£160 Cheap Flights from Columbus (CMH) to Seattle (SEA)

Popular airlines from Port Columbus International Airport (CMH) 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 25% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap Flights from Columbus (CMH) to Seattle (SEA)

Prices were available within the past 7 days and start at £160 for one-way flights and £223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Flight from Columbus to Seattle route information
Origin airport
John Glenn Columbus Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines
Return price
£223
Distance
3217 km

Compare flights from Columbus to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Columbus to Seattle. Operating between them 4 flights per day, 20 airlines cover the route. And American Airlines, Alaska Airlines, Hawaiian Airlines, Air Tahiti Nui fly direct, getting you to Seattle - Tacoma Intl. in just 0hours. If you have a preferred carrier, use our advanced search tool to find the right flight from John Glenn Columbus Intl. to Seattle - Tacoma 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 John Glenn Columbus Intl. (CMH) to Seattle - Tacoma Intl. (SEA) 

The easiest way to view the best deals on flights from Columbus to Seattle 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 John Glenn Columbus Intl. to Seattle - Tacoma Intl. start at just £223 and range up to £298.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Columbus and Seattle
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Columbus to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from John Glenn Columbus Intl. to Seattle - Tacoma 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.  

Frequently asked questions

How much is a flight from CMH to Seattle - Tacoma Intl. Airport (SEA)?
Round-trip journeys from CMH to Sea-Tac Airport start from £223. This is based on fares available within the last 7 days on Expedia for flights departing within the next year — book now so you don’t miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from John Glenn Columbus Intl. Airport (CMH) to SEA?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from CMH to Seattle - Tacoma Intl. Airport (SEA) 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 John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from John Glenn Columbus Intl. Airport (CMH) to SEA?
The flight distance from John Glenn Columbus Intl. Airport (CMH) to Sea-Tac Airport is 3,200 kilometres. Listen to some music or bury your nose in a book and the trip will zip by.
Which airlines fly direct from CMH to SEA?
Flying nonstop from John Glenn Intl. Airport to SEA is a cinch with Alaska Airlines (AS). This top carrier offers 30 flights every month.
Are John Glenn Columbus Intl. Airport (CMH) to SEA flight tickets cheaper when they're purchased at the last minute?
It is possible to score amazing last-minute deals from John Glenn Intl. Airport to Sea-Tac Airport, but there’s no guarantee. As many airlines release seats up to a year in advance, it’s worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest easy knowing you’re always getting the latest offers.

Explore a world of travel with Expedia

*Available to Expedia members.