>>>>
Cheap Flights from St. Louis to Seattle
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Convenient & reliable booking and payment system
Cheap Flights from St. Louis to Seattle starting at CNY 86
We've found these cheap flights for you. You can book one-way or return flight tickets.
- One way
- Round-trip
- STL21:3912h 56m1 stopSEA08:35Wed, Apr 24|St. Louis - Seattle|Frontier AirlinesCNY 86CNY 16548% OFF48% OFFCNY 165CNY 86
- STL19:5122h 40m1 stopSEA16:31Wed, May 1|St. Louis - Seattle|Frontier AirlinesCNY 87CNY 16547% OFF47% OFFCNY 165CNY 87
- STL22:1713h 3m1 stopSEA09:20Fri, May 3|St. Louis - Seattle|Frontier AirlinesCNY 100CNY 16540% OFF40% OFFCNY 165CNY 100
- STL20:0413h1 stopSEA07:04Sat, May 18|St. Louis - Seattle|Frontier AirlinesCNY 103CNY 103
- STL17:3522h 20m1 stopSEA13:55Fri, Apr 26|St. Louis - Seattle|Frontier AirlinesCNY 104CNY 104
- STL20:4514h 37m1 stopSEA09:22Fri, May 17|St. Louis - Seattle|Frontier AirlinesCNY 106CNY 106
- STL20:0414h 26m1 stopSEA08:30Wed, May 15|St. Louis - Seattle|Frontier AirlinesCNY 107CNY 107
- STL21:5313h 51m1 stopSEA09:44Mon, May 6|St. Louis - Seattle|Frontier AirlinesCNY 112CNY 112
- STL21:5313h 51m1 stopSEA09:44Mon, May 13|St. Louis - Seattle|Frontier AirlinesCNY 114CNY 114
- STL12:3921h 56m1 stopSEA08:35Sat, May 4|St. Louis - Seattle|Frontier AirlinesCNY 115CNY 115
- STL13:003h 5mDirectSEA14:00Tue, Apr 30|St. Louis - Seattle|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 St. Louis to Seattle
We monitor flight fares to help you find the best deals effortlessly
Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from St. Louis to Seattle
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines
From S$ 86
American Airlines
From S$ 116
Spirit Airlines
From S$ 126
Alaska Airlines
From S$ 128
Delta Air Lines
From S$ 138
Sun Country Airlines
From S$ 188
United Airlines
From S$ 194
Southwest Airlines
From S$ 250
Southern Airways Express, Llc
From S$ 325
ANA airlines
Find more flights and airlines
Alternative Routes from St. Louis to Seattle
Searching for potential routes that might be cheaper and faster? Check out these alternative flights from St. Louis to Seattle.
- CheapestSTL21:3912h 56m1 transferSEA08:35St. Louis Lambert International Airport - Seattle-Tacoma International AirportWed, Apr 24Frontier AirlinesS$ 86
- STL21:3912h 56m1 transferSEA08:35St. Louis Lambert International Airport - Seattle-Tacoma International AirportWed, Apr 24Frontier AirlinesS$ 86Find More Flights
Frequently Asked Questions
How to find a cheap flight from St. Louis to Seattle
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 St. Louis to Seattle. Book your flights at the right time and save more.
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
Compare Flight Prices
Compare prices on travel agency and airline websites.
Look Out for Deals
Check airline and travel agency websites for latest flight deals
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Find cheapest flight ticket from St. Louis to Seattle
Cheapest direct flight price | S$ 86 |
---|---|
Cheapest return ticket price | S$ 256 |
Cheapest month | December |
Peak season for travel | July |
Flight distance | 2,765.15km |
Average flight time | 5 hours 11 minutes |
Popular airline | American Airlines |
Plan Your Trip Around Seattle
Find Cheap Flights & Deals on Trip.com
Popular Flights from St. Louis
- Flights St. Louis to Orlando
- Flights St. Louis to New York
- Flights St. Louis to Las Vegas
- Flights St. Louis to Denver
- Flights St. Louis to Chicago
- Flights St. Louis to Los Angeles
- Flights St. Louis to Kauai
- Flights St. Louis to Vancouver
- Flights St. Louis to London
- Flights St. Louis to Toronto
- Flights St. Louis to Savannah
- Flights St. Louis to Salt Lake City
- Flights from St. Louis Lambert International Airport to Singapore
- Flights from St. Louis to Zhengzhou Xinzheng International Airport
- Flights from St. Louis to Dalian International Airport
- Flights from St. Louis to Dali Fengyi Airport
- Flights from St. Louis to Meilan International Airport
- Flights from St. Louis to Hailar Airport
- Flights from St. Louis to Harbin Taiping International Airport
- Flights from St. Louis Lambert International Airport to Singapore Changi Airport
Recommended Hotels in Seattle
- Hotels near The Lake Union Dock
- Hotels near The Vajra
- Hotels near Corliss Place
- Hotels near Queen Anne Book Company
- Hotels near Museum of Pop Culture
- Hotels near Mountain Madness
- Hotels near The Museum of Flight
- Hotels near McGilvra Place
- Hotels near University Circle
- Hotels near Federal Office Building
- Hotels near Raygun Lounge
- Hotels near St. James Cathedral
- Hotels near Nevertold Casket Co.
