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$588+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GUM
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
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 November 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,504
(Kiwi.com)

One-way from

$588
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,905
Provider with most accurate pricing for Seattle/Tacoma Intl-Tamuning Guam Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Tamuning Guam Intl flights.
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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. 7% potential increase in price ($147 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 19, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/112:05 pmSEA - GUM
2 stops44h 15mMultiple Airlines
Sun 12/289:50 pmGUM - SEA
1 stop33h 55mMultiple Airlines
Deal found 11/17$1,504
This Delta deal was found by Cheapflights users on 11/16. 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.
Mon 12/111:30 amSEA - GUM
1 stop33h 05mDelta
Sun 12/71:00 amGUM - SEA
1 stop30h 20mDelta
Deal found 11/16$1,594
This Delta deal was found by Cheapflights users on 11/17. 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.
Mon 12/111:30 amSEA - GUM
1 stop33h 05mDelta
Sat 12/271:00 amGUM - SEA
1 stop30h 20mDelta
Deal found 11/17$1,749
This Delta deal was found by Cheapflights users on 11/17. 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 12/3011:30 amSEA - GUM
1 stop17h 35mDelta
Mon 1/121:00 amGUM - SEA
1 stop30h 20mDelta
Deal found 11/17$1,804

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 November 19, 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

Mon 2/9

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Sun 2/22

1:00 am-1:20 pm

1 stop30h 20m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 1/10

6:34 pm-3:15 pm

3 stops50h 41m

$626

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 12/10

11:10 pm-2:20 am

3 stops33h 10m

$654

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 12/15

7:54 pm-3:00 pm

2 stops49h 06m

$1,260

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 2/10

11:25 am-11:05 pm

1 stop17h 40m

$1,396

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 2/17

3:30 pm-11:05 pm

2 stops37h 35m

$1,411

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 2/17

8:17 am-9:45 pm

3 stops43h 28m

$2,044

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

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 $326). Flying from Seattle to Guam in December is currently the most expensive (average of $1,642). 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 November 19, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 6% on flights from Seattle to Guam by exploring options for tickets at noon.

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 November 19, 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
7.9
Good
8,004 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,004 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,023 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $1,544, Delta can have you in Guam from Seattle in 17h 40m. 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 $326). Flying from Seattle to Guam in December is currently the most expensive (average of $1,642). 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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$483Average$1,993FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,543Average$1,642FlexibilityNo cancel feeOn-timeN/A

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