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Guam

$582+ Cheap flights from Washington 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GUM
ene. 20 — ene. 271
mar. 1/20
mar. 1/27
1 adult, Economy
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Cheap flight deals from Washington to Guam

Cheapest flights from Washington to Guam
Explore the most affordable flight options available from Washington to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/20. 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.
jue. 12/251:40 pmSEA - GUM
1 stop39h 20mMultiple Airlines
dom. 12/283:25 amGUM - SEA
1 stop28h 20mMultiple Airlines
Deal found 12/20$1,550
This Kiwi.com deal was found by Cheapflights users on 12/20. 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.
mié. 12/241:40 pmSEA - GUM
1 stop18h 45mMultiple Airlines
vie. 12/264:10 pmGUM - SEA
1 stop39h 35mMultiple Airlines
Deal found 12/20$1,557
This Kiwi.com deal was found by Cheapflights users on 12/19. 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.
vie. 12/261:40 pmSEA - GUM
1 stop39h 20mMultiple Airlines
lun. 1/52:40 amGUM - SEA
2 stops46h 35mMultiple Airlines
Deal found 12/19$1,958
This Kiwi.com deal was found by Cheapflights users on 12/19. 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.
mié. 12/241:40 pmSEA - GUM
1 stop18h 45mMultiple Airlines
lun. 1/52:40 amGUM - SEA
2 stops46h 35mMultiple Airlines
Deal found 12/19$1,966
This Delta deal was found by Cheapflights users on 12/20. 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.
jue. 12/2511:30 amSEA - GUM
1 stop17h 35mDelta
dom. 12/281:00 amGUM - SEA
2 stops37h 45mDelta
Deal found 12/20$2,408
This Delta deal was found by Cheapflights users on 12/19. 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.
mar. 12/2311:30 amSEA - GUM
1 stop17h 35mDelta
mié. 1/74:50 pmGUM - SEA
1 stop38h 30mDelta
Deal found 12/19$2,479
This Delta deal was found by Cheapflights users on 12/20. 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.
vie. 12/2611:30 amSEA - GUM
1 stop17h 35mDelta
lun. 1/51:00 amGUM - SEA
1 stop30h 20mDelta
Deal found 12/20$2,550
This United Airlines deal was found by Cheapflights users on 12/19. 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.
mar. 12/235:00 amSEA - GUM
2 stops20h 00mUnited Airlines
mié. 1/77:40 amGUM - SEA
3 stops31h 32mUnited Airlines
Deal found 12/19$2,707
This United Airlines deal was found by Cheapflights users on 12/19. 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.
sáb. 12/203:35 pmPDX - GUM
2 stops57h 25mUnited Airlines
vie. 12/267:40 amGUM - PDX
2 stops29h 08mUnited Airlines
Deal found 12/19$2,999

Find flight deals from Washington to Guam

Keep the following information in mind while searching for Washington to Guam flight deals. Data was last updated diciembre 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,404
(Kiwi.com)

One-way from

$582
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$2,574
Provider with most accurate pricing for Seattle/Tacoma Intl-Tamuning Guam Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Tamuning Guam Intl flights.
Search Deals
From Washington to Guam
Search Deals
One-way flight from Washington to Guam
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 diciembre 21, 2025.
Use the filters below to find and compare flights from Washington to Guam that are best for you.

Fly from

Washington

Fly to

Guam

Route

Depart

Return

Price

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

lun. 4/13

1:00 pm-3:15 pm

1 stop33h 15m

Tamuning Guam Intl

dom. 4/19

5:00 pm-1:07 pm

1 stop37h 07m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

mié. 4/15

5:45 am-3:15 pm

2 stops40h 30m

Tamuning Guam Intl

lun. 4/27

5:00 pm-1:07 pm

1 stop37h 07m

$1,548

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

jue. 2/5

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

mié. 3/18

1:00 am-2:20 pm

1 stop30h 20m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

mar. 2/3

11:25 am-2:35 pm

1 stop33h 10m

Tamuning Guam Intl

dom. 3/22

1:00 am-2:20 pm

1 stop30h 20m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

mar. 2/3

11:25 am-2:35 pm

1 stop33h 10m

Tamuning Guam Intl

mié. 3/18

4:50 pm-2:20 pm

1 stop38h 30m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

jue. 1/29

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

dom. 2/15

1:00 am-1:20 pm

1 stop30h 20m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

mié. 2/4

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

lun. 2/16

4:50 pm-1:20 pm

1 stop38h 30m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

mar. 2/3

11:25 am-2:35 pm

1 stop33h 10m

Tamuning Guam Intl

lun. 2/16

4:50 pm-1:20 pm

1 stop38h 30m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

lun. 2/9

11:25 am-2:35 pm

1 stop33h 10m

Tamuning Guam Intl

dom. 2/22

1:00 am-1:20 pm

1 stop30h 20m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

sáb. 3/21

12:35 pm-2:35 pm

1 stop33h 00m

Tamuning Guam Intl

dom. 3/29

5:00 pm-1:07 pm

1 stop37h 07m

$1,594

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 33 results
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Best time to book a flight from Washington to Guam

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

What is the cheapest month to book a flight from State of Washington to Guam?

Currently, June is the cheapest month in which you can book a flight from State of Washington to Guam (average of $326). Flying from State of Washington to Guam in December is currently the most expensive (average of $1,984). 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 WA to GU?

Find hourly flight availability from Washington 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 diciembre 21, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from State of Washington to Guam by exploring options for tickets at noon.

Related info for your journey

Find useful and relevant information for your journey from Washington to Guam. 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 State of Washington to Guam?

    There are many flights that can get you from State of Washington to Guam in 33h 15m. Fly via Delta or United Airlines to get the fastest option. There are 5664 mi between State of Washington and Guam. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Guam?

    Currently, June is the cheapest month in which you can book a flight from State of Washington to Guam (average of $326). Flying from State of Washington to Guam in December is currently the most expensive (average of $1,984). 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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Top 2 airlines flying from Washington to Guam

Discover the top 2 airlines that operate flights from Washington 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 diciembre 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$483Average$2,189FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,543Average$1,594FlexibilityNo cancel feeOn-timeN/A

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