- Hotels near DERMASPACE
- Hotels near Magnolia Playfield
- Hotels near Cedar Park
- Hotels near St Demetrios Greek Orthodox
- Hotels near Yesler Wy
- Hotels near District Antiques & Auction
- Hotels near St. John the Evangelist Catholic Church
- Hotels near Howell Park
- Hotels near Substation Seattle
- Hotels near McGraw Square
- Hotels near Cornish College of the Arts
- Hotels near Dr. Blanche Lavizzo Park
- Hotels near Lake View Cemetery
- Hotels near Pima Medical Institute - Seattle
- Hotels near 7-Eleven
- Hotels near Bootyland
- Hotels near Husky Soccer Stadium
Popular Flights to Seattle
- Flights Hong Kong to Seattle
- Flights Bangkok to Seattle
- Flights Seoul to Seattle
- Flights Singapore to Seattle
- Flights Shanghai to Seattle
- Flights Tokyo to Seattle
- Flights Manila to Seattle
- Flights Los Angeles to Seattle
- Flights Las Vegas to Seattle
- Flights San Francisco to Seattle
- Flights New York to Seattle
- Flights Paris to Seattle
- Flights from Singapore Changi Airport to Seattle
- Flights from Seletar Airport to Seattle
- Flights from Bellingham International Airport to Seattle
- Flights from Bishop to Seattle
- Flights from Salem to Seattle
- Flights from Hawthorne Municipal Airport to Seattle
- Flights from London to Seattle-Tacoma International Airport
- Flights from Tokyo to Seattle-Tacoma International Airport
- Flights from Sapporo to Seattle-Tacoma International Airport
- Flights from Osaka to Seattle-Tacoma International Airport
- Flights from Dubai to Seattle-Tacoma International Airport
- Flights from San Francisco to Seattle-Tacoma International Airport
- Flights from Singapore Changi Airport to Seattle-Tacoma International Airport
- Flights from Seletar Airport to Seattle-Tacoma International Airport
Recommended Routes
- Flights Los Angeles to New York
- Flights New York to Los Angeles
- Flights San Francisco to Los Angeles
- Flights San Francisco to Las Vegas
- Flights Los Angeles to Las Vegas
- Flights Los Angeles to Honolulu
- Flights Las Vegas to San Francisco
- Flights San Francisco to New York
- Flights Los Angeles to San Francisco
- Flights New York to Orlando
- Flights New York to San Francisco
- Flights New York to Miami
- Flights from Los Angeles International Airport to Burbank
- Flights from Los Angeles International Airport to Santa Ana
- Flights from Los Angeles International Airport to Long Beach
- Flights from Orlando International Airport to Sarasota
- Flights from Orlando International Airport to Tampa
- Flights from Orlando International Airport to Gainesville
- Flights from San Francisco to Scotts Bluff County Airport
- Flights from San Francisco to WilkesBarre International Airport
- Flights from San Francisco to Chadron Municipal Airport
- Flights from San Francisco to Kalamazoo Airport
- Flights from San Francisco to Willard Airport
- Flights from San Francisco to Colorado Springs Airport
- Flights from Orlando International Airport to Tampa International Airport
- Flights from Paine Field Airport to Bishop
Payment Methods
Our Partners
Copyright © 2024 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd. Travel License No. 02943
Site Operator: Trip.com Travel Singapore Pte. Ltd. Travel License No. 02943