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 15m and 19h, respectively.

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 August 2025, 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.

$1,190 Cheap Flights from Washington to Guam in 2025

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Find the cheapest flights from Washington to Guam

Round-trip

One-way

Last minute

Cheap round-trip flights

12:15 pm - 3:15 pmSEA-GUM

34h 00m1 stop

5:00 pm - 1:30 pmGUM-SEA

37h 30m1 stop

$1,544Delta

Find Deal

lun., oct. 13 - mié., oct. 22

12:15 pm - 3:15 pmSEA-GUM

34h 00m1 stop

5:00 pm - 10:22 pmGUM-SEA

46h 22m2 stops

$1,549Delta

Find Deal

lun., oct. 13 - mar., oct. 21

5:25 am - 12:10 amSEA-GUM

25h 45m2 stops

5:00 pm - 10:22 pmGUM-SEA

46h 22m2 stops

$1,553Delta

Find Deal

lun., oct. 13 - lun., oct. 20

12:35 pm - 12:10 amSEA-GUM

18h 35m1 stop

1:55 am - 1:30 pmGUM-SEA

28h 35m1 stop

$1,594Delta

Find Deal

lun., sep. 29 - dom., oct. 12

5:25 am - 12:10 amSEA-GUM

25h 45m2 stops

5:00 pm - 1:30 pmGUM-SEA

37h 30m1 stop

$1,599Delta

Find Deal

sáb., oct. 11 - lun., oct. 20

6:00 am - 12:10 amSEA-GUM

25h 10m2 stops

5:00 pm - 8:20 pmGUM-SEA

44h 20m2 stops

$1,603Delta

Find Deal

lun., sep. 29 - lun., oct. 13

5:00 am - 6:05 pmSEA-GUM

20h 05m2 stops

7:10 am - 4:24 pmGUM-SEA

26h 14m2 stops

$1,817United Airlines

Find Deal

jue., oct. 9 - mié., oct. 22

7:35 pm - 6:05 pmPDX-GUM

29h 30m2 stops

7:10 am - 10:14 amGUM-PDX

20h 04m2 stops

$1,817United Airlines

Find Deal

lun., oct. 6 - lun., oct. 20

7:05 am - 3:40 pmSEA-GUM

38h 35m2 stops

7:25 am - 2:06 pmGUM-SEA

24h 41m3 stops

$1,838United Airlines

Find Deal

mar., feb. 3 - jue., feb. 19

1:45 pm - 2:40 pmSEA-GUM

31h 55m1 stop

4:40 pm - 11:30 amGUM-SEA

35h 50m1 stop

$1,882Hawaiian Airlines

Find Deal

lun., sep. 22 - mar., sep. 30

United Airlines flights from State of Washington to Guam

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

United Airlines

Oct 6

PDX7:35 pmPortland

29h 30m

2 stops

GUM6:05 pmTamuning Guam Intl

Oct 20

GUM7:10 amTamuning Guam Intl

20h 04m

2 stops

PDX10:14 amPortland

$1,817

Find similar

United Airlines

Feb 3

SEA7:05 amSeattle/Tacoma Intl

38h 35m

2 stops

GUM3:40 pmTamuning Guam Intl

Feb 19

GUM7:25 amTamuning Guam Intl

24h 41m

3 stops

SEA2:06 pmSeattle/Tacoma Intl

$1,838

Find similar

United Airlines

Oct 6

SEA5:00 amSeattle/Tacoma Intl

20h 05m

2 stops

GUM6:05 pmTamuning Guam Intl

Oct 12

GUM7:05 pmTamuning Guam Intl

38h 15m

2 stops

SEA4:20 pmSeattle/Tacoma Intl

$1,842

Find similar

Delta flights from State of Washington to Guam

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

Delta

Oct 13

SEA12:15 pmSeattle/Tacoma Intl

34h 00m

1 stop

GUM3:15 pmTamuning Guam Intl

Oct 22

GUM5:00 pmTamuning Guam Intl

37h 30m

1 stop

SEA1:30 pmSeattle/Tacoma Intl

$1,544

Find similar

Delta

Oct 13

SEA12:15 pmSeattle/Tacoma Intl

34h 00m

1 stop

GUM3:15 pmTamuning Guam Intl

Oct 21

GUM5:00 pmTamuning Guam Intl

46h 22m

2 stops

SEA10:22 pmSeattle/Tacoma Intl

$1,549

Find similar

Delta

Oct 13

SEA5:25 amSeattle/Tacoma Intl

25h 45m

2 stops

GUM12:10 amTamuning Guam Intl

Oct 20

GUM5:00 pmTamuning Guam Intl

46h 22m

2 stops

SEA10:22 pmSeattle/Tacoma Intl

$1,553

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

lun. 10/13

12:15 pm-3:15 pm

1 stop34h 00m

Tamuning Guam Intl

mié. 10/22

5:00 pm-1:30 pm

1 stop37h 30m

$1,544

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

lun. 10/13

12:15 pm-3:15 pm

1 stop34h 00m

Tamuning Guam Intl

mar. 10/21

5:00 pm-10:22 pm

2 stops46h 22m

$1,549

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

lun. 10/13

5:25 am-12:10 am

2 stops25h 45m

Tamuning Guam Intl

lun. 10/20

5:00 pm-10:22 pm

2 stops46h 22m

$1,553

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

lun. 9/29

12:35 pm-12:10 am

1 stop18h 35m

Tamuning Guam Intl

dom. 10/12

1:55 am-1:30 pm

1 stop28h 35m

$1,594

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

sáb. 10/11

5:25 am-12:10 am

2 stops25h 45m

Tamuning Guam Intl

lun. 10/20

5:00 pm-1:30 pm

1 stop37h 30m

$1,599

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

lun. 9/29

6:00 am-12:10 am

2 stops25h 10m

Tamuning Guam Intl

lun. 10/13

5:00 pm-8:20 pm

2 stops44h 20m

$1,603

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

jue. 10/9

5:00 am-6:05 pm

2 stops20h 05m

Tamuning Guam Intl

mié. 10/22

7:10 am-4:24 pm

2 stops26h 14m

$1,817

PortlandTamuning

PDX - GUM

PDXGUM

Portland

lun. 10/6

7:35 pm-6:05 pm

2 stops29h 30m

Tamuning Guam Intl

lun. 10/20

7:10 am-10:14 am

2 stops20h 04m

$1,817

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

mar. 2/3

