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Cheap Flights from Seattle to St. Louis
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Cheap Flights from Seattle to St. Louis starting at CNY 79
We've found these cheap flights for you. You can book one-way or return flight tickets.
- One way
- Round-trip
- SEA09:559h 8m1 stopSTL21:03Mon, May 6|Seattle - St. Louis|Frontier AirlinesCNY 79CNY 14245% OFF45% OFFCNY 142CNY 79
- SEA09:558h 44m1 stopSTL20:39Wed, May 1|Seattle - St. Louis|Frontier AirlinesCNY 80CNY 14244% OFF44% OFFCNY 142CNY 80
- SEA21:3510h 12m1 stopSTL09:47Tue, Apr 30|Seattle - St. Louis|Frontier AirlinesCNY 84CNY 14241% OFF41% OFFCNY 142CNY 84
- SEA09:558h 44m1 stopSTL20:39Wed, May 8|Seattle - St. Louis|Frontier AirlinesCNY 85CNY 85
- SEA22:349h 13m1 stopSTL09:47Fri, May 3|Seattle - St. Louis|Frontier AirlinesCNY 90CNY 90
- SEA18:2916h 40m1 stopSTL13:09Mon, May 20|Seattle - St. Louis|Frontier AirlinesCNY 93CNY 93
- SEA21:3214h 57m1 stopSTL14:29Sat, May 4|Seattle - St. Louis|Frontier AirlinesCNY 93CNY 93
- SEA21:1211h 31m1 stopSTL10:43Tue, Apr 23|Seattle - St. Louis|Spirit AirlinesCNY 96CNY 96
- SEA22:309h 17m1 stopSTL09:47Sun, Apr 28|Seattle - St. Louis|Frontier AirlinesCNY 102CNY 102
- SEA22:349h 13m1 stopSTL09:47Fri, Apr 26|Seattle - St. Louis|Frontier AirlinesCNY 105CNY 105
- SEA13:003h 5mDirectSTL14:00Sat, Apr 27|Seattle - St. Louis|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Cheapest time to fly from Seattle to St. Louis
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Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Seattle to St. Louis
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines
From S$ 79
Spirit Airlines
From S$ 96
American Airlines
From S$ 119
Alaska Airlines
From S$ 130
Delta Air Lines
From S$ 141
Sun Country Airlines
From S$ 176
United Airlines
From S$ 183
Southwest Airlines
From S$ 258
ANA airlines
Find more flights and airlines
Alternative Routes from Seattle to St. Louis
Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Seattle to St. Louis.
- CheapestSEA09:559h 8m1 transferSTL21:03Seattle-Tacoma International Airport - St. Louis Lambert International AirportMon, May 6Frontier AirlinesS$ 79
- SEA09:559h 8m1 transferSTL21:03Seattle-Tacoma International Airport - St. Louis Lambert International AirportMon, May 6Frontier AirlinesS$ 79Find More Flights
Frequently Asked Questions
How to find a cheap flight from Seattle to St. Louis
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to St. Louis. Book your flights at the right time and save more.
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Find cheapest flight ticket from Seattle to St. Louis
Cheapest direct flight price | S$ 78 |
---|---|
Cheapest return ticket price | S$ 270 |
Cheapest month | April |
Peak season for travel | July |
Flight distance | 2,765.15km |
Average flight time | 4 hours 12 minutes |
Popular airline | American Airlines |
Plan Your Trip Around St. Louis
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