Title: Cheap Flights from Fort Collins (FNL) to Seattle (SEA) - Expedia.ca ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Fort Collins (FNL) to Seattle (SEA) - [Roundtrip](?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 Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle-Tacoma International Airport (SEA) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:fnl,to:sea,departure:11/11/2025TANYT&leg2=from:sea,to:fnl,departure:18/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:fnl,to:sea,departure:11/11/2025TANYT&leg2=from:sea,to:fnl,departure:18/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:fnl,to:sea,departure:11/11/2025TANYT&leg2=from:sea,to:fnl,departure:18/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:fnl,to:sea,departure:11/11/2025TANYT&leg2=from:sea,to:fnl,departure:18/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:fnl,to:sea,departure:11/11/2025TANYT&leg2=from:sea,to:fnl,departure:18/11/2025TANYT&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.ca/Flights-Search?leg1=from:fnl,to:sea,departure:11/11/2025TANYT&leg2=from:sea,to:fnl,departure:18/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:fnl,to:sea,departure:11/11/2025TANYT&leg2=from:sea,to:fnl,departure:18/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![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 30% 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.ca/login) Flight from Fort Collins to Seattle (FNL - SEA) route information | Origin airport | Fort Collins-Loveland Municipal | | --- | --- | | Destination airport | Seattle - Tacoma Intl. | | Distance | 1573 km | ## Loveland to Seattle Flights **The easy way to book your flights from Fort Collins to Seattle**  With Expedia, it’s simple to find and book flights to Seattle from Fort Collins whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Fort Collins to Seattle today, tomorrow, or this week.   **Save dollars with cheap flights from Fort Collins-Loveland Municipal, FNL to Seattle - Tacoma Intl., SEA**  Sort your search results by price to find great deals on your flight from Fort Collins to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Fort Collins currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Seattle   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Seattle from Fort Collins**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today. ## Frequently asked questions ### How much is a flight from FNL to Sea-Tac Airport? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight from FNL to Seattle - Tacoma Intl. Airport (SEA) was . Cheap fares don't stick around for long, so book yours today. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from FNL to Sea-Tac Airport? > We understand that circumstances change unexpectedly, 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.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from FNL to Sea-Tac Airport that have flexible change policies? > Flights from FNL to Sea-Tac Airport with flexible change policies are available with many airlines. Simply use our "No change fees" filter during your search. You'll only need to pay the cost difference between flights, without any extra fees to worry about. ### How far is the flight from FNL to Sea-Tac Airport? > The flight distance between FNL and Seattle - Tacoma Intl. Airport (SEA) is 1,600 kilometres. Bring along a drink, a few snacks and a good movie. Keep yourself occupied and time will zip by. ### Which airlines fly direct from FNL to Sea-Tac Airport? > If you want to fly straight from FNL to Sea-Tac Airport, you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly on this route. ### Are FNL to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute? > Flight prices go up and down like a yo-yo, so it's no sure thing. While last-minute deals between FNL and Sea-Tac Airport are possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some air carriers announce their prices up to 12 months before the departure date. Expedia is constantly updating the best bargains around, so keep checking back and be ready to book when fare prices drop. ## Explore a world of travel with Expedia - Lodging - Flights ### Lodging - [Seattle Hotels](https://www.expedia.ca/Seattle-Hotels.d178307.Travel-Guide-Hotels) ### Flights - [Flights from Hayden to SeaTac](https://www.expedia.ca/lp/flights/113630/156205/hayden-to-seatac) - [Flights from Great Bend to Port Angeles](https://www.expedia.ca/lp/flights/1283/862/great-bend-to-port-angeles) - [Flights from Longview to SeaTac](https://www.expedia.ca/lp/flights/1314/156205/longview-to-seatac) - [Flights from New Delhi to SeaTac](https://www.expedia.ca/lp/flights/177865/156205/new-delhi-to-seatac) - [Flights from Calgary to SeaTac](https://www.expedia.ca/lp/flights/178245/156205/calgary-to-seatac) - [Flights from Mexico City to SeaTac](https://www.expedia.ca/lp/flights/178285/156205/mexico-city-to-seatac) - [Flights from Minneapolis - St. Paul to SeaTac](https://www.expedia.ca/lp/flights/178287/156205/minneapolis-st-paul-to-seatac) - 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