HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Guam

$684+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GUM
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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

Keep the following information in mind while searching for Seattle to Guam flight deals. Data was last updated November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,465
(Travelocity)

One-way from

$684
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,892
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 ($140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/25. 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
Wed 12/243:25 amGUM - SEA
1 stop28h 20mMultiple Airlines
Deal found 11/25$1,453
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
Mon 12/112:05 pmSEA - GUM
2 stops44h 15mMultiple Airlines
Thu 12/253:25 amGUM - SEA
1 stop28h 20mMultiple Airlines
Deal found 11/24$1,465
This Expedia deal was found by Cheapflights users on 11/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:40 pmSEA - GUM
1 stop39h 25mMultiple Airlines
Wed 12/104:35 pmGUM - SEA
1 stop36h 15mMultiple Airlines
Deal found 11/24$1,652
This Expedia deal was found by Cheapflights users on 11/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:05 pmSEA - GUM
1 stop32h 30mMultiple Airlines
Tue 12/24:35 pmGUM - SEA
1 stop36h 15mMultiple Airlines
Deal found 11/24$1,790
This Delta deal was found by Cheapflights users on 11/25. 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
Mon 12/294:50 pmGUM - SEA
1 stop38h 30mDelta
Deal found 11/25$2,004
This Delta deal was found by Cheapflights users on 11/25. 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 12/255:25 amSEA - GUM
2 stops23h 40mDelta
Tue 12/304:50 pmGUM - SEA
1 stop38h 30mDelta
Deal found 11/25$2,008
This Delta deal was found by Cheapflights users on 11/25. 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
Sat 12/271:00 amGUM - SEA
1 stop30h 20mDelta
Deal found 11/25$2,054
This Delta deal was found by Cheapflights users on 11/25. 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 12/2311:30 amSEA - GUM
1 stop33h 05mDelta
Tue 12/304:50 pmGUM - SEA
1 stop38h 30mDelta
Deal found 11/25$2,169

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 26, 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

Thu 2/26

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Wed 3/4

4:50 pm-1:20 pm

1 stop38h 30m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 4/15

12:45 pm-3:15 pm

1 stop33h 30m

Tamuning Guam Intl

Mon 4/27

5:00 pm-2:00 pm

1 stop38h 00m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 2/24

11:25 am-2:35 pm

1 stop33h 10m

Tamuning Guam Intl

Mon 3/2

1:00 am-1:20 pm

1 stop30h 20m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 2/24

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Wed 3/4

1:00 am-8:46 pm

2 stops37h 46m

$1,548

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 2/24

11:25 am-2:35 pm

1 stop33h 10m

Tamuning Guam Intl

Tue 3/3

1:00 am-8:46 pm

2 stops37h 46m

$1,548

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 12/3

11:10 pm-1:20 am

2 stops56h 10m

$684

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 12/4

5:50 pm-3:15 pm

2 stops51h 25m

$748

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 12/11

11:24 am-11:00 pm

2 stops41h 36m

$869

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 4/4

12:45 pm-3:15 pm

1 stop33h 30m

$1,396

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

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, 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 26, 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 26, 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
7,999 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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
7,999 reviews
Delta
7.9
Good
7,999 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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
9,046 reviews
Delta
7.9
Good
7,999 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

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

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.

Alternative routes for Seattle to Guam

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Auckland flights
Seattle to Sydney flights
Seattle to Melbourne flights
Seattle to Papeete flights
Portland to Sydney flights
Portland to Auckland flights
Seattle to Brisbane flights
Portland to Melbourne flights
Seattle to Perth flights
Seattle to Tamuning flights
Seattle to Christchurch flights
Spokane to Auckland flights
Seattle to Avalon flights
Portland to Avalon flights
Portland to Brisbane flights
Pasco to Auckland flights
Seattle to Nadi flights
Seattle to Rarotonga flights
Seattle to Queenstown flights
Portland to Papeete flights
Portland to Christchurch flights
Seattle to Vaitape flights
Seattle to Wellington flights
Seattle to Apia flights
Portland to Queenstown flights
Seattle to Canberra flights
Portland to Nadi flights
Seattle to Adelaide flights
Seattle to Labasa flights
Portland to Tamuning flights
Portland to Perth flights
Seattle to Koror flights
Portland to Adelaide flights
Seattle to I Fadang flights
Seattle to Suva flights
Seattle to Maroochydore flights
Seattle to Coolangatta flights
Portland to Vaitape flights
Seattle to Savusavu flights
Seattle to Taveuni Island flights
Spokane to Sydney flights
Portland to Suva flights
Seattle to Hobart flights
Portland to Rarotonga flights
Portland to Wellington flights
Seattle to Pago Pago flights
Pasco to Melbourne flights
Spokane to Papeete flights
Spokane to Tamuning flights
Spokane to Nadi flights

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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$483Average$1,966FlexibilityNo 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.