How long is the flight from State of Washington to Guam?

If you’re flying from a popular airport in State of Washington, such as Seattle or Pasco, and flying into Guam, then you can expect flight times to average 17h 50m and 35h 05m, respectively.

What airlines fly to Guam?

United Airlines, Delta and Asiana Airlines are the top three most popular airlines that fly to Guam from State of Washington according to our data. United Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Guam. Keep in mind that there are 3 different airlines that fly to Guam on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington to Guam?

Delta and United Airlines are the most popular carriers operating from Washington to Guam

When did momondo last update prices for flights from Washington to Guam?

Prices for flights from Washington to Guam were last updated today.

How many operators does momondo search for flights from Washington to Guam?

As of March 2026, there are 3 operators available to choose from for flights from Washington to Guam.

How old do you have to be to fly from Washington to Guam?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Guam.

What documentation or ID do you need to fly to Guam?

The necessary travel and health documents for your Guam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$534 Cheap Flights from Washington to Guam in 2026

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Find the cheapest flights from Washington to Guam

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:40 pm - 3:35 am

SEA

GUM

20h 55m

1 stop

4:40 am - 1:35 pm

GUM

SEA

25h 55m

1 stop

$1,278Multiple Airlines

Mon, May 4 - Mon, May 11

2:45 pm - 3:35 am

SEA

GUM

19h 50m

1 stop

4:40 am - 2:35 pm

GUM

SEA

26h 55m

1 stop

$1,371Multiple Airlines

Fri, Apr 10 - Fri, Apr 17

2:45 pm - 3:35 am

SEA

GUM

19h 50m

1 stop

4:40 am - 2:35 pm

GUM

SEA

26h 55m

1 stop

$1,399Multiple Airlines

Thu, Apr 16 - Mon, Apr 20

2:45 pm - 3:35 am

SEA

GUM

19h 50m

1 stop

4:40 am - 2:35 pm

GUM

SEA

26h 55m

1 stop

$1,429Multiple Airlines

Sun, Apr 5 - Sun, Apr 12

1:00 pm - 11:55 pm

SEA

GUM

17h 55m

1 stop

5:20 pm - 1:07 pm

GUM

SEA

36h 47m

1 stop

$1,594Delta

Mon, Apr 13 - Mon, Apr 20

1:00 pm - 3:35 pm

SEA

GUM

33h 35m

1 stop

5:20 pm - 6:30 pm

GUM

SEA

42h 10m

2 stops

$1,599Delta

Mon, Apr 13 - Mon, Apr 20

5:15 am - 9:45 pm

PDX

GUM

23h 30m

2 stops

7:30 pm - 10:48 pm

GUM

PDX

44h 18m

2 stops

$1,961United Airlines

Sun, May 31 - Sun, Jun 7

12:37 pm - 3:50 pm

GEG

GUM

58h 13m

2 stops

7:30 pm - 11:51 pm

GUM

GEG

45h 21m

2 stops

$1,967United Airlines

Sun, Jul 5 - Sun, Jul 19

5:15 am - 6:05 pm

PDX

GUM

19h 50m

2 stops

7:05 am - 12:08 pm

GUM

PDX

22h 03m

2 stops

$1,969United Airlines

Fri, May 22 - Fri, Jun 5

3:30 pm - 11:55 pm

PDX

GUM

39h 25m

2 stops

3:00 am - 9:18 pm

GUM

PDX

35h 18m

2 stops

$2,010Delta

Sat, May 9 - Fri, May 29

Delta flights from State of Washington to Guam

Our best Delta deals on State of Washington to Guam flight tickets

Delta

Apr 13

SEA1:00 pmSeattle/Tacoma Intl

17h 55m

1 stop

GUM11:55 pmTamuning Guam Intl

Apr 20

GUM5:20 pmTamuning Guam Intl

36h 47m

1 stop

SEA1:07 pmSeattle/Tacoma Intl

$1,594

Delta

Apr 13

SEA1:00 pmSeattle/Tacoma Intl

33h 35m

1 stop

GUM3:35 pmTamuning Guam Intl

Apr 20

GUM5:20 pmTamuning Guam Intl

42h 10m

2 stops

SEA6:30 pmSeattle/Tacoma Intl

$1,599

Delta

Apr 13

SEA6:00 amSeattle/Tacoma Intl

24h 55m

2 stops

GUM11:55 pmTamuning Guam Intl

Apr 20

GUM5:20 pmTamuning Guam Intl

42h 10m

2 stops

SEA6:30 pmSeattle/Tacoma Intl

$1,603

United Airlines flights from State of Washington to Guam

Our best United Airlines deals on State of Washington to Guam flight tickets

United Airlines

May 20

SEA6:58 pmSeattle/Tacoma Intl

30h 07m

2 stops

GUM6:05 pmTamuning Guam Intl

Sep 1

GUM7:05 amTamuning Guam Intl

31h 06m

3 stops

SEA9:11 pmSeattle/Tacoma Intl

$1,869

United Airlines

May 31

PDX5:15 amPortland

23h 30m

2 stops

GUM9:45 pmTamuning Guam Intl

Jun 7

GUM7:30 pmTamuning Guam Intl

44h 18m

2 stops

PDX10:48 pmPortland

$1,961

United Airlines

Jul 5

GEG12:37 pmSpokane

58h 13m

2 stops

GUM3:50 pmTamuning Guam Intl

Jul 19

GUM7:30 pmTamuning Guam Intl

45h 21m

2 stops

GEG11:51 pmSpokane

$1,967

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 5/4

1:40 pm-3:35 am

1 stop20h 55m

Tamuning Guam Intl

Mon 5/11

4:40 am-1:35 pm

1 stop25h 55m

$1,278

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Fri 4/10

2:45 pm-3:35 am

1 stop19h 50m

Tamuning Guam Intl

Fri 4/17

4:40 am-2:35 pm

1 stop26h 55m

$1,371

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Thu 4/16

2:45 pm-3:35 am

1 stop19h 50m

Tamuning Guam Intl

Mon 4/20

4:40 am-2:35 pm

1 stop26h 55m

$1,399

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Sun 4/5

2:45 pm-3:35 am

1 stop19h 50m

Tamuning Guam Intl

Sun 4/12

4:40 am-2:35 pm

1 stop26h 55m

$1,429

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 4/13

