What is the cheapest airline to fly from Spokane to Tamuning round-trip?

Flying on United Airlines is currently your cheapest option to Tamuning, with prices starting at $1,844.

In terms of precipitation, rainfall in Tamuning ranges from 2.6 - 14.4 inches per month. August is typically the wettest month, when rainfall can reach 14.4 in. March is typically the driest time to visit Tamuning when rainfall is around 2.6 in.

If weather is an important factor for your trip to Tamuning, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

What is the cheapest time of day to fly from GEG to GUM?

When flying from Spokane to Tamuning, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Spokane-Tamuning flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Spokane-Tamuning flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Spokane-Tamuning flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Spokane-Tamuning flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Spokane-Tamuning flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Spokane to Tamuning that include hotel bookings?

Yes. In addition to deals on Spokane to Tamuning flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Spokane to Tamuning?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spokane to Tamuning.

Can I find deals for business class flights from Spokane to Tamuning?

Yes. Cheapflights offers flight deals from Spokane to Tamuning by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$682+ Flights from Spokane to Tamuning

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Cheap flight deals from Spokane to Tamuning

Cheapest flights from Spokane to Tamuning
Explore the most affordable flight options available from Spokane to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Sat 9/512:30 pm

GEG

GUM

2 stops60h 35m

United Airlines

Wed 9/97:35 pm

GUM

GEG

2 stops45h 03m

United Airlines

Deal found 1/26

$2,313

One-way flights from Spokane to Tamuning
Search for one-way flight options from Spokane to Tamuning. Find affordable one-way fares based on user searches. Data last updated January 29, 2026.

Sun 7/128:46 am

GEG

GUM

3 stops45h 59m

Multiple Airlines

Deal found 1/27

$682

Wed 5/206:20 am

GEG

GUM

2 stops39h 55m

Delta

Deal found 1/27

$1,401

Find flight deals from Spokane to Tamuning

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Provider with most accurate pricing for Spokane-Tamuning Guam Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Spokane-Tamuning Guam Intl flights.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Sun 7/12

8:46 am-11:45 pm

3 stops45h 59m

$682

SpokaneTamuning

GEG - GUM

GEGGUM

Spokane

Wed 5/20

6:20 am-3:15 pm

2 stops39h 55m

$1,401

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Compare providers for flights from Spokane to Tamuning

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Spokane to Tamuning in January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Spokane-Tamuning flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Spokane-Tamuning flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Spokane-Tamuning flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Spokane-Tamuning flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Spokane-Tamuning flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Spokane to Tamuning

Have a flexible travel schedule? Discover the best time to fly to Tamuning from Spokane with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Tamuning

Read reviews from past customers who have flown United Airlines from Spokane to Tamuning. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,215 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.4

Good

9,215 reviews

United Airlines

7.4

Good

9,215 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

What is the cheapest airline to fly from Spokane to Tamuning round-trip?
Flying on United Airlines is currently your cheapest option to Tamuning, with prices starting at $1,844.
Can I find deals for flights from Spokane to Tamuning that include hotel bookings?
Yes. In addition to deals on Spokane to Tamuning flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Spokane to Tamuning?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spokane to Tamuning.
Can I find deals for business class flights from Spokane to Tamuning?
Yes. Cheapflights offers flight deals from Spokane to Tamuning by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Spokane to Tamuning

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,844	Average$2,394	FlexibilityNo cancel fee	On-time69%

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$682+ Cheap flights from Spokane (GEG) to Tamuning (GUM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Spokane to Tamuning with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Spokane to Tamuning

Cheapest flights from Spokane to TamuningExplore the most affordable flight options available from Spokane to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Explore the most affordable flight options available from Spokane to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Find flight deals from Spokane to Tamuning

Most accurate provider

Most trusted provider

Cheapflights Fare Finder

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

Compare providers for flights from Spokane to Tamuning

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Spokane to Tamuning in January.

Best time to book a flight from Spokane to Tamuning

Have a flexible travel schedule? Discover the best time to fly to Tamuning from Spokane with our price prediction graph.

Reviews of airlines servicing Tamuning

Read reviews from past customers who have flown United Airlines from Spokane to Tamuning. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Spokane to Tamuning. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Spokane to Tamuning round-trip?

Can I find deals for flights from Spokane to Tamuning that include hotel bookings?

How can I find direct flights from Spokane to Tamuning?

Can I find deals for business class flights from Spokane to Tamuning?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Spokane to Tamuning

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Spokane to Tamuning

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Spokane to Tamuning
Explore the most affordable flight options available from Spokane to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.