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Guam

$528+ Cheap flights from Seattle (SEA) to Guam

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GUM
Mar 30 — Apr 61
Mon 3/30
Mon 4/6
1 adult, Economy
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Cheap flight deals from Seattle to Guam

Cheapest flights from Seattle to Guam
Explore the most affordable flight options available from Seattle to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 28, 2026.

This Expedia deal was found by Cheapflights users on 2/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:40 pm
SEA
-
GUM
1 stop30h 55m
Multiple Airlines
Sun 3/154:50 pm
GUM
-
SEA
1 stop38h 55m
Multiple Airlines
Deal found 2/26$1,165
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:40 pm
SEA
-
GUM
1 stop20h 55m
Multiple Airlines
Thu 6/184:40 am
GUM
-
SEA
2 stops43h 27m
Multiple Airlines
Deal found 2/27$1,234
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/292:40 pm
SEA
-
GUM
1 stop19h 55m
Multiple Airlines
Sun 4/54:40 am
GUM
-
SEA
1 stop26h 55m
Multiple Airlines
Deal found 2/28$1,248
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/101:40 pm
SEA
-
GUM
1 stop20h 55m
Multiple Airlines
Thu 6/184:40 am
GUM
-
SEA
2 stops43h 27m
Multiple Airlines
Deal found 2/27$1,251
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:40 pm
SEA
-
GUM
1 stop20h 55m
Multiple Airlines
Tue 6/164:40 am
GUM
-
SEA
2 stops43h 27m
Multiple Airlines
Deal found 2/27$1,254
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:40 pm
SEA
-
GUM
1 stop20h 55m
Multiple Airlines
Thu 6/184:40 am
GUM
-
SEA
2 stops43h 27m
Multiple Airlines
Deal found 2/27$1,256
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/101:40 pm
SEA
-
GUM
1 stop20h 55m
Multiple Airlines
Tue 6/164:40 am
GUM
-
SEA
2 stops43h 27m
Multiple Airlines
Deal found 2/27$1,271
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:40 pm
SEA
-
GUM
1 stop20h 55m
Multiple Airlines
Sun 6/144:40 am
GUM
-
SEA
2 stops43h 27m
Multiple Airlines
Deal found 2/27$1,272
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:40 pm
SEA
-
GUM
1 stop20h 55m
Multiple Airlines
Tue 6/164:40 am
GUM
-
SEA
2 stops43h 27m
Multiple Airlines
Deal found 2/27$1,276
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:40 pm
SEA
-
GUM
1 stop20h 55m
Multiple Airlines
Sun 6/144:40 am
GUM
-
SEA
2 stops43h 27m
Multiple Airlines
Deal found 2/27$1,294
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:45 pm
SEA
-
GUM
1 stop19h 50m
Multiple Airlines
Mon 4/204:40 am
GUM
-
SEA
1 stop26h 55m
Multiple Airlines
Deal found 2/24$1,350
This Expedia deal was found by Cheapflights users on 2/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:50 pm
SEA
-
GUM
1 stop31h 45m
Multiple Airlines
Tue 3/104:35 pm
GUM
-
SEA
1 stop36h 00m
Multiple Airlines
Deal found 2/27$1,391

Find flight deals from Seattle to Guam

Keep the following information in mind while searching for Seattle to Guam flight deals. Data was last updated February 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,165
(Expedia)

One-way from

$528
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,817
Provider with most accurate pricing for Seattle/Tacoma Intl-Tamuning Guam Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Tamuning Guam Intl flights.
Search Deals
From Seattle/Tacoma Intl to Guam
Search Deals
One-way flight from Seattle/Tacoma Intl to Guam
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Guam 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 February 28, 2026.
Use the filters below to find and compare flights from Seattle to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 3/17

12:35 pm-2:35 pm

1 stop33h 00m

Tamuning Guam Intl

Thu 3/26

1:00 am-2:20 pm

1 stop30h 20m

$1,645

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 6/1

1:05 pm-11:55 pm

1 stop17h 50m

Tamuning Guam Intl

Mon 6/15

5:20 pm-1:25 pm

1 stop37h 05m

$1,645

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 5/13

1:00 pm-3:35 pm

1 stop33h 35m

Tamuning Guam Intl

Fri 6/12

3:00 am-10:05 pm

2 stops36h 05m

$1,650

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 8/9

11:53 pm-3:35 pm

2 stops46h 42m

Tamuning Guam Intl

Sun 8/23

5:20 pm-10:05 pm

2 stops45h 45m

$1,654

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 8/8

1:05 pm-3:35 pm

1 stop33h 30m

Tamuning Guam Intl

Wed 8/26

5:20 pm-2:45 pm

2 stops62h 25m

$1,690

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 3/22

12:35 pm-2:35 pm

1 stop33h 00m

Tamuning Guam Intl

Fri 4/3

3:00 am-1:07 pm

1 stop27h 07m

$1,695

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 8/6

6:05 am-3:35 pm

2 stops40h 30m

Tamuning Guam Intl

Sat 8/22

5:20 pm-1:37 pm

1 stop37h 17m

$1,699

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 4/9

8:41 am-1:50 am

3 stops48h 09m

$528

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 4/19

2:45 pm-3:35 am

1 stop19h 50m

$584

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 4/4

1:00 pm-3:35 pm

1 stop33h 35m

$1,396

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Sorted by cheapest first

Best time to book a flight from Seattle to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam 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 Guam

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

Currently, June is the cheapest month in which you can book a flight from Seattle to Guam (average of $320). Flying from Seattle to Guam in December is currently the most expensive (average of $1,979). 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 Guam

Get insights into the airlines that provide service to Guam. 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 Guam. Reviews last updated February 28, 2026.
Read through reviews of airlines operating flights from Seattle to Guam, such as Asiana Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.1
Very good
502 reviews

Entertainment

7.6

Boarding

8.3

Crew

8.5

Comfort

8.0

Food

8.0

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.
Asiana Airlines
8.1
Very good
502 reviews
Asiana Airlines
8.1
Very good
502 reviews

Entertainment

7.6

Boarding

8.3

Crew

8.5

Comfort

8.0

Food

8.0

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.
Delta
7.9
Good
8,244 reviews
Asiana Airlines
8.1
Very good
502 reviews

Entertainment

7.6

Boarding

8.3

Crew

8.5

Comfort

8.0

Food

8.0

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.
United Airlines
7.4
Good
9,363 reviews
Asiana Airlines
8.1
Very good
502 reviews

Entertainment

7.6

Boarding

8.3

Crew

8.5

Comfort

8.0

Food

8.0

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.

Related info for your journey

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

  • What airport do you fly from for flights from Seattle to Guam?

    For a flight from Seattle to Guam, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

  • How long is the flight from Seattle to Guam?

    For as low as $1,595, Delta can have you in Guam from Seattle in 17h 55m. Seattle and Guam are separated by a distance of 5664 mi.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Seattle to Guam (average of $320). Flying from Seattle to Guam in December is currently the most expensive (average of $1,979). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Seattle to Guam

Discover the top 3 airlines that operate flights from Seattle to Guam. 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 February 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$385Average$2,040FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$560Average$630FlexibilityNo cancel feeOn-time76%
DeltaCheapest$1,543Average$1,594FlexibilityNo cancel feeOn-timeN/A

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