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Cheap flights from Flagstaff to Seattle from $356

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Flagstaff to Seattle departing on 10/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Flagstaff to Seattle

Cheap round-trip flights

American Airlines Logo
1:20 pm - 9:00 pmFLG-SEA
7h 40m1 stop
American Airlines Logo
11:04 am - 5:50 pmSEA-FLG
6h 46m1 stop
$356American Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
American Airlines Logo
10:38 am - 4:54 pmFLG-SEA
6h 16m1 stop
American Airlines Logo
6:11 am - 11:25 amSEA-FLG
5h 14m1 stop
$386American Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
American Airlines Logo
10:17 am - 2:59 pmFLG-SEA
4h 42m1 stop
American Airlines Logo
6:30 am - 12:50 pmSEA-FLG
6h 20m1 stop
$406American Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 29
American Airlines Logo
1:20 pm - 9:00 pmFLG-SEA
7h 40m1 stop
American Airlines Logo
11:04 am - 5:50 pmSEA-FLG
6h 46m1 stop
$436American Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
American Airlines Logo
8:00 am - 2:34 pmFLG-SEA
6h 34m1 stop
American Airlines Logo
5:48 pm - 10:54 pmSEA-FLG
5h 06m1 stop
$466American Airlines
Find Deal
Wed, Oct 1 - Thu, Oct 16
American Airlines Logo
7:45 am - 2:05 pmFLG-SEA
7h 20m1 stop
American Airlines Logo
9:57 am - 3:35 pmSEA-FLG
4h 38m1 stop
$566American Airlines
Find Deal
Sun, Dec 14 - Wed, Dec 31
American Airlines Logo
1:20 pm - 9:00 pmFLG-SEA
7h 40m1 stop
American Airlines Logo
2:42 pm - 12:50 pmSEA-FLG
22h 08m2 stops
$579American Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
American Airlines Logo
5:24 pm - 10:26 amFLG-SEA
17h 02m1 stop
American Airlines Logo
6:11 am - 4:55 pmSEA-FLG
10h 44m1 stop
$584American Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
Alaska Airlines Logo
10:38 am - 4:58 pmFLG-SEA
6h 20m1 stop
Alaska Airlines Logo
9:51 am - 4:55 pmSEA-FLG
7h 04m1 stop
$2,286Alaska Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
Alaska Airlines Logo
10:17 am - 9:09 pmFLG-SEA
10h 52m2 stops
Alaska Airlines Logo
8:35 pm - 5:57 pmSEA-FLG
21h 22m2 stops
$2,301Alaska Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20

American Airlines flights from Flagstaff to Seattle

Our best American Airlines deals on Flagstaff to Seattle flight tickets
American Airlines
Oct 16
FLG1:20 pmFlagstaff Pulliam
7h 40m
1 stop
SEA9:00 pmSeattle/Tacoma Intl
Oct 20
SEA11:04 amSeattle/Tacoma Intl
6h 46m
1 stop
FLG5:50 pmFlagstaff Pulliam
$356
Find similar
American Airlines
Oct 2
FLG10:38 amFlagstaff Pulliam
6h 16m
1 stop
SEA4:54 pmSeattle/Tacoma Intl
Oct 5
SEA6:11 amSeattle/Tacoma Intl
5h 14m
1 stop
FLG11:25 amFlagstaff Pulliam
$386
Find similar
American Airlines
Oct 15
FLG10:17 amFlagstaff Pulliam
4h 42m
1 stop
SEA2:59 pmSeattle/Tacoma Intl
Oct 29
SEA6:30 amSeattle/Tacoma Intl
6h 20m
1 stop
FLG12:50 pmFlagstaff Pulliam
$406
Find similar

Alaska Airlines flights from Flagstaff to Seattle

Our best Alaska Airlines deals on Flagstaff to Seattle flight tickets
Alaska Airlines
Sep 30
FLG10:38 amFlagstaff Pulliam
6h 20m
1 stop
SEA4:58 pmSeattle/Tacoma Intl
Oct 4
SEA9:51 amSeattle/Tacoma Intl
7h 04m
1 stop
FLG4:55 pmFlagstaff Pulliam
$2,286
Find similar
Alaska Airlines
Oct 16
FLG10:17 amFlagstaff Pulliam
10h 52m
2 stops
SEA9:09 pmSeattle/Tacoma Intl
Oct 20
SEA8:35 pmSeattle/Tacoma Intl
21h 22m
2 stops
FLG5:57 pmFlagstaff Pulliam
$2,301
Find similar
Alaska Airlines
Oct 16
FLG10:17 amFlagstaff Pulliam
10h 52m
2 stops
SEA9:09 pmSeattle/Tacoma Intl
Oct 20
SEA8:45 amSeattle/Tacoma Intl
9h 05m
2 stops
FLG5:50 pmFlagstaff Pulliam
$3,579
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Flagstaff to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Thu 10/16