7:05 am-3:40 pm

2 stops38h 35m

Tamuning Guam Intl

jue. 2/19

7:25 am-2:06 pm

3 stops24h 41m

$1,838

SeattleTamuning

SEA - GUM

SEAGUM

Seattle/Tacoma Intl

lun. 9/22

1:45 pm-2:40 pm

1 stop31h 55m

Tamuning Guam Intl

mar. 9/30

4:40 pm-11:30 am

1 stop35h 50m

$1,882

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 March, then book flights to Guam from State of Washington during October instead. Flights to Guam in October, while not as cheap as those in March, still average around $1,693.

What is the cheapest day to depart on your flight to Guam?

The cheapest day to depart from State of Washington to Guam is on a Monday when prices can be found for as low as $1,742. Flights from State of Washington to Guam on a Sunday will generally be more expensive and average around $2,305. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Guam?

Flying to Guam from State of Washington at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,776 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to Guam is in the morning when prices are around $1,903.

How far in advance should I book a flight to Guam?

You are more likely to see cheaper flights to Guam from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Guam for around $1,903 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Guam from State of Washington for as low as $1,593 on momondo.

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

You could potentially save up to 15% 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	$1,396
Fastest flight time	18h 15m
Direct flights	None
Airports in Guam	1 airport

The best one-way flight to Guam from State of Washington in the past 72 hours is $1,396. The best round-trip flight deal from State of Washington to Guam found on momondo in the last 72 hours is $1,544.

The fastest flight from State of Washington to Guam takes 18h 15m

There are no direct flights from State of Washington to Guam. Popular non-direct routes for this connection are Portland Airport - Tamuning Guam Intl Airport and Seattle/Tacoma Intl Airport - Tamuning Guam Intl Airport.

There is 1 airport near Guam: Tamuning Guam Intl (GUM)

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 August 2025, 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 $678	Free Cancellation	Rating 7.4 8,917 reviews		Search United Airlines flights
Delta	PriceFrom $1,542	Free Cancellation	Rating 8.0 7,985 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

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.

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mar. 8/19

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Popular cities in Guam

Flights to Tamuningfrom $599

Cheap flights from Washington to Guam from $1,396

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 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington to Guam

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

United Airlines flights from State of Washington to Guam

Our best United 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

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

What is the cheapest month to fly to Guam?

If you aren’t able to travel during the month of March, then book flights to Guam from State of Washington during October instead. Flights to Guam in October, while not as cheap as those in March, still average around $1,693.

What is the cheapest day to depart on your flight to Guam?

What is the cheapest time of day to depart on your flight to Guam?

Flying to Guam from State of Washington at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,776 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to Guam is in the morning when prices are around $1,903.

How far in advance should I book a flight to Guam?

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

You could potentially save up to 15% on your flight if you consider stops on a State of Washington to Guam flight.

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

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 15m and 19h, respectively.

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

Fastest flight time

Direct flights

Airports in Guam

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

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

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

What documentation or ID do you need to fly 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?

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

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

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

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

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