HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Guam

$475+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GUM
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Guam with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 18, 2026.

This Expedia deal was found by Cheapflights users on 2/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/302:40 pm
SEA
-
GUM
1 stop31h 55m
Multiple Airlines
Sun 4/53:00 am
GUM
-
SEA
1 stop28h 35m
Multiple Airlines
Deal found 2/13$1,115
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:45 pm
SEA
-
GUM
1 stop19h 50m
Multiple Airlines
Thu 4/234:40 am
GUM
-
SEA
2 stops31h 22m
Multiple Airlines
Deal found 2/16$1,243
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/122:45 pm
SEA
-
GUM
1 stop19h 50m
Multiple Airlines
Fri 4/174:40 am
GUM
-
SEA
1 stop26h 55m
Multiple Airlines
Deal found 2/16$1,305
This Orbitz deal was found by Cheapflights users on 2/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:30 pm
SEA
-
GUM
1 stop32h 10m
Multiple Airlines
Thu 9/174:40 pm
GUM
-
SEA
1 stop35h 00m
Multiple Airlines
Deal found 2/14$1,342
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 5/21:40 pm
SEA
-
GUM
1 stop20h 55m
Multiple Airlines
Tue 5/124:40 am
GUM
-
SEA
2 stops31h 22m
Multiple Airlines
Deal found 2/15$1,433
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:40 pm
SEA
-
GUM
1 stop20h 55m
Multiple Airlines
Tue 5/124:40 am
GUM
-
SEA
2 stops31h 22m
Multiple Airlines
Deal found 2/16$1,455
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Tue 4/71:50 pm
SEA
-
GUM
2 stops20h 45m
Multiple Airlines
Mon 4/134:40 am
GUM
-
SEA
1 stop26h 55m
Multiple Airlines
Deal found 2/15$1,534
This Expedia deal was found by Cheapflights users on 2/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:30 pm
SEA
-
GUM
1 stop32h 10m
Multiple Airlines
Mon 10/194:40 pm
GUM
-
SEA
1 stop35h 00m
Multiple Airlines
Deal found 2/15$1,542
This Delta deal was found by Cheapflights users on 2/17. 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 9/281:00 pm
SEA
-
GUM
1 stop33h 35m
Delta
Wed 10/75:20 pm
GUM
-
SEA
1 stop36h 54m
Delta
Deal found 2/17$1,545

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 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,115
(Expedia)

One-way from

$475
(Kiwi.com)

Popular in

December

Cheapest in

October

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. 4% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($64 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 18, 2026.
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

Sat 5/2

1:40 pm-3:35 am

1 stop20h 55m

Tamuning Guam Intl

Tue 5/12

4:40 am-7:02 pm

2 stops31h 22m

$1,433

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 5/1

1:40 pm-3:35 am

1 stop20h 55m

Tamuning Guam Intl

Tue 5/12

4:40 am-7:02 pm

2 stops31h 22m

$1,455

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 4/16

1:50 pm-2:40 pm

1 stop31h 50m

Tamuning Guam Intl

Thu 4/23

4:40 pm-11:15 am

1 stop35h 35m

$1,467

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 3/16

12:35 pm-2:35 pm

1 stop33h 00m

Tamuning Guam Intl

Sun 3/22

1:00 am-2:20 pm

1 stop30h 20m

$1,595

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 4/1

1:00 pm-3:35 pm

1 stop33h 35m

Tamuning Guam Intl

Wed 4/8

5:20 pm-1:07 pm

1 stop36h 47m

$1,595

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 5/1

1:00 pm-3:35 pm

1 stop33h 35m

Tamuning Guam Intl

Mon 5/11

3:00 am-1:11 pm

1 stop27h 11m

$1,595

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 3/30

1:00 pm-3:15 pm

1 stop33h 15m

Tamuning Guam Intl

Sun 4/5

3:00 am-12:03 am

2 stops38h 03m

$1,599

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 4/16

5:35 am-11:55 pm

2 stops25h 20m

Tamuning Guam Intl

Wed 4/22

3:00 am-11:59 pm

2 stops37h 59m

$1,604

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 3/30

2:40 pm-3:35 am

1 stop19h 55m

$475

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 4/6

7:51 pm-11:45 pm

2 stops58h 54m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 12 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 $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 18, 2026.
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
8,207 reviews

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

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
8,207 reviews
Delta
7.9
Good
8,207 reviews

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

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
9,312 reviews
Delta
7.9
Good
8,207 reviews

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

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 $1,595, Delta can have you in Guam from Seattle in 33h. 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$467Average$2,008FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,543Average$1,594FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights