Cheap Flights from Mount Vernon (MVN) to Seattle (SEA)

Popular airlines from Mount Vernon, IL (MVN-Mount Vernon Outland) to Seattle-Tacoma International Airport (SEA)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.
Flights from Mount Vernon (MVN) to Seattle (SEA)
Origin airport
Mount Vernon Outland
Destination airport
Seattle - Tacoma Intl.
Distance
1790 mi

Mount Vernon to Seattle Flights

The cheapest times to fly from Mount Vernon 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 Mount Vernon to Seattle are during the month of . You can find some of the cheapest flights from Mount Vernon to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Mount Vernon to Seattle

Sunday is one of the best days to book for cheap flights from Mount Vernon 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 Mount Vernon 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 Mount Vernon 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 Mount Vernon 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 Mount Vernon 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.

 

Frequently asked questions

Is it cheaper to buy a plane ticket from MVN to Seattle - Tacoma Intl. Airport (SEA) last minute?
Booking your trip from MVN to Seattle - Tacoma Intl. Airport (SEA) last minute could save you a pretty penny if you’re lucky to find an epic deal. However, tickets typically don’t come down in price as the departure date nears. If you hold out, flights could also be sold out or the best seats taken (we hope you like the middle seat!). If you want to be on the safe side, book well in advance of when you want to leave. In fact, Expedia has some of the biggest deals up to 12 months in advance. If your preferred airline hasn’t released its airfares yet, check back regularly as deals are constantly updated on Expedia.
What airports do you fly into for Seattle from Mount Vernon?
With Seattle - Tacoma Intl. Airport (SEA), Renton Municipal Airport (RNT) and Boeing Field Airport (BFI) to pick from, getting from Mount Vernon to Seattle is a snap. The city’s busiest terminal, Seattle - Tacoma Intl. Airport (SEA), is around 12 mi south of the center. As well as the price of tickets, consider things like the ease of getting from the airport and the distance to your hotel before making your choice. Get your Seattle adventure off to a flying start by checking out Space Needle and Pike Place Market.
Can I change the date of my flight from MVN to Sea-Tac Airport?
You can easily make changes to your MVN to Sea-Tac Airport flight via the Expedia Trips portal. But before doing so, review the ticket rules in your itinerary to see what you’re allowed to do and if any charges apply. Some airlines have a change fee per person, in addition to any difference in airfares. But if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also take a look at our Customer Service portal for further details and to connect with our Virtual Agent.

Explore a world of travel with Expedia

*Available to One Key members.