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$336+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — SEA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$336
(American Airlines)

Popular in

July

Cheapest in

April

Average price

$2,285
From Flagstaff Pulliam to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 39% potential increase in price ($454 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 25% potential price decrease ($143 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. 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 10/161:18 pmFLG - SEA
1 stop7h 42mAmerican Airlines
Mon 10/206:30 amSEA - FLG
1 stop6h 18mAmerican Airlines
Deal found 7/27$336
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1110:30 amFLG - SEA
1 stop6h 30mAlaska Airlines
Fri 8/159:54 amSEA - FLG
1 stop7h 43mAlaska Airlines
Deal found 7/26$2,286

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 July 29, 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

Thu 10/16

1:18 pm-9:00 pm

1 stop7h 42m

Seattle/Tacoma Intl

Mon 10/20

6:30 am-12:48 pm

1 stop6h 18m

$336

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Mon 8/11

10:30 am-5:00 pm

1 stop6h 30m

Seattle/Tacoma Intl

Fri 8/15

9:54 am-5:37 pm

1 stop7h 43m

$2,286

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 $389). 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 July 29, 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.

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 July 29, 2025.
See what other customers who have flown with Alaska Airlines and 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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.

  • What are the cheapest airlines flying from Flagstaff to Seattle round-trip?

    American Airlines, at $336, was found to be the cheapest airline from Flagstaff to Seattle. An alternate airline flying to your destination would be Alaska Airlines. You may be able to fly from Flagstaff to Seattle for 52% less than the average price by searching for these airlines.

  • 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 $389). 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
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$365Average$567FlexibilityNo cancel feeOn-time71%

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