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$1,574+ Cheap flights from Seattle (SEA) to Guam

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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GUM
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Seattle to Guam

Keep the following information in mind while searching for Seattle to Guam flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,593
(Delta)

One-way from

$1,574
(United)

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 Guam
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One-way flight from Seattle/Tacoma Intl to Guam
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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 Guam

Cheapest flights from Seattle to Guam
Explore the most affordable flight options available from Seattle to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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.
Sun 5/1112:40 pmSEA - GUM
1 stop33h 35mDelta
Sun 5/185:00 pmGUM - SEA
1 stop37h 35mDelta
Deal found 3/27$1,643
This United Airlines deal was found by Cheapflights users on 3/27. 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 9/256:35 amSEA - GUM
2 stops18h 30mUnited Airlines
Mon 10/66:55 amGUM - SEA
3 stops31h 17mUnited Airlines
Deal found 3/27$1,817
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:15 amSEA - GUM
1 stop16h 50mMultiple Airlines
Mon 10/66:55 amGUM - SEA
2 stops23h 20mMultiple Airlines
Deal found 3/27$2,158

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Guam 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 28, 2025.
Use the filters below to find and compare flights from Seattle to Guam that are best for you.

Fly from

Seattle

Fly to

Guam

Route

Depart

Return

Price

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 5/11

12:40 pm-3:15 pm

1 stop33h 35m

Tamuning Guam Intl

Sun 5/18

5:00 pm-1:35 pm

1 stop37h 35m

$1,643

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 6/20

5:10 am-6:05 pm

2 stops19h 55m

Tamuning Guam Intl

Thu 6/26

5:00 pm-10:06 pm

2 stops46h 06m

$2,053

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 4/10

7:45 am-6:15 pm

1 stop17h 30m

Tamuning Guam Intl

Thu 4/17

7:00 am-6:07 pm

2 stops28h 07m

$2,740

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 3/31

7:33 pm-6:15 pm

2 stops29h 42m

$1,574

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 6/4

1:45 pm-2:40 pm

1 stop31h 55m

$1,724

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 3/31

7:45 am-6:15 pm

1 stop17h 30m

$2,072

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Best time to book a flight from Seattle to Guam

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

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Guam (average of $1,977). Flying from Seattle to Guam 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 GU?

Find hourly flight availability from Seattle to Guam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Guam as you normally would.

Rainfall in Guam by month

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

In terms of precipitation, rainfall in Guam 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 Guam when rainfall is around 2.6 in.

Temperature in Guam by month

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

If weather is an important factor for your trip to Guam, 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 Guam

Get insights into the airlines that provide service to Guam. 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 Guam. Reviews last updated March 28, 2025.
Get a feel of what it's like to fly with Delta, Hawaiian Airlines and United Airlines from Seattle to Guam 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
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

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
2,336 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

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
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

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 Guam. 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 from for flights from Seattle to Guam?

    For a flight from Seattle to Guam, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Guam (average of $1,977). Flying from Seattle to Guam 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 Guam

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Top 2 airlines flying from Seattle to Guam

Discover the top 2 airlines that operate flights from Seattle to Guam. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,434Average$2,152FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,542Average$1,677FlexibilityNo cancel feeOn-timeN/A
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