How long is the flight from State of Washington to Flagstaff?

A quick flight from State of Washington to Flagstaff can take about 5h 30m. American Airlines provides one of the quickest options available for as low as $356. The distance between State of Washington and Flagstaff is about 913 mi.

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 are the most popular routes from State of Washington to Flagstaff?

While some choose either Portland - Flagstaff Pulliam or Spokane - Flagstaff Pulliam, Seattle/Tacoma Intl - Flagstaff Pulliam is the most popular route from State of Washington to Flagstaff.

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

When flying from State of Washington 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?

Located just 4.3 mi from the city center, Flagstaff Pulliam (FLG) is the airport most travelers will use when flying to Flagstaff from Washington.

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

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

How can I find direct flights from Washington to Flagstaff?

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

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

Yes. Cheapflights offers flight deals from Washington 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.

$250+ Flights from Washington to Flagstaff

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington 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 Washington to Flagstaff

Cheapest flights from Washington to Flagstaff
Explore the most affordable flight options available from Washington to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Tue 12/235:15 amPDX - FLG

1 stop17h 37mAmerican Airlines

Fri 12/267:39 amFLG - PDX

1 stop7h 10mAmerican Airlines

Deal found 12/16

$804

Fri 12/196:31 amSEA - FLG

1 stop5h 09mAmerican Airlines

Thu 12/2510:19 amFLG - SEA

1 stop8h 07mAmerican Airlines

Deal found 12/16

$851

Sun 12/213:45 pmSEA - FLG

1 stop7h 07mAlaska Airlines

Tue 12/239:43 amFLG - SEA

1 stop6h 38mAlaska Airlines

Deal found 12/17

$2,286

Sun 12/282:50 pmPDX - FLG

2 stops8h 02mAlaska Airlines

Wed 12/3110:19 amFLG - PDX

1 stop7h 28mAlaska Airlines

Deal found 12/17

$2,296

Fri 12/195:05 pmSEA - FLG

1 stop5h 47mAlaska Airlines

Wed 12/247:04 amFLG - SEA

1 stop7h 45mAlaska Airlines

Deal found 12/17

$3,564

Best flights from Washington to Flagstaff
Discover carefully curated flight deals from Washington to Flagstaff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Wed 3/116:00 amGEG - FLG

