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 $302 round trip and CA $154 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Sep. 13 - Sat, Sep. 20
MCI
Kansas City
SEA
Seattle
CA $302 Roundtrip, found 8 hours ago
CA $302
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Sep. 13 from Kansas City to Seattle, returning Sat, Sep. 20, priced at CA $302 found 8 hours ago
Sat, Sep. 13 - Sat, Sep. 20
MCI
Kansas City
SEA
Seattle
CA $328 Roundtrip, found 5 days ago
CA $328
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Sep. 13 from Kansas City to Seattle, returning Sat, Sep. 20, priced at CA $328 found 5 days ago
Sat, Sep. 13 - Sat, Sep. 20
MCI
Kansas City
SEA
Seattle
CA $330 Roundtrip, found 8 hours ago
CA $330
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Sep. 13 from Kansas City to Seattle, returning Sat, Sep. 20, priced at CA $330 found 8 hours ago
Sat, Sep. 13 - Sat, Sep. 20
MCI
Kansas City
SEA
Seattle
CA $341 Roundtrip, found 5 days ago
CA $341
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Sep. 13 from Kansas City to Seattle, returning Sat, Sep. 20, priced at CA $341 found 5 days ago
Sat, Sep. 13 - Sat, Sep. 20
MCI
Kansas City
SEA
Seattle
CA $386 Roundtrip, found 8 hours ago
CA $386
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Sep. 13 from Kansas City to Seattle, returning Sat, Sep. 20, priced at CA $386 found 8 hours ago
Sat, Sep. 13 - Sat, Sep. 20
MCI
Kansas City
SEA
Seattle
CA $396 Roundtrip, found 5 days ago
CA $396
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Sep. 13 from Kansas City to Seattle, returning Sat, Sep. 20, priced at CA $396 found 5 days ago
Thu, Sep. 4 - Thu, Sep. 11
MCI
Kansas City
SEA
Seattle
CA $410 Roundtrip, found 4 days ago
CA $410
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Sep. 4 from Kansas City to Seattle, returning Thu, Sep. 11, priced at CA $410 found 4 days ago
Sat, Sep. 13 - Sat, Sep. 20
MCI
Kansas City
SEA
Seattle
CA $414 Roundtrip, found 8 hours ago
CA $414
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Sep. 13 from Kansas City to Seattle, returning Sat, Sep. 20, priced at CA $414 found 8 hours ago
Thu, Sep. 4 - Thu, Sep. 11
MCI
Kansas City
SEA
Seattle
CA $437 Roundtrip, found 4 days ago
CA $437
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Sep. 4 from Kansas City to Seattle, returning Thu, Sep. 11, priced at CA $437 found 4 days ago
Thu, Sep. 4 - Thu, Sep. 11
MCI
Kansas City
SEA
Seattle
CA $453 Roundtrip, found 4 days ago
CA $453
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Sep. 4 from Kansas City to Seattle, returning Thu, Sep. 11, priced at CA $453 found 4 days 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.
*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.