1:20 pm-9:00 pm

1 stop7h 40m

Seattle/Tacoma Intl

Mon 10/20

11:04 am-5:50 pm

1 stop6h 46m

$356

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Thu 10/2

10:38 am-4:54 pm

1 stop6h 16m

Seattle/Tacoma Intl

Sun 10/5

6:11 am-11:25 am

1 stop5h 14m

$386

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Wed 10/15

10:17 am-2:59 pm

1 stop4h 42m

Seattle/Tacoma Intl

Wed 10/29

6:30 am-12:50 pm

1 stop6h 20m

$406

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Thu 10/16

1:20 pm-9:00 pm

1 stop7h 40m

Seattle/Tacoma Intl

Mon 10/20

11:04 am-5:50 pm

1 stop6h 46m

$436

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Wed 10/1

8:00 am-2:34 pm

1 stop6h 34m

Seattle/Tacoma Intl

Thu 10/16

5:48 pm-10:54 pm

1 stop5h 06m

$466

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Sun 12/14

7:45 am-2:05 pm

1 stop7h 20m

Seattle/Tacoma Intl

Wed 12/31

9:57 am-3:35 pm

1 stop4h 38m

$566

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Thu 10/16

1:20 pm-9:00 pm

1 stop7h 40m

Seattle/Tacoma Intl

Mon 10/20

2:42 pm-12:50 pm

2 stops22h 08m

$579

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Tue 9/30

5:24 pm-10:26 am

1 stop17h 02m

Seattle/Tacoma Intl

Sat 10/4

6:11 am-4:55 pm

1 stop10h 44m

$584

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Tue 9/30

10:38 am-4:58 pm

1 stop6h 20m

Seattle/Tacoma Intl

Sat 10/4

9:51 am-4:55 pm

1 stop7h 04m

$2,286

FlagstaffSeattle

FLG - SEA

FLGSEA

Flagstaff Pulliam

Thu 10/16

10:17 am-9:09 pm

2 stops10h 52m

Seattle/Tacoma Intl

Mon 10/20

8:35 pm-5:57 pm

2 stops21h 22m

$2,301

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Flagstaff to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, April is the cheapest month to fly from Flagstaff to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $379. If you don’t want to visit Seattle in April, then you should wait until October to fly from Flagstaff, when ticket prices are also cheap, with an average price of $425.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Flagstaff is on a Friday. momondo users have found tickets for Friday departures for as low as $556. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday is the most expensive day to depart from Flagstaff because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $674.

How have Flagstaff to Seattle flight prices changed over time?

As of September 2025, prices for Flagstaff to Seattle flights are approximately 54% more expensive when compared to flights at the same time last year.

When to book flights from Flagstaff to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Flagstaff to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Flagstaff to Seattle (FLG to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Flagstaff to Seattle

Direct flights

None
There are no direct flights from Flagstaff to Seattle. There are no popular flight routes from Flagstaff to Seattle.
Search flight deals

  • How far is Flagstaff Pulliam to Seattle/Tacoma Intl by plane?

    A flight from Flagstaff Pulliam to Seattle/Tacoma Intl will travel around 1018.2 mi. 4h 42m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Flagstaff Pulliam Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Flagstaff Pulliam Airport to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Flagstaff Pulliam Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Flagstaff Pulliam Airport to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Flagstaff Pulliam Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Flagstaff to Seattle?

Best airlines flying from Flagstaff to Seattle

Compare and see reviews for airlines that fly from Flagstaff to Seattle with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $365Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Kirkland
Tukwila
Shoreline
Lakewood
Centralia
Fife
Cle Elum
Redmond
Westport

Why use momondo?

Why should I use momondo to find a flight deal from Flagstaff to Seattle?

Finding the right flight to Seattle from Flagstaff is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Flagstaff to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Flagstaff to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Flagstaff to Seattle?

momondo helps you find the best flight between Flagstaff and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Flagstaff to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Flagstaff are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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