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$336+ Cheap flights from Flagstaff to Seattle (FLG - SEA)

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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — SEA
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap 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 diciembre 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/11. 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.
vie. 12/267:39 amFLG - SEA
1 stop7h 10mAlaska Airlines
mar. 12/303:45 pmSEA - FLG
1 stop7h 07mAlaska Airlines
Deal found 12/11$2,286

Find 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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$400
(Alaska Airlines)

One-way from

$336
(American Airlines)

Popular in

July

Cheapest in

April

Average price

$525
Provider with most accurate pricing for Flagstaff Pulliam-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Flagstaff Pulliam-Seattle/Tacoma Intl flights.
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From Flagstaff Pulliam to Seattle/Tacoma Intl
Search Deals
One-way flight from Flagstaff Pulliam to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 40% potential increase in price ($479 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 28% potential price decrease ($158 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 diciembre 12, 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

sáb. 1/24

12:38 pm-7:30 pm

1 stop7h 52m

Seattle/Tacoma Intl

sáb. 1/31

8:30 am-5:31 pm

2 stops8h 01m

$400

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

lun. 1/5

1:10 pm-5:26 pm

1 stop5h 16m

Seattle/Tacoma Intl

mar. 1/6

6:00 am-5:31 pm

2 stops10h 31m

$504

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

lun. 4/27

3:13 pm-10:49 pm

2 stops7h 36m

Seattle/Tacoma Intl

jue. 4/30

11:46 am-5:25 pm

1 stop5h 39m

$884

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

lun. 1/5

4:05 pm-10:38 am

2 stops19h 33m

Seattle/Tacoma Intl

mar. 1/6

4:55 pm-12:08 pm

2 stops18h 13m

$1,183

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

mié. 2/25

5:30 pm-11:12 pm

1 stop6h 42m

Seattle/Tacoma Intl

sáb. 2/28

11:47 am-8:37 pm

1 stop7h 50m

$1,338

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

vie. 12/26

7:39 am-1:49 pm

1 stop7h 10m

Seattle/Tacoma Intl

mar. 12/30

3:45 pm-11:52 pm

1 stop7h 07m

$2,286

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

mar. 2/17

7:21 am-1:49 pm

1 stop7h 28m

$336

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

sáb. 1/3

7:39 am-2:11 pm

1 stop7h 32m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Flagstaff to Seattle

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 Flagstaff to Seattle in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Flagstaff-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Flagstaff-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Flagstaff-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Flagstaff-Seattle flights, Cheapflights users trust eDreams the most. eDreams 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 Flagstaff-Seattle 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 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 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 diciembre 12, 2025.

It’s optimal to fly from Flagstaff to Seattle in the afternoon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at noon.

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 diciembre 12, 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
11,050 reviews

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 $504, Alaska Airlines can have you in Seattle from Flagstaff in 5h 16m. The distance between Flagstaff and Seattle is about 1011 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
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Puyallup
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Federal Way

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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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$365Average$561FlexibilityNo cancel feeOn-time71%

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