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

Delta is the most popular carrier operating from Oregon to Guam

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

Prices for flights from Oregon to Guam are updated daily.

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

As of December 2025, there is 1 operator available to choose from for flights from Oregon to Guam.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Guam.

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

The travel and health documents required for your trip to Guam can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Guam. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$610 Cheap Flights from Oregon to Guam in 2025/26

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Find the cheapest flights from Oregon to Guam

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Cheap round-trip flights

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4:05 pm - 3:45 pm

BOI

GUM

55h 40m2 stops

7:05 am - 9:54 am

GUM

BOI

18h 49m2 stops

$1,272United Airlines

Mon, Apr 27 - Fri, May 1

7:30 am - 6:50 pm

PDX

GUM

18h 20m2 stops

7:25 am - 6:48 pm

GUM

PDX

28h 23m2 stops

$1,818United Airlines

Thu, Mar 12 - Mon, Mar 23

1:39 pm - 6:50 pm

PDX

GUM

36h 11m2 stops

7:25 am - 12:33 pm

GUM

PDX

22h 08m2 stops

$1,833United Airlines

Sun, Mar 15 - Mon, Mar 23

5:30 am - 6:50 pm

PDX

GUM

20h 20m2 stops

7:20 pm - 11:04 pm

GUM

PDX

44h 44m2 stops

$1,841United Airlines

Wed, Mar 18 - Tue, Mar 24

7:05 am - 11:05 pm

PDX

GUM

23h 00m2 stops

4:50 pm - 6:58 pm

GUM

PDX

43h 08m2 stops

$1,853Delta

Thu, Mar 12 - Sun, Mar 22

5:08 pm - 11:05 pm

PDX

GUM

36h 57m2 stops

4:50 pm - 8:59 pm

GUM

PDX

45h 09m2 stops

$1,858Delta

Sun, Mar 15 - Sun, Mar 22

7:30 am - 6:50 pm

PDX

GUM

18h 20m2 stops

7:25 am - 12:33 pm

GUM

PDX

22h 08m2 stops

$1,868United Airlines

Fri, Mar 13 - Wed, Mar 25

5:30 am - 11:05 pm

PDX

GUM

23h 35m2 stops

1:00 am - 4:30 pm

GUM

PDX

33h 30m2 stops

$1,903Delta

Mon, Jan 26 - Mon, Feb 9

7:30 am - 6:50 pm

PDX

GUM

18h 20m2 stops

7:25 am - 12:33 pm

GUM

PDX

22h 08m2 stops

$1,918United Airlines

Fri, Mar 13 - Fri, Mar 20

10:40 am - 11:05 pm

PDX

GUM

19h 25m2 stops

4:50 pm - 4:56 pm

GUM

PDX

41h 06m2 stops

$1,953Delta

Fri, Mar 13 - Thu, Mar 19

United Airlines flights from Oregon to Guam

Our best United Airlines deals on Oregon to Guam flight tickets

United Airlines

Apr 27

BOI4:05 pmBoise Air Term. Gowen Fld

55h 40m

2 stops

GUM3:45 pmTamuning Guam Intl

May 1

GUM7:05 amTamuning Guam Intl

18h 49m

2 stops

BOI9:54 amBoise Air Term. Gowen Fld

$1,272

Find similar

United Airlines

Mar 12

PDX7:30 amPortland

18h 20m

2 stops

GUM6:50 pmTamuning Guam Intl

Mar 23

GUM7:25 amTamuning Guam Intl

28h 23m

2 stops

PDX6:48 pmPortland

$1,818

Find similar

United Airlines

Mar 15

PDX1:39 pmPortland

36h 11m

2 stops

GUM6:50 pmTamuning Guam Intl

Mar 23

GUM7:25 amTamuning Guam Intl

22h 08m

2 stops

PDX12:33 pmPortland

$1,833

Find similar

Delta flights from Oregon to Guam

Our best Delta deals on Oregon to Guam flight tickets

Delta

Mar 12

PDX7:05 amPortland

23h 00m

2 stops

GUM11:05 pmTamuning Guam Intl

Mar 22

GUM4:50 pmTamuning Guam Intl

43h 08m

2 stops

PDX6:58 pmPortland

$1,853

Find similar

Delta

Mar 15

PDX5:08 pmPortland

36h 57m

2 stops

GUM11:05 pmTamuning Guam Intl

Mar 22

GUM4:50 pmTamuning Guam Intl

45h 09m

2 stops

PDX8:59 pmPortland

$1,858

Find similar

Delta

Jan 26

PDX5:30 amPortland

23h 35m

2 stops

GUM11:05 pmTamuning Guam Intl

Feb 9

GUM1:00 amTamuning Guam Intl

33h 30m

2 stops

PDX4:30 pmPortland

$1,903

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseTamuning

BOI - GUM

BOIGUM

Boise Air Term. Gowen Fld

Mon 4/27

4:05 pm-3:45 pm

2 stops55h 40m

Tamuning Guam Intl

Fri 5/1

7:05 am-9:54 am

2 stops18h 49m

$1,272

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 3/12

7:30 am-6:50 pm

2 stops18h 20m

Tamuning Guam Intl

Mon 3/23

7:25 am-6:48 pm

2 stops28h 23m

$1,818

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 3/15

1:39 pm-6:50 pm

2 stops36h 11m

Tamuning Guam Intl

Mon 3/23

7:25 am-12:33 pm

2 stops22h 08m

$1,833

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Wed 3/18

5:30 am-6:50 pm

2 stops20h 20m

Tamuning Guam Intl

Tue 3/24

7:20 pm-11:04 pm

2 stops44h 44m

$1,841

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Thu 3/12

7:05 am-11:05 pm

2 stops23h 00m

Tamuning Guam Intl

Sun 3/22

4:50 pm-6:58 pm

2 stops43h 08m

$1,853

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Sun 3/15

5:08 pm-11:05 pm

2 stops36h 57m

Tamuning Guam Intl

Sun 3/22

4:50 pm-8:59 pm

2 stops45h 09m

$1,858

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 3/13

7:30 am-6:50 pm

2 stops18h 20m

Tamuning Guam Intl

Wed 3/25

7:25 am-12:33 pm

2 stops22h 08m

$1,868

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Mon 1/26

