Traveling from Lambert-St. Louis International Airport (STL) to Seattle-Tacoma International Airport (SEA): what you need to know
The average time for a direct flight from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport is 4 hours 23 minutes. Seattle's timezone is UTC-7, making Seattle 2 hours behind St Louis.
For the earliest departure, take the 07:00 flight from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport. If you want to go later, the last flight is at 19:32. With 16 flights every week from STL to SEA, you can select the timing that suits you best.
If you're flying during a major holiday or other peak period, allow extra time. A good general rule is two hours before domestic flights and up to four hours before international departures. Security and check-in lines will be longer.
If you want a stopover for your flight from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport, just uncheck 'Direct flights only' and check out your options. Here are the top stopovers between STL and SEA:
Portland International Airport
Denver International Airport
Minneapolis-St. Paul International Airport
How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Seattle-Tacoma International Airport (SEA)
The lowest price we've found for a one-way ticket from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport is C$193. For a return flight on this route, the best price is C$385. Depending on the availability and when you book, these fares could change.
Book 9 months before traveling. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap flight tickets from STL to SEA.
May is the cheapest month for flight tickets from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport. If you want to travel at a different time of year, the 'Whole month' tool will show you the lowest airfares across every month.
Set up a Price Alert for cheap flight tickets from STL to SEA. You don't need to check back in every day to find out if prices have fallen. We'll tell you when there's a change in price.
Tailor your trip with filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport.
Handy information about Lambert-St. Louis International Airport (STL)
Located around 26 kilometres from central St Louis, Lambert-St. Louis International Airport can be reached in about 21 minutes by car (depending on traffic). The journey on public transport takes roughly 36 minutes.
Want a stress-free start to your journey? Stay near STL. Whether you're taking an early flight from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport or just don't like being rushed, these hotels have you covered:
Arriving at Seattle-Tacoma International Airport (SEA)
Consider staying in a hotel close to SEA if you're on a late flight from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport. Choose one of these accommodation options and skip the long transfer:
Getting from Seattle-Tacoma International Airport (SEA) to central Seattle
From Seattle-Tacoma International Airport, Seattle is approximately 23 kilometres away. It takes around 18 minutes to get to the center driving.
When traveling on public transport, expect a journey time of roughly 54 minutes.
When to fly to Seattle-Tacoma International Airport (SEA)
The quietest month for a flight from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport is May, while July is the most popular. Choose the best time to visit Seattle based on whether you prefer a laid-back vibe or a more bustling atmosphere.
The warmest month in Seattle is August, with temperatures ranging between 12ºC and 28ºC. Book your flights from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport in this month if you enjoy this type of weather.
If you'd rather travel in cooler conditions, look for a cheap ticket from STL to SEA in February. Average temperatures are between -1ºC and 11ºC then.
More about Seattle
When it comes to looking for somewhere to rest your head, you'll find the best stays in Seattle right here. Check out these hotels once you've booked your flight from STL to SEA:
There are so many things to do and see in this city it can be tricky to know where to begin. Picardo Farm P-Patch Community Garden, Elliott Bay Waterfront and LMN Architects are major attractions which should feature on every Seattle itinerary.
Complete your Seattle trip with hotels and a car rental
We've got more party tricks up our sleeve than just comparing flights. Once you've booked your cheap ticket to Seattle-Tacoma International Airport, explore our car rental offers that'll give you the freedom and flexibility to see the sights at your own pace. Then, have a look at our exclusive rates for hotels to find your perfect Seattle stay.
