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

View AU$347 flight on Sun, 26 Oct 2025Opens in a new window

Popular airlines from Port Columbus International Airport (CMH) to Seattle-Tacoma International Airport (SEA)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA)

August is typically the cheapest month to fly

From AU$207 - AU$382 per traveller.

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 . 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.

Travel information

Travel information

Origin airport
John Glenn Columbus Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
3217 km
Average flight time
5 hours 6 mins

Book with confidence

Book with confidence

Your quick guide to flights from Columbus to Seattle

Pick up great flights from Columbus to Seattle

With Expedia, you have your pick of flights a day with 15 airlines covering flights from Columbus to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Columbus to Seattle that take around hours.

Find cheap flights from Columbus to Seattle

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Columbus to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in .

Reasons to book your flight from Columbus to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Columbus to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Columbus to Seattle
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