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$356+ Cheap flights from Flagstaff to Seattle (FLG - SEA)

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Flagstaff to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Flagstaff (FLG) to Seattle (SEA). 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 11, 2025.

Round-trip from

$356
(American Airlines)

Popular in

July

Cheapest in

April

Average price

$431
From Flagstaff Pulliam to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 40% potential increase in price ($483 potential increase over avg. RT price).
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Cheapest flight prices on average. 25% potential price decrease ($144 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Flagstaff to Seattle

Cheapest flights from Flagstaff to Seattle
Explore the most affordable flight options available from Flagstaff to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

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 10/161:20 pmFLG - SEA
1 stop7h 40mAmerican Airlines
Mon 10/206:30 amSEA - FLG
1 stop6h 20mAmerican Airlines
Deal found 9/10$356
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.
Wed 11/57:45 amFLG - SEA
1 stop7h 23mAmerican Airlines
Wed 11/1911:25 amSEA - FLG
1 stop6h 10mAmerican Airlines
Deal found 9/10$406
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.
Tue 11/44:04 pmFLG - SEA
1 stop5h 10mAmerican Airlines
Sun 11/166:30 amSEA - FLG
1 stop5h 00mAmerican Airlines
Deal found 9/10$436
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.
Tue 10/148:00 amFLG - SEA
1 stop5h 33mAmerican Airlines
Mon 10/2011:04 amSEA - FLG
1 stop6h 46mAmerican Airlines
Deal found 9/9$466
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 10/910:17 amFLG - SEA
1 stop7h 01mAmerican Airlines
Fri 10/1711:04 amSEA - FLG
1 stop6h 46mAmerican Airlines
Deal found 9/9$486
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.
Tue 10/148:00 amFLG - SEA
1 stop5h 33mAmerican Airlines
Wed 10/226:30 amSEA - FLG
1 stop6h 20mAmerican Airlines
Deal found 9/9$516
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.
Sat 11/87:45 amFLG - SEA
1 stop7h 23mAmerican Airlines
Sat 11/229:46 amSEA - FLG
1 stop4h 48mAmerican Airlines
Deal found 9/10$536
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.
Tue 10/148:00 amFLG - SEA
1 stop5h 33mAmerican Airlines
Sun 10/196:30 amSEA - FLG
1 stop6h 20mAmerican Airlines
Deal found 9/9$546
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 10/1210:17 amFLG - SEA
1 stop4h 42mAmerican Airlines
Tue 10/216:30 amSEA - FLG
1 stop6h 20mAmerican Airlines
Deal found 9/9$556
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.
Wed 11/57:45 amFLG - SEA
1 stop7h 23mAmerican Airlines
Tue 11/186:05 amSEA - FLG
2 stops11h 30mAmerican Airlines
Deal found 9/10$559
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 10/118:00 amFLG - SEA
1 stop13h 00mAmerican Airlines
Tue 10/2110:45 amSEA - FLG
1 stop7h 12mAmerican Airlines
Deal found 9/9$565
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.
Sun 11/24:04 pmFLG - SEA
1 stop5h 10mAmerican Airlines
Sat 11/229:46 amSEA - FLG
1 stop4h 48mAmerican Airlines
Deal found 9/10$566

Cheapflights Fare Finder

 
Customize your flight search to find flights from Flagstaff to Seattle 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 September 11, 2025.
Use the filters below to find and compare flights from Flagstaff to Seattle that are best for you.

Fly from

Flagstaff

Fly to

Seattle

Route

Depart

Return

Price

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Fri 10/24

8:00 am-2:59 pm

1 stop6h 59m

Seattle/Tacoma Intl

Sun 10/26

6:30 am-12:50 pm

1 stop6h 20m

$356

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Fri 11/7

4:04 pm-8:14 pm

1 stop5h 10m

Seattle/Tacoma Intl

Tue 11/18

11:25 am-6:35 pm

1 stop6h 10m

$436

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Wed 10/15

1:20 pm-9:00 pm

1 stop7h 40m

Seattle/Tacoma Intl

Mon 10/20

6:30 am-12:50 pm

1 stop6h 20m

$436

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Tue 11/4

4:04 pm-8:14 pm

1 stop5h 10m

Seattle/Tacoma Intl

Tue 11/18

11:25 am-6:35 pm

1 stop6h 10m

$436

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Tue 11/4

4:04 pm-8:14 pm

1 stop5h 10m

Seattle/Tacoma Intl

Sun 11/16

6:30 am-12:30 pm

1 stop5h 00m

$436

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Thu 10/16

1:20 pm-9:00 pm

1 stop7h 40m

Seattle/Tacoma Intl

Mon 10/20

3:29 pm-9:17 pm

1 stop5h 48m

$436

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Wed 11/5

4:04 pm-8:14 pm

1 stop5h 10m

Seattle/Tacoma Intl

Sun 11/16

5:54 pm-11:43 pm

1 stop4h 49m

$436

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Thu 10/9

10:17 am-5:18 pm

1 stop7h 01m

Seattle/Tacoma Intl

Fri 10/17

11:04 am-5:50 pm

1 stop6h 46m

$486

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Sat 11/8

7:45 am-2:08 pm

1 stop7h 23m

Seattle/Tacoma Intl

Mon 11/17

6:30 am-1:00 pm

1 stop5h 30m

$486

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Wed 11/5

7:45 am-2:08 pm

1 stop7h 23m

Seattle/Tacoma Intl

Thu 11/20

9:46 am-3:34 pm

1 stop4h 48m

$486

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 14 results
1
2

Best time to book a flight from Flagstaff to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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.

Cheapflights Insights

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

What is the cheapest month to book a flight from Flagstaff to Seattle?

Currently, January is the cheapest month in which you can book a flight from Flagstaff to Seattle (average of $238). Flying from Flagstaff to Seattle in June is currently the most expensive (average of $388). 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 time of day to fly from FLG to SEA?

Find hourly flight availability from Flagstaff to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Flagstaff to Seattle as you normally would.

How much does it cost to fly round-trip from Flagstaff to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated September 11, 2025.
See what other customers who have flown with American Airlines from Flagstaff to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Flagstaff to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Flagstaff to Seattle?

    For as low as $356, American Airlines can have you in Seattle from Flagstaff in 6h 59m. The distance between Flagstaff and Seattle is about 1011 mi.

  • What is the cheapest airline to fly from Flagstaff to Seattle round-trip?

    American Airlines, at $365, was found to be the cheapest airline from Flagstaff to Seattle.. You may be able to fly from Flagstaff to Seattle for 48% less than the average price by searching for this airline.

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

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

  • How can I find direct flights from Flagstaff to Seattle?

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

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

    Yes. Cheapflights offers flight deals from Flagstaff to Seattle 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 Seattle?

    Currently, January is the cheapest month in which you can book a flight from Flagstaff to Seattle (average of $238). Flying from Flagstaff to Seattle in June is currently the most expensive (average of $388). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Lacey
Renton
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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Top airline flying from Flagstaff to Seattle

Discover the top airline that operate flights from Flagstaff to Seattle. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$365Average$567FlexibilityNo cancel feeOn-time71%

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