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

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Compare Columbus to Seattle / Tacoma International flight deals

Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

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Flight deals from Columbus to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Columbus to Seattle / Tacoma International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Columbus to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Columbus to Seattle / Tacoma International flights are currently cheapest in August.

Direct flights from Columbus to Seattle / Tacoma International

Columbus to Seattle / Tacoma International: Alternative routes

Compare routes from Columbus to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Columbus to Seattle: Flight information

The things to know before you go.
Cheapest flight found$288
Cheapest month to flyAugust
Average flight time5 hrs, 3 mins
Most popular airlineHawaiian Airlines
Average flights per week40

Finding cheap flights from Columbus to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Columbus to Seattle / Tacoma International is $289. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 2 minutes is the average flight time from Columbus to Seattle / Tacoma International.
Hawaiian Airlines, Air Tahiti Nui and American Airlines fly direct from Columbus to Seattle / Tacoma International.
As of June 2025, there are 80 flights per week flying from Columbus to Seattle / Tacoma International.
The cheapest month to fly from Columbus to Seattle / Tacoma International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Columbus to Seattle / Tacoma International Airport on Tuesday, 26 August 2025.
Yes – the average flight time is 5 hours and 2 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Columbus to Seattle-Tacoma International Airport (SEA): what you need to know

  • All great adventures start at one of Columbus's main airports, John Glenn Columbus International Airport (CMH) or Rickenbacker International Airport (LCK). Explore the options for booking a flight from Columbus to Seattle-Tacoma International Airport (SEA) departing from either of these bases.

  • 5 hours 6 minutes is the average journey time for a direct flight from Columbus to Seattle-Tacoma International Airport.

  • Seattle-Tacoma International Airport is located in Seattle. The city operates in the UTC-7 timezone and is 3 hours behind Columbus.

  • The busiest route is from John Glenn Columbus International Airport (CMH) to Seattle-Tacoma International Airport (SEA), with 9 direct weekly services. If you want to get going as soon as possible, the earliest flight from CMH to SEA is the 07:01 Alaska Airlines option. If you prefer to travel later, the last departure is at 18:31 with Alaska Airlines.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Show up at the airport on time to board your flight from Columbus to SEA.

  • If you're travelling during a popular month like July, arrive at the terminal even earlier. It's wise to arrive up to four hours before an international flight and two hours ahead of domestic departures. You can expect lines to be longer during high seasons like spring break and summer.

Airports in Columbus

John Glenn Columbus International Airport (CMH)

  • Get to your destination in one go from John Glenn Columbus International Airport (CMH). Direct flights from Columbus to Seattle-Tacoma International Airport (SEA) operate from here.

  • When departing from CMH, you can take a direct flight from Columbus to Seattle-Tacoma International Airport with Alaska Airlines.

  • CMH is around 13 kilometres from the centre of Columbus. To help you work out how to get there, use Google Maps. This essential travel app will show you the best route and your public transport options.

  • Want a stress-free start to your journey? Stay near John Glenn Columbus International Airport. Whether you have an early flight from Columbus to Seattle-Tacoma International Airport or just don't like being rushed, these hotels have you covered:

About Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • From Seattle-Tacoma International Airport, Seattle is approximately 23 kilometres away. It takes around 18 minutes to get to the centre driving.

  • It takes around 54 minutes when travelling by public transport.

How to find the cheapest flights from Columbus to Seattle-Tacoma International Airport (SEA)

  • Pick up a one-way ticket from Columbus to Seattle-Tacoma International Airport from $139 or travel return from just $288. Prices are accurate at the time of listing and may change based on availability when you book.

  • 8 months is how far you'll want to book ahead to lock in flight tickets from Columbus to SEA.

  • The cheapest month for tickets from Columbus to Seattle-Tacoma International Airport is May. Use the 'Whole month' tool to find the most affordable day to fly if you're flexible with your plans.

  • Create a Price Alert for flight tickets from Columbus to SEA. You don't need to search every day to see if prices have dropped. We'll notify you the moment there's a change in price.

  • Customise your trip with filters. Adjust the total duration, number of stops, and departure and arrival times to find the ideal flight from Columbus to Seattle-Tacoma International Airport. You can also sort the results to see the 'Fastest,' 'Cheapest' or 'Best' options first.

The best time to fly from Columbus to Seattle-Tacoma International Airport (SEA)

  • July is the busiest month to hop on a flight from Columbus to Seattle-Tacoma International Airport while May is the quietest. To work out the best time to go to Seattle, consider whether you prefer a lively vibe or a quieter pace.

  • Before booking a flight from Columbus to SEA, think about the type of weather you enjoy. August is the warmest month in Seattle, with temperatures ranging from 12ºC to 28ºC.

  • If you'd rather travel in cooler conditions, look for a cheap flight from Columbus to Seattle-Tacoma International Airport in February when temperatures average between -1ºC and 11ºC.

More about Seattle

Complete your Seattle trip with a car rental

  • Close all those tabs and leave the hard work to us. We've also got amazing deals on car rentals in Seattle once you've booked your cheap flight from Columbus to Seattle-Tacoma International Airport. Instantly compare prices all in one place and drive away with the perfect rental for less.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.