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10/29/2026 Find Cheap Flights from Seattle to Guam (SEA to GUM)
SEA - Seattle GUM - Guam 
Find Cheap Flights from Seattle to Guam (SEA to GUM)
Fares Starting from $555
SEA - Seattle GUM - Guam Great deal! This is the lowest price we've seen for this one way route in the last 12 hours. Prices may change and aren't guaranteed for all flights or dates. Click on the price to continue your search and check the latest available fare. Ref. id 202609~Ref:6HY_fFnsEUW5U1EiIUOBZw
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Cheap Flights from Seattle to Guam - Compare & Book Our Best Deals
This route offers great flexibility for different travel plans. Browse one-way fares from $554.62, round-trip fares from $1133.99, and other affordable options across different budgets. Compare flight choices, explore schedules, and book the best Seattle to Guam deals that fit your budget and travel preferences.
Top Airlines that fly from Seattle to Guam
Cheap Flight Deals from Seattle to Guam
SEA Seattle Thu, Oct 29
GUM Guam
from $555
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SEA Seattle Sun, Oct 4
GUM Guam
from $605
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SEA Seattle Sat, Oct 3
GUM Guam
from $642
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SEA Seattle Sun, Jan 10
GUM Guam
from $642
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SEA Seattle Sat, Sep 26
GUM Guam
from $655
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SEA Seattle Wed, Oct 7
GUM Guam
from $755
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SEA Seattle Fri, Oct 2
GUM Guam
from $1025
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SEA Seattle Mon, Sep 28
GUM Guam
from $1430
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SEA Seattle Mon, Oct 5
GUM Guam
from $1452
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SEA Seattle Tue, Oct 6
GUM Guam
from $1452
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*All fares above were last found on: Fares are one way/round trip. Fares incl. all fuel surcharges, taxes & fees and our service fees. Displayed fares are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions. 202609~Ref:6HY_fFnsEUW5U1EiIUOBZw
When is the Cheapest Time to Book Flights from SEA to GUM?
Explore data-powered insights and trends for flights from Seattle to Guam. Discover average fares, cheap months to fly, when to book, and plan smarter.
What’s the cheapest day of the week to fly from Seattle to Guam?‡
What is the cheapest month to fly from Seattle to Guam?‡
‡This information is based on historical data from the last 365 days.
Finding Affordable Flights from Seattle to Guam
- Plan Ahead - One of the keys to securing cheap flights from Seattle to Guam is to plan your trip well in advance. Airlines often offer lower prices for those who book tickets months ahead. Keep an eye on special promotions and sales events, which can yield significant savings.
- Flexibility is Key - Being flexible with your travel dates can also lead to substantial cost savings. Consider flying during off-peak seasons or on weekdays when prices tend to be lower.
- Set Price Alerts - To keep tabs on flight prices, consider setting up fare alerts. These alerts will notify you when fares from Seattle to Guam drop, giving you the opportunity to grab cheap deals.
- Consider Nearby Airports - If Guam has multiple airports, check the prices at each one. Sometimes, flying into a nearby airport and then taking a short train or bus ride to your destination can be a much cheaper option.
- Bundle and Save - Booking your flight and accommodation together as a package can often result in significant savings. CheapOair offers these bundled deals, so make sure to explore this option.
When should I book flights from SEA to GUM? ‡
‡Got flexible travel dates? Use our flight data from the past year to discover ideal time to fly from Seattle to Guam. Find out which months and days typically offer lower fares and let CheapOair search for the best options.
CheapOair provides the predicted prices for one-way trips or round-trips with a duration of 7 days for domestic and 14 days for international trips based on historical data and available flight information. Graphs are estimates only. Prices are subject to change and can't be guaranteed until ticketed.
Estimated price for
Round-trip
‡Graphs are estimates only. Based on historical data and available flight information. Prices are subject to change and cannot be guaranteed until ticketed.
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Cheap Flights from Seattle to Guam
Flights from Seattle to Guam
Looking for flights from Seattle to Guam? Look no more, for you're at the right place. Book cheap flights from Seattle to Guam on CheapOair and enjoy great discounts. Whether its leisure or a business trip, we offer the most competitive rates on flight tickets to destinations around the world. Grab SEA to GUM flight deals on CheapOair and save big!
Airports in Seattle
Seattle is served by Seattle-Tacoma International Airport. The airport is located about 21 kilometers south of Downtown Seattle. Seattle-Tacoma International Airport offers flights to a number of destinations such as London, New York, Detroit, Portland, San Francisco, and more. Ground transportation options to and from the airport include Seattle's Central Link rail line service, shuttle services, taxis, Limos, and car rentals.
Explore Guam
.Guam is an unincorporated and organized territory of the United States in Micronesia in the western Pacific Ocean. The habitants of this region are called Guamanians. Guam is the largest and southernmost island in the Mariana Islands archipelago. Tourists can explore the region by car, by bus, and on foot. There are plenty of things to do in Guam incorporating shopping at Chamorro Night Market and Mangilao Night Market, unwinding at Gun Beach, enjoying dive at Challenger Deer, and more.
Things to do in Guam
The Challenger Deep
Located in the Marianas Trench, Challenger Deep is located just 250 miles southwest of Guam. It is the deepest point on the ocean. Guam houses a handful of dive shops and divers can enjoy diving to explore vibrant reef system and temperate tropical weather.
Alupang Island
Located somewhat a mile off the shore of Dungca's Beach on East Agana Beach Front, Alupang Island is inside the reef protected from the waves of the Philippine Sea. It is an uninhabited island that can be reached from the Hotel Santa Fe and Onward Beach Resort. Adrenaline junkies can rent jet skies and kayaks in order to explore the small beach cove.
Latte of Freedom
Latte of Freedom is the world's largest Latte perched atop a prominent stone point that overlooks both Agana and Asan bays. This colossal monument invites visitors to look and know about culture in the local area and across the area.
Best Time to Fly to Guam
Guam sees a tropical rainforest climate. The island's northern end is a plateau of rising cliffs and rolling hills. The best time to visit Guam is from January to March, when the weather is dry and apt for sightseeing. The wet season here is from July through November and June and December are the transitional months.
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