CA $400 Cheap Flights from Seattle Paine Field Intl. Airport (PAE) to St. Louis (STL)

View CA $400 flight on Tue, Aug. 12, 2025Opens in a new window

Popular airlines from Seattle Paine Field Intl. Airport (PAE) to Lambert-St. Louis International Airport (STL)

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Cheap flights from Seattle Paine Field Intl. Airport (PAE) to St. Louis (STL)

Prices were available within the past 7 days and start at CA $400 for one-way flights and CA $1,029 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Oct. 26 - Thu, Oct. 30
PAE
Seattle
STL
St. Louis
CA $1,029 Roundtrip, found 6 days ago
CA $1,029
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Oct. 26 from Seattle to St. Louis, returning Thu, Oct. 30, priced at CA $1,029 found 6 days ago
Alaska Airlines
Sun, Oct. 26 - Wed, Oct. 29
PAE
Seattle
STL
St. Louis
CA $1,072 Roundtrip, found 6 days ago
CA $1,072
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Oct. 26 from Seattle to St. Louis, returning Wed, Oct. 29, priced at CA $1,072 found 6 days ago
Alaska Airlines
Mon, Oct. 27 - Thu, Oct. 30
PAE
Seattle
STL
St. Louis
CA $1,132 Roundtrip, found 6 days ago
CA $1,132
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Oct. 27 from Seattle to St. Louis, returning Thu, Oct. 30, priced at CA $1,132 found 6 days ago
Alaska Airlines
Sun, Oct. 26 - Mon, Oct. 27
PAE
Seattle
STL
St. Louis
CA $1,145 Roundtrip, found 6 days ago
CA $1,145
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Oct. 26 from Seattle to St. Louis, returning Mon, Oct. 27, priced at CA $1,145 found 6 days ago
Alaska Airlines
Mon, Oct. 27 - Wed, Oct. 29
PAE
Seattle
STL
St. Louis
CA $1,174 Roundtrip, found 6 days ago
CA $1,174
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Oct. 27 from Seattle to St. Louis, returning Wed, Oct. 29, priced at CA $1,174 found 6 days ago
American Airlines
Sun, Aug. 31 - Sat, Sep. 6
PAE
Seattle
STL
St. Louis
CA $10,816 Roundtrip, found 1 day ago
CA $10,816
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Aug. 31 from Seattle to St. Louis, returning Sat, Sep. 6, priced at CA $10,816 found 1 day ago
Flight from Seattle Paine Field Intl. Airport to St. Louis (PAE - STL) route information
Origin airport
Seattle Paine Field Intl. Airport
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
CA $1,029
Distance
2734 km

Everett to St. Louis Flights

The easy way to book your flights from Seattle Paine Field Intl. Airport to St. Louis 

With Expedia, it’s simple to find and book flights to St. Louis from Seattle Paine Field Intl. Airport whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 16 airlines that cover this route. There are nonstop flights to Lambert-St. Louis Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle Paine Field Intl. Airport to St. Louis today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle Paine Field Intl. Airport, PAE to Lambert-St. Louis Intl., STL 

Sort your search results by price to find great deals on your flight from Seattle Paine Field Intl. Airport to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from Seattle Paine Field Intl. Airport currently is just CA $1,029 rising to CA $10,816.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to St. Louis  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to St. Louis from Seattle Paine Field Intl. Airport 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Louis with Expedia today.

Frequently asked questions

How much is a flight from PAE to Lambert Field?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Snohomish County - Paine Field Airport (PAE) to Lambert Field start from CA $1,029. Book ASAP to secure the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PAE to Lambert-St. Louis Intl. Airport (STL)?
When it comes to cancellation fees, every airline has its own set of terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from Snohomish County Airport to Lambert-St. Louis Intl. Airport (STL) that have flexible change policies?
Use our "No change fees" filter to find flexible travel options for your flight from Snohomish County - Paine Field Airport (PAE) to STL. This allows you to snag a fantastic price ahead of time and still have the freedom to make changes without any additional fees. You'll just need to pay the difference in fare.
How far is the flight from Snohomish County Airport to Lambert Field?
It's around 2,800 kilometres between Everett and St. Louis, so expect to be flying for a while. Keep yourself entertained by packing things like your e-reader or a thrilling novel.
Which airlines fly direct from PAE to Lambert Field?
There are no direct flights, so you'll have to make at least one stop between Snohomish County Airport and STL. Use the layover time to stretch your legs and grab a bite to eat.
Are Snohomish County - Paine Field Airport (PAE) to Lambert Field flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally pick up a bargain, with some of the cheapest fares from Snohomish County - Paine Field Airport (PAE) to Lambert Field showing up a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals continually — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines release prices that far in advance.

Explore a world of travel with Expedia

Seattle Paine Field Intl. Airport nearby Airports

Seattle

Seattle - Tacoma Intl. to St. Louis
CA $258.90

Seattle Paine Field Intl. Airport

Seattle Paine Field Intl. Airport to St. Louis
CA $1,028.60
*Available to Expedia members.