$206 Cheap Flights from Flagstaff (FLG) to Seattle (SEA)

View $206 flight on Tue, Mar 17, 2026Opens in a new window

Popular airlines from Flagstaff Pulliam Field (FLG) to Seattle-Tacoma International Airport (SEA)

Cheap Flights from Flagstaff to Seattle (FLG-SEA)

Prices were available within the past 7 days and start at $206 for one-way flights and $356 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Dec 5 - Mon, Dec 8
FLG
Flagstaff
SEA
Seattle
$356 Roundtrip, found 1 day ago
$356
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Dec 5 from Flagstaff to Seattle, returning Mon, Dec 8, priced at $356 found 1 day ago
American Airlines
Wed, Dec 3 - Fri, Dec 5
FLG
Flagstaff
SEA
Seattle
$406 Roundtrip, found 1 day ago
$406
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 3 from Flagstaff to Seattle, returning Fri, Dec 5, priced at $406 found 1 day ago
American Airlines
Tue, Dec 16 - Tue, Dec 30
FLG
Flagstaff
SEA
Seattle
$436 Roundtrip, found 1 day ago
$436
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 16 from Flagstaff to Seattle, returning Tue, Dec 30, priced at $436 found 1 day ago
American Airlines
Fri, Dec 19 - Tue, Dec 30
FLG
Flagstaff
SEA
Seattle
$466 Roundtrip, found 1 day ago
$466
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Dec 19 from Flagstaff to Seattle, returning Tue, Dec 30, priced at $466 found 1 day ago
American Airlines
Wed, Nov 19 - Tue, Dec 2
FLG
Flagstaff
SEA
Seattle
$476 Roundtrip, found 1 day ago
$476
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 19 from Flagstaff to Seattle, returning Tue, Dec 2, priced at $476 found 1 day ago
American Airlines
Wed, Nov 19 - Mon, Dec 1
FLG
Flagstaff
SEA
Seattle
$506 Roundtrip, found 1 day ago
$506
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 19 from Flagstaff to Seattle, returning Mon, Dec 1, priced at $506 found 1 day ago
American Airlines
Sun, Jan 4 - Mon, Jan 5
FLG
Flagstaff
SEA
Seattle
$519 Roundtrip, found 6 days ago
$519
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Jan 4 from Flagstaff to Seattle, returning Mon, Jan 5, priced at $519 found 6 days ago
American Airlines
Fri, Dec 5 - Sat, Dec 13
FLG
Flagstaff
SEA
Seattle
$524 Roundtrip, found 6 days ago
$524
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Dec 5 from Flagstaff to Seattle, returning Sat, Dec 13, priced at $524 found 6 days ago
American Airlines
Sun, Nov 16 - Tue, Dec 2
FLG
Flagstaff
SEA
Seattle
$526 Roundtrip, found 1 day ago
$526
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Nov 16 from Flagstaff to Seattle, returning Tue, Dec 2, priced at $526 found 1 day ago
American Airlines
Wed, Nov 12 - Tue, Dec 2
FLG
Flagstaff
SEA
Seattle
$531 Roundtrip, found 2 days ago
$531
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Nov 12 from Flagstaff to Seattle, returning Tue, Dec 2, priced at $531 found 2 days ago

Find the cheapest month to fly from Flagstaff (FLG) to Seattle (SEA)

August is typically the cheapest month to fly

From $297 - $788 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $476
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $476
Flights from Flagstaff (FLG) to Seattle (SEA)
Origin airport
Flagstaff Pulliam Field
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$355
Distance
1011 mi

Flagstaff to Seattle Flights

The cheapest times to fly from Flagstaff to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Flagstaff to Seattle are during the month of December. You can find some of the cheapest flights from Flagstaff to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Flagstaff to Seattle

Sunday is one of the best days to book for cheap flights from Flagstaff to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Flagstaff to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Flagstaff to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $206 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Flagstaff to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Flagstaff to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Flagstaff Pulliam Field Airport (FLG) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight from $206 or cheap return flight from $356 from Flagstaff Pulliam Field Airport (FLG) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Flagstaff Pulliam Field Airport (FLG) to Seattle - Tacoma Intl. Airport (SEA)?
December is the cheapest month to fly from FLG to SEA. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Flagstaff Pulliam Field Airport (FLG) to Seattle - Tacoma Intl. Airport (SEA)?
To find the cheapest airline flying from FLG to SEA, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Flagstaff Pulliam Field Airport (FLG) to Seattle - Tacoma Intl. Airport (SEA)?
There are no daily nonstop flights available from Flagstaff Pulliam Field Airport (FLG) to Seattle - Tacoma Intl. Airport (SEA). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from FLG to SEA?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Flagstaff Pulliam Field Airport (FLG) to Seattle - Tacoma Intl. Airport (SEA)?
Choose a flight from Flagstaff Pulliam Field Airport (FLG) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Flagstaff Pulliam Field Airport (FLG) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Holding off until right before your break to book a flight from FLG to SEA often results in higher prices. Although you may find some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book a FLG to SEA flight and hotel package?
You'll typically save money by booking a FLG to SEA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your preferred accommodations and flights, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Flagstaff Pulliam Field Airport (FLG) to Seattle - Tacoma Intl. Airport (SEA)?
Typically, it's possible to reschedule or cancel your FLG to SEA flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.