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 17h 40m. 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.

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.

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).

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.

$501+ Flights from Washington to Guam

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington to Guam 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 Guam

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$999 (Kiwi.com)
One-way from	$501 (Kiwi.com)
Popular in	December
Cheapest in	October
Average price	$1,898

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 ($120 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($46 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

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 November 3, 2025.

Sun 11/161:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Mon 12/112:20 amGUM - SEA

2 stops38h 18mMultiple Airlines

Deal found 11/1

$999

Sat 11/151:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Mon 12/112:20 amGUM - SEA

2 stops38h 18mMultiple Airlines

Deal found 11/1

$1,012

Sun 11/161:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Fri 12/52:20 amGUM - SEA

2 stops36h 18mMultiple Airlines

Deal found 11/1

$1,027

Sun 11/161:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Wed 12/32:20 amGUM - SEA

2 stops34h 28mMultiple Airlines

Deal found 11/1

$1,031

Sat 11/151:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Fri 12/52:20 amGUM - SEA

2 stops36h 18mMultiple Airlines

Deal found 11/1

$1,040

Sat 11/151:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Wed 12/32:20 amGUM - SEA

2 stops34h 28mMultiple Airlines

Deal found 11/1

$1,045

Sun 11/161:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Sat 12/612:20 amGUM - SEA

2 stops36h 28mMultiple Airlines

Deal found 11/1

$1,059

Sat 11/151:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Sat 12/612:20 amGUM - SEA

2 stops36h 28mMultiple Airlines

Deal found 11/1

$1,072

Fri 11/1410:28 pmPDX - GUM

2 stops54h 37mMultiple Airlines

Thu 12/42:40 amGUM - PDX

2 stops48h 52mMultiple Airlines

Deal found 11/1

$1,705

Sun 11/165:26 pmPDX - GUM

2 stops35h 39mDelta

Tue 12/21:00 amGUM - PDX

2 stops37h 52mDelta

Deal found 11/1

$1,887

Tue 12/27:10 amGEG - GUM

2 stops21h 55mDelta

Tue 12/91:00 amGUM - GEG

2 stops39h 49mDelta

Deal found 11/1

$1,903

Mon 11/179:11 amPDX - GUM

2 stops19h 54mDelta

Sun 12/71:00 amGUM - PDX

2 stops37h 52mDelta

Deal found 11/1

$1,903

Best flights from Washington to Guam
Discover carefully curated flight deals from Washington to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2025.

Sun 11/161:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Wed 11/194:10 pmGUM - SEA

