Cheap Flights From Kansas City Intl. (MCI) To Seattle - Tacoma Intl. (SEA)

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Cheapest Flights from Kansas City (MCI) to Seattle (SEA)

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $284 round trip and CA $142 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Apr 13 - Tue, Apr 21
MCI
Kansas City
SEA
Seattle
CA $284 Roundtrip, found 1 day ago
CA $284
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Apr 13 from Kansas City to Seattle, returning Tue, Apr 21, priced at CA $284 found 1 day ago
Mon, Apr 13 - Tue, Apr 21
MCI
Kansas City
SEA
Seattle
CA $365 Roundtrip, found 1 day ago
CA $365
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Apr 13 from Kansas City to Seattle, returning Tue, Apr 21, priced at CA $365 found 1 day ago
Mon, Apr 13 - Tue, Apr 21
MCI
Kansas City
SEA
Seattle
CA $378 Roundtrip, found 1 day ago
CA $378
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Apr 13 from Kansas City to Seattle, returning Tue, Apr 21, priced at CA $378 found 1 day ago
Mon, Apr 13 - Tue, Apr 21
MCI
Kansas City
SEA
Seattle
CA $433 Roundtrip, found 1 day ago
CA $433
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Apr 13 from Kansas City to Seattle, returning Tue, Apr 21, priced at CA $433 found 1 day ago
Mon, Apr 13 - Tue, Apr 21
MCI
Kansas City
SEA
Seattle
CA $440 Roundtrip, found 1 day ago
CA $440
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Apr 13 from Kansas City to Seattle, returning Tue, Apr 21, priced at CA $440 found 1 day ago
Wed, May 27 - Wed, Jun 3
MCI
Kansas City
SEA
Seattle
CA $492 Roundtrip, found 1 day ago
CA $492
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, May 27 from Kansas City to Seattle, returning Wed, Jun 3, priced at CA $492 found 1 day ago
Fri, Oct 16 - Sun, Oct 18
MCI
Kansas City
SEA
Seattle
CA $512 Roundtrip, found 7 hours ago
CA $512
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Fri, Oct 16 from Kansas City to Seattle, returning Sun, Oct 18, priced at CA $512 found 7 hours ago
Fri, Oct 16 - Sun, Oct 18
MCI
Kansas City
SEA
Seattle
CA $512 Roundtrip, found 7 hours ago
CA $512
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Fri, Oct 16 from Kansas City to Seattle, returning Sun, Oct 18, priced at CA $512 found 7 hours ago
Mon, Apr 13 - Tue, Apr 21
MCI
Kansas City
SEA
Seattle
CA $521 Roundtrip, found 1 day ago
CA $521
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Apr 13 from Kansas City to Seattle, returning Tue, Apr 21, priced at CA $521 found 1 day ago
Fri, Oct 16 - Sun, Oct 18
MCI
Kansas City
SEA
Seattle
CA $525 Roundtrip, found 7 hours ago
CA $525
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Fri, Oct 16 from Kansas City to Seattle, returning Sun, Oct 18, priced at CA $525 found 7 hours ago

Frequently asked questions

Are there direct flights from MCI to Seattle - Tacoma Intl. Airport (SEA)?
If you're hoping to travel from MCI to Seattle - Tacoma Intl. Airport (SEA) in the shortest possible time, you'll be glad to know multiple airlines operate nonstop flights. Pick your favorite seat with Alaska Airlines or Delta.
What airlines fly from Kansas City Intl. Airport to SEA?
You'll find several airlines offering direct flights between Kansas City and Seattle. Alaska Airlines (AS) is one of the most liked. This carrier operates at least 60 flights each month. If that's not enough, take a look at Delta (DL). This carrier operates 30 flights every month. Between the two, we're sure you'll find a deal that's perfect for you.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.