$93 Cheap Flights from Columbus (CMH) to Seattle (SEA)

Popular airlines from John Glenn Columbus Intl. Airport (CMH) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Columbus to Seattle (CMH-SEA)

Prices were available within the past 7 days and start at $93 for one-way flights and $190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
Southwest Airlines
American Airlines
Southwest Airlines
Delta
American Airlines
Southwest Airlines
Alaska Airlines

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

September is typically the cheapest month to fly

From $122 - $246 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Columbus (CMH) to Seattle (SEA)
Origin airport
John Glenn Columbus Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$190
Distance
2010 mi
Average flight time
2 hours 32 mins

Columbus to Seattle Flights

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

 

The best time to book a flight from Columbus to Seattle

Sunday is one of the best days to book for cheap flights from Columbus 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 Columbus 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 Columbus to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $93 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 Columbus 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 Columbus 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

How much does a flight from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA) cost?
You can score cheap return fares from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA) starting at $217. Book a seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving CMH on August 16 2025 and touching down at SEA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from CMH to SEA?
The cheapest flights from CMH to SEA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA)?
When heading out of John Glenn Columbus Intl. Airport (CMH), you can jump on a nonstop flight to Seattle - Tacoma Intl. Airport (SEA) with Alaska Airlines.
What is the cheapest airline that flies from CMH to SEA?
Fly from CMH to SEA with Alaska Airlines. This carrier currently has the lowest one-way fare for this route, starting at $127. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CMH on August 20 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA)?
On average, you can choose from 5 direct flights each week from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA). To broaden your travel options, consider flights with layovers. Simply enter your dates on Expedia and then filter your search to show one stop or more.
What are the most popular departure times for flights from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA)?
The 6 PM departures from CMH to SEA see the highest demand. Greater demand means you'll likely pay more for these departures. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from CMH to SEA?
Fly on a Friday if you're looking for the best choice of flights from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA).
What is the earliest flight from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA)?
John Glenn Columbus Intl. Airport (CMH)'s earliest flight to Seattle - Tacoma Intl. Airport (SEA) takes off at approximately 6:17PM UTC-5. With a total travel time of 5h 18m, you'll arrive at around 8:35PM UTC-8.
How long does it take to fly from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA)?
Flights from CMH to SEA have an average travel time of 5 hours and 18 minutes. The distance between the two airports is 2,000 mi.
What is the best time to fly from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid potential delays on the John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be canceled.**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.
What airports do you fly into for Seattle from John Glenn Columbus Intl. Airport (CMH)?
Seattle - Tacoma Intl. Airport (SEA) is the only airport in Seattle with direct flights from John Glenn Columbus Intl. Airport (CMH). Compare the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your flight from CMH to SEA shortly before your getaway is usually more expensive. However, if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a CMH to SEA flight and hotel package?
Securing a CMH to SEA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from John Glenn Columbus Intl. Airport (CMH) to Seattle - Tacoma Intl. Airport (SEA)?
Generally, it's possible to reschedule or cancel your CMH to SEA flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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