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Cheap flights from Columbus Airport to Seattle from $125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Columbus Airport to Seattle departing on 8/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Columbus Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:00 pm - 8:29 pm
CMH
-
SEA
9h 29m
1 stop
Delta Logo
11:53 pm - 9:57 am
SEA
-
CMH
7h 04m
1 stop
$249Delta
Thu, Sep 24 - Sat, Oct 3
Delta Logo
1:35 pm - 8:47 pm
CMH
-
SEA
10h 12m
1 stop
Delta Logo
11:53 pm - 9:57 am
SEA
-
CMH
7h 04m
1 stop
$273Delta
Tue, Sep 22 - Sat, Oct 3
Delta Logo
7:05 pm - 11:59 pm
CMH
-
SEA
7h 54m
1 stop
Delta Logo
11:25 am - 10:53 pm
SEA
-
CMH
8h 28m
1 stop
$274Delta
Sun, Oct 25 - Sat, Oct 31
Southwest Logo
7:20 pm - 12:30 am
CMH
-
SEA
8h 10m
1 stop
Southwest Logo
10:45 pm - 1:20 pm
SEA
-
CMH
11h 35m
1 stop
$278Southwest
Tue, Jul 7 - Tue, Jul 28
Southwest Logo
7:20 pm - 12:30 am
CMH
-
SEA
8h 10m
1 stop
Southwest Logo
10:45 pm - 12:15 pm
SEA
-
CMH
10h 30m
1 stop
$279Southwest
Tue, Jul 7 - Fri, Jul 10
Southwest Logo
1:10 pm - 8:15 pm
CMH
-
SEA
10h 05m
2 stops
Southwest Logo
5:20 am - 6:00 pm
SEA
-
CMH
9h 40m
2 stops
$283Southwest
Tue, Sep 1 - Wed, Sep 9
United Airlines Logo
5:30 am - 9:40 am
CMH
-
SEA
7h 10m
1 stop
United Airlines Logo
11:20 pm - 9:49 am
SEA
-
CMH
7h 29m
1 stop
$284United Airlines
Sat, Jun 6 - Wed, Jun 10
Southwest Logo
7:20 pm - 12:30 am
CMH
-
SEA
8h 10m
1 stop
Southwest Logo
10:45 pm - 12:25 pm
SEA
-
CMH
10h 40m
1 stop
$289Southwest
Tue, Jul 14 - Thu, Jul 23
Delta Logo
1:58 pm - 8:46 pm
CMH
-
SEA
9h 48m
1 stop
Delta Logo
11:15 pm - 11:23 am
SEA
-
CMH
9h 08m
1 stop
$294Delta
Sat, Jul 18 - Thu, Jul 23
United Airlines Logo
5:20 am - 11:44 am
CMH
-
SEA
9h 24m
2 stops
United Airlines Logo
5:00 am - 2:34 pm
SEA
-
CMH
6h 34m
1 stop
$295United Airlines
Tue, Sep 15 - Tue, Sep 22

Southwest flights from Columbus Airport to Seattle

Our best Southwest deals on Columbus Airport to Seattle flight tickets
Southwest
Jul 7
CMH7:20 pmColumbus
8h 10m
1 stop
SEA12:30 amSeattle/Tacoma Intl
Jul 28
SEA10:45 pmSeattle/Tacoma Intl
11h 35m
1 stop
CMH1:20 pmColumbus
$278
Southwest
Jul 7
CMH7:20 pmColumbus
8h 10m
1 stop
SEA12:30 amSeattle/Tacoma Intl
Jul 10
SEA10:45 pmSeattle/Tacoma Intl
10h 30m
1 stop
CMH12:15 pmColumbus
$279
Southwest
Sep 1
CMH1:10 pmColumbus
10h 05m
2 stops
SEA8:15 pmSeattle/Tacoma Intl
Sep 9
SEA5:20 amSeattle/Tacoma Intl
9h 40m
2 stops
CMH6:00 pmColumbus
$283

Delta flights from Columbus Airport to Seattle

Our best Delta deals on Columbus Airport to Seattle flight tickets
Delta
Sep 24
CMH2:00 pmColumbus
9h 29m
1 stop
SEA8:29 pmSeattle/Tacoma Intl
Oct 3
SEA11:53 pmSeattle/Tacoma Intl
7h 04m
1 stop
CMH9:57 amColumbus
$249
Delta
Sep 22
CMH1:35 pmColumbus
10h 12m
1 stop
SEA8:47 pmSeattle/Tacoma Intl
Oct 3
SEA11:53 pmSeattle/Tacoma Intl
7h 04m
1 stop
CMH9:57 amColumbus
$273
Delta
Oct 25
CMH7:05 pmColumbus
7h 54m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Oct 31
SEA11:25 amSeattle/Tacoma Intl
8h 28m
1 stop
CMH10:53 pmColumbus
$274

momondo Fare Finder

 
Customize your flight search to find flights from Columbus Airport to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 21, 2026.
Use the filters below to find and compare flights from Columbus Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ColumbusSeattle

