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$601+ Cheap flights from Tamuning (GUM) 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SEA
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Tamuning to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Tamuning (GUM) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,258
(Kiwi.com)

One-way from

$601
(Kiwi.com)

Popular in

October

Cheapest in

July

Average price

$1,959
Provider with most accurate pricing for Tamuning Guam Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Tamuning Guam Intl-Seattle/Tacoma Intl flights.
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From Tamuning Guam Intl to Seattle/Tacoma Intl
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One-way flight from Tamuning Guam Intl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 6% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Tamuning to Seattle

Cheapest flights from Tamuning to Seattle
Explore the most affordable flight options available from Tamuning to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/1712:20 amGUM - SEA
1 stop31h 25mMultiple Airlines
Fri 1/211:10 pmSEA - GUM
2 stops56h 00mMultiple Airlines
Deal found 10/27$1,258
This Delta deal was found by Cheapflights users on 10/27. 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 12/171:00 amGUM - SEA
1 stop30h 20mDelta
Fri 1/211:25 amSEA - GUM
1 stop17h 40mDelta
Deal found 10/27$1,633
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/187:05 amGUM - SEA
2 stops27h 47mUnited Airlines
Fri 1/212:35 pmSEA - GUM
2 stops36h 25mUnited Airlines
Deal found 10/27$1,652
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/102:20 amGUM - SEA
2 stops36h 18mMultiple Airlines
Thu 12/181:40 pmSEA - GUM
1 stop39h 20mMultiple Airlines
Deal found 10/26$1,818

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tamuning 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 October 29, 2025.
Use the filters below to find and compare flights from Tamuning to Seattle that are best for you.

Fly from

Tamuning

Fly to

Seattle

Route

Depart

Return

Price

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Tue 4/14

7:05 am-9:29 pm

2 stops31h 24m

Seattle/Tacoma Intl

Thu 4/30

5:15 am-6:05 pm

2 stops19h 50m

$1,377

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Tue 4/14

5:00 pm-2:00 pm

1 stop38h 00m

Seattle/Tacoma Intl

Thu 4/30

4:55 pm-3:15 pm

2 stops53h 20m

$1,438

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Thu 4/23

7:05 am-8:10 am

2 stops42h 05m

Seattle/Tacoma Intl

Sun 4/26

5:00 pm-6:05 pm

2 stops56h 05m

$1,463

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Wed 12/17

1:00 am-1:20 pm

1 stop30h 20m

Seattle/Tacoma Intl

Fri 1/2

11:25 am-11:05 pm

1 stop17h 40m

$1,633

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Thu 12/18

12:30 pm-9:17 pm

3 stops26h 47m

Seattle/Tacoma Intl

Fri 1/2

12:35 pm-7:00 pm

2 stops36h 25m

$1,659

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Fri 1/23

2:40 am-1:45 pm

1 stop29h 05m

$601

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Fri 1/16

2:40 am-1:45 pm

1 stop29h 05m

$603

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Tue 3/24

4:50 pm-2:20 pm

1 stop38h 30m

$1,247

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Tamuning to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Tamuning to Seattle in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Tamuning-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Tamuning-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Tamuning-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Tamuning-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tamuning-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Tamuning to Seattle

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

What is the cheapest month to book a flight from Tamuning to Seattle?

Currently, July is the cheapest month in which you can book a flight from Tamuning to Seattle (average of $285). Flying from Tamuning to Seattle in October is currently the most expensive (average of $1,959). 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.

How much does it cost to fly round-trip from Tamuning to Seattle?

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 October 29, 2025.
Read reviews from past customers who have flown Jin Air, Delta, and United Airlines from Tamuning to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jin Air
8.7
Very good
20 reviews

Overall

8.7

Comfort

8.3

Entertainment

7.9

Food

7.9

Boarding

8.8

Crew

9.1
Jin Air
8.7
Very good
20 reviews
Jin Air
8.7
Very good
20 reviews

Overall

8.7

Comfort

8.3

Entertainment

7.9

Food

7.9

Boarding

8.8

Crew

9.1
Delta
7.9
Good
7,993 reviews
Jin Air
8.7
Very good
20 reviews

Overall

8.7

Comfort

8.3

Entertainment

7.9

Food

7.9

Boarding

8.8

Crew

9.1
United Airlines
7.4
Good
8,998 reviews
Jin Air
8.7
Very good
20 reviews

Overall

8.7

Comfort

8.3

Entertainment

7.9

Food

7.9

Boarding

8.8

Crew

9.1

Related info for your journey

Find useful and relevant information for your journey from Tamuning to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Tamuning to Seattle?

    For as low as $1,377, United Airlines can have you in Seattle from Tamuning in 31h 24m. There are 5664 mi between Tamuning and Seattle. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Tamuning to Seattle round-trip?

    Flying on Jin Air is currently your cheapest option to Seattle, with prices starting at $285. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $726 and $1,384, respectively. You may be able to fly from Tamuning to Seattle for 81% less than the average price by searching for these airlines.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Tamuning to Seattle (average of $285). Flying from Tamuning to Seattle in October is currently the most expensive (average of $1,959). 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
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Tacoma
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Alternative routes for Tamuning to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Tamuning to Portland flights

Top 3 airlines flying from Tamuning to Seattle

Discover the top 3 airlines that operate flights from Tamuning 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Jin AirCheapest$285Average$341FlexibilityNo cancel feeOn-time78%
DeltaCheapest$726Average$726FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,384Average$1,634FlexibilityNo cancel feeOn-time69%

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