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Flagstaff

$250+ Cheap flights from Seattle to Flagstaff (SEA - 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FLG
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
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Cheap flight deals from Seattle to Flagstaff

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Flagstaff (FLG). 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 julio 29, 2025.

Round-trip from

$384
(American Airlines)

One-way from

$250
(American Airlines)

Popular in

November

Cheapest in

July

Average price

$515
From Seattle/Tacoma Intl to Flagstaff Pulliam
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One-way flight from Seattle/Tacoma Intl to Flagstaff Pulliam
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Highest demand for flights based on searches. 6% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 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 Seattle to Flagstaff

Cheapest flights from Seattle to Flagstaff
Explore the most affordable flight options available from Seattle to Flagstaff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 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.
jue. 10/25:24 pmSEA - FLG
1 stop4h 57mAmerican Airlines
vie. 10/108:00 amFLG - SEA
1 stop6h 59mAmerican Airlines
Deal found 7/27$384

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Flagstaff 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 julio 29, 2025.
Use the filters below to find and compare flights from Seattle to Flagstaff that are best for you.

Fly from

Seattle

Fly to

Flagstaff

Route

Depart

Return

Price

SeattleFlagstaff

SEA - FLG

SEAFLG

Seattle/Tacoma Intl

jue. 10/2

5:24 pm-10:21 pm

1 stop4h 57m

Flagstaff Pulliam

vie. 10/10

8:00 am-2:59 pm

1 stop6h 59m

$384

SeattleFlagstaff

SEA - FLG

SEAFLG

Seattle/Tacoma Intl

dom. 9/21

5:24 pm-10:21 pm

1 stop4h 57m

$250

SeattleFlagstaff

SEA - FLG

SEAFLG

Seattle/Tacoma Intl

dom. 9/14

5:15 pm-9:58 am

2 stops16h 43m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Seattle to Flagstaff

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

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

Currently, July is the cheapest month in which you can book a flight from Seattle to Flagstaff (average of $548). Flying from Seattle 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.

Reviews of airlines servicing Flagstaff

Get insights into the airlines that provide service to Flagstaff. 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 Flagstaff. Reviews last updated julio 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines and American Airlines from Seattle to Flagstaff by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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

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

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

    Currently priced at $384, American Airlines will fly you from Seattle to Flagstaff and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. This flight start at 37% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Seattle to Flagstaff (average of $548). Flying from Seattle 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.

See more FAQs

Traveling to a place near Flagstaff?

Book flights to Flagstaff if you plan to visit one of these locations
Williams
Winslow

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Top 2 airlines flying from Seattle to Flagstaff

Discover the top 2 airlines that operate flights from Seattle to Flagstaff. 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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$349Average$568FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$349Average$621FlexibilityNo cancel feeOn-time71%

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