Cheap flights from SEA to STL (Seattle - Tacoma Intl. to Lambert-St. Louis Intl.)

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Cheap Flights from SEA to STL starting at $128 One Way, $248 Round Trip

Prices starting at $248 for return flights and $128 for one-way flights to Lambert-St. Louis Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 16 - Sat, Sep 19
SEA
Seattle
STL
St. Louis
$248 Roundtrip, found 1 day ago
$248
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Wed, Sep 16 from Seattle to St. Louis, returning Sat, Sep 19, priced at $248 found 1 day ago
Tue, Sep 22 - Sat, Sep 26
SEA
Seattle
STL
St. Louis
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Sep 22 from Seattle to St. Louis, returning Sat, Sep 26, priced at $251 found 1 day ago
Thu, Sep 10 - Sun, Sep 13
SEA
Seattle
STL
St. Louis
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Sep 10 from Seattle to St. Louis, returning Sun, Sep 13, priced at $254 found 3 days ago
Sat, Sep 5 - Mon, Sep 7
SEA
Seattle
STL
St. Louis
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 5 from Seattle to St. Louis, returning Mon, Sep 7, priced at $257 found 1 day ago
Thu, Sep 24 - Sat, Sep 26
SEA
Seattle
STL
St. Louis
$260 Roundtrip, found 1 day ago
$260
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 24 from Seattle to St. Louis, returning Sat, Sep 26, priced at $260 found 1 day ago

Hotel Ideas near Lambert-St. Louis Intl.

Airport Hotels near Lambert-St. Louis Intl.

Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
$90 nightly
The price is $106 total per night from Jul 15 to Jul 16
$106 total
Jul 15 - Jul 16
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.2/10 Wonderful! (3,087 reviews)
"shuttle driver was very courteous"

Reviewed on Jul 10, 2026

Pear Tree Inn St. Louis Airport
Drury Inn & Suites St. Louis Airport

Drury Inn & Suites St. Louis Airport

3 out of 5
10490 Natural Bridge Rd St. Louis MO
$115 nightly
The price is $135 total per night from Aug 3 to Aug 4
$135 total
Aug 3 - Aug 4
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
9.2/10 Wonderful! (1,321 reviews)
"My room was very clean. No complaints about anything honestly."

Reviewed on Jul 10, 2026

Drury Inn & Suites St. Louis Airport
Wingate by Wyndham St. Louis Airport

Wingate by Wyndham St. Louis Airport

3 out of 5
10820 Pear Tree Lane St. Ann MO
$115 nightly
The price is $135 total per night from Jul 27 to Jul 28
$135 total
Jul 27 - Jul 28
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
9.2/10 Wonderful! (1,703 reviews)
"Nice and clean."

Reviewed on Jul 9, 2026

Wingate by Wyndham St. Louis Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Hotels In St. Louis

Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St St. Louis MO
$140 nightly
The price is $165 total per night from Jul 17 to Jul 18
$165 total
Jul 17 - Jul 18
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
8.6/10 Excellent! (4,204 reviews)
"Great stay with amazing view of the Arch"

Reviewed on Jul 9, 2026

Hyatt Regency St. Louis at The Arch
Clayton Plaza Hotel & Extended Stay

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue St. Louis MO
$94 nightly
The price is $110 total per night from Jul 12 to Jul 13
$110 total
Jul 12 - Jul 13
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and ...
9/10 Wonderful! (3,288 reviews)
"This place was great has great staff"

Reviewed on Jul 9, 2026

Clayton Plaza Hotel & Extended Stay
Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
$90 nightly
The price is $106 total per night from Jul 15 to Jul 16
$106 total
Jul 15 - Jul 16
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.2/10 Wonderful! (3,087 reviews)
"shuttle driver was very courteous"

Reviewed on Jul 10, 2026

Pear Tree Inn St. Louis Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

St. Louis Hotels With Airport Transportation

Quality Inn Saint Louis Airport

Quality Inn Saint Louis Airport

2.5 out of 5
10232 Natural Bridge Rd St. Louis MO
$62 nightly
The price is $73 total per night from Jul 26 to Jul 27
$73 total
Jul 26 - Jul 27
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, a free airport shuttle, and parking (surcharge). Our guests praise the helpful staff ...
6/10 (1,009 reviews)
"This place smelled and the guy at the counter was not friendly. I had a service animal and he ask if he was fully potty trained. Then I had to leave early and breakfast wasn’t ready at the time 6am that they displayed."

Reviewed on Jul 8, 2026

Quality Inn Saint Louis Airport
Marriott St. Louis Airport

Marriott St. Louis Airport

4 out of 5
10700 Pear Tree Lane St. Louis MO
$143 nightly
The price is $170 total per night from Jul 17 to Jul 18
$170 total
Jul 17 - Jul 18
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy breakfast (surcharge), a free airport shuttle, and room service. Our guests praise the helpful ...
8/10 Very Good! (1,002 reviews)
"Tough stay at airport Marriott after deferred flight. Had to book via 3rd party from lobby. Desk staff was helpful but room had a whistling toilet that woke us repeatedly during the night. Highlight was our 5:00 AM shuttle driver who was absolutely great."

Reviewed on Jul 8, 2026

Marriott St. Louis Airport
Hilton St. Louis Airport

Hilton St. Louis Airport

3.5 out of 5
10330 Natural Bridge Rd St. Louis MO
$143 nightly
The price is $170 total per night from Aug 8 to Aug 9
$170 total
Aug 8 - Aug 9
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy 2 restaurants, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
7.6/10 Good! (1,006 reviews)
"Room air conditioner did not work, lady at the front was not very friendly-seemed bothered when we requested another room. Second room air conditioning was good, however-this room didn’t have a fridge(need to store my medications). Then we asked about that and were told up charge, we said ok, never ..."

