Cheap Flight Tickets from Columbus (CMH) to Seattle (SEA), Starting at $449

Good to Know: Cheapest and Fastest CMH - SEA Flights

Useful information for finding best airline tickets from Port Columbus International to Seattle Tacoma International on your next trip.

Cheapest Round Trip Flight

$449

DL Delta Airlines • 1 stop • 13h 36m

Oct 28 – Nov 02

The cheapest round trip flight from Columbus to Seattle (CMH-SEA-CMH) is currently $449

🔍 Search Flights

Cheapest Direct Flight

$886

AS Alaska Airlines • nonstop • 8h 25m

Oct 28

The cheapest nonstop flight from Columbus to Seattle (CMH-SEA) is currently $886

🔍 Search Flights

Fastest Flight

8h 25m

The fastest nonstop flight from Columbus to Seattle (CMH-SEA) takes 8h 25m

Top Airlines Flying from Columbus to Seattle

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from Columbus (CMH) to Seattle (SEA)

Compare and book low fare round-trip air tickets from Columbus to Seattle. Ideal for travelers with confirmed return itineraries.

Oct 28 - Nov 02, Economy
DL
Columbus → Seattle
13h 36m
6:43 PM - 11:59 PM • 1 stop
DL
Columbus → Seattle
12h 30m
11:10 PM - 10:00 AM • 1 stop
$449
Delta Airlines
Oct 28 - Nov 02, Economy
UA
Columbus → Seattle
12h 13m
10:59 AM - 3:32 PM • 1 stop
UA
Columbus → Seattle
10h 57m
12:45 PM - 10:42 PM • 1 stop
$645
United Airlines
Oct 28 - Nov 02, Economy
UA
Columbus → Seattle
15h 38m
12:25 PM - 7:03 PM • 1 stop
UA
Columbus → Seattle
10h 14m
2:30 PM - 11:44 PM • 1 stop
$651
United Airlines
Oct 28 - Nov 02, Economy
AS
Columbus → Seattle
15h 20m
5:24 AM - 11:44 AM • 1 stop
AS
Columbus → Seattle
7h 1m
1:34 PM - 8:55 PM • nonstop
$1122
Alaska Airlines
Oct 28 - Nov 02, Economy
AS
Columbus → Seattle
12h 38m
6:46 AM - 11:44 AM • 1 stop
AS
Columbus → Seattle
7h 1m
1:34 PM - 8:55 PM • nonstop
$1122
Alaska Airlines
Oct 28 - Nov 02, Economy
AS
Columbus → Seattle
15h 26m
2:02 PM - 8:28 PM • 1 stop
AS
Columbus → Seattle
10h 44m
11:42 PM - 9:26 AM • 1 stop
$1169
Alaska Airlines

Fly from Columbus to Seattle with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Columbus to Seattle? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Columbus to Seattle Flights

What are the airports in Columbus?
CMH
What’s the most popular airline flying from CMH to SEA?
The most popular airline flying from Columbus to Seattle are
Can I fly from CMH to SEA non-stop?
Yes, you can fly CMH to SEA non-stop on
Which airlines fly nonstop between Columbus and Seattle?
The non-stop flights between Columbus and Seattle are .
What’s the earliest departure time from CMH to SEA Airport?
The earliest flight leaves CMH at 5:24 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Columbus to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from CMH to SEA?
Read the fare rules of the Columbus to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Columbus and Seattle?
operate flights between Columbus and Seattle
How long does a flight from Columbus to Seattle take?
It takes approximately 5 hour to fly non-stop from CMH to SEA, which is 2016.03 miles by air.
Which airlines provide the cheapest flights from Columbus (CMH) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from CMH were found on UA : USD 651
Do I need a passport to fly between CMH and SEA?
No
What’s the latest departure time from CMH to SEA ?
The last flight leaves CMH at 6:43 pm

Essential Information for Booking Flights from Columbus (CMH) - AI Insights

What's the cheapest airline from cmh to sea?
For a round-trip economy flight from Port Columbus International Airport (CMH) to Seattle Tacoma International Airport (SEA) with 3 passengers, booking at least 12 days in advance, you can find budget-friendly options with airlines such as Southwest Airlines. Low fares and savings are available on flights with this airline, making it a great choice for those looking for affordable airfares.
What's the popular airline to fly from cmh to sea?
You can fly from Port Columbus International Airport (CMH) to Seattle Tacoma International Airport (SEA) on United Airlines. United Airlines offers a budget-friendly option for your round-trip journey. You can book your flights in advance to get the best airfares.
What's the cheapest day of the week to fly from cmh to sea?
The cheapest day to fly from Columbus (CMH) to Seattle (SEA) is typically Sunday. Booking in advance and considering off-peak travel dates can lead to more affordable airfares. For a round-trip economy flight, you can expect to find budget-friendly options with airlines offering savings on flights.
What's the cheapest month to fly from cmh to sea?
The cheapest month to fly from Port Columbus International Airport (CMH) to Seattle Tacoma International Airport (SEA) is October, as it tends to offer lower airfares compared to other months. Budget-friendly flights can be found during this period, making it an ideal time for travel.
Which airline/airlines fly from cmh to sea?
The airlines that fly from Port Columbus International Airport (CMH) to Seattle Tacoma International Airport (SEA) include Aeromexico, Delta Airlines, American Airlines, WestJet Airlines, Mexicana, United Airlines, Frontier Airlines, Southwest Airlines, Allegiant, and Alaska Airlines. You can find the cheapest flights on our website for your round-trip journey in July or December.
What is the cheapest airline to fly from Port Columbus International to Seattle Tacoma International?
Southwest Airlines (WN) offers the cheapest airfares for this route.
How far in advance can I book airfares for my round trip to Seattle?
It is recommended to book airfares at least 12 days in advance for the best deals.
Can I find cheap flights with airlines for my weekend getaway to Seattle?
Yes, you can find affordable flights with airlines like United Airlines (UA) and Southwest Airlines (WN).
What is the best way to book airflights for my trip to Seattle?
You can book airflights via a website for a convenient and hassle-free experience.
Are there any awesome deals on airfares for my return journey to Seattle?
October is the cheapest month to book airfares for your return journey to Seattle.

Columbus (CMH) to Seattle (SEA): Airport Information

Origin Airport Port Columbus International , Columbus, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance 2016 miles

More Flight Options for Columbus (CMH) and Seattle (SEA)

Why Fareleaders for CMH to SEA Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Columbus to Seattle flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on CMH to SEA flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Columbus to Seattle flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Columbus (CMH) to Seattle (SEA)
Terms and Conditions*