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$910+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GUM
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Washington to Guam

Keep the following information in mind while searching for Washington to Guam flight deals. Data was last updated July 31, 2025.

Round-trip from

$1,549
(Delta)

One-way from

$910
(Expedia)

Popular in

December

Cheapest in

March

Average price

$2,014
From Washington to Guam
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One-way flight from Washington to Guam
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Highest demand for flights based on searches. 5% potential increase in price ($103 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 July 2025
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Find 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 July 31, 2025.

This Delta deal was found by Cheapflights users on 7/30. 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 10/611:55 pmSEA - GUM
2 stops31h 15mDelta
Tue 10/141:55 amGUM - SEA
1 stop28h 35mDelta
Deal found 7/30$1,549
This United Airlines deal was found by Cheapflights users on 7/29. 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 stops33h 50mUnited Airlines
Deal found 7/29$1,817
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/307:35 pmPDX - GUM
2 stops29h 30mUnited Airlines
Wed 10/87:10 amGUM - PDX
2 stops28h 23mUnited Airlines
Deal found 7/31$1,817
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 10/156:32 amPSC - GUM
2 stops40h 23mUnited Airlines
Tue 10/287:25 amGUM - PSC
2 stops21h 16mUnited Airlines
Deal found 7/30$1,838
This Delta deal was found by Cheapflights users on 7/29. 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.
Wed 9/179:17 amPDX - GUM
2 stops36h 58mDelta
Mon 9/291:55 amGUM - PDX
2 stops36h 01mDelta
Deal found 7/29$1,903
This Delta deal was found by Cheapflights users on 7/28. 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 9/205:00 amGEG - GUM
2 stops41h 15mDelta
Sat 9/275:00 pmGUM - GEG
2 stops40h 45mDelta
Deal found 7/28$2,003
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 9/241:45 pmSEA - GUM
1 stop31h 55mHawaiian Airlines
Wed 10/14:40 pmGUM - SEA
1 stop35h 50mHawaiian Airlines
Deal found 7/31$2,026
This Delta deal was found by Cheapflights users on 7/31. 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 11/295:35 amPSC - GUM
2 stops39h 00mDelta
Wed 12/34:50 pmGUM - PSC
2 stops45h 02mDelta
Deal found 7/31$2,153
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 10/412:35 pmGEG - GUM
2 stops60h 30mUnited Airlines
Wed 10/87:05 pmGUM - GEG
2 stops45h 10mUnited Airlines
Deal found 7/28$2,182
This United deal was found by Cheapflights users on 7/31. 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.
Sat 10/115:26 pmSEA - GUM
2 stops55h 39mMultiple Airlines
Sat 10/257:10 amGUM - SEA
1 stop16h 50mMultiple Airlines
Deal found 7/31$2,275

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 July 31, 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

Mon 10/6

11:55 pm-12:10 am

2 stops31h 15m

Tamuning Guam Intl

Tue 10/14

1:55 am-1:30 pm

1 stop28h 35m

$1,549

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 9/30

7:35 pm-6:05 pm

2 stops29h 30m

Tamuning Guam Intl

Wed 10/8

7:10 am-6:33 pm

2 stops28h 23m

$1,817

PascoTamuning

PSC - GUM

PSCGUM

Pasco Tri Cities

Wed 10/15

6:32 am-3:55 pm

2 stops40h 23m

Tamuning Guam Intl

Tue 10/28

7:25 am-11:41 am

2 stops21h 16m

$1,838

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 10/6

5:00 am-6:05 pm

2 stops20h 05m

Tamuning Guam Intl

Wed 10/15

12:30 pm-9:15 pm

3 stops25h 45m

$1,845

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 9/17

9:17 am-3:15 pm

2 stops36h 58m

Tamuning Guam Intl

Mon 9/29

1:55 am-8:56 pm

2 stops36h 01m

$1,903

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Sat 9/20

5:00 am-3:15 pm

2 stops41h 15m

Tamuning Guam Intl

Sat 9/27

5:00 pm-4:45 pm

2 stops40h 45m

$2,003

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 9/24

1:45 pm-2:40 pm

1 stop31h 55m

Tamuning Guam Intl

Wed 10/1

4:40 pm-11:30 am

1 stop35h 50m

$2,026

PascoTamuning

PSC - GUM

PSCGUM

Pasco Tri Cities

Sat 11/29

5:35 am-2:35 pm

2 stops39h 00m

Tamuning Guam Intl

Wed 12/3

4:50 pm-7:52 pm

2 stops45h 02m

$2,153

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Sat 10/4

12:35 pm-6:05 pm

2 stops60h 30m

Tamuning Guam Intl

Wed 10/8

7:05 pm-11:15 pm

2 stops45h 10m

$2,182

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sat 10/11

5:26 pm-6:05 pm

2 stops55h 39m

Tamuning Guam Intl

Sat 10/25

7:10 am-7:00 am

1 stop16h 50m

$2,275

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 17 results
1
2

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, January is the cheapest month in which you can book a flight from State of Washington to Guam (average of $1,977). Flying from State of Washington 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 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 July 31, 2025.

When flying from State of Washington to Guam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 31, 2025.
Get a feel of what it's like to fly with Delta, Hawaiian Airlines, and United Airlines from Washington 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
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

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
7.8
Good
2,611 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

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 Washington to Guam. 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 to fly from State of Washington to Guam one-way?

    One-way options have recently been found by users for as low as $987 on Hawaiian Airlines. Other airlines that offer cheap prices include Delta from $1,396 and United Airlines from $1,574 one-way.

  • 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, January is the cheapest month in which you can book a flight from State of Washington to Guam (average of $1,977). Flying from State of Washington 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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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$702Average$2,121FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,542Average$1,642FlexibilityNo cancel feeOn-timeN/A

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