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$309+ Cheap flights from Columbia, MO to Seattle (COU - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
COU — SEA
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
1 adult, Economy
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Cheap flight deals from Columbia to Seattle

Cheapest flights from Columbia to Seattle
Explore the most affordable flight options available from Columbia to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.

This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:11 pm
COU
-
SEA
1 stop9h 34m
United Airlines
Sat 9/1911:00 pm
SEA
-
COU
1 stop9h 39m
United Airlines
Deal found 7/1$338
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:11 pm
COU
-
SEA
1 stop9h 32m
United Airlines
Tue 8/251:57 pm
SEA
-
COU
1 stop6h 58m
United Airlines
Deal found 6/30$354
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:55 am
COU
-
SEA
2 stops12h 20m
United Airlines
Wed 8/261:57 pm
SEA
-
COU
1 stop6h 58m
United Airlines
Deal found 6/29$359
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:35 pm
COU
-
SEA
1 stop7h 24m
American Airlines
Wed 8/267:40 am
SEA
-
COU
1 stop7h 07m
American Airlines
Deal found 6/30$399
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:00 am
COU
-
SEA
2 stops10h 27m
United Airlines
Wed 12/25:07 am
SEA
-
COU
2 stops10h 16m
United Airlines
Deal found 6/30$403
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:55 am
COU
-
SEA
1 stop10h 12m
United Airlines
Mon 8/2411:00 pm
SEA
-
COU
1 stop9h 16m
United Airlines
Deal found 6/29$409
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:26 pm
COU
-
SEA
1 stop7h 31m
American Airlines
Sun 8/211:56 pm
SEA
-
COU
1 stop8h 06m
American Airlines
Deal found 6/28$418
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:17 am
COU
-
SEA
1 stop7h 10m
United Airlines
Thu 9/241:56 pm
SEA
-
COU
1 stop6h 59m
United Airlines
Deal found 6/27$438

Find flight deals from Columbia to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Columbia (COU) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$338
(United Airlines)

One-way from

$309
(Kiwi.com)

Popular in

November

Cheapest in

May

Average price

$713
Provider with most accurate pricing for Columbia Regional-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Columbia Regional-Seattle/Tacoma Intl flights.
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From Columbia Regional to Seattle/Tacoma Intl
Search Deals
One-way flight from Columbia Regional to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 35% potential increase in price ($354 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease ($101 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Columbia 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, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2026.
Use the filters below to find and compare flights from Columbia to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ColumbiaSeattle

COU - SEA

COUSEA

Columbia Regional

Sat 9/12

3:11 pm-10:45 pm

1 stop9h 34m

Seattle/Tacoma Intl

Sat 9/19

11:00 pm-10:39 am

1 stop9h 39m

$338

ColumbiaSeattle

COU - SEA

COUSEA

Columbia Regional

Fri 8/21

10:55 am-11:26 pm

2 stops14h 31m

Seattle/Tacoma Intl

Wed 8/26

11:00 pm-10:16 am

1 stop9h 16m

$444

ColumbiaSeattle

COU - SEA

COUSEA

Columbia Regional

Mon 8/17

6:15 am-11:32 am

1 stop7h 17m

Seattle/Tacoma Intl

Mon 8/24

7:35 pm-10:16 am

2 stops12h 41m

$475

ColumbiaSeattle

COU - SEA

COUSEA

Columbia Regional

Wed 9/2

3:11 pm-10:43 pm

1 stop9h 32m

Seattle/Tacoma Intl

Fri 9/4

6:52 pm-2:30 pm

2 stops17h 38m

$537

ColumbiaSeattle

COU - SEA

COUSEA

Columbia Regional

Wed 8/19

10:55 am-7:07 pm

1 stop10h 12m

Seattle/Tacoma Intl

Sat 8/22

4:35 pm-10:16 am

2 stops15h 41m

$537

ColumbiaSeattle

COU - SEA

COUSEA

Columbia Regional

Thu 7/9

9:14 am-6:47 pm

2 stops11h 33m

Seattle/Tacoma Intl

Sun 7/12

11:11 pm-10:13 am

1 stop9h 02m

$574
Quickest round-trip

ColumbiaSeattle

COU - SEA

COUSEA

Columbia Regional

Thu 9/17

3:11 pm-10:45 pm

1 stop9h 34m

Seattle/Tacoma Intl

Sun 9/27

11:13 pm-10:37 am

1 stop9h 24m

$624

ColumbiaSeattle

COU - SEA

COUSEA

Columbia Regional

Sun 8/16

10:55 am-4:07 pm

1 stop7h 12m

Seattle/Tacoma Intl

Sun 8/23

7:35 pm-10:16 am

2 stops12h 41m

$657
Cheapest one-way

ColumbiaSeattle

COU - SEA

COUSEA

Columbia Regional

Wed 7/15

11:44 am-9:17 am

2 stops23h 33m

$353
Quickest one-way

ColumbiaSeattle

COU - SEA

COUSEA

Columbia Regional

Sat 9/5

10:55 am-7:07 pm

1 stop10h 12m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Columbia to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Columbia to Seattle in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Columbia, Missouri-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Columbia, Missouri-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Columbia, Missouri-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Columbia, Missouri-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Columbia, Missouri-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Columbia to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

How much does it cost to fly round-trip from Columbia, Missouri to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated July 2, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from Columbia 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.
United Airlines
7.4
Good
9,926 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
9,926 reviews
United Airlines
7.4
Good
9,926 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,770 reviews
United Airlines
7.4
Good
9,926 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

Find useful and relevant information for your journey from Columbia to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Columbia, Missouri to Seattle?

    A quick flight from Columbia, Missouri to Seattle can take about 9h 34m. United Airlines provides one of the quickest options available for as low as $338. Columbia, Missouri and Seattle are separated by a distance of 1616 mi.

  • What are the cheapest airlines flying from Columbia, Missouri to Seattle round-trip?

    Flying on United Airlines is currently your cheapest option to Seattle, with prices starting at $323. Another option worth looking into is American Airlines, starting at $338 round trip. These flights start at 50% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Columbia 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.

See more FAQs

Traveling to a place near Seattle?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Columbia to Seattle

Discover the top 2 airlines that operate flights from Columbia to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$323Average$523FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$338Average$682FlexibilityNo cancel feeOn-time71%

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