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$481+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GUM
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/20. 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.
Thu 12/251:40 pmSEA - GUM
1 stop39h 20mMultiple Airlines
Sun 12/283:25 amGUM - SEA
1 stop28h 20mMultiple Airlines
Deal found 12/20$1,550
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/241:40 pmSEA - GUM
1 stop18h 45mMultiple Airlines
Sat 12/273:25 amGUM - SEA
1 stop28h 20mMultiple Airlines
Deal found 12/21$1,775
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/261:40 pmSEA - GUM
1 stop31h 20mMultiple Airlines
Wed 12/313:25 amGUM - SEA
1 stop28h 20mMultiple Airlines
Deal found 12/22$1,834
This Delta deal was found by Cheapflights users on 12/20. 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.
Thu 12/2511:30 amSEA - GUM
1 stop17h 35mDelta
Sun 12/281:00 amGUM - SEA
2 stops37h 45mDelta
Deal found 12/20$2,408
This Delta deal was found by Cheapflights users on 12/21. 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.
Wed 12/246:10 pmSEA - GUM
2 stops34h 55mDelta
Sat 12/271:00 amGUM - SEA
2 stops35h 31mDelta
Deal found 12/21$2,463
This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:41 pmSEA - GUM
2 stops31h 19mUnited Airlines
Thu 1/17:40 amGUM - SEA
3 stops31h 27mUnited Airlines
Deal found 12/22$2,757
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:12 pmSEA - GUM
2 stops29h 48mUnited Airlines
Sun 12/2812:30 pmGUM - SEA
3 stops26h 37mUnited Airlines
Deal found 12/21$2,783
This United Airlines deal was found by Cheapflights users on 12/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:12 pmSEA - GUM
2 stops50h 28mUnited Airlines
Sat 1/37:40 amGUM - SEA
2 stops27h 20mUnited Airlines
Deal found 12/22$2,791
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:02 amSEA - GUM
2 stops22h 43mUnited Airlines
Sat 12/2712:30 pmGUM - SEA
3 stops26h 37mUnited Airlines
Deal found 12/21$2,803

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,544
(Delta)

One-way from

$481
(Expedia)

Popular in

December

Cheapest in

October

Average price

$2,574
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. 6% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 23, 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 3/2

11:30 am-11:05 pm

1 stop17h 35m

Tamuning Guam Intl

Sun 3/8

4:50 pm-1:20 pm

1 stop38h 30m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 3/2

11:30 am-11:05 pm

1 stop17h 35m

Tamuning Guam Intl

Tue 3/10

1:00 am-2:20 pm

1 stop30h 20m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 3/4

11:30 am-11:05 pm

1 stop17h 35m

Tamuning Guam Intl

Tue 3/10

4:50 pm-2:20 pm

1 stop38h 30m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 2/26

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Wed 3/4

1:00 am-1:20 pm

1 stop30h 20m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 4/15

1:00 pm-3:15 pm

1 stop33h 15m

Tamuning Guam Intl

Mon 4/27

5:00 pm-1:07 pm

1 stop37h 07m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 2/26

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Mon 3/9

4:50 pm-12:01 am

2 stops48h 11m

$1,548

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 3/2

5:30 am-2:35 pm

2 stops39h 05m

Tamuning Guam Intl

Mon 3/9

1:00 am-6:28 pm

2 stops34h 28m

$1,553

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 2/26

5:30 am-11:05 pm

2 stops23h 35m

Tamuning Guam Intl

Wed 3/11

4:50 pm-11:38 pm

2 stops47h 48m

$1,553

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 3/19

2:40 pm-11:05 pm

1 stop39h 25m

$481

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 3/8

10:30 pm-3:25 am

2 stops35h 55m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 17 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, 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 $1,984). 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 December 23, 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 December 23, 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
8,014 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

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
8,014 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

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
9,106 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

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 $1,984). 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$483Average$1,985FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,543Average$1,594FlexibilityNo cancel feeOn-timeN/A

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