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 Spokane, and flying into Guam, then you can expect flight times to average 18h 10m and 36h 30m, respectively.

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

Alaska Airlines is the most popular carrier 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 September 2026, there are 2 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.

$569 Cheap Flights from Washington to Guam in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

1:35 pm - 3:35 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

33h 00m1 stop Incheon Intl

2:40 am - 1:55 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

28h 15m1 stop Incheon Intl

$1,108Multiple Airlines

Thu, Oct 22 - Wed, Oct 28

12:40 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 20m1 stop Incheon Intl

4:50 pm - 12:55 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

38h 05m1 stop Incheon Intl

$1,116Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

11:55 am - 2:45 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 50m1 stop Tokyo Narita

2:40 am - 12:55 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

28h 15m1 stop Incheon Intl

$1,153Multiple Airlines

Mon, Nov 9 - Sun, Nov 15

6:03 am - 2:45 pmGEG Spokane-GUM Tamuning Guam Intl

39h 42m2 stops Seattle/Tacoma Intl Tokyo Narita

4:45 pm - 9:25 pmGUM Tamuning Guam Intl-GEG Spokane

45h 40m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,216Alaska Airlines

Sun, Oct 25 - Thu, Oct 29

12:45 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 15m1 stop Incheon Intl

2:40 am - 12:51 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

27h 11m1 stop Incheon Intl

$1,545Delta

Thu, Mar 4 - Wed, Mar 17

12:45 pm - 3:05 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 20m1 stop Incheon Intl

4:50 pm - 11:51 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

37h 01m1 stop Incheon Intl

$1,546Delta

Thu, Mar 4 - Sun, Mar 14

12:45 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 15m1 stop Incheon Intl

2:40 am - 12:51 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

27h 11m1 stop Incheon Intl

$1,546Delta

Thu, Mar 4 - Wed, Mar 17

6:30 pm - 7:00 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

30h 30m2 stops Los Angeles Honolulu

7:45 am - 4:12 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

26h 27m2 stops Honolulu Los Angeles

$1,819United Airlines

Wed, Nov 25 - Tue, Dec 8

6:30 pm - 7:00 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

30h 30m2 stops Los Angeles Honolulu

7:45 am - 9:21 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

31h 36m3 stops Honolulu Los Angeles Denver Intl

$1,819United Airlines

Wed, Nov 25 - Tue, Dec 8

12:30 pm - 7:00 pmGEG Spokane-GUM Tamuning Guam Intl

36h 30m2 stops San Francisco Honolulu

7:45 am - 9:09 pmGUM Tamuning Guam Intl-GEG Spokane

31h 24m2 stops Honolulu Denver Intl

$1,836United Airlines

Tue, Feb 2 - Tue, Feb 23

Cheap last minute flights

Enter your travel dates to find the best prices.

1:20 pm - 2:40 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 20m1 stop Tokyo Narita

4:40 pm - 10:50 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

35h 10m1 stop Tokyo Narita

$1,141Multiple Airlines

Tue, Sep 29 - Sat, Oct 3

1:20 pm - 2:35 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 15m1 stop Tokyo Narita

4:40 pm - 10:50 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

35h 10m1 stop Tokyo Narita

$1,191Multiple Airlines

Mon, Sep 28 - Wed, Oct 14

1:20 pm - 2:40 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 20m1 stop Tokyo Narita

4:40 pm - 10:50 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

35h 10m1 stop Tokyo Narita

$1,234Alaska Airlines

Sat, Oct 3 - Thu, Oct 8

5:52 am - 2:40 pmGEG Spokane-GUM Tamuning Guam Intl

39h 48m2 stops Seattle/Tacoma Intl Tokyo Narita

4:40 pm - 9:46 amGUM Tamuning Guam Intl-GEG Spokane

58h 06m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,292Multiple Airlines

Wed, Sep 30 - Fri, Oct 2

1:00 pm - 11:55 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

17h 55m1 stop Incheon Intl

2:00 am - 1:14 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

28h 14m1 stop Incheon Intl

$1,908Delta

Mon, Sep 28 - Sun, Oct 11

1:00 pm - 3:35 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

33h 35m1 stop Incheon Intl

2:00 am - 11:59 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

38h 59m2 stops Incheon Intl Salt Lake City

$2,162Delta

Mon, Sep 28 - Sun, Oct 11

5:45 am - 11:55 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

25h 10m2 stops Salt Lake City Incheon Intl

5:20 pm - 6:52 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

42h 32m2 stops Incheon Intl Salt Lake City

$2,205Delta

Mon, Sep 28 - Wed, Oct 14

8:29 pm - 6:05 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

28h 36m2 stops San Francisco Honolulu

7:10 am - 10:03 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

19h 53m2 stops Honolulu San Francisco

$2,708United Airlines

Mon, Sep 28 - Wed, Oct 14

7:11 am - 6:05 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

17h 54m2 stops San Francisco Honolulu

7:10 am - 7:29 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

29h 19m2 stops Honolulu Los Angeles

$2,708United Airlines

Mon, Sep 28 - Wed, Sep 30

8:29 pm - 6:05 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

28h 36m2 stops San Francisco Honolulu

7:10 am - 11:26 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

33h 16m3 stops Honolulu Denver Intl San Francisco

$2,708United Airlines

Mon, Sep 28 - Mon, Oct 12

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Alaska Airlines flights from State of Washington to Guam

