Title: Cheap Flights from Seattle to Guam (SEA to GUM) - Expedia.co.uk ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/32a5a1b7-682e-4c22-a8ab-4b736795e0ea/expedia_fallback.webp?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/32a5a1b7-682e-4c22-a8ab-4b736795e0ea/expedia_fallback.webp?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Seattle (SEA) to Guam (GUM) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Seattle-Tacoma International Airport (SEA) to Barrigada - A.B. Won Pat International Airport (GUM) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:gum,departure:18/10/2025TANYT&leg2=from:gum,to:sea,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:gum,departure:18/10/2025TANYT&leg2=from:gum,to:sea,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:sea,to:gum,departure:18/10/2025TANYT&leg2=from:gum,to:sea,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from Seattle (SEA) to Barrigada (GUM) ### September is typically the cheapest month to fly From £822 - £1,715 per traveller. ## Frequently asked questions ### How much is a flight from Sea-Tac Airport to A.B. Won Pat Intl. Airport (GUM)? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey from SEA to GUM was . Great fares don't wait forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Guam International Airport? > We get that life can throw the odd curveball, so we've made it as easy as possible for you to cancel your trip online. Just head to the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from Sea-Tac Airport to Guam International Airport that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to Guam International Airport flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Guam International Airport? > With around 9,100 kilometres separating SeaTac and Barrigada, your flight will be a long one. Pack wisely to make your time on board comfortable. Little things like warm clothes and a good travel pillow should be in your carry-on bag. ### Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to GUM? > At the moment, no airlines offer direct flights from SEA to Guam International Airport. You'll need to book a flight with at least one stop. To get the best price and connections, lock in your airfare well ahead of time. ### Are SEA to A.B. Won Pat Intl. Airport (GUM) flight tickets cheaper when they're purchased at the last minute? > Flight prices go up and down like a yo-yo, so not always. While last-minute flight deals between SEA and Guam Intl. Airport are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some carriers release their prices up to a year prior to the departure date. Expedia is continuously updating the best airfare bargains around, so check back often and be ready to book when the price is low. ## Travel information | Origin airport | Seattle - Tacoma Intl. | | --- | --- | | Destination airport | A.B. Won Pat Intl. | | Distance | 9067 km | ## Book with confidence ### Compare flights from Seattle to Guam easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Guam. Operating between them flights per day, airlines cover the route. And fly direct, getting you to A.B. Won Pat Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to A.B. Won Pat Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to A.B. Won Pat Intl. (GUM) The easiest way to view the best deals on flights from Seattle to Guam today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to A.B. Won Pat Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Seattle and Guam - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Seattle to Guam flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to A.B. Won Pat Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Holiday Homes - Other - [Barrigada Hotels](https://www.expedia.co.uk/Barrigada-Hotels.d6054159.Travel-Guide-Hotels) - [Adults Only Resorts & in Guam](https://www.expedia.co.uk/Destinations-In-Guam-Adults-Only-Resorts.0-0-d70-tAdultsOnlyResorts.Hotel-Filter-Destinations) - [All-Inclusive Hotels in Guam](https://www.expedia.co.uk/Destinations-In-Guam-All-Inclusive-Hotel.0-0-d70-tAllInclusiveHotel.Hotel-Filter-Destinations) - [Beach Resorts & in Guam](https://www.expedia.co.uk/Destinations-In-Guam-Beach-Hotels.0-0-d70-tBeachHotels.Hotel-Filter-Destinations) - [Boutique Hotels in Guam](https://www.expedia.co.uk/Destinations-In-Guam-Boutique-Hotel.0-0-d70-tBoutiqueHotel.Hotel-Filter-Destinations) - [Cheap Hotels in Guam](https://www.expedia.co.uk/Destinations-In-Guam-Budget-Hotels.0-0-d70-tBudgetHotels.Hotel-Filter-Destinations) - 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