What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Flagstaff round-trip?

Currently priced at $446, American Airlines will fly you from Washington, D.C. Dulles Intl Airport to Flagstaff and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip.

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

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Flagstaff (average of $548). Flying from Washington, D.C. Dulles Intl Airport to Flagstaff in March is currently the most expensive (average of $660). 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.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Flagstaff?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Flagstaff flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Flagstaff ranges from 0.4 - 2.7 inches per month. August is typically the wettest month, when rainfall can reach 2.7 in. June is typically the driest time to visit Flagstaff when rainfall is around 0.4 in.

If weather is an important factor for your trip to Flagstaff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Flagstaff?

Travelers have found that booking a Thursday departure is the best way to save up to 5% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Flagstaff?

July is one of the best times of the year to fly to Flagstaff from Washington, D.C. Dulles Intl Airport. Prices for July average $693 per person but you can even find prices for as low as $535. The most expensive prices can be found in the month of February. Opting for a July flight can save you 15% on your journey compared to booking in February

What is the cheapest time of day to fly from IAD to FLG?

When flying from Washington, D.C. Dulles Intl Airport to Flagstaff, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Flagstaff from Washington, D.C. Dulles Intl?

If you book a flight to Flagstaff from Washington, D.C. Dulles Intl, you will be flying to Flagstaff Pulliam, which is the city’s only airport. Flagstaff Pulliam (FLG) is located 4.3 mi from the center of Flagstaff. There are 0 flights from Washington, D.C. Dulles Intl to Flagstaff Pulliam per day from 1 airline.

Can I find deals for flights from Dulles Intl to Flagstaff that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Flagstaff flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Flagstaff?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Flagstaff.

Can I find deals for business class flights from Dulles Intl to Flagstaff?

Yes. Cheapflights offers flight deals from Dulles Intl to Flagstaff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$430+ Flights from Washington, D.C. Dulles Intl Airport to Flagstaff

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Cheap flight deals from Dulles Intl to Flagstaff

Round-trip from	$446 (American Airlines)
One-way from	$430 (American Airlines)
Popular in	February
Cheapest in	July
Average price	$535

From Washington, D.C. Dulles Intl to Flagstaff Pulliam

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One-way flight from Washington, D.C. Dulles Intl to Flagstaff Pulliam

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Highest demand for flights based on searches. 9% potential increase in price ($69 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Dulles Intl to Flagstaff

Cheapest flights from Dulles Intl to Flagstaff
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 July 29, 2025.

Sat 8/231:18 pmIAD - FLG

2 stops9h 13mAmerican Airlines

Thu 9/117:00 amFLG - IAD

1 stop6h 50mAmerican Airlines

Deal found 7/28

$446

Best flights from Dulles Intl to Flagstaff
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 July 29, 2025.

Sat 8/231:18 pmIAD - FLG

2 stops9h 13mAmerican Airlines

Thu 9/117:00 amFLG - IAD

1 stop6h 50mAmerican Airlines

Deal found 7/28

$446

Last-minute flights from Dulles Intl to Flagstaff
Discover last-minute flight deals from Dulles Intl to Flagstaff. Data last updated July 29, 2025 and is based on user searches.

Fri 8/810:25 amIAD - FLG

2 stops10h 12mAmerican Airlines

Sat 8/1610:30 amFLG - IAD

2 stops10h 27mAmerican Airlines

Deal found 7/29

$826

Sat 8/231:18 pmIAD - FLG

2 stops9h 13mAmerican Airlines

Thu 9/117:00 amFLG - IAD

1 stop6h 50mAmerican Airlines

Deal found 7/28

$446

One-way flights from Dulles Intl to Flagstaff
Search for one-way flight options from Dulles Intl to Flagstaff. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Tue 9/3011:47 amIAD - FLG

1 stop10h 56mAmerican Airlines

Deal found 7/28

$430

Tue 8/57:59 pmIAD - FLG

3 stops24h 38mAlaska Airlines

Deal found 7/28

$1,011

Cheapflights Fare Finder

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

Price

Washington, D.C.Flagstaff

IAD - FLG

IADFLG

Washington, D.C. Dulles Intl

Sat 8/23

1:18 pm-7:31 pm

2 stops9h 13m

Flagstaff Pulliam

Thu 9/11

7:00 am-4:50 pm

1 stop6h 50m

$446

Washington, D.C.Flagstaff

IAD - FLG

IADFLG

Washington, D.C. Dulles Intl

Tue 9/30

11:47 am-7:43 pm

1 stop10h 56m

$430

Washington, D.C.Flagstaff

IAD - FLG

IADFLG

Washington, D.C. Dulles Intl

Tue 8/5

7:59 pm-5:37 pm

3 stops24h 38m

$1,011

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

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

See what other customers who have flown with Alaska Airlines and 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.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

What airport do you fly into for flights to Flagstaff from Washington, D.C. Dulles Intl?
If you book a flight to Flagstaff from Washington, D.C. Dulles Intl, you will be flying to Flagstaff Pulliam, which is the city’s only airport. Flagstaff Pulliam (FLG) is located 4.3 mi from the center of Flagstaff. There are 0 flights from Washington, D.C. Dulles Intl to Flagstaff Pulliam per day from 1 airline.
What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Flagstaff round-trip?
Currently priced at $446, American Airlines will fly you from Washington, D.C. Dulles Intl Airport to Flagstaff and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip.
Can I find deals for flights from Dulles Intl to Flagstaff that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Flagstaff flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Flagstaff?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Flagstaff.
Can I find deals for business class flights from Dulles Intl to Flagstaff?
Yes. Cheapflights offers flight deals from Dulles Intl to Flagstaff 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 Washington, D.C. Dulles Intl Airport to Flagstaff?
Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Flagstaff (average of $548). Flying from Washington, D.C. Dulles Intl Airport to Flagstaff in March is currently the most expensive (average of $660). 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.

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Top airline flying from Dulles Intl to Flagstaff

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$515	Average$753	FlexibilityNo cancel fee	On-time71%

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$430+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Flagstaff with Cheapflights

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Cheap flight deals from Dulles Intl to Flagstaff

Round-trip from

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Find flight deals from Dulles Intl to Flagstaff

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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Flagstaff that are best for you.

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.

Reviews of airlines servicing Flagstaff

See what other customers who have flown with Alaska Airlines and 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.

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.

What airport do you fly into for flights to Flagstaff from Washington, D.C. Dulles Intl?

What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Flagstaff round-trip?

Can I find deals for flights from Dulles Intl to Flagstaff that include hotel bookings?

How can I find direct flights from Dulles Intl to Flagstaff?

Can I find deals for business class flights from Dulles Intl to Flagstaff?

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

Traveling to a place near Flagstaff?

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Alternative routes for Dulles Intl to Flagstaff

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Top airline flying from Dulles Intl to Flagstaff

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Cheapest flights from Dulles Intl to Flagstaff
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 July 29, 2025.