HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$635+ Cheap flights from Guam to Seattle (SEA)

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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SEA
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Guam to Seattle 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 Guam to Seattle

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

Round-trip from

$1,381
(United Airlines)

One-way from

$635
(Kiwi.com)

Popular in

June

Cheapest in

July

Average price

$1,689
From Guam to Seattle/Tacoma Intl
Search Deals
One-way flight from Guam to Seattle/Tacoma Intl
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Guam to Seattle

Cheapest flights from Guam to Seattle
Explore the most affordable flight options available from Guam to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:05 pmGUM - SEA
2 stops36h 19mUnited Airlines
Sun 10/56:35 amSEA - GUM
2 stops42h 30mUnited Airlines
Deal found 8/13$1,381
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:20 amGUM - SEA
2 stops30h 34mUnited Airlines
Sat 9/201:05 pmSEA - GUM
2 stops60h 00mUnited Airlines
Deal found 8/14$1,512
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.
Sun 9/71:55 amGUM - SEA
1 stop28h 45mDelta
Sat 9/2012:35 pmSEA - GUM
1 stop33h 40mDelta
Deal found 8/15$1,533
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:15 amGUM - SEA
2 stops28h 34mUnited Airlines
Sat 9/65:35 pmSEA - GUM
2 stops55h 30mUnited Airlines
Deal found 8/15$1,714
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.
Thu 8/281:55 amGUM - SEA
1 stop29h 06mDelta
Sat 9/612:35 pmSEA - GUM
1 stop18h 35mDelta
Deal found 8/14$1,733

Cheapflights Fare Finder

 
Customize your flight search to find flights from Guam to Seattle 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 Guam to Seattle that are best for you.

Fly from

Guam

Fly to

Seattle

Route

Depart

Return

Price

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Sun 9/28

7:05 pm-2:24 pm

2 stops36h 19m

Seattle/Tacoma Intl

Sun 10/5

6:35 am-6:05 pm

2 stops42h 30m

$1,381

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Mon 9/8

7:20 am-8:54 pm

2 stops30h 34m

Seattle/Tacoma Intl

Sat 9/20

1:05 pm-6:05 pm

2 stops60h 00m

$1,512

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Sun 9/7

1:55 am-1:40 pm

1 stop28h 45m

Seattle/Tacoma Intl

Sat 9/20

12:35 pm-12:10 am

1 stop18h 35m

$1,533

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Sat 9/27

2:25 am-2:45 pm

1 stop29h 20m

$635

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Mon 9/29

2:25 am-11:38 am

3 stops26h 13m

$648

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Sat 10/4

5:10 pm-2:35 pm

1 stop38h 25m

$677

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Sun 9/28

2:25 am-11:38 am

3 stops26h 13m

$694

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Sun 10/19

2:25 am-2:35 pm

1 stop29h 10m

$733

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Thu 8/21

3:40 am-11:12 pm

2 stops36h 32m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Best time to book a flight from Guam to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Guam 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 Guam to Seattle

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

Find hourly flight availability from Guam to Seattle. 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.

When flying from Guam to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated August 16, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Guam to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,985 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,985 reviews
Delta
8.0
Very good
7,985 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,985 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

Find useful and relevant information for your journey from Guam to Seattle. 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 into for flights to Seattle from Guam?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Guam to Seattle.

  • Can I find deals for flights from Guam to Seattle that include hotel bookings?

    Yes. In addition to deals on Guam to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Guam to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guam to Seattle.

  • Can I find deals for business class flights from Guam to Seattle?

    Yes. Cheapflights offers flight deals from Guam to Seattle 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 Guam to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Guam to Seattle (average of $238). Flying from Guam to Seattle in June is currently the most expensive (average of $389). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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 Guam to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Seattle flights
Brisbane to Seattle flights
Sydney to Portland flights
Melbourne to Seattle flights
Tamuning to Seattle flights
Perth to Portland flights
Auckland to Seattle flights
Brisbane to Portland flights
Melbourne to Portland flights
Perth to Seattle flights
Launceston to Seattle flights
Queenstown to Seattle flights
Nadi to Seattle flights
Wellington to Seattle flights
Adelaide to Portland flights
Canberra to Seattle flights
Auckland to Portland flights
Cairns to Seattle flights
Christchurch to Spokane flights
Melbourne to Spokane flights
Canberra to Portland flights
Christchurch to Portland flights
Brisbane to Pasco flights
Port Vila to Portland flights
Cairns to Portland flights
Pago Pago to Portland flights
Tamuning to Portland flights

Top 3 airlines flying from Guam to Seattle

Discover the top 3 airlines that operate flights from Guam to Seattle. 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
Jin AirCheapest$285Average$341FlexibilityNo cancel feeOn-time78%
DeltaCheapest$726Average$726FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,384Average$1,627FlexibilityNo cancel feeOn-time69%

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.