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$1,322+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,428
(United Airlines)

One-way from

$1,322
(Delta)

Popular in

August

Cheapest in

February

Average price

$1,721
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. 4% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 11/117:10 amGUM - SEA
2 stops34h 05mUnited Airlines
Fri 11/215:30 amSEA - GUM
2 stops19h 20mUnited Airlines
Deal found 6/10$1,428
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 11/14:50 pmGUM - SEA
1 stop38h 30mDelta
Sat 11/1511:15 amSEA - GUM
1 stop33h 20mDelta
Deal found 6/11$1,483

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 June 12, 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 11/11

7:10 am-11:15 pm

2 stops34h 05m

Seattle/Tacoma Intl

Fri 11/21

5:30 am-6:50 pm

2 stops19h 20m

$1,428

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Sat 11/1

4:50 pm-2:20 pm

1 stop38h 30m

Seattle/Tacoma Intl

Sat 11/15

11:15 am-2:35 pm

1 stop33h 20m

$1,483

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Wed 7/23

1:55 am-2:00 pm

1 stop29h 05m

$1,322

TamuningSeattle

GUM - SEA

GUMSEA

Tamuning Guam Intl

Thu 7/24

7:15 am-8:56 pm

3 stops30h 41m

$1,390

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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, January is the cheapest month in which you can book a flight from Tamuning to Seattle (average of $238). Flying from Tamuning to Seattle in July is currently the most expensive (average of $391). 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 GUM to SEA?

Find hourly flight availability from Tamuning 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 June 12, 2025.

One of the essential ways to save on airfare from Tamuning to Seattle is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 4% on airfare.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 Tamuning to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Flying on United Airlines is currently your cheapest option to Seattle, with prices starting at $1,428. Another option worth looking into is Delta, starting at $1,483 round trip. You may be able to fly from Tamuning to Seattle for 7% 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, January is the cheapest month in which you can book a flight from Tamuning to Seattle (average of $238). Flying from Tamuning to Seattle in July is currently the most expensive (average of $391). 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 Tamuning?

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

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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 airline flying from Tamuning to Seattle

Discover the top airline 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,380Average$1,589FlexibilityNo cancel feeOn-time69%

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