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

Alaska Airlines

Oct 25

GEG6:03 amSpokane

39h 42m

2 stops

GUM2:45 pmTamuning Guam Intl

Oct 29

GUM4:45 pmTamuning Guam Intl

45h 40m

2 stops

GEG9:25 pmSpokane

$1,216

Alaska Airlines

Oct 25

GEG6:03 amSpokane

39h 42m

2 stops

GUM2:45 pmTamuning Guam Intl

Oct 29

GUM4:45 pmTamuning Guam Intl

45h 40m

2 stops

GEG9:25 pmSpokane

$1,217

Alaska Airlines

Nov 2

SEA11:55 amSeattle/Tacoma Intl

32h 50m

1 stop

GUM2:45 pmTamuning Guam Intl

Nov 6

GUM4:45 pmTamuning Guam Intl

34h 30m

1 stop

SEA9:15 amSeattle/Tacoma Intl

$1,228

Delta flights from State of Washington to Guam

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

Delta

Mar 4

SEA12:45 pmSeattle/Tacoma Intl

18h 15m

1 stop

GUM1:00 amTamuning Guam Intl

Mar 17

GUM2:40 amTamuning Guam Intl

27h 11m

1 stop

SEA12:51 pmSeattle/Tacoma Intl

$1,545

Delta

Mar 4

SEA12:45 pmSeattle/Tacoma Intl

18h 15m

1 stop

GUM1:00 amTamuning Guam Intl

Mar 17

GUM2:40 amTamuning Guam Intl

27h 11m

1 stop

SEA12:51 pmSeattle/Tacoma Intl

$1,546

Delta

Mar 4

SEA5:45 amSeattle/Tacoma Intl

25h 15m

2 stops

GUM1:00 amTamuning Guam Intl

Mar 17

GUM2:40 amTamuning Guam Intl

27h 11m

1 stop

SEA12:51 pmSeattle/Tacoma Intl

$1,550

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 10/22

1:35 pm-3:35 pm

1 stop33h 00m

Tamuning Guam Intl

Wed 10/28

2:40 am-1:55 pm

1 stop28h 15m

$1,108

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 11/11

12:40 pm-1:00 am

1 stop18h 20m

Tamuning Guam Intl

Wed 11/18

4:50 pm-12:55 pm

1 stop38h 05m

$1,116

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Mon 11/9

11:55 am-2:45 pm

1 stop32h 50m

Tamuning Guam Intl

Sun 11/15

2:40 am-12:55 pm

1 stop28h 15m

$1,153

SpokaneTamuning

GEG Spokane - GUM Tamuning Guam Intl

GEGGUM

Spokane

Sun 10/25

6:03 am-2:45 pm

2 stops39h 42m

Tamuning Guam Intl

Thu 10/29

4:45 pm-9:25 pm

2 stops45h 40m

$1,216

Quickest round-trip

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 3/4

12:45 pm-1:00 am

1 stop18h 15m

Tamuning Guam Intl

Wed 3/17

2:40 am-12:51 pm

1 stop27h 11m

$1,545

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 3/4

12:45 pm-3:05 pm

1 stop32h 20m

Tamuning Guam Intl

Sun 3/14

4:50 pm-11:51 am

1 stop37h 01m

$1,546

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 3/4

12:45 pm-1:00 am

1 stop18h 15m

Tamuning Guam Intl

Wed 3/17

2:40 am-12:51 pm

1 stop27h 11m

$1,546

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 11/25

6:30 pm-7:00 pm

2 stops30h 30m

Tamuning Guam Intl

Tue 12/8

7:45 am-4:12 pm

2 stops26h 27m

$1,819

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 11/25

6:30 pm-7:00 pm

2 stops30h 30m

Tamuning Guam Intl

Tue 12/8

7:45 am-9:21 pm

3 stops31h 36m

$1,819

SpokaneTamuning

GEG Spokane - GUM Tamuning Guam Intl

GEGGUM

Spokane

Tue 2/2

12:30 pm-7:00 pm

2 stops36h 30m

Tamuning Guam Intl

Tue 2/23

7:45 am-9:09 pm

2 stops31h 24m

$1,836

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 October, then book flights to Guam from State of Washington during August instead. Flights to Guam in August, while not as cheap as those in October, still average around $1,594.

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

You could potentially save up to 32% 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

Best Price Found	$569
Fastest flight time	18h 10m
Direct flights	None

The best one-way flight to Guam from State of Washington in the past 72 hours is $569. The best round-trip flight deal from State of Washington to Guam found on momondo in the last 72 hours is $1,108.

The fastest flight from State of Washington to Guam takes 18h 10m

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

Frequently asked questions about flying 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 September 2026, there are 2 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 $403	Free Cancellation	Rating 7.4 10,242 reviews		Search United Airlines flights
Delta	PriceFrom $1,548	Free Cancellation	Rating 7.8 8,605 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 $720

Cheap flights from Washington to Guam from $569

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 10/4. 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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Alaska Airlines flights from State of Washington to Guam

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

Delta flights from State of Washington to Guam

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

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

See travel insights to Guam from

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?

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

Cheap State of Washington to Guam flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington to Guam

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

According to popular flight searches on momondo this year

Guam flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Guam

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Guam

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

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According to popular flight searches on momondo this year