163 € Cheap Flights from Port Columbus to Seattle / Tacoma International

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Flight deals from Port Columbus to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Port Columbus Airport to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from 235 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Port 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 Port Columbus to Seattle / Tacoma International flights are currently cheapest in September.

Direct flights from Port Columbus to Seattle / Tacoma International

Port Columbus to Seattle / Tacoma International: Alternative routes

Compare routes from Port 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 found163 €
Cheapest month to flySeptember
Average flight time5 hrs, 8 mins
Most popular airlineAlaska Airlines
Average flights per week53

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

The best price we found for a return flight from Port Columbus to Seattle / Tacoma International is 163 €. 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 8 minutes is the average flight time from Port Columbus to Seattle / Tacoma International.
Alaska Airlines, American Airlines and Finnair fly direct from Port Columbus to Seattle / Tacoma International.
As of June 2026, there are 25 flights per week flying from Port Columbus to Seattle / Tacoma International.
The cheapest month to fly from Port Columbus to Seattle / Tacoma International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Port Columbus Airport to Seattle / Tacoma International Airport on Wednesday, 16 September 2026.
Yes – the average flight time is 5 hours and 8 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.
Currently, Southwest Airlines and Alaska Airlines offer the cheapest flight tickets to Seattle / Tacoma International.

Flying from John Glenn Columbus International Airport (CMH) to Seattle-Tacoma International Airport (SEA): what you need to know

  • Around 5 hours 5 minutes is how long you'll be travelling on a direct flight from John Glenn Columbus International Airport to Seattle-Tacoma International Airport.

  • Seattle's timezone is UTC-7, which makes Seattle three hours behind Columbus.

  • Each week, there are nine John Glenn Columbus International Airport to Seattle-Tacoma International Airport flights. If you'd like to get going as early as possible, pick the 07:01 Alaska Airlines flight. If you're eager to make the most of your day before flying, the latest flight is at 18:31 with Alaska Airlines.

  • Leave plenty of time to make your CMH to SEA flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's best to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of international flights when you travel during peak periods in general.

  • Travelling to Seattle (and then seeing more of United States!) is a snap with Alaska Airlines. This popular carrier offers direct flights from John Glenn Columbus International Airport to Seattle-Tacoma International Airport.

  • The airline that serves the most passengers on this route is Alaska Airlines.

  • Alaska Airlines is the most punctual carrier offering CMH to SEA flights. An impressive 88.89% of its departures on this route land as scheduled.

  • If you'd like to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from John Glenn Columbus International Airport to Seattle-Tacoma International Airport. These are the most popular stopovers between CMH and SEA:

    • O'Hare International Airport

    • Chicago Midway International Airport

    • Minneapolis-St. Paul International Airport

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

  • Right now, 103 € is the cheapest price we've seen for a one-way John Glenn Columbus International Airport to Seattle-Tacoma International Airport flight. The best price for a return ticket is 163 €. Remember that fares could change due to availability at the time of booking.

  • Get cheap tickets from CMH to SEA by booking at least six months ahead. Based on our research, that's the sweet spot for landing a bargain.

  • The cheapest month for flights from John Glenn Columbus International Airport to Seattle-Tacoma International Airport is May. Use the 'Whole month' tool to see the lowest airfares if you have flexible travel dates.

  • Snapping up cheap flights from CMH to SEA is easy with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Tailor your trip using filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from John Glenn Columbus International Airport to Seattle-Tacoma International Airport.

Handy information about John Glenn Columbus International Airport (CMH)

  • CMH is located at 4600 International Gateway.

  • 79.5% of flights departing from John Glenn Columbus International Airport reach their destination on schedule.

  • To get to John Glenn Columbus International Airport from central Columbus, it takes around 10 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 13 kilometres from the airport to the city centre.

  • You can expect a journey time of around 1 hour 5 minutes when using public transport.

  • Booked an early flight from John Glenn Columbus International Airport to Seattle-Tacoma International Airport? Avoid rushing to the airport (and get some extra shut-eye) by picking one of these hotels near CMH:

Arriving at Seattle-Tacoma International Airport (SEA)

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

  • Seattle-Tacoma International Airport to central Seattle has a drive time of around 20 minutes. It's approximately 23 kilometres away.

  • It'll take around 55 minutes if you're travelling on public transport.

When to fly to Seattle-Tacoma International Airport (SEA)

  • July is the most popular month for flights from John Glenn Columbus International Airport to Seattle-Tacoma International Airport. To steer clear of the crowds, travel to Seattle in May.

  • When booking your flight from John Glenn Columbus International Airport to Seattle-Tacoma International Airport, consider the type of weather you enjoy. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • If you want cooler conditions, search for a cheap ticket from CMH to SEA in February. Temperatures average between -1ºC (30ºF) and 11ºC (52ºF) then.

Explore more of United States

  • Portland is just one of the many cities in United States waiting to be discovered after you've seen Seattle. Around 241 kilometres away to the south, check out popular attractions including Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If you're looking to explore another great destination in United States, consider Spokane, about 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are key reasons to visit.

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