1 stop5h 30mAmerican Airlines

Wed 3/256:00 amFLG - GEG

1 stop7h 48mAmerican Airlines

Deal found 12/16

$356

Mon 2/910:00 amSEA - FLG

1 stop6h 31mAmerican Airlines

Sat 2/147:21 amFLG - SEA

1 stop7h 28mAmerican Airlines

Deal found 12/16

$406

Wed 3/116:22 pmSEA - FLG

1 stop4h 45mAmerican Airlines

Tue 3/246:00 amFLG - SEA

1 stop7h 47mAmerican Airlines

Deal found 12/16

$406

Sun 2/812:02 pmPDX - FLG

1 stop4h 29mAmerican Airlines

Thu 2/127:21 amFLG - PDX

1 stop7h 57mAmerican Airlines

Deal found 12/17

$406

Wed 2/45:14 amPDX - FLG

1 stop5h 54mAmerican Airlines

Thu 2/127:21 amFLG - PDX

1 stop7h 57mAmerican Airlines

Deal found 12/17

$426

Fri 2/612:02 pmPDX - FLG

1 stop4h 29mAmerican Airlines

Thu 2/127:21 amFLG - PDX

1 stop7h 57mAmerican Airlines

Deal found 12/17

$426

Wed 1/711:25 amSEA - FLG

1 stop5h 06mAmerican Airlines

Wed 1/147:24 amFLG - SEA

1 stop7h 38mAmerican Airlines

Deal found 12/17

$436

Thu 2/56:00 pmSEA - FLG

1 stop4h 44mAmerican Airlines

Sun 2/812:38 pmFLG - SEA

1 stop5h 48mAmerican Airlines

Deal found 12/16

$456

Wed 2/45:14 amPDX - FLG

1 stop5h 54mAmerican Airlines

Fri 2/67:24 amFLG - PDX

1 stop7h 17mAmerican Airlines

Deal found 12/17

$456

Tue 1/66:00 amSEA - FLG

2 stops10h 31mAmerican Airlines

Fri 1/97:24 amFLG - SEA

1 stop7h 25mAmerican Airlines

Deal found 12/16

$464

Thu 2/512:02 pmPDX - FLG

1 stop4h 29mAmerican Airlines

Thu 2/127:21 amFLG - PDX

1 stop7h 57mAmerican Airlines

Deal found 12/17

$471

Tue 2/35:25 amPDX - FLG

1 stop5h 43mAmerican Airlines

Tue 2/107:24 amFLG - PDX

1 stop7h 17mAmerican Airlines

Deal found 12/17

$501

Wed 2/45:14 amPDX - FLG

1 stop5h 54mAmerican Airlines

Mon 2/97:24 amFLG - PDX

1 stop7h 17mAmerican Airlines

Deal found 12/17

$521

Fri 2/135:40 amGEG - FLG

2 stops10h 19mAlaska Airlines

Tue 2/177:21 amFLG - GEG

2 stops10h 42mAlaska Airlines

Deal found 12/17

$3,021

Wed 2/45:14 amPDX - FLG

1 stop5h 54mAmerican Airlines

Sun 2/87:24 amFLG - PDX

1 stop7h 17mAmerican Airlines

Deal found 12/17

$521

Fri 2/612:02 pmPDX - FLG

1 stop4h 29mAmerican Airlines

Mon 2/97:24 amFLG - PDX

1 stop7h 17mAmerican Airlines

Deal found 12/17

$521

Thu 2/512:02 pmPDX - FLG

1 stop4h 29mAmerican Airlines

Sat 2/77:24 amFLG - PDX

1 stop7h 17mAmerican Airlines

Deal found 12/17

$521

Mon 2/26:22 pmPDX - FLG

2 stops22h 09mAmerican Airlines

Sat 2/77:24 amFLG - PDX

1 stop7h 17mAmerican Airlines

Deal found 12/17

$549

Mon 2/26:22 pmPDX - FLG

2 stops16h 46mAmerican Airlines

Fri 2/67:24 amFLG - PDX

1 stop7h 17mAmerican Airlines

Deal found 12/17

$549

Wed 3/111:23 pmGEG - FLG

2 stops9h 44mAlaska Airlines

Wed 3/2512:01 pmFLG - GEG

2 stops8h 51mAlaska Airlines

Deal found 12/16

$3,021

Thu 5/283:51 pmGEG - FLG

1 stop5h 23mAmerican Airlines

Tue 6/27:03 amFLG - GEG

1 stop15h 19mAmerican Airlines

Deal found 12/15

$698

Thu 1/12:53 pmGEG - FLG

2 stops7h 59mAlaska Airlines

Mon 1/51:10 pmFLG - GEG

2 stops11h 00mAlaska Airlines

Deal found 12/17

$3,349

Fri 1/166:00 pmSEA - FLG

1 stop4h 44mAmerican Airlines

Mon 1/196:05 pmFLG - SEA

1 stop16h 25mAmerican Airlines

Deal found 12/16

$730

Fri 2/136:15 amGEG - FLG

1 stop5h 31mAmerican Airlines

Tue 2/175:30 pmFLG - GEG

1 stop17h 56mAmerican Airlines

Deal found 12/17

$761

Fri 2/203:40 pmSEA - FLG

2 stops7h 18mAmerican Airlines

Tue 2/247:21 amFLG - SEA

1 stop7h 28mAmerican Airlines

Deal found 12/17

$1,595

Last-minute flights from Washington to Flagstaff
Discover last-minute flight deals from Washington to Flagstaff. Data last updated December 18, 2025 and is based on user searches.

