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$560+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GUM
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Seattle to Guam

Keep the following information in mind while searching for Seattle to Guam flight deals. Data was last updated August 16, 2025.

Round-trip from

$1,135
(Kiwi.com)

One-way from

$560
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,904
From Seattle/Tacoma Intl to Guam
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One-way flight from Seattle/Tacoma Intl to Guam
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Highest demand for flights based on searches. 5% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 9/122:50 pmSEA - GUM
1 stop30h 40mMultiple Airlines
Thu 9/183:40 amGUM - SEA
1 stop28h 05mMultiple Airlines
Deal found 8/13$1,135
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/132:50 pmSEA - GUM
1 stop39h 20mMultiple Airlines
Fri 9/193:40 amGUM - SEA
1 stop28h 05mMultiple Airlines
Deal found 8/15$1,178
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/78:15 amSEA - GUM
2 stops38h 05mMultiple Airlines
Sat 9/203:40 amGUM - SEA
1 stop28h 05mMultiple Airlines
Deal found 8/14$1,194
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/282:50 pmSEA - GUM
1 stop30h 40mMultiple Airlines
Sun 10/55:10 pmGUM - SEA
1 stop38h 25mMultiple Airlines
Deal found 8/14$1,555
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:15 pmSEA - GUM
1 stop18h 55mDelta
Tue 10/215:00 pmGUM - SEA
1 stop37h 30mDelta
Deal found 8/15$1,594
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 9/291:45 pmSEA - GUM
2 stops31h 45mMultiple Airlines
Sun 10/53:05 amGUM - SEA
1 stop28h 30mMultiple Airlines
Deal found 8/15$1,618
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2812:35 pmSEA - GUM
1 stop18h 35mDelta
Sat 10/41:55 amGUM - SEA
1 stop28h 35mDelta
Deal found 8/14$1,694

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 August 16, 2025.
Use the filters below to find and compare flights from Seattle to Guam that are best for you.

Fly from

Seattle

Fly to

Guam

Route

Depart

Return

Price

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 9/12

2:50 pm-2:30 pm

1 stop30h 40m

Tamuning Guam Intl

Thu 9/18

3:40 am-2:45 pm

1 stop28h 05m

$1,135

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 9/13

2:50 pm-11:10 pm

1 stop39h 20m

Tamuning Guam Intl

Fri 9/19

3:40 am-2:45 pm

1 stop28h 05m

$1,178

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 9/7

8:15 am-3:20 pm

2 stops38h 05m

Tamuning Guam Intl

Sat 9/20

3:40 am-2:45 pm

1 stop28h 05m

$1,194

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 9/28

2:50 pm-2:30 pm

1 stop30h 40m

Tamuning Guam Intl

Sun 10/5

5:10 pm-2:35 pm

1 stop38h 25m

$1,555

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 10/7

12:15 pm-12:10 am

1 stop18h 55m

Tamuning Guam Intl

Tue 10/21

5:00 pm-1:30 pm

1 stop37h 30m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 11/20

11:15 am-2:35 pm

1 stop33h 20m

Tamuning Guam Intl

Thu 12/4

4:50 pm-1:20 pm

1 stop38h 30m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 9/13

2:50 pm-11:10 pm

1 stop39h 20m

$560

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 8/22

3:55 pm-2:30 pm

2 stops53h 35m

$692

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 8/22

12:55 pm-12:10 am

1 stop18h 15m

$1,396

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 8/26

8:00 am-2:30 am

3 stops49h 30m

$2,136

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 11 results
1
2

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, January is the cheapest month in which you can book a flight from Seattle to Guam (average of $1,977). Flying from Seattle to Guam in May is currently the most expensive (average of $2,214). 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.

What is the cheapest time of day to fly from SEA to GU?

Find hourly flight availability from Seattle to Guam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Guam as you normally would.

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 August 16, 2025.
Read through reviews of airlines operating flights from Seattle to Guam, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,985 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,985 reviews
Delta
8.0
Very good
7,985 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,985 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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, January is the cheapest month in which you can book a flight from Seattle to Guam (average of $1,977). Flying from Seattle to Guam in May is currently the most expensive (average of $2,214). 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

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Top 2 airlines flying from Seattle to Guam

Discover the top 2 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$629Average$2,026FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,542Average$1,642FlexibilityNo cancel feeOn-timeN/A

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