CMH - SEA

CMHSEA

Columbus

Thu 9/24

2:00 pm-8:29 pm

1 stop9h 29m

Seattle/Tacoma Intl

Sat 10/3

11:53 pm-9:57 am

1 stop7h 04m

$249

ColumbusSeattle

CMH - SEA

CMHSEA

Columbus

Tue 9/22

1:35 pm-8:47 pm

1 stop10h 12m

Seattle/Tacoma Intl

Sat 10/3

11:53 pm-9:57 am

1 stop7h 04m

$273

ColumbusSeattle

CMH - SEA

CMHSEA

Columbus

Sun 10/25

7:05 pm-11:59 pm

1 stop7h 54m

Seattle/Tacoma Intl

Sat 10/31

11:25 am-10:53 pm

1 stop8h 28m

$274

ColumbusSeattle

CMH - SEA

CMHSEA

Columbus

Tue 7/7

7:20 pm-12:30 am

1 stop8h 10m

Seattle/Tacoma Intl

Tue 7/28

10:45 pm-1:20 pm

1 stop11h 35m

$278

ColumbusSeattle

CMH - SEA

CMHSEA

Columbus

Tue 7/7

7:20 pm-12:30 am

1 stop8h 10m

Seattle/Tacoma Intl

Fri 7/10

10:45 pm-12:15 pm

1 stop10h 30m

$279

ColumbusSeattle

CMH - SEA

CMHSEA

Columbus

Tue 9/1

1:10 pm-8:15 pm

2 stops10h 05m

Seattle/Tacoma Intl

Wed 9/9

5:20 am-6:00 pm

2 stops9h 40m

$283
Quickest round-trip

ColumbusSeattle

CMH - SEA

CMHSEA

Columbus

Sat 6/6

5:30 am-9:40 am

1 stop7h 10m

Seattle/Tacoma Intl

Wed 6/10

11:20 pm-9:49 am

1 stop7h 29m

$284

ColumbusSeattle

CMH - SEA

CMHSEA

Columbus

Tue 7/14

7:20 pm-12:30 am

1 stop8h 10m

Seattle/Tacoma Intl

Thu 7/23

10:45 pm-12:25 pm

1 stop10h 40m

$289

ColumbusSeattle

CMH - SEA

CMHSEA

Columbus

Sat 7/18

1:58 pm-8:46 pm

1 stop9h 48m

Seattle/Tacoma Intl

Thu 7/23

11:15 pm-11:23 am

1 stop9h 08m

$294

ColumbusSeattle

CMH - SEA

CMHSEA

Columbus

Tue 9/15

5:20 am-11:44 am

2 stops9h 24m

Seattle/Tacoma Intl

Tue 9/22

5:00 am-2:34 pm

1 stop6h 34m

$295

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Columbus Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Columbus Airport and Seattle?

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Columbus Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $207. If you don’t want to visit Seattle in January, then you should wait until April to fly from Columbus Airport, when ticket prices are also cheap, with an average price of $248.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Columbus Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $397. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Columbus Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $548.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Columbus Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $411 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $480. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Columbus to Seattle/Tacoma Intl flight route?

Fly from Columbus to Seattle/Tacoma Intl for the best Columbus - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight from Columbus Airport to Seattle?

You are more likely to see cheaper flights to Seattle from Columbus Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $337 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Columbus Airport for as low as $297 on momondo.

What cabin class options are available on Columbus Airport to Seattle flights?

There are 4 cabin classes available to choose from on Columbus Airport to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Columbus Airport to Seattle flights?

No. A direct flight is the cheapest option for a flight between Columbus Airport to Seattle.

How have Columbus Airport to Seattle flight prices changed over time?

As of May 2026, prices for Columbus Airport to Seattle flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Columbus Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Columbus Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Columbus Airport to Seattle (CMH to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Columbus Airport to Seattle

Best Price Found

$288

Fastest flight time

5h 00m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Columbus Airport in the past 72 hours is $288. The best round-trip flight deal from Columbus Airport to Seattle found on momondo in the last 72 hours is $476.
The fastest flight from Columbus Airport to Seattle takes 5h 00m
Direct flights go from Columbus Airport to Seattle every day.
There is 1 airport in Seattle. From Columbus Airport there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Columbus Airport to Seattle

  • How far is Columbus to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 2011.3 mi away from Columbus. In terms of flight time, this usually takes a little over 5h 00m.

  • When did momondo last update prices for flights from Columbus Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Columbus Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Columbus Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Columbus Airport to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Columbus Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Columbus Airport to Seattle?

  • What is the most popular airline from Columbus Airport to Seattle?

Best airlines flying from Columbus Airport to Seattle

Compare and see reviews for airlines that fly from Columbus Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $119Free CancellationRating
7.9
8,449 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $129Free CancellationRating
7.8
2,835 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $134Free CancellationRating
5.6
2,945 reviews
Search Frontier flights
SouthwestPriceFrom $177Free CancellationRating
7.9
4,281 reviews
Search Southwest flights
American AirlinesPriceFrom $178Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $203Free CancellationRating
7.9
12,392 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,745 reviews
Search United Airlines flights

  • Alaska Airlines Flights From Columbus Airport to Seattle

    Alaska Airlines is one of the most popular airlines flying from Columbus Airport to Seattle, operating 4 flights/week on average for this route. A good Alaska Airlines flight deal for Columbus Airport to Seattle starts from $203 round-trip, up to an average price of $396. Our users have rated Alaska Airlines at 7.9/10.

  • United Airlines Flights From Columbus Airport to Seattle

    Across 9,745 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Columbus Airport to Seattle about 1 time each week, with ticket deals ranging from $226 to $342. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Puyallup
Lakewood
Tukwila
Marysville
Cle Elum
Federal Way
Fife
Centralia
Westport
Shoreline
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Columbus to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Columbus.

Can I find flights from Columbus to Seattle with flexible booking policies on momondo?

Yes. All flights to Seattle from Columbus on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Columbus to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Columbus.

I’m not ready to book a flight from Columbus to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Columbus are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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