Fri 12/196:31 amSEA - FLG

1 stop5h 09mAmerican Airlines

Thu 12/2510:19 amFLG - SEA

1 stop8h 07mAmerican Airlines

Deal found 12/16

$851

Sun 12/216:30 amGEG - FLG

1 stop5h 10mAmerican Airlines

Tue 12/239:43 amFLG - GEG

1 stop4h 53mAmerican Airlines

Deal found 12/15

$591

Tue 12/235:15 amPDX - FLG

1 stop17h 37mAmerican Airlines

Fri 12/267:39 amFLG - PDX

1 stop7h 10mAmerican Airlines

Deal found 12/16

$804

Sun 12/282:50 pmPDX - FLG

2 stops8h 02mAlaska Airlines

Wed 12/3110:19 amFLG - PDX

2 stops11h 31mAlaska Airlines

Deal found 12/17

$2,301

Thu 1/12:53 pmGEG - FLG

2 stops7h 59mAlaska Airlines

Mon 1/51:10 pmFLG - GEG

2 stops11h 00mAlaska Airlines

Deal found 12/17

$3,349

Mon 1/58:35 amPDX - FLG

1 stop6h 00mAmerican Airlines

Wed 1/77:24 amFLG - PDX

1 stop7h 17mAmerican Airlines

Deal found 12/17

$336

Tue 1/611:25 amSEA - FLG

1 stop5h 06mAmerican Airlines

Fri 1/97:24 amFLG - SEA

1 stop7h 25mAmerican Airlines

Deal found 12/16

$356

Tue 1/67:15 amPDX - FLG

2 stops9h 16mAlaska Airlines

Wed 1/77:24 amFLG - PDX

1 stop7h 24mAlaska Airlines

Deal found 12/17

$2,296

Wed 1/711:25 amSEA - FLG

1 stop5h 06mAmerican Airlines

Wed 1/147:24 amFLG - SEA

1 stop7h 38mAmerican Airlines

Deal found 12/17

$436

Fri 1/166:00 pmSEA - FLG

1 stop4h 44mAmerican Airlines

Mon 1/196:05 pmFLG - SEA

1 stop16h 25mAmerican Airlines

Deal found 12/16

$730

Sat 1/3110:00 amSEA - FLG

1 stop6h 31mAmerican Airlines

Sun 2/87:24 amFLG - SEA

1 stop7h 25mAmerican Airlines

Deal found 12/18

$456

One-way flights from Washington to Flagstaff
Search for one-way flight options from Washington to Flagstaff. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Mon 1/1211:25 amSEA - FLG

1 stop5h 06mAmerican Airlines

Deal found 12/16

$250

Sun 1/116:00 pmSEA - FLG

1 stop4h 44mAmerican Airlines

Deal found 12/16

$260

Sun 4/123:28 pmSEA - FLG

1 stop7h 04mAmerican Airlines

Deal found 12/18

$280

Mon 12/226:30 amGEG - FLG

1 stop5h 10mAmerican Airlines

Deal found 12/15

$300

Thu 12/256:30 amSEA - FLG

1 stop5h 10mAmerican Airlines

Deal found 12/18

$340

Mon 12/295:56 pmSEA - FLG

1 stop4h 56mAmerican Airlines

Deal found 12/18

$460

Tue 12/236:30 amGEG - FLG

1 stop5h 10mAmerican Airlines

Deal found 12/15

$485

Thu 2/265:59 pmSEA - FLG

2 stops17h 47mAlaska Airlines

Deal found 12/17

$530

Sun 12/286:30 amSEA - FLG

1 stop5h 10mAmerican Airlines

Deal found 12/18

$535

Fri 12/266:02 pmSEA - FLG

2 stops14h 47mAmerican Airlines

Deal found 12/18

$569

Sat 12/275:56 pmSEA - FLG

1 stop4h 56mAmerican Airlines

Deal found 12/18

$585

Sat 1/317:30 amGEG - FLG

2 stops9h 01mAlaska Airlines

Deal found 12/17

$1,511

Find flight deals from Washington to Flagstaff

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$336 (American Airlines)
One-way from	$250 (American Airlines)
Popular in	February
Cheapest in	August
Average price	$674

Provider with most accurate pricing for Seattle/Tacoma Intl-Flagstaff Pulliam flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Flagstaff Pulliam flights.

