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Tamuning

$1,313+ Cheap flights from Seattle (SEA) to Tamuning (GUM)

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GUM
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Tamuning Guam Intl are usually found in March or January, booked 54 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Seattle to Tamuning

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Tamuning (GUM). 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

$1,544
(Delta)

One-way from

$1,313
(Hawaiian Airlines)

Popular in

December

Cheapest in

March

Average price

$2,149
From Seattle/Tacoma Intl to Tamuning Guam Intl
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One-way flight from Seattle/Tacoma Intl to Tamuning Guam Intl
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Highest demand for flights based on searches. 4% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($39 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 Seattle to Tamuning

Cheapest flights from Seattle to Tamuning
Explore the most affordable flight options available from Seattle to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:25 pmSEA - GUM
1 stop33h 50mDelta
Mon 10/131:55 amGUM - SEA
1 stop28h 35mDelta
Deal found 6/10$1,544
This United Airlines deal was found by Cheapflights users on 6/9. 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 11/205:30 amSEA - GUM
2 stops19h 20mUnited Airlines
Thu 12/47:25 amGUM - SEA
3 stops31h 47mUnited Airlines
Deal found 6/9$1,817
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:55 pmSEA - GUM
1 stop30h 10mMultiple Airlines
Sun 10/127:10 amGUM - SEA
2 stops21h 46mMultiple Airlines
Deal found 6/10$2,221
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/191:40 pmSEA - GUM
1 stop32h 00mHawaiian Airlines
Sat 7/124:40 pmGUM - SEA
1 stop36h 00mHawaiian Airlines
Deal found 6/12$2,577

Cheapflights Fare Finder

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

Fly from

Seattle

Fly to

Tamuning

Route

Depart

Return

Price

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Tue 10/7

12:25 pm-3:15 pm

1 stop33h 50m

Tamuning Guam Intl

Mon 10/13

1:55 am-1:30 pm

1 stop28h 35m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 11/20

5:30 am-6:50 pm

2 stops19h 20m

Tamuning Guam Intl

Thu 12/4

7:25 am-9:12 pm

3 stops31h 47m

$1,817

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 10/1

6:55 pm-6:05 pm

1 stop30h 10m

Tamuning Guam Intl

Sun 10/12

7:10 am-11:56 am

2 stops21h 46m

$2,221

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 7/3

1:40 pm-2:40 pm

1 stop32h 00m

$1,313

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 7/5

12:45 pm-3:15 pm

1 stop33h 30m

$1,396

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 7/14

8:57 am-6:05 pm

3 stops40h 08m

$1,609

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Seattle to Tamuning

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

How far ahead should I book a flight from Seattle to Tamuning?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Tamuning. Price data was last updated on June 9, 2025.

The best time to book flights from Seattle to Tamuning is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Tamuning (average of $1,977). Flying from Seattle to Tamuning in May is currently the most expensive (average of $2,214). 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 GUM?

Find hourly flight availability from Seattle to Tamuning. 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.

It’s optimal to fly from Seattle to Tamuning at noon. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the morning.

Rainfall in Tamuning by month

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

In terms of precipitation, rainfall in Tamuning ranges from 2.6 - 14.4 inches per month. August is typically the wettest month, when rainfall can reach 14.4 in. March is typically the driest time to visit Tamuning when rainfall is around 2.6 in.

Temperature in Tamuning by month

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

If weather is an important factor for your trip to Tamuning, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Tamuning

Get insights into the airlines that provide service to Tamuning. 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 Tamuning. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Delta, Hawaiian Airlines and United Airlines from Seattle to Tamuning to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7.9
Good
2,494 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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 Seattle to Tamuning. 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 Seattle to Tamuning round-trip?

    Cheapflights users have booked flights from Seattle to Tamuning round-trip from $1,544. Another airline that can offer you cheap pricing is United Airlines. These flights start at 20% lower than the current average price 3 months from now.

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

    $1,313 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $1,396 and $1,609, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Tamuning (average of $1,977). Flying from Seattle to Tamuning in May is currently the most expensive (average of $2,214). 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

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Alternative routes for Seattle to Tamuning

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Seattle to Tamuning

Discover the top 2 airlines that operate flights from Seattle to Tamuning. 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$1,245Average$2,082FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,542Average$1,642FlexibilityNo cancel feeOn-timeN/A

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