2 stops22h 27mMultiple Airlines

Deal found 11/2

$1,334

Mon 2/911:25 amSEA - GUM

1 stop17h 40mDelta

Tue 2/241:00 amGUM - SEA

1 stop30h 20mDelta

Deal found 11/2

$1,544

Tue 1/205:35 amPDX - GUM

2 stops19h 30mUnited Airlines

Tue 1/277:40 amGUM - PDX

2 stops29h 16mUnited Airlines

Deal found 11/1

$1,818

Wed 4/1512:45 pmSEA - GUM

1 stop33h 30mDelta

Mon 4/275:00 pmGUM - SEA

1 stop38h 00mDelta

Deal found 11/1

$1,544

Mon 2/911:25 amSEA - GUM

1 stop17h 40mDelta

Mon 2/234:50 pmGUM - SEA

1 stop38h 30mDelta

Deal found 11/1

$1,544

Fri 11/1410:28 pmPDX - GUM

2 stops54h 37mMultiple Airlines

Thu 12/42:40 amGUM - PDX

2 stops48h 52mMultiple Airlines

Deal found 11/1

$1,705

Thu 4/212:45 pmSEA - GUM

1 stop33h 30mDelta

Tue 4/145:00 pmGUM - SEA

2 stops48h 01mDelta

Deal found 11/1

$1,549

Fri 2/206:17 amPSC - GUM

2 stops18h 48mUnited Airlines

Fri 2/277:40 amGUM - PSC

2 stops31h 10mUnited Airlines

Deal found 11/1

$1,918

Sun 4/2612:30 pmGEG - GUM

2 stops36h 35mUnited Airlines

Thu 4/307:05 amGUM - GEG

2 stops22h 35mUnited Airlines

Deal found 10/30

$2,146

Mon 1/1912:40 amPDX - GUM

2 stops28h 25mDelta

Mon 1/261:00 amGUM - PDX

2 stops35h 50mDelta

Deal found 11/1

$1,853

Sun 4/123:05 pmGEG - GUM

2 stops55h 10mDelta

Sun 4/195:00 pmGUM - GEG

2 stops45h 04mDelta

Deal found 10/31

$1,860

Tue 12/306:02 amPSC - GUM

2 stops18h 58mUnited Airlines

Tue 1/137:40 amGUM - PSC

2 stops21h 57mUnited Airlines

Deal found 11/2

$2,258

Mon 11/172:23 pmPDX - GUM

2 stops38h 42mDelta

Mon 12/11:00 amGUM - PDX

2 stops39h 40mDelta

Deal found 11/1

$1,887

Tue 12/236:00 amGEG - GUM

2 stops43h 00mUnited Airlines

Fri 1/27:40 amGUM - GEG

2 stops23h 05mUnited Airlines

Deal found 11/1

$2,327

Sun 11/165:26 pmPDX - GUM

2 stops35h 39mDelta

Tue 12/21:00 amGUM - PDX

2 stops37h 52mDelta

Deal found 11/1

$1,887

Fri 11/286:00 amGEG - GUM

2 stops18h 50mUnited Airlines

Sat 12/277:40 amGUM - GEG

2 stops23h 05mUnited Airlines

Deal found 10/31

$2,478

Sun 11/1612:35 amPDX - GUM

2 stops28h 30mDelta

Wed 12/34:50 pmGUM - PDX

2 stops49h 26mDelta

Deal found 11/1

$1,887

Sun 11/1612:35 amPDX - GUM

2 stops28h 30mDelta

Sun 12/71:00 amGUM - PDX

2 stops54h 13mDelta

Deal found 11/1

$1,887

Tue 12/27:10 amGEG - GUM

2 stops21h 55mDelta

Tue 12/91:00 amGUM - GEG

2 stops39h 49mDelta

Deal found 11/1

$1,903

Tue 12/27:15 amPDX - GUM

2 stops21h 50mDelta

Mon 12/81:00 amGUM - PDX

2 stops41h 04mDelta

Deal found 11/1

$1,903

Tue 11/185:30 amPDX - GUM

2 stops23h 35mDelta

Wed 12/31:00 amGUM - PDX

2 stops37h 52mDelta

Deal found 11/2

$1,903

Fri 11/286:00 amGEG - GUM

2 stops23h 05mDelta

Fri 12/261:00 amGUM - GEG

2 stops38h 15mDelta

Deal found 10/31

$2,108

Sat 11/296:15 amPSC - GUM

2 stops22h 50mDelta

Tue 12/21:00 amGUM - PSC

2 stops33h 23mDelta

Deal found 11/1

$2,409

Tue 12/239:16 amGEG - GUM

2 stops19h 49mDelta

Thu 1/11:00 amGUM - GEG

2 stops40h 59mDelta

Deal found 11/1

$3,130

Last-minute flights from Washington to Guam
Discover last-minute flight deals from Washington to Guam. Data last updated November 3, 2025 and is based on user searches.

Fri 11/1410:28 pmPDX - GUM

2 stops54h 37mMultiple Airlines

Thu 12/42:40 amGUM - PDX

2 stops48h 52mMultiple Airlines

Deal found 11/1

$1,705

Sat 11/151:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Mon 12/112:20 amGUM - SEA

2 stops38h 18mMultiple Airlines

Deal found 11/1

$1,012

Sat 11/151:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Fri 12/52:20 amGUM - SEA

2 stops36h 18mMultiple Airlines

Deal found 11/1

$1,040

Sat 11/151:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Wed 12/32:20 amGUM - SEA

2 stops34h 28mMultiple Airlines

Deal found 11/1

$1,045

Sat 11/151:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Sat 12/612:20 amGUM - SEA

2 stops36h 28mMultiple Airlines

Deal found 11/1

$1,072

Sun 11/161:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Mon 12/112:20 amGUM - SEA

2 stops38h 18mMultiple Airlines

Deal found 11/1

$999

Sun 11/161:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Fri 12/52:20 amGUM - SEA

2 stops36h 18mMultiple Airlines

Deal found 11/1

$1,027

Sun 11/161:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Wed 12/32:20 amGUM - SEA

2 stops34h 28mMultiple Airlines

Deal found 11/1

$1,031

Sun 11/161:45 pmSEA - GUM

1 stop31h 15mMultiple Airlines

Sat 12/612:20 amGUM - SEA

2 stops36h 28mMultiple Airlines

Deal found 11/1

$1,059

Sun 11/1612:35 amPDX - GUM

2 stops28h 30mDelta

Wed 12/34:50 pmGUM - PDX

2 stops49h 26mDelta

Deal found 11/1

$1,887

Sun 11/165:26 pmPDX - GUM

2 stops35h 39mDelta

Thu 12/41:00 amGUM - PDX

2 stops35h 14mDelta

Deal found 11/1

$1,937

Mon 11/179:11 amPDX - GUM

2 stops19h 54mDelta

Sun 12/71:00 amGUM - PDX

2 stops37h 52mDelta

Deal found 11/1

$1,903

One-way flights from Washington to Guam
Search for one-way flight options from Washington to Guam. Find affordable one-way fares based on user searches. Data last updated November 3, 2025.