Search Deals

From Washington to Flagstaff Pulliam

Search Deals

One-way flight from Washington to Flagstaff Pulliam

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($72 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Flagstaff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneFlagstaff

GEG - FLG

GEGFLG

Spokane

Wed 3/11

6:00 am-11:30 am

1 stop5h 30m

Flagstaff Pulliam

Wed 3/25

6:00 am-1:48 pm

1 stop7h 48m

$356

SeattleFlagstaff

SEA - FLG

SEAFLG

Seattle/Tacoma Intl

Mon 2/9

10:00 am-5:31 pm

1 stop6h 31m

Flagstaff Pulliam

Sat 2/14

7:21 am-1:49 pm

1 stop7h 28m

$406

SeattleFlagstaff

SEA - FLG

SEAFLG

Seattle/Tacoma Intl

Wed 3/11

6:22 pm-11:07 pm

1 stop4h 45m

Flagstaff Pulliam

Tue 3/24

6:00 am-1:47 pm

1 stop7h 47m

$406

PortlandFlagstaff

PDX - FLG

PDXFLG

Portland

Sun 2/8

12:02 pm-5:31 pm

1 stop4h 29m

Flagstaff Pulliam

Thu 2/12

7:21 am-2:18 pm

1 stop7h 57m

$406

PortlandFlagstaff

PDX - FLG

PDXFLG

Portland

Wed 2/4

5:14 am-12:08 pm

1 stop5h 54m

Flagstaff Pulliam

Thu 2/12

7:21 am-2:18 pm

1 stop7h 57m

$426

PortlandFlagstaff

PDX - FLG

PDXFLG

Portland

Fri 2/6

12:02 pm-5:31 pm

1 stop4h 29m

Flagstaff Pulliam

Thu 2/12

7:21 am-2:18 pm

1 stop7h 57m

$426

SeattleFlagstaff

SEA - FLG

SEAFLG

Seattle/Tacoma Intl

Wed 1/7

11:25 am-5:31 pm

1 stop5h 06m

Flagstaff Pulliam

Wed 1/14

7:24 am-2:02 pm

1 stop7h 38m

$436

SeattleFlagstaff

SEA - FLG

SEAFLG

Seattle/Tacoma Intl

Thu 2/5

6:00 pm-11:44 pm

1 stop4h 44m

Flagstaff Pulliam

Sun 2/8

12:38 pm-5:26 pm

1 stop5h 48m

$456

PortlandFlagstaff

PDX - FLG

PDXFLG

Portland

Wed 2/4

5:14 am-12:08 pm

1 stop5h 54m

Flagstaff Pulliam

Fri 2/6

7:24 am-1:41 pm

1 stop7h 17m

$456

SeattleFlagstaff

SEA - FLG

SEAFLG

Seattle/Tacoma Intl

Tue 1/6

6:00 am-5:31 pm

2 stops10h 31m

Flagstaff Pulliam

Fri 1/9

7:24 am-1:49 pm

1 stop7h 25m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 38 results

Best time to book a flight from Washington to Flagstaff

Have a flexible travel schedule? Discover the best time to fly to Flagstaff from Washington 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.

Cheapflights Insights

Everything you need to know about your flight from Washington to Flagstaff

What is the cheapest month to book a flight from State of Washington to Flagstaff?

Currently, October is the cheapest month in which you can book a flight from State of Washington to Flagstaff (average of $341). Flying from State of Washington to Flagstaff in February is currently the most expensive (average of $613). 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.

