Cheap Flights from Seattle / Tacoma International to Port Columbus

Compare Seattle / Tacoma International to Port Columbus flight deals

Find the cheapest month or even day of the year to fly to Port Columbus

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Flight deals from Seattle / Tacoma International to Port Columbus

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

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

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

Direct flights from Seattle / Tacoma International to Port Columbus

Seattle / Tacoma International to Port Columbus: Alternative routes

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

Seattle to Columbus: Flight information

The things to know before you go.
Cheapest flight foundR 1,738
Cheapest month to flyAugust
Average flight time4 hrs, 30 mins
Most popular airlineAir Tahiti Nui
Average flights per week58

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

The best price we found for a return flight from Seattle / Tacoma International to Port Columbus is R 3,412. 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.
4 hours and 30 minutes is the average flight time from Seattle / Tacoma International to Port Columbus.
Air Tahiti Nui, American Airlines and Alaska Airlines fly direct from Seattle / Tacoma International to Port Columbus.
As of July 2025, there are 58 flights per week flying from Seattle / Tacoma International to Port Columbus.
The cheapest month to fly from Seattle / Tacoma International to Port Columbus is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Port Columbus Airport on Monday, 6 October 2025.
Yes – the average flight time is 4 hours and 30 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 Port Columbus 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 Columbus is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta and Hawaiian Airlines offer the cheapest flight tickets to Port Columbus.

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

  • Around 4 hours 25 minutes is how long you can expect to be travelling on a direct flight from Seattle-Tacoma International Airport to John Glenn Columbus International Airport.

  • The timezone in Columbus is UTC-4, which is three hours ahead of Seattle.

  • Flights from SEA to CMH start at 09:45 — the earliest with Alaska Airlines. The latest departure is at 22:20 with Alaska Airlines. In total, you can take your pick of nine weekly Seattle-Tacoma International Airport to John Glenn Columbus International Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Make sure you're at the airport on time to catch your SEA to CMH flight.

  • You'll likely experience longer queues during popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

  • Alaska Airlines is your ticket to exploring Columbus (and maybe even some other exciting corners of United States!). Check out the direct flights from Seattle-Tacoma International Airport to John Glenn Columbus International Airport offered by this airline.

  • Alaska Airlines has the highest passenger demand on this route.

  • Alaska Airlines is the most punctual carrier that offers SEA to CMH flights. A reliable 85.19% of its departures on this route arrive without delay.

  • We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Seattle-Tacoma International Airport to John Glenn Columbus International Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to explore the city of your choice. Worthwhile stopovers between SEA and CMH include:

    • Minneapolis-St. Paul International Airport

    • Denver International Airport

    • O'Hare International Airport

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

  • Right now, R 1,738 is the lowest price we've seen for a one-way Seattle-Tacoma International Airport to John Glenn Columbus International Airport flight. The best price for a return plane ticket is R 3,412. Remember that fares may change due to demand when booking.

  • Book six months before you travel. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from SEA to CMH.

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

  • There's no need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll send you an update as soon as a special offer becomes available on cheap flights from SEA to CMH.

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

Handy information about Seattle-Tacoma International Airport (SEA)

  • 81.27% of flights departing from Seattle-Tacoma International Airport arrive at their destination on time. Given its solid on-time performance, you're unlikely to be delayed when jetting out of SEA.

  • To get to Seattle-Tacoma International Airport from central Seattle, it'll take around 20 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 23 kilometres from the airport to the city centre.

  • Expect a trip time of roughly 55 minutes on public transport.

  • Booked an early flight from Seattle-Tacoma International Airport to John Glenn Columbus International Airport? Avoid the stress of rushing to the airport (and catch some extra z's) by picking one of these stays close to SEA:

Arriving at John Glenn Columbus International Airport (CMH)

Getting from John Glenn Columbus International Airport (CMH) to central Columbus

  • You'll find CMH at 4600 International Gateway.

  • John Glenn Columbus International Airport is approximately 13 kilometres from central Columbus. The drive time takes around 10 minutes.

  • It takes roughly 1 hour 5 minutes when travelling by public transport.

When to fly to John Glenn Columbus International Airport (CMH)

  • July is the busiest month for flights from Seattle-Tacoma International Airport to John Glenn Columbus International Airport. For a quieter experience, visit Columbus in April.

  • Book your flight from Seattle-Tacoma International Airport to John Glenn Columbus International Airport for July if you'd like to visit Columbus during its warmest month. You can expect temperatures of between 15ºC (59ºF) and 30ºC (86ºF).

  • Search for cheap tickets from SEA to CMH in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -11ºC (12ºF) and 6ºC (43ºF) on average.

Explore more of United States

  • You've seen Columbus, now it's time to explore other parts of United States. Travel around 451 kilometres north-west to Chicago to tick off its popular sights. From Millennium Park to Art Institute of Chicago and LandShark Beer Garden at Navy Pier, you'll have a full itinerary ahead.

  • If you're eager to discover another well-known destination in United States, head for Indianapolis, roughly 274 kilometres west of Columbus. The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo are among its highlights.

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