Cheap Flights from Fort Collins (FNL) to Seattle (SEA)

Popular airlines from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle-Tacoma International Airport (SEA)

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Frequently asked questions

How much does a flight from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight or cheap return flight from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from FNL to SEA is , when demand is low. Off-peak season is typically when airlines offer better prices between these airports.
Which airlines fly direct from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle - Tacoma Intl. Airport (SEA)?
There's no direct route from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle - Tacoma Intl. Airport (SEA). However, there are other airports that offer nonstop flights. Board your plane at Denver Intl. Airport (DEN) and travel straight to Seattle without layovers.
What is the cheapest airline that flies from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle - Tacoma Intl. Airport (SEA)?
To find the cheapest airline that'll fly you from FNL to SEA, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle - Tacoma Intl. Airport (SEA)?
There are no daily direct flights departing from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle - Tacoma Intl. Airport (SEA). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from FNL to SEA?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle - Tacoma Intl. Airport (SEA)?
Opt for a flight from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle - Tacoma Intl. Airport (SEA) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute fares from FNL to SEA are usually more expensive. For the lowest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel dates, you may find a cheap fare right before your journey.
Is it cheaper to book a FNL to SEA flight and hotel package?
Opting for a FNL to SEA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Seattle - Tacoma Intl. Airport (SEA)?
If you booked your FNL to SEA flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Fort Collins-Loveland Municipal
Destination airport
Seattle - Tacoma Intl.
Distance
983 mi

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Fort Collins to Seattle Flights

The cheapest times to fly from Fort Collins to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Fort Collins to Seattle are during the month of . You can find some of the cheapest flights from Fort Collins to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Fort Collins to Seattle

Sunday is one of the best days to book for cheap flights from Fort Collins to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Fort Collins to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Fort Collins to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Fort Collins to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Fort Collins to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Fort Collins to Seattle Flights

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