Reviewed on Jul 10, 2026

Hilton St. Louis Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Low Priced St. Louis Hotels

Quality Inn Saint Louis Airport

Quality Inn Saint Louis Airport

2.5 out of 5
10232 Natural Bridge Rd St. Louis MO
$62 nightly
The price is $73 total per night from Jul 26 to Jul 27
$73 total
Jul 26 - Jul 27
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, a free airport shuttle, and parking (surcharge). Our guests praise the helpful staff ...
6/10 (1,009 reviews)
"This place smelled and the guy at the counter was not friendly. I had a service animal and he ask if he was fully potty trained. Then I had to leave early and breakfast wasn’t ready at the time 6am that they displayed."

Reviewed on Jul 8, 2026

Quality Inn Saint Louis Airport
Americas Best Value Inn St. Louis Downtown

Americas Best Value Inn St. Louis Downtown

2 out of 5
1100 Lumiere Place Boulevard St. Louis MO
$84 nightly
The price is $98 total per night from Aug 2 to Aug 3
$98 total
Aug 2 - Aug 3
Total with taxes and fees
Stay at this motel in St. Louis. Enjoy free WiFi, free parking, and a 24-hour front desk. Popular attractions Gateway Arch and Busch Stadium are located ...
5.6/10 (850 reviews)
"Rats chewing on the walls sounded like trying to chew through the tub. loud enough to wake you up. We closed the curtain to fully block the view inside the room when we had left to start our evening when we got back the curtain was wide open. Nothing was touched was very confused. The room had the ..."

Reviewed on Jul 5, 2026

Americas Best Value Inn St. Louis Downtown
OYO Hotel St. Louis Downtown City Center MO

OYO Hotel St. Louis Downtown City Center MO

3.5 out of 5
400 S 14th St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, a fitness center, and parking (surcharge). Our guests praise the helpful staff and ...
6.6/10 (1,000 reviews)
"Definitely an older hotel. Overall the room was kinda dingy."

Reviewed on Apr 11, 2024

Get rates
OYO Hotel St. Louis Downtown City Center MO
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Family Friendly Hotels in St. Louis

Days Inn by Wyndham St. Louis Lindbergh Boulevard

Days Inn by Wyndham St. Louis Lindbergh Boulevard

2.5 out of 5
South Lindbergh Boulevard, 3660 St. Louis MO
Book a stay at this family-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Laumeier Sculpture Park and Powder ...

Families like: Indoor pool, playground, game room, cribs

Get rates
Days Inn by Wyndham St. Louis Lindbergh Boulevard
Drury Plaza Hotel St. Louis at the Arch

Drury Plaza Hotel St. Louis at the Arch

3 out of 5
2 South 4th Street St. Louis MO
$153 nightly
The price is $179 total per night from Jul 14 to Jul 15
$179 total
Jul 14 - Jul 15
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and 2 hot tubs. Our guests praise the breakfast and the pool in our ...
9.6/10 Exceptional! (3,567 reviews)
"Hotel was very clean and staff was amazing! They do it right for breakfast and happy hour! Staff was all very friendly and happy. Great experience at the Drury. Would definitely stay again."

Reviewed on Jul 9, 2026

Drury Plaza Hotel St. Louis at the Arch
Pear Tree Inn St. Louis Near Union Station

Pear Tree Inn St. Louis Near Union Station

3 out of 5
2211 Market Street St. Louis MO
$122 nightly
The price is $143 total per night from Jul 14 to Jul 15
$143 total
Jul 14 - Jul 15
Total with taxes and fees
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the restaurant ...
8.8/10 Excellent! (2,062 reviews)
"Manager Reggie was so helpful and accomodating even coming to our room to help figure out our Wi-Fi issues. Breakfast and happy hour were very good. Would definitely come back again. Only thing wasn’t thrilled about is there was no room service if you stayed multiple nights. We were ok with that ..."

Reviewed on Jul 9, 2026

Pear Tree Inn St. Louis Near Union Station
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

SEA to STL Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
SEA Address & GPS
Address:
Seattle WA, 98158
United States
IATA Code:
SEA
Longitude:
-122.301732
Latitude:
47.443839
Time Zone:
America/Los_Angeles
STL Address & GPS
Address:
10701 Lambert International Blvd.
Saint Louis MO, 63145
United States
IATA Code:
STL
Longitude:
-90.379002
Latitude:
38.748707
Time Zone:
America/Chicago

Frequently asked questions

Are there non-stop flights from Seattle - Tacoma Intl. Airport (SEA) to Lambert-St. Louis Intl. Airport (STL)?
Alaska Airlines makes going from Seattle to St. Louis a piece of cake. It has nonstop flights from Sea-Tac Airport to Lambert-St. Louis Intl. Airport (STL), so you won't have to worry about changing planes.
What is the shortest flight from Sea-Tac Airport to St. Louis Lambert International Airport?
Traveling from Sea-Tac Airport to St. Louis Lambert International Airport takes at least 6 hours and 36 minutes. Indulge in a tipple and watch a show or two — here's your chance to just relax.
How many hours flight from SEA to Lambert-St. Louis Intl. Airport (STL)?
Get comfortable, because a typical plane ride from Sea-Tac Airport to Lambert Field is 6 hours and 41 minutes. Listen to a few podcasts, finish that book … You'll have more than enough time to kick back and enjoy the ride.
What airlines have the most flights from Sea-Tac Airport to St. Louis Lambert International Airport?
If you're looking for a trouble-free flying experience, buckle up and take off with Alaska Airlines. This carrier has 73 flights each month from Seattle to St. Louis and is one of the most popular airlines servicing this route.

Map To Nearby Hotels

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.

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