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 20m and 22h 40m, respectively.

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

Delta 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 November 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.

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

32h 50m1 stop Tokyo Narita

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

38h 05m1 stop Incheon Intl

$1,154Multiple Airlines

Thu, Dec 3 - Thu, Dec 10

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

32h 50m1 stop Tokyo Narita

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

38h 05m1 stop Incheon Intl

$1,154Multiple Airlines

Wed, Dec 2 - Wed, Dec 9

12:00 pm - 2:45 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 45m1 stop Tokyo Narita

4:45 pm - 9:40 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

34h 55m1 stop Tokyo Narita

$1,191Alaska Airlines

Wed, Mar 3 - Mon, Mar 8

7:20 am - 1:00 amGEG Spokane-GUM Tamuning Guam Intl

23h 40m2 stops Seattle/Tacoma Intl Incheon Intl

2:40 am - 10:57 pmGUM Tamuning Guam Intl-GEG Spokane

38h 17m2 stops Incheon Intl Seattle/Tacoma Intl

$1,208Multiple Airlines

Wed, Feb 10 - Wed, Feb 24

12:50 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 10m1 stop Incheon Intl

2:40 am - 11:51 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

27h 11m1 stop Incheon Intl

$1,546Delta

Thu, Mar 4 - Wed, Mar 10

12:50 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 10m1 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

12:50 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 10m1 stop Incheon Intl

2:40 am - 11:51 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

27h 11m1 stop Incheon Intl

$1,546Delta

Mon, Mar 1 - Sun, Mar 7

7:00 am - 7:00 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 00m2 stops San Francisco Honolulu

7:45 am - 6:15 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

28h 30m2 stops Honolulu Denver Intl

$1,819United Airlines

Mon, Mar 1 - Wed, Mar 10

7:41 pm - 7:00 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

29h 19m2 stops San Francisco Honolulu

7:45 am - 7:03 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

29h 18m3 stops Honolulu San Francisco Los Angeles

$1,819United Airlines

Sun, Feb 28 - Thu, Mar 11

7:00 am - 7:00 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 00m2 stops San Francisco Honolulu

7:45 am - 7:03 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

29h 18m3 stops Honolulu San Francisco Los Angeles

$1,819United Airlines

Mon, Mar 1 - Mon, Mar 8

Cheap last minute flights

Enter your travel dates to find the best prices.

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

32h 50m1 stop Tokyo Narita

4:45 pm - 9:15 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

34h 30m1 stop Tokyo Narita

$1,191Alaska Airlines

Tue, Nov 10 - Thu, Nov 19

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

32h 50m1 stop Tokyo Narita

4:45 pm - 9:15 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

34h 30m1 stop Tokyo Narita

$1,191Alaska Airlines

Wed, Nov 11 - Thu, Nov 19

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

32h 50m1 stop Tokyo Narita

4:45 pm - 9:15 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

34h 30m1 stop Tokyo Narita

$1,191Alaska Airlines

Wed, Nov 11 - Thu, Nov 19

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

32h 50m1 stop Tokyo Narita

4:45 pm - 9:15 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

34h 30m1 stop Tokyo Narita

$1,191Alaska Airlines

Tue, Nov 10 - Thu, Nov 19

5:35 am - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

25h 25m2 stops Salt Lake City Incheon Intl

2:40 am - 11:56 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

27h 16m1 stop Incheon Intl

$2,163Delta

Wed, Nov 11 - Tue, Dec 1

12:30 pm - 1:00 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

18h 30m1 stop Incheon Intl

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

37h 01m1 stop Incheon Intl

$2,196Delta

Wed, Nov 11 - Mon, Nov 16

12:30 pm - 3:05 pmSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

32h 35m1 stop Incheon Intl

2:40 am - 11:51 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

27h 11m1 stop Incheon Intl

$2,196Delta

Thu, Nov 12 - Sun, Nov 15

7:00 am - 4:40 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

27h 40m2 stops San Francisco Tokyo Haneda

7:45 am - 9:40 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

19h 55m2 stops Honolulu San Francisco

$2,733United Airlines

Tue, Nov 10 - Wed, Nov 18

7:00 am - 4:40 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

27h 40m2 stops San Francisco Tokyo Haneda

7:45 am - 11:16 amGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

21h 31m2 stops Honolulu Los Angeles

$2,733United Airlines

Wed, Nov 11 - Thu, Nov 19

7:00 am - 4:40 amSEA Seattle/Tacoma Intl-GUM Tamuning Guam Intl

27h 40m2 stops San Francisco Tokyo Haneda

7:45 am - 2:39 pmGUM Tamuning Guam Intl-SEA Seattle/Tacoma Intl

24h 54m2 stops Honolulu San Francisco

$2,733United Airlines

Tue, Nov 10 - Thu, Nov 19

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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

