$189 Cheap flights to Lambert St Louis International (STL)

Good to Know: Flights to STL

Useful information for finding cheap flights to Lambert St Louis International and booking your next trip

Cheapest Round Trip Flight

$450

Southwest Airlines• 1 stop • 8h 35m

Dec 20 – Jan 03

The cheapest round trip flight from Logan International to Lambert St Louis International is currently $450

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Cheapest One way Flight

$394

Southwest Airlines• 1 stop• 15h 35m

Dec 18

The cheapest one way flight from Denver International to Lambert St Louis International is currently $394

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Cheapest Direct Flight

$189

Southwest Airlines• nonstop• 3h 55m

Dec 29

The cheapest nonstop flight from Philadelphia International to Lambert St Louis International is currently $189

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Fastest Flight

3h 20m

The fastest nonstop flight from Denver International to Lambert St Louis International takes 3h 20m

Best Flight Deals to St Louis

Identify the most efficient round-trip flights to St Louis. We present options balancing cost and convenience for your return journey.

Dec 20 - Jan 03, Economy

Boston → St Louis

8h 35m

4:00 PM - 8:15 PM • 1 stop

Boston → St Louis

6h 45m

5:45 PM - 10:50 PM • 1 stop

$450

Southwest Airlines

Dec 20 - Jan 03, Economy

Boston → St Louis

5h 5m

2:05 PM - 4:10 PM • nonstop

Boston → St Louis

7h

1:05 PM - 6:25 PM • 1 stop

$471

Southwest Airlines

Dec 20 - Jan 03, Economy

Boston → St Louis

8h 35m

4:00 PM - 8:15 PM • 1 stop

Boston → St Louis

3h 50m

2:30 PM - 6:00 PM • nonstop

$520

Southwest Airlines

Dec 20 - Jan 03, Economy

Boston → St Louis

13h 30m

12:45 PM - 7:55 PM • 1 stop

Boston → St Louis

3h 50m

2:30 PM - 6:00 PM • nonstop

$520

Southwest Airlines

Dec 20 - Jan 03, Economy

Boston → St Louis

10h 46m

3:57 PM - 9:43 PM • 1 stop

Boston → St Louis

7h 10m

6:29 AM - 11:59 AM • 1 stop

$733

Delta Airlines

Dec 20 - Jan 03, Economy

Boston → St Louis

8h 53m

3:00 PM - 7:33 PM • 1 stop

Boston → St Louis

10h 27m

4:53 PM - 12:20 AM • 1 stop

$767

American Airlines

Compare & Book Cheapest Flights to St Louis, STL

Looking for a cheap last-minute deal or the best round-trip flight to St Louis? Find the biggest savings on one-way and round-trip tickets right here.

Destination Airport Information

IATA Code	STL
Name	Lambert St Louis International
City	St Louis
Country	US
Latitude	38.74869918823242
Longitude	-90.37000274658203

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Search Flights to St Louis (STL)

Good to Know: Flights to STL

Best Flight Deals to St Louis

Identify the most efficient round-trip flights to St Louis. We present options balancing cost and convenience for your return journey.

For travel requiring no set return, access available one-way flights to St Louis (STL). These options support extended stays or open-ended plans.

Need to travel to St Louis soon? View current last-minute flight options to STL for spontaneous or pressing plans.

Maximize your time in St Louis, not in transit. Discover non-stop direct flights to STL for the quickest, most straightforward journey to the Strip.

Compare & Book Cheapest Flights to St Louis, STL

Destination Airport Information

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