Cheap flights from Seattle to St. Louis from $113
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to St. Louis departing on 7/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to St. Louis by changing tabs
Find the cheapest one-way flights from Seattle to St. Louis
If you're looking for one-way flights from Seattle to St. Louis, view some of our deals below provided by Alaska Airlines, Delta and Frontier
Search last-minute flights to St. Louis from Seattle
Find and compare round-trip flight prices for your last-minute flight from Seattle to St. Louis
Frontier flights from Seattle to St. Louis
Our best Frontier deals on Seattle to St. Louis flight tickets
American Airlines flights from Seattle to St. Louis
Our best American Airlines deals on Seattle to St. Louis flight tickets
How to get the cheapest flight ticket from Seattle to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from Seattle to St. Louis?
January. The cheapest time of year to fly to St. Louis from Seattle is January. Most expensive is July
What is the cheapest day to depart Seattle for St. Louis?
Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Friday
When is the cheapest time to fly from Seattle to St. Louis?
In the evening. Seattle to St. Louis flights are approximately 26% more expensive at noon than in the evening
What is the cheapest airline that flies to St. Louis from Seattle?
Frontier. Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Seattle to St. Louis
What is the cheapest Seattle to St. Louis flight route?
Seattle/Tacoma Intl - Lambert-St Louis. Fly from Seattle/Tacoma Intl to Lambert-St Louis for the best Seattle - St. Louis flight prices
How far in advance should you book Seattle to St. Louis flights?
48 days before. The cheapest time to buy a flight from Seattle to St. Louis is approximately 48 days to departure
How many flights depart from Seattle to St. Louis on average per day?
As of May 2024, 6 flights take off from Seattle and land in St. Louis each day. The most common flight departure time for this route is 5:00PM, with 62% of daily flights taking off in the afternoon.
How many flights depart from Seattle to St. Louis on average per week?
44 flights are operational weekly from Seattle to St. Louis as of May 2024. The most popular departure day for this route is Sunday, with 20% of flights per week taking off on this day.
What cabin class options are available on Seattle to St. Louis flights?
There are 2 cabin classes available to choose from on Seattle to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Seattle to St. Louis flights?
You could potentially save up to 28% on your flight if you consider stops on a Seattle to St. Louis flight.
Cheap Seattle to St. Louis (SEA to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to St. Louis
Best Price Found | $113 |
|---|---|
Fastest flight time | 3h 49m |
Direct flights | Every day |
Airports in St. Louis | 1 airport |
How far is Seattle/Tacoma Intl to Lambert-St Louis by plane?
The distance between Seattle/Tacoma Intl and Lambert-St Louis is about 1719.6 mi. Typically, this will take 3h 50m by plane in normal conditions.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Lambert-St Louis Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Lambert-St Louis Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Lambert-St Louis Airport is 6 as of May 2024.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Seattle to St. Louis
Compare and see reviews for airlines that fly from Seattle to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $115 | Free Cancellation | Rating 6.2 4,051 reviews | |||
| PriceFrom $153 | Free Cancellation | Rating 8.0 10,615 reviews | |||
| PriceFrom $156 | Free Cancellation | Rating 6.4 8,664 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 7.3 14,472 reviews | |||
| PriceFrom $167 | Free Cancellation | Rating 7.4 10,894 reviews | |||
| PriceFrom $192 | Free Cancellation | Rating 8.0 9,163 reviews |
Alaska Airlines Flights From Seattle to St. Louis
Alaska Airlines is one of the most popular airlines flying from Seattle to St. Louis, operating 11 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to St. Louis starts from $192 round-trip, up to an average price of $366. Our users have rated Alaska Airlines at 8.0/10.
American Airlines Flights From Seattle to St. Louis
$157 is the best American Airlines flight deal from Seattle to St. Louis found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $412, however, with flight time and availability significantly affecting the price. American Airlines (7.3/10 from 14,472 user reviews) flies into St. Louis from Seattle 13 times in an average week so prices can vary.
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to St. Louis?
Finding the right flight to St. Louis from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.
Can I find flights from Seattle to St. Louis with flexible booking policies on momondo?
Yes. All flights to St. Louis from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Seattle to St. Louis?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to St. Louis.
I’m not ready to book a flight from Seattle to St. Louis right now. Can momondo alert me if prices change?
If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Seattle and alert you when they change.