Sat 11/2911:10 pmSEA - GUM

2 stops56h 10mMultiple Airlines

Deal found 11/1

$501

Tue 12/1611:24 amSEA - GUM

2 stops41h 36mMultiple Airlines

Deal found 11/2

$957

Sat 4/412:45 pmSEA - GUM

1 stop33h 30mDelta

Deal found 11/1

$1,396

Wed 11/1912:35 amPDX - GUM

2 stops28h 30mDelta

Deal found 11/2

$1,400

Tue 2/103:35 pmSEA - GUM

2 stops37h 30mDelta

Deal found 11/1

$1,411

Tue 11/1112:00 pmSEA - GUM

3 stops36h 50mUnited Airlines

Deal found 11/1

$1,622

Sat 4/49:02 amSEA - GUM

3 stops64h 03mUnited Airlines

Deal found 11/1

$1,648

Thu 11/206:00 amPDX - GUM

3 stops42h 50mUnited Airlines

Deal found 11/2

$1,659

Fly from

Fly to

Route

Depart

Return

Price

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 11/16

1:45 pm-3:00 pm

1 stop31h 15m

Tamuning Guam Intl

Wed 11/19

4:10 pm-8:37 pm

2 stops22h 27m

$1,334

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Tue 2/24

1:00 am-1:20 pm

1 stop30h 20m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Wed 4/15

12:45 pm-3:15 pm

1 stop33h 30m

Tamuning Guam Intl

Mon 4/27

5:00 pm-2:00 pm

1 stop38h 00m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 2/9

11:25 am-11:05 pm

1 stop17h 40m

Tamuning Guam Intl

Mon 2/23

4:50 pm-1:20 pm

1 stop38h 30m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 4/2

12:45 pm-3:15 pm

1 stop33h 30m

Tamuning Guam Intl

Tue 4/14

5:00 pm-12:01 am

2 stops48h 01m

$1,549

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 11/14

10:28 pm-11:05 pm

2 stops54h 37m

Tamuning Guam Intl

Thu 12/4

2:40 am-9:32 am

2 stops48h 52m

$1,705

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Tue 1/20

5:35 am-7:05 pm

2 stops19h 30m

Tamuning Guam Intl

Tue 1/27

7:40 am-6:56 pm

2 stops29h 16m

$1,818

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 1/19

12:40 am-11:05 pm

2 stops28h 25m

Tamuning Guam Intl

Mon 1/26

1:00 am-6:50 pm

2 stops35h 50m

$1,853

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Sun 4/12

3:05 pm-3:15 pm

2 stops55h 10m

Tamuning Guam Intl

Sun 4/19

5:00 pm-9:04 pm

2 stops45h 04m

$1,860

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 11/17

2:23 pm-11:05 pm

2 stops38h 42m

Tamuning Guam Intl

Mon 12/1

1:00 am-10:40 pm

2 stops39h 40m

$1,887

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 32 results

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 $1,600). 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?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 18% on flights from State of Washington to Guam by exploring options for tickets at noon.

Related info for your journey

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 17h 40m. 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 $1,600). 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

Alternative routes for Washington to Guam

Los Angeles to Sydney flights

Los Angeles to Melbourne flights

Los Angeles to Auckland flights

San Francisco to Sydney flights

John F Kennedy Intl to Sydney flights

Dallas/Fort Worth to Sydney flights

San Francisco to Melbourne flights

LaGuardia to Sydney flights

Newark to Sydney flights

San Francisco to Auckland flights

Los Angeles to Papeete flights

John F Kennedy Intl to Auckland flights

Dallas/Fort Worth to Melbourne flights

John F Kennedy Intl to Melbourne flights

Dallas/Fort Worth to Auckland flights

Hobby to Sydney flights

Seattle to Auckland flights

Newark to Melbourne flights

George Bush Intcntl to Sydney flights

Dulles Intl to Sydney flights

Los Angeles to Brisbane flights

Ontario to Sydney flights

Honolulu to Sydney flights

O'Hare Intl to Sydney flights

Newark to Auckland flights

Seattle to Sydney flights

San Francisco to Papeete flights

Seattle to Melbourne flights

LaGuardia to Melbourne flights

LaGuardia to Auckland flights

Santa Ana to Sydney flights

Boston to Sydney flights

Dulles Intl to Melbourne flights

Dallas/Fort Worth to Brisbane flights

Reagan-National to Sydney flights

Hobby to Auckland flights

Reagan-National to Melbourne flights

O'Hare Intl to Auckland flights

Baltimore to Sydney flights

Los Angeles to Avalon flights

Detroit to Melbourne flights

Denver to Auckland flights

Dulles Intl to Auckland flights

Atlanta to Sydney flights

Ontario to Auckland flights

Denver to Sydney flights

Sky Harbor Intl to Sydney flights

George Bush Intcntl to Auckland flights

Los Angeles to Nadi flights

O'Hare Intl to Melbourne flights

Top 2 airlines flying from Washington to Guam

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$483	Average$2,193	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$1,543	Average$1,642	FlexibilityNo cancel fee	On-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.

$501+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Guam with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 November 3, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington to Guam

Cheapest flights from Washington to GuamExplore 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 November 3, 2025.

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 November 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Guam that are best for you.

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.

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?

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 November 3, 2025.

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?

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

How can I find direct flights from Washington to Guam?

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

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

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 Guam

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

Top 2 airlines flying from Washington to Guam

100% Free

Book with Flexibility

Travel Smart

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 November 3, 2025.