5:30 am-11:05 pm

2 stops23h 35m

Tamuning Guam Intl

Mon 2/9

1:00 am-4:30 pm

2 stops33h 30m

$1,903

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 3/13

7:30 am-6:50 pm

2 stops18h 20m

Tamuning Guam Intl

Fri 3/20

7:25 am-12:33 pm

2 stops22h 08m

$1,918

PortlandTamuning

PDX - GUM

PDXGUM

Portland

Fri 3/13

10:40 am-11:05 pm

2 stops19h 25m

Tamuning Guam Intl

Thu 3/19

4:50 pm-4:56 pm

2 stops41h 06m

$1,953

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oregon 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

What is the cheapest month to fly to Guam?

If you aren’t able to travel during the month of February, then book flights to Guam from Oregon during September instead. Flights to Guam in September, while not as cheap as those in February, still average around $1,914.

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

The cheapest day to depart from Oregon to Guam is on a Wednesday when prices can be found for as low as $1,892. Flights from Oregon to Guam on a Thursday will generally be more expensive and average around $2,126. 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 Oregon in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,967 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Guam is in the morning when prices are around $2,041.

Cheap Oregon to Guam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Guam

Fastest flight time	19h 30m
Direct flights	None

The fastest flight from Oregon to Guam takes 19h 30m

There are no direct flights from Oregon to Guam. There are no popular flight routes from Oregon to Guam.

Search flight deals

When did momondo last update prices for flights from Oregon to Guam?
Prices for flights from Oregon to Guam are updated daily.
How many operators does momondo search for flights from Oregon to Guam?
As of December 2025, there is 1 operator available to choose from for flights from Oregon to Guam.
How old do you have to be to fly from Oregon to Guam?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Guam.
What documentation or ID do you need to fly to Guam?
The travel and health documents required for your trip to Guam can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Guam. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Oregon to Guam

Compare and see reviews for airlines that fly from Oregon to Guam with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,602	Free Cancellation	Rating 7.4 9,092 reviews		Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Oregon to Guam. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Oregon to Guam on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Guam from Oregon. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Guam, momondo offers a useful price alert feature which will track prices for flights to Guam from Oregon and alert you when they 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.

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Flights to Tamuningfrom $930

Cheap flights from Oregon to Guam from $610

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Guam departing on 1/1. 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 Oregon to Guam

Cheap round-trip flights

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United Airlines flights from Oregon to Guam

Our best United Airlines deals on Oregon to Guam flight tickets

Delta flights from Oregon to Guam

Our best Delta deals on Oregon to Guam flight tickets

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

See travel insights to Guam from

How to get the cheapest flight ticket from Oregon to Guam

What is the cheapest month to fly to Guam?

If you aren’t able to travel during the month of February, then book flights to Guam from Oregon during September instead. Flights to Guam in September, while not as cheap as those in February, still average around $1,914.

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 Oregon in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,967 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Guam is in the morning when prices are around $2,041.

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

Delta is the most popular carrier operating from Oregon to Guam

Cheap Oregon to Guam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Guam

Fastest flight time

Direct flights

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

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

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

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

Best airlines flying from Oregon to Guam

Compare and see reviews for airlines that fly from Oregon to Guam with momondo

Why use momondo?

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

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

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

I’m not ready to book a flight from Oregon 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