Tamuning

$1,400+ Cheap flights from Washington 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 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
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Tamuning with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Tamuning

Keep the following information in mind while searching for Washington to Tamuning 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

$1,400
(Delta)

Popular in

December

Cheapest in

March

Average price

$1,653
Provider with most accurate pricing for Seattle/Tacoma Intl-Tamuning Guam Intl flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Tamuning Guam Intl flights.
From Washington to Tamuning Guam Intl
One-way flight from Washington to Tamuning Guam Intl
Highest demand for flights based on searches. 4% potential increase in price ($82 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in March 2025

Find flight deals from Washington to Tamuning

Cheapest flights from Washington to Tamuning
Explore the most affordable flight options available from Washington to Tamuning. 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 Delta deal was found by Cheapflights users on 3/25. 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 4/2312:59 amPDX - GUM
2 stops45h 16mDelta
Thu 5/15:00 pmGUM - PDX
2 stops40h 32mDelta
Deal found 3/25$1,952
This United Airlines deal was found by Cheapflights users on 3/26. 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 12/225:45 amPDX - GUM
2 stops19h 15mUnited Airlines
Fri 1/27:25 amGUM - PDX
2 stops30h 40mUnited Airlines
Deal found 3/26$1,967
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.
Thu 4/249:05 amGEG - GUM
2 stops37h 10mDelta
Thu 5/15:00 pmGUM - GEG
2 stops46h 50mDelta
Deal found 3/27$1,993
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 Washington 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 28, 2025.
Use the filters below to find and compare flights from Washington to Tamuning that are best for you.

Fly from

Washington

Fly to

Tamuning

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

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 4/23

12:59 am-3:15 pm

2 stops45h 16m

Tamuning Guam Intl

Thu 5/1

5:00 pm-4:32 pm

2 stops40h 32m

$1,952

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Thu 4/24

9:05 am-3:15 pm

2 stops37h 10m

Tamuning Guam Intl

Thu 5/1

5:00 pm-10:50 pm

2 stops46h 50m

$1,993

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

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 6/7

7:41 pm-6:05 pm

2 stops29h 24m

Tamuning Guam Intl

Sat 6/14

5:00 pm-2:46 pm

2 stops38h 46m

$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

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 4/1

5:30 am-3:15 pm

2 stops40h 45m

$1,400

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 3/31

7:33 pm-6:15 pm

2 stops29h 42m

$1,574

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 4/1

7:30 pm-6:15 pm

2 stops29h 45m

$1,574

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 6/4

1:45 pm-2:40 pm

1 stop31h 55m

$1,724

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 11 results
1
2

Best time to book a flight from Washington to Tamuning

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

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

Currently, January is the cheapest month in which you can book a flight from State of Washington to Tamuning (average of $1,977). Flying from State of Washington 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 WA to GUM?

Find hourly flight availability from Washington 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 28, 2025.

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

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 28, 2025.
To help decide which airline to fly from Washington to Tamuning, see what other customers have to say about Delta, Hawaiian Airlines and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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.
8.0
Very good
8.0
Very good

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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.
8.0
Very good

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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.
8.0
Very good

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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 Washington to Tamuning. 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 into for flights to Tamuning from Washington?

    Most people fly into Tamuning Guam Intl (GUM) if they book a flight to Tamuning from Washington. Guam Intl is conveniently located just 1.1 mi from Tamuning’s city center.

  • What are the cheapest airlines to fly from State of Washington to Tamuning one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $1,400. However, be on the lookout for offers from United Airlines and Hawaiian Airlines, as they are both options that can get you from State of Washington to Tamuning for a low price.

  • What are the most popular routes from State of Washington to Tamuning?

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

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Tamuning

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Washington to Tamuning

Discover the top 2 airlines that operate flights from Washington 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,434Average$2,072FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,542Average$1,677FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.