1:00 pm-11:55 pm

1 stop17h 55m

Tamuning Guam Intl

Mon 4/20

5:20 pm-1:07 pm

1 stop36h 47m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

Mon 4/13

1:00 pm-3:35 pm

1 stop33h 35m

Tamuning Guam Intl

Mon 4/20

5:20 pm-6:30 pm

2 stops42h 10m

$1,599

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 5/31

5:15 am-9:45 pm

2 stops23h 30m

Tamuning Guam Intl

Sun 6/7

7:30 pm-10:48 pm

2 stops44h 18m

$1,961

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Sun 7/5

12:37 pm-3:50 pm

2 stops58h 13m

Tamuning Guam Intl

Sun 7/19

7:30 pm-11:51 pm

2 stops45h 21m

$1,967

Quickest round-trip

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 5/22

5:15 am-6:05 pm

2 stops19h 50m

Tamuning Guam Intl

Fri 6/5

7:05 am-12:08 pm

2 stops22h 03m

$1,969

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sat 5/9

3:30 pm-11:55 pm

2 stops39h 25m

Tamuning Guam Intl

Fri 5/29

3:00 am-9:18 pm

2 stops35h 18m

$2,010

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Guam

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Guam?

If you aren’t able to travel during the month of July, then book flights to Guam from State of Washington during August instead. Flights to Guam in August, while not as cheap as those in July, still average around $1,011.

Can stopping save me money on State of Washington to Guam flights?

You could potentially save up to 11% on your flight if you consider stops on a State of Washington to Guam flight.

Cheap State of Washington to Guam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Guam

Fastest flight time	17h 50m
Direct flights	None

The fastest flight from State of Washington to Guam takes 17h 50m

There are no direct flights from State of Washington to Guam. There are no popular flight routes from State of Washington to Guam.

Search flight deals

When did momondo last update prices for flights from Washington to Guam?
Prices for flights from Washington to Guam were last updated today.
How many operators does momondo search for flights from Washington to Guam?
As of March 2026, there are 3 operators available to choose from for flights from Washington to Guam.
How old do you have to be to fly from Washington to Guam?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Guam.
What documentation or ID do you need to fly to Guam?
The necessary travel and health documents for your Guam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Guam

Compare and see reviews for airlines that fly from State of Washington to Guam with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $385	Free Cancellation	Rating 7.4 9,460 reviews	Search United Airlines flights
Asiana Airlines	PriceFrom $560	Free Cancellation	Rating 8.1 506 reviews	Search Asiana Airlines flights
Delta	PriceFrom $1,543	Free Cancellation	Rating 7.9 8,319 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Guam?

Finding the right flight to Guam from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Guam quick and easy, saving you time and money.

Can I find flights from Washington to Guam with flexible booking policies on momondo?

Yes. All flights to Guam from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Guam?

momondo helps you find the best flight between Washington and Guam by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington to Guam right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Guam flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Flights to Tamuningfrom $936

Cheap flights from Washington to Guam from $534

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Guam departing on 4/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from State of Washington to Guam

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Our best United Airlines deals on State of Washington to Guam flight tickets

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How to get the cheapest flight ticket from State of Washington to Guam

What is the cheapest month to fly to Guam?

Can stopping save me money on State of Washington to Guam flights?

What is the cheapest airline that flies from Washington to Guam?

What airlines fly to Guam?

How long is the flight from State of Washington to Guam?

Cheap State of Washington to Guam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Guam

Fastest flight time

Direct flights

Best airlines flying from State of Washington to Guam

Compare and see reviews for airlines that fly from State of Washington to Guam with momondo

Why use momondo?

An easier way to manage your Guam trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Guam

Popular cities in Guam

Popular flights according to clicks in the last 7 days on momondo

State of Washington flight routes

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Fly your favorite airline to Guam

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List of cabin classes available on flights landing in Guam. Availability may vary depending on flight origin and airline.

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