Cheap Flight Deals From St. Louis (STL) to Seattle (SEA) Starting at $84

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This Weekend's Flight Deals from St. Louis to Seattle

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Airfares from $84 One Way, $147 Round Trip from St. Louis to Seattle

Prices starting at $147 for return flights and $84 for one-way flights to Seattle were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

More About Flying To Seattle from St. Louis

Route Information for Flights from St. Louis to Seattle

Origin Airport IATA Code STL
Destination Airport IATA Code SEA
Distance 1705 mi
Direct Flight Airlines American Airlines, Qatar Airways, JAL, Alaska Airlines, Southwest Airlines
Earliest Flight Arrival 4:29PM UTC
Latest Flight Arrival 6:35AM UTC

Flying from St Louis to Seattle

Lambert-St. Louis International Airport

Planning a trip on a budget can often be a challenge. Orbitz.com allows travelers to search many different airlines at once to find cheap flights from St. Louis, Missouri. The Lambert-St. Louis International Airport is located 15 miles northwest of downtown on Airflight Drive. Thirteen airlines provide services to the airport, including US Airways, United Airlines, Delta and American Airlines.

Parking at the Airport

Parking at the Lambert-St. Louis International Airport is provided by Super Park. Both long-term and short-term parking are available. Shuttle services are available 24 hours a day to and from the parking areas to the main terminal. Super Park ensures the closest parking available, and in many cases, parking is within walking distance to the terminal. Fees are charged by the hour or by the day with discounts for weekly parking.

Transportation to the Airport

Go Best Express Airport Shuttle offers shared shuttle rides to and from all downtown hotels and businesses in St. Louis. Shuttles are available every 15 to 30 minutes all day, and reservations are recommended. The MetroLink has 37 stations that provide service to and from the airport. The Link is available for a flat fee. The Metropolitan Taxicab Commission services the Lambert-St. Louis International Airport, and it provides metered transportation in and around St. Louis. Exact fares depend on the destination, and taxis require an additional $3 airport fee. Limos are available for rent by the day or by the hour, and many local hotels provide complimentary shuttles to and from the airport for their guests. Orbitz.com can assist travelers in locating cheap car rental agencies in the area.

Dining Options at Lambert-St. Louis International Airport

The Lambert-St. Louis International Airport offers many excellent food options for those who want to eat before their flight. The Great American Bagel Company offers many bagel varieties, as well as fresh coffee and juice. Starbucks is available at the Lambert's East Terminal and has a selection of blended coffees and bakery items. For travelers who prefer a sit-down meal before reaching the airport, Half and Half is located near the airport in St. Louis and offers eggs, toast, bacon and fresh donuts. For individuals looking for travel deals, Orbitz.com can provide assistance in locating cheap flights from St. Louis.

Seattle Airport Information

On your next trip to the Pacific Northwest, use Orbitz to find low-cost domestic and international flights to Seattle. The primary airport is the Seattle-Tacoma International Airport, more commonly known as Sea-Tac, located roughly 15 miles south of downtown Seattle. The Boeing Field-King County International Airport is less than 10 miles south of the city, but flights into this airport are generally more limited and a bit more expensive.

Ground Transportation in Seattle

You will have several public transportation options once you land in Seattle, including Link Light Rail and King County Metro Transit. There are also public taxis, share-a-ride shuttles and private car services ready to bring you to your final destination. Expect to pay a fare of between $35 and $45 from Sea-Tac into downtown Seattle, and roughly half of that from the Boeing Field airport. Use Orbitz.com to plan your trip, and you will be able to either rent a car or choose a hotel that has free shuttle service to and from the airport.

Seattle Weather Information

Seattle has a mild climate, with winter temperatures usually ranging from the mid-30s to the mid-40s and summer temperatures that rarely go above the mid-70s. November and December usually have a fair amount of rainfall, but the rest of the year is fairly dry. Because cool nights occur year round, plan a wardrobe that you can layer to accommodate the fluctuating temperatures.

What to Do in Seattle

Visitors to Seattle have no shortage of things to see and do. Some of the most famous landmarks include the Space Needle, the site of the original Starbucks in Pike Place Market and Bill Gates' house on Lake Washington. There are also plenty of parks, museums, theaters, shops and restaurants in and around the city. Enjoy your stay, and the next time you need discount flights to Seattle, be sure to use Orbitz.com.

Frequently asked questions

Am I able to catch a flight from St. Louis to Seattle now?
Head to the Covid-19 Travel Advisor for the most useful info on quarantine requirements and travel restrictions when catching a flight from St. Louis to Seattle.
Are there non-stop flights from St. Louis to Seattle?
Start packing that suitcase, because there are a couple of airlines that offer direct flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Check out the fares with Southwest Airlines and Alaska Airlines.
What is the shortest flight from St. Louis to Seattle?
With the journey from St. Louis to Seattle taking a minimum of 5 hours and 10 minutes, you’ll have plenty of time to enjoy the flying experience. Order an in-flight wine and settle into your seat with an interesting movie or novel.
What airlines fly from St. Louis to Seattle most frequently?
Consider booking a ticket with Southwest Airlines (WN), which frequently services this route. This airline offers 30 flights each month between Lambert Field and SEA. Alaska Airlines (AS) also flies from St. Louis to Seattle. It’s another excellent option and offers 30 flights monthly.
If I am not able to travel due to COVID-19, can I cancel my flight to Seattle?
We get that traveling right now has its challenges, so it’s good to know that many reservations booked through us are able to be cancelled or changed. If your travel plans to Seattle have been affected by COVID-19, a lot of airlines are making things easier by offering credits to use at a later date. Just sign in to your account and you’ll quickly see what options are available. Our Customer Service Portal is the place to go for more information.
Are there flights to Seattle with flexible change policies?
In most cases you’ll have the option to reschedule your flight to Seattle without a change fee. All you have to do then is pay the difference between the old flight and the new one. Look for the “no change fees” filter and book with confidence.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won’t keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.