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Tamuning

$1,449+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GUM
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 October, booked 4 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,593
(Delta)

One-way from

$1,449
(Hawaiian Airlines)

Popular in

December

Cheapest in

March

Average price

$1,653
Provider with most accurate pricing for Seattle/Tacoma Intl-Tamuning Guam Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Tamuning Guam Intl flights.
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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 ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 25, 2025.

This Delta deal was found by Cheapflights users on 3/24. 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.
Mon 5/512:40 pmSEA - GUM
1 stop33h 35mDelta
Mon 5/125:00 pmGUM - SEA
1 stop37h 35mDelta
Deal found 3/24$1,593
This United Airlines deal was found by Cheapflights users on 3/23. 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 9/15:15 amSEA - GUM
2 stops19h 50mUnited Airlines
Tue 9/306:55 amGUM - SEA
3 stops31h 34mUnited Airlines
Deal found 3/23$1,867
This United deal was found by Cheapflights users on 3/24. 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.
Tue 12/165:15 amSEA - GUM
2 stops19h 35mMultiple Airlines
Thu 1/87:25 amGUM - SEA
1 stop18h 05mMultiple Airlines
Deal found 3/24$2,313

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 March 25, 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

Mon 5/5

12:40 pm-3:15 pm

1 stop33h 35m

Tamuning Guam Intl

Mon 5/12

5:00 pm-1:35 pm

1 stop37h 35m

$1,593

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 5/31

5:40 pm-6:05 pm

2 stops55h 25m

Tamuning Guam Intl

Sun 6/15

5:00 pm-9:11 pm

3 stops45h 11m

$1,982

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 5/17

7:27 pm-6:15 pm

2 stops53h 48m

Tamuning Guam Intl

Sun 6/8

7:00 am-8:35 am

1 stop18h 35m

$2,603

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 5/14

1:30 pm-2:40 pm

1 stop32h 10m

$1,449

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 5/11

12:40 pm-3:15 pm

1 stop33h 35m

$1,471

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 5/16

7:33 pm-6:15 pm

2 stops29h 42m

$1,504

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Seattle to Tamuning

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 Seattle to Tamuning in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Seattle-Tamuning flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Tamuning flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Tamuning flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Tamuning flights, Cheapflights users trust FlightHub the most. FlightHub 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 Seattle-Tamuning 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 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 March 21, 2025.

The best time to book flights from Seattle to Tamuning is 4 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 March 25, 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 March 25, 2025.
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Hawaiian Airlines
7.9
Good
2,330 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $1,593. Another airline that can offer you cheap pricing is United Airlines. These flights start at 17% lower than the current average price 3 months from now.

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

    $1,449 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 $1,471 and $1,504, 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,455Average$2,135FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,542Average$1,685FlexibilityNo cancel feeOn-timeN/A
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