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Cheap flights from Columbus to Seattle (SEA)

CMH — SEA
Oct 28 — Nov 41
Wed 10/28
Wed 11/4
1 adult, Economy
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Cheapflights Tip: The best prices from Columbus to Seattle/Tacoma Intl are usually found in January or April, booked 83 days in advance, depart on a Wednesday or Friday and return on a Friday

Find flight deals from Columbus to Seattle

Popular in

June

Cheapest in

January

Average price

$405
Highest demand for flights based on searches. 15% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Best time to book a flight from Columbus to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Columbus with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Columbus to Seattle

How far ahead should I book a flight from Columbus to Seattle?

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Columbus to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Columbus to Seattle?

Currently, January is the cheapest month in which you can book a flight from Columbus to Seattle (average of $226). Flying from Columbus to Seattle in June is currently the most expensive (average of $509). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CMH to SEA?

Unlike in the morning, when flights are generally more expensive, you can save up to 71% on flights from Columbus to Seattle by exploring options for tickets at noon.

Reviews of airlines servicing Seattle

Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Columbus to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,200 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Southwest
8.0
Very good
4,200 reviews
Southwest
8.0
Very good
4,200 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Alaska Airlines
7.9
Good
12,981 reviews
Southwest
8.0
Very good
4,200 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Delta
7.8
Good
8,606 reviews
Southwest
8.0
Very good
4,200 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
United Airlines
7.4
Good
10,247 reviews
Southwest
8.0
Very good
4,200 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
American Airlines
7.0
Good
12,098 reviews
Southwest
8.0
Very good
4,200 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Related info for your journey

  • What airport do you fly into for flights to Seattle from Columbus?

    If you book a flight to Seattle from Columbus, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 3 flights from Columbus to Seattle/Tacoma Intl per day from 5 different airlines.

  • What are the cheapest airlines flying from Columbus to Seattle round-trip?

    According to our current data, Delta ($129), American Airlines ($178), and Southwest ($178) offers the cheapest pricing from Columbus to Seattle. These flights start at 65% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Columbus to Seattle one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $98. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from Columbus to Seattle for a low price.

  • What are the most reliable airlines from Columbus to Seattle?

    Consider Finnair (72%), American Airlines (66%) or Alaska Airlines (66%) when booking your flight. These represent the most reliable airlines when flying from Columbus to Seattle.

  • What are the cheapest flights from Columbus to Seattle?

    On average you can expect to pay $479 for a flight from Columbus to Seattle. The cheapest flight overall is $187 while the most popular route, (Columbus - Seattle/Tacoma Intl) is currently priced at $402.

  • Can I find deals for flights from Columbus to Seattle that include hotel bookings?

    Yes. In addition to deals on Columbus to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Columbus to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Columbus to Seattle.

  • Can I find deals for business class flights from Columbus to Seattle?

    Yes. Cheapflights offers flight deals from Columbus to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Columbus to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Columbus to Seattle (average of $226). Flying from Columbus to Seattle in June is currently the most expensive (average of $509). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
Poulsbo

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Columbus to Seattle

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$129Average$397FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$449FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$178Average$388FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$205Average$474FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$236Average$417FlexibilityNo cancel feeOn-time69%

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