Mar 3

SEA12:00 pmSeattle/Tacoma Intl

32h 45m

1 stop

GUM2:45 pmTamuning Guam Intl

Mar 8

GUM4:45 pmTamuning Guam Intl

34h 55m

1 stop

SEA9:40 amSeattle/Tacoma Intl

$1,191

Alaska Airlines

Mar 3

SEA12:00 pmSeattle/Tacoma Intl

32h 45m

1 stop

GUM2:45 pmTamuning Guam Intl

Mar 11

GUM4:45 pmTamuning Guam Intl

34h 55m

1 stop

SEA9:40 amSeattle/Tacoma Intl

$1,366

Alaska Airlines

Jan 18

SEA12:00 pmSeattle/Tacoma Intl

32h 45m

1 stop

GUM2:45 pmTamuning Guam Intl

Jan 25

GUM4:45 pmTamuning Guam Intl

34h 55m

1 stop

SEA9:40 amSeattle/Tacoma Intl

$1,384

Delta flights from State of Washington to Guam

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

Delta

Mar 1

SEA12:50 pmSeattle/Tacoma Intl

32h 15m

1 stop

GUM3:05 pmTamuning Guam Intl

Mar 10

GUM4:50 pmTamuning Guam Intl

37h 01m

1 stop

SEA11:51 amSeattle/Tacoma Intl

$1,546

Delta

Mar 1

SEA5:45 amSeattle/Tacoma Intl

25h 15m

2 stops

GUM1:00 amTamuning Guam Intl

Mar 10

GUM2:40 amTamuning Guam Intl

27h 11m

1 stop

SEA11:51 amSeattle/Tacoma Intl

$1,551

Delta

Jan 18

SEA5:35 amSeattle/Tacoma Intl

25h 25m

2 stops

GUM1:00 amTamuning Guam Intl

Jan 25

GUM4:50 pmTamuning Guam Intl

41h 46m

2 stops

SEA4:36 pmSeattle/Tacoma Intl

$1,555

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 12/3

11:55 am-2:45 pm

1 stop32h 50m

Tamuning Guam Intl

Thu 12/10

4:50 pm-12:55 pm

1 stop38h 05m

$1,154

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 12/2

11:55 am-2:45 pm

1 stop32h 50m

Tamuning Guam Intl

Wed 12/9

4:50 pm-12:55 pm

1 stop38h 05m

$1,154

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Wed 3/3

12:00 pm-2:45 pm

1 stop32h 45m

Tamuning Guam Intl

Mon 3/8

4:45 pm-9:40 am

1 stop34h 55m

$1,191

SpokaneTamuning

GEG Spokane - GUM Tamuning Guam Intl

GEGGUM

Spokane

Wed 2/10

7:20 am-1:00 am

2 stops23h 40m

Tamuning Guam Intl

Wed 2/24

2:40 am-10:57 pm

2 stops38h 17m

$1,208

Quickest round-trip

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 3/4

12:50 pm-1:00 am

1 stop18h 10m

Tamuning Guam Intl

Wed 3/10

2:40 am-11:51 am

1 stop27h 11m

$1,546

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Thu 3/4

12:50 pm-1:00 am

1 stop18h 10m

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

Mon 3/1

12:50 pm-1:00 am

1 stop18h 10m

Tamuning Guam Intl

Sun 3/7

2:40 am-11:51 am

1 stop27h 11m

$1,546

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Mon 3/1

7:00 am-7:00 pm

2 stops18h 00m

Tamuning Guam Intl

Wed 3/10

7:45 am-6:15 pm

2 stops28h 30m

$1,819

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Sun 2/28

7:41 pm-7:00 pm

2 stops29h 19m

Tamuning Guam Intl

Thu 3/11

7:45 am-7:03 pm

3 stops29h 18m

$1,819

SeattleTamuning

SEA Seattle/Tacoma Intl - GUM Tamuning Guam Intl

SEAGUM

Seattle/Tacoma Intl

Mon 3/1

7:00 am-7:00 pm

2 stops18h 00m

Tamuning Guam Intl

Mon 3/8

7:45 am-7:03 pm

3 stops29h 18m

$1,819

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

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

You could potentially save up to 36% 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 20m
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 $1,154.

The fastest flight from State of Washington to Guam takes 18h 20m

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 November 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 7.3 10,476 reviews		Search United Airlines flights
Delta	PriceFrom $1,594	Free Cancellation	Rating 7.8 8,700 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.

An easier way to manage your Guam trip

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Flights to Tamuningfrom $946

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 11/16. 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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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