Flying from Lambert-St. Louis International Airport (STL) to Seattle-Tacoma International Airport (SEA): what you need to know
Around 4 hours 25 minutes is how long you can expect to be travelling on a direct flight from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport.
Seattle is two hours behind St Louis and follows the UTC-7 timezone.
Choose from 16 weekly Lambert-St. Louis International Airport to Seattle-Tacoma International Airport flights. The 07:00 departure with Alaska Airlines is the earliest flight you can take. Alaska Airlines operates the latest service of the day at 19:32.
Arrive at the airport on time so you don't miss your STL to SEA flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.
You can expect bigger queues during popular months like July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a smart move.
Alaska Airlines is your gateway to exploring Seattle (and maybe even some other exciting corners of United States!). Check out the direct flights from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport offered by this popular carrier.
The majority of passengers choose to fly with Alaska Airlines on this route.
With a dependable 82.65% of services landing on schedule, Alaska Airlines has the best on-time performance for STL to SEA flights.
We make it a cinch to book a flight with a stopover. To see all your options for tickets from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to explore your chosen city. Some great stopovers between STL and SEA include:
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)
Currently, R 1,510 is the lowest price we've seen for a one-way Lambert-St. Louis International Airport to Seattle-Tacoma International Airport flight. The best price for a return ticket is R 3,203. Keep in mind that fares may change due to demand at the time of booking.
Get cheap tickets from STL to SEA by booking six months ahead. Based on our research, that's the sweet spot for finding a bargain.
May is the cheapest month for flights from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport. If you prefer to fly at a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.
You don't need to check every day to see if fares have gone down when you set up a Price Alert. We'll update you as soon as the price changes on cheap flights from STL to SEA.
Tailor your trip using filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort your 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)
STL is located at 10701 Lambert International Blvd..
Of all flights departing from Lambert-St. Louis International Airport, 78.04% arrive on time at their destination.
To get to Lambert-St. Louis International Airport from central St Louis, it'll take around 20 minutes if you're going by car. This depends on traffic though. It's approximately 26 kilometres from the airport to the city centre.
The journey on public transport typically takes 35 minutes.
Booked an early flight from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport? Avoid the stress of rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these stays near STL:
Arriving at Seattle-Tacoma International Airport (SEA)
If you're coming in on a late Lambert-St. Louis International Airport to Seattle-Tacoma International Airport flight, nothing tops the convenience of being near the terminal. Grab your luggage from the carousel and then be resting not long after at one of these hotels near SEA:
Fast-track your adventure by picking up a Seattle-Tacoma International Airport rental car. Grab a set of wheels from Thrifty, Europcar or Budget and explore beyond Seattle's usual tourist stops.
Lock in the lowest price by booking your ride from Seattle-Tacoma International Airport around one week ahead of your departure.
Getting from Seattle-Tacoma International Airport (SEA) to central Seattle
Seattle-Tacoma International Airport is roughly 23 kilometres from central Seattle. Driving there takes about 20 minutes.
Getting there by public transport typically takes 55 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 (54ºF) and 28ºC (82ºF). Lock in your flights from Lambert-St. Louis International Airport to Seattle-Tacoma International Airport in this month if you enjoy this type of weather.
Look for cheap tickets from STL to SEA in February if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.
Explore more of United States
You've visited Seattle, now it's time to explore more of United States. Travel around 241 kilometres south to Portland to tick off its leading sights. From Pioneer Courthouse Square to Portland Japanese Garden and Pittock Mansion, you've got a jam-packed schedule ahead.
Around 370 kilometres east of Seattle, Spokane is another essential stop in United States. Experience the best of this destination with a visit to Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.
