9:14 am
1 stop19h 18m
Flagstaff Pulliam
Mon 9/14
5:14 pm-2:18 pm
2 stops18h 04m
$733
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Fri 8/14
10:27 am-6:20 pm
2 stops10h 53m
Flagstaff Pulliam
Mon 8/17
10:30 am-10:55 pm
2 stops9h 25m
$737
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Thu 9/3
6:09 am-11:54 am
1 stop8h 45m
Flagstaff Pulliam
Tue 9/8
10:30 am-10:55 pm
2 stops9h 25m
$770
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Thu 9/24
6:52 am-11:53 am
1 stop8h 01m
Flagstaff Pulliam
Sun 9/27
10:40 am-11:48 pm
2 stops10h 08m
$794
Cheapest one-way
Washington, D.C.Flagstaff
IAD Washington, D.C. Dulles Intl - FLG Flagstaff Pulliam
IADFLG
Washington, D.C. Dulles Intl
Tue 9/29
4:56 pm-11:53 am
1 stop21h 57m
$339
Showing 1-10 of 14 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 August.
| 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 August 11, 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.
Boarding
7.5
Crew
7.9
Entertainment
6.8
Overall
7.1
Food
6.4
Comfort
7.2
Reviews
1 / 20
6.0
GoodKristin,Jul 2026
DCA - PHX
Boarding
7.5
Crew
7.9
Entertainment
6.8
Overall
7.1
Food
6.4
Comfort
7.2
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 locationsWinslow
Williams
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Dulles Intl and Flagstaff flights
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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 August 11, 2026.
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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 2,558,603 searches. Data last updated August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$377 | Average$585 | FlexibilityNo cancel fee | On-time71% |