Related info for your journey

What airport do you fly into for flights to Flagstaff from Washington?
Located just 4.3 mi from the city center, Flagstaff Pulliam (FLG) is the airport most travelers will use when flying to Flagstaff from Washington.
How long is the flight from State of Washington to Flagstaff?
A quick flight from State of Washington to Flagstaff can take about 5h 30m. American Airlines provides one of the quickest options available for as low as $356. The distance between State of Washington and Flagstaff is about 913 mi.
What are the most popular routes from State of Washington to Flagstaff?
While some choose either Portland - Flagstaff Pulliam or Spokane - Flagstaff Pulliam, Seattle/Tacoma Intl - Flagstaff Pulliam is the most popular route from State of Washington to Flagstaff.
Can I find deals for flights from Washington to Flagstaff that include hotel bookings?
Yes. In addition to deals on Washington to Flagstaff flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Flagstaff?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Flagstaff.
Can I find deals for business class flights from Washington to Flagstaff?
Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Flagstaff?
Currently, October is the cheapest month in which you can book a flight from State of Washington to Flagstaff (average of $341). Flying from State of Washington to Flagstaff in February is currently the most expensive (average of $613). 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

Williams

Winslow

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington to Flagstaff

John F Kennedy Intl to Las Vegas flights

Newark to Las Vegas flights

Dallas/Fort Worth to Las Vegas flights

O'Hare Intl to Las Vegas flights

San Francisco to Las Vegas flights

Minneapolis to Sky Harbor Intl flights

Seattle to Las Vegas flights

O'Hare Intl to Sky Harbor Intl flights

John F Kennedy Intl to Sky Harbor Intl flights

Atlanta to Las Vegas flights

Dulles Intl to Las Vegas flights

Newark to Sky Harbor Intl flights

Seattle to Sky Harbor Intl flights

Los Angeles to Las Vegas flights

LaGuardia to Las Vegas flights

Denver to Las Vegas flights

Hobby to Las Vegas flights

Boston to Las Vegas flights

Reagan-National to Las Vegas flights

Burbank to Las Vegas flights

Baltimore to Las Vegas flights

Santa Ana to Las Vegas flights

Minneapolis to Las Vegas flights

Detroit to Las Vegas flights

San Jose to Las Vegas flights

Orlando to Las Vegas flights

George Bush Intcntl to Las Vegas flights

Philadelphia to Las Vegas flights

Dulles Intl to Sky Harbor Intl flights

Detroit to Sky Harbor Intl flights

Austin to Las Vegas flights

Dallas/Fort Worth to Sky Harbor Intl flights

Midway to Las Vegas flights

Oakland to Las Vegas flights

Fort Lauderdale to Las Vegas flights

Love Field to Las Vegas flights

Cleveland to Las Vegas flights

LaGuardia to Sky Harbor Intl flights

San Francisco to Sky Harbor Intl flights

Los Angeles to Sky Harbor Intl flights

Boston to Sky Harbor Intl flights

San Antonio to Las Vegas flights

Denver to Sky Harbor Intl flights

Baltimore to Sky Harbor Intl flights

Raleigh to Las Vegas flights

Sacramento to Las Vegas flights

Miami to Las Vegas flights

Charlotte to Las Vegas flights

Portland to Las Vegas flights

Reagan-National to Sky Harbor Intl flights

Top 2 airlines flying from Washington to Flagstaff

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$347	Average$561	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$349	Average$513	FlexibilityNo cancel fee	On-time71%

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.

$250+ Cheap flights from Washington 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Flagstaff with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington to Flagstaff

Cheapest flights from Washington to FlagstaffExplore the most affordable flight options available from Washington to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Washington to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Washington to Flagstaff

Keep the following information in mind while searching for Washington to Flagstaff flight deals. Data was last updated December 18, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Flagstaff that are best for you.

Best time to book a flight from Washington to Flagstaff

Have a flexible travel schedule? Discover the best time to fly to Flagstaff from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to Flagstaff

What is the cheapest month to book a flight from State of Washington to Flagstaff?

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

How long is the flight from State of Washington to Flagstaff?

What are the most popular routes from State of Washington to Flagstaff?

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

How can I find direct flights from Washington to Flagstaff?

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

What is the cheapest month to book a flight from State of Washington to Flagstaff?

Traveling to a place near Flagstaff?

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 for Washington to Flagstaff

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Washington to Flagstaff

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Washington to Flagstaff
Explore the most affordable flight options available from Washington to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.