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$1,247+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SEA
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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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 July 1, 2025.

Round-trip from

$1,378
(United Airlines)

One-way from

$1,247
(Delta)

Popular in

August

Cheapest in

July

Average price

$726
From Guam to Seattle/Tacoma Intl
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One-way flight from Guam to Seattle/Tacoma Intl
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High demand for flights, 11% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 1, 2025.

This United Airlines deal was found by Cheapflights users on 6/30. 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 9/227:20 amGUM - SEA
2 stops24h 54mUnited Airlines
Tue 10/147:00 amSEA - GUM
2 stops42h 05mUnited Airlines
Deal found 6/30$1,378
This Delta deal was found by Cheapflights users on 6/30. 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 9/211:55 amGUM - SEA
1 stop28h 45mDelta
Tue 10/146:05 amSEA - GUM
2 stops25h 05mDelta
Deal found 6/30$1,519

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 July 1, 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

Mon 9/22

7:20 am-3:14 pm

2 stops24h 54m

Seattle/Tacoma Intl

Tue 10/14

7:00 am-6:05 pm

2 stops42h 05m

$1,378

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Sun 9/21

1:55 am-1:40 pm

1 stop28h 45m

Seattle/Tacoma Intl

Tue 10/14

6:05 am-12:10 am

2 stops25h 05m

$1,519

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Fri 9/19

1:55 am-1:40 pm

1 stop28h 45m

$1,247

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Thu 7/24

7:15 am-8:56 pm

3 stops30h 41m

$1,390

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Fri 7/11

4:40 pm-11:40 am

1 stop36h 00m

$6,062

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 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 July is currently the most expensive (average of $390). 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 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 July 1, 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 July 1, 2025.
Get a feel of what it's like to fly with Delta, Hawaiian Airlines, 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
7,973 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Hawaiian Airlines
7.8
Good
2,539 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,858 reviews
Delta
8.0
Very good
7,973 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Guam to Seattle one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $1,247. United Airlines flights start at $1,390 while deals on Hawaiian Airlines start at $6,062 one-way.

  • 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 July is currently the most expensive (average of $390). 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 Guam?

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

Browse thousands of different options on Cheapflights for your next trip

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Jin AirCheapest$285Average$341FlexibilityNo cancel feeOn-time78%
DeltaCheapest$726Average$726FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,380Average$1,628FlexibilityNo cancel feeOn-time69%

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