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£170 Cheap Flights from Columbus (CMH) to Seattle (SEA)

View £170 flight on Mon, 12 Oct 2026Opens 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 and start at £170 for one-way flights and £295 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 10 Nov - Sat, 14 Nov
CMH
Columbus
SEA
Seattle
£295 Return, found 6 days ago
£295
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 10 Nov from Columbus to Seattle, returning Sat, 14 Nov, priced at £295 found 6 days ago
Alaska Airlines
Tue, 6 Oct - Tue, 13 Oct
CMH
Columbus
SEA
Seattle
£298 Return, found 3 days ago
£298
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 6 Oct from Columbus to Seattle, returning Tue, 13 Oct, priced at £298 found 3 days ago
Alaska Airlines
Sun, 16 Aug - Fri, 21 Aug
CMH
Columbus
SEA
Seattle
£342 Return, found 5 days ago
£342
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 16 Aug from Columbus to Seattle, returning Fri, 21 Aug, priced at £342 found 5 days ago
Alaska Airlines
Fri, 4 Sept - Wed, 9 Sept
CMH
Columbus
SEA
Seattle
£345 Return, found 6 days ago
£345
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 4 Sept from Columbus to Seattle, returning Wed, 9 Sept, priced at £345 found 6 days ago
Alaska Airlines
Fri, 14 Aug - Fri, 21 Aug
CMH
Columbus
SEA
Seattle
£372 Return, found 4 days ago
£372
Return
found 4 days ago
Select Alaska Airlines flight, departing Fri, 14 Aug from Columbus to Seattle, returning Fri, 21 Aug, priced at £372 found 4 days ago
Alaska Airlines
Fri, 28 Aug - Mon, 31 Aug
CMH
Columbus
SEA
Seattle
£373 Return, found 4 days ago
£373
Return
found 4 days ago
Select Alaska Airlines flight, departing Fri, 28 Aug from Columbus to Seattle, returning Mon, 31 Aug, priced at £373 found 4 days ago
Alaska Airlines
Sun, 16 Aug - Fri, 21 Aug
CMH
Columbus
SEA
Seattle
£379 Return, found 5 days ago
£379
Return
found 5 days ago
Select Alaska Airlines flight, departing Sun, 16 Aug from Columbus to Seattle, returning Fri, 21 Aug, priced at £379 found 5 days ago
Alaska Airlines
Tue, 6 Oct - Mon, 12 Oct
CMH
Columbus
SEA
Seattle
£387 Return, found 3 days ago
£387
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 6 Oct from Columbus to Seattle, returning Mon, 12 Oct, priced at £387 found 3 days ago
Alaska Airlines
Thu, 13 Aug - Thu, 20 Aug
CMH
Columbus
SEA
Seattle
£390 Return, found 4 days ago
£390
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from Columbus to Seattle, returning Thu, 20 Aug, priced at £390 found 4 days ago
Alaska Airlines
Fri, 28 Aug - Mon, 31 Aug
CMH
Columbus
SEA
Seattle
£403 Return, found 4 days ago
£403
Return
found 4 days ago
Select Alaska Airlines flight, departing Fri, 28 Aug from Columbus to Seattle, returning Mon, 31 Aug, priced at £403 found 4 days ago

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

February is typically the cheapest month to fly

From £133 - £182 per traveller.

Frequently asked questions

How much does a flight from Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from £170 and cheap return flights from £295 CMH to SEA with Expedia. One-way flights typically cost between £95 and £474. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when CMH to SEA ticket fares go up or down.
What is the cheapest month to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from CMH to SEA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter CMH to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Columbus, OH (CMH) to Seattle, WA (SEA)?
To find a cheap flight from Columbus, OH (CMH) to Seattle, WA (SEA), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from John Glenn Columbus Intl. (CMH) to Seattle - Tacoma Intl. (SEA) typically departs around 5:00 AM. This service is operated by American Airlines. This is a seasonal service, active only in December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying from Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) covers a distance of around 3,236 kilometers. If you're lucky enough to find a nonstop flight, it will take about 5 hours 18 minutes. However, these are quite rare. Most flights will involve at least one stop, with one-stop journeys typically taking around 9 hours 18 minutes. Flights with two or more stops will naturally take longer, usually around 13 hours 48 minutes. Keep in mind that actual travel times can vary due to factors like wind patterns and specific routing.
Can you fly business or first class from Columbus, OH (CMH) to Seattle, WA (SEA)?
Select the "Business class" and "First class" filters when looking for Columbus, OH (CMH) to Seattle, WA (SEA) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle, WA (SEA) from Columbus, OH (CMH)?
If you're planning to travel to Seattle from John Glenn Columbus Intl. (CMH), you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), O'Hare Intl. (ORD), or Denver Intl. (DEN) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Columbus, OH (CMH-John Glenn Columbus Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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 Columbus, OH (CMH) to Seattle, WA (SEA)?
If you booked your Columbus, OH (CMH) to Seattle, WA (SEA) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
John Glenn Columbus Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines
Return price
£295
Distance
3217 km

Book with confidence

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 flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. 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 £295 and range up to £403.  

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 November, 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.  

Compare flights from Columbus to Seattle easily and book with confidence

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*Available to Expedia members.