$28 Cheap Flights from St. Louis Lambert International
One-way
Departing from
St. Louis Lambert International
Going to
anywhere
Atlanta (ATL)
United States • May, 2026
82% AI deal score
$188 $28
Dallas (DFW)
United States • May, 2026
81% AI deal score
$205 $40
Calgary (YYC)
Canada • October, 2026
81% AI deal score
$418 $191
Denver (DEN)
United States • May, 2026
80% AI deal score
$188 $28
Vancouver (YVR)
Canada • February, 2027
80% AI deal score
$553 $141
This is the lowest one-way flight price found by RatePunk users in the last 24 hours for a flight going to anywhere. Fares are subject to change and may not be available for all dates. (Data last updated 5/19/2026).
398,598 searches in the past 7 days on RatePunk
Flight deals up to 90% off
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AI deal score and AI insights
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Top Destinations Where Can You Fly from St. Louis Lambert International
Cheap flights from St. Louis Lambert International
Find flights from St. Louis Lambert International to anywhere
Looking for inspiration on destinations? Here are some popular flight deals from St. Louis Lambert International one-way fares:
See more destinations you can fly to from St. Louis Lambert International – anywhere in the world at the best prices.
See More DestinationsLast-Minute Flights from St. Louis Lambert International
The best flight deals leaving from St. Louis Lambert International soon
Wed, May 13
⌛ Last-Minute
St. Louis (STL) - Milan (BGY)
Lufthansa airlines • 2 stops • Frankfurt (FRA), Warsaw (WAW)
$693
Wed, May 13
⌛ Last-Minute
St. Louis (STL) - Yerevan (EVN)
United Airlines airlines • 1 stop • Frankfurt (FRA)
$1,675
$726
-$949
57%
Wed, May 13
⌛ Last-Minute
St. Louis (STL) - Yerevan (EVN)
Lufthansa airlines • 3 stops • Frankfurt (FRA), Warsaw (WAW), Rome (FCO)
$1,675
$767
-$908
54%
Wed, May 13
⌛ Last-Minute
St. Louis (STL) - Yerevan (EVN)
Lufthansa airlines • 3 stops • Frankfurt (FRA), Warsaw (WAW), Rome (FCO)
$3,350
$1,534
-$1,816
54%
Wed, May 13
⌛ Last-Minute
St. Louis (STL) - Canberra (CBR)
Frontier Airlines airlines • 3 stops • Las Vegas (LAS), Los Angeles (LAX), Nadi (NAN)
$638
Wed, May 13
⌛ Last-Minute
St. Louis (STL) - Toronto (YTZ)
Frontier Airlines airlines • 3 stops • Las Vegas (LAS), Orlando (MCO), Nashville (BNA)
$553
$260
-$293
53%
More last-minute deals from St. Louis Lambert International
Need to travel soon? Here are some great last-minute flight deals from St. Louis Lambert International for trips departing in the next couple of weeks. (If you can plan ahead, booking about a month in advance is usually cheaper on average, but we’ve got you covered for spontaneous trips too!)
Tip: If you don’t see your preferred destination here, try searching anyway – new deals pop up daily. Also, remember that flights tend to cost less when booked ~30 days ahead rather than at the last minute, so if you’re planning a trip and have some flexibility, start looking early!
Facts About Flights from St. Louis Lambert International
Nearby airport(s)
Insights for flights from St. Louis Lambert International
Most popular airlines from St. Louis Lambert International
American Airlines
Alaska Airlines, Inc.
JetBlue Airways
Delta Air Lines
Frontier Airlines
Allegiant Air
Spirit Airlines
United Airlines
Most popular destinations from St. Louis Lambert International
STL Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
STL airport insights
Best days to catch a deal
Wednesday, Friday
Based on the data, you're most likely to find the best flight deals from St. Louis Lambert International airport on Wednesdays, followed by Fridays. Conversely, Mondays and Saturdays appear to have the fewest deals originating from St. Louis Lambert International airport.
Avg. deal survival time
6.6 hours
The average deal originating from St. Louis Lambert International Airport lasts about 6.6 hours. This means that you need to act fast when you see a good deal from {{St. Louis Lambert International Airport}}!
Rare deal frequency
13 deals
We've identified 13 rare flight deals from St. Louis Lambert International airport in the last 30 days. These exceptional opportunities, scoring 90+ with our AI Deal Score, typically include mistake fares, exclusive promotions, or significant discounts.
Average price drop
-63%
Deals that originate from St. Louis Lambert International Airport see an average price drop of 63.2%. This means that travelers can save a significant amount of money on flights by finding deals from St. Louis Lambert International Airport.
Next 4 weeks: deal forecast
St. Louis Flight Forecast
Based on current data as of May 3, 2026, flight deals from St. Louis Lambert International Airport are expected to remain relatively stable next month. There are no significant price drops or increases anticipated at this time.
Top 5 biggest price drops (last 3 months)
Found on April 28
STL - Terceira Island
$3,300 → $632
81%
Found on April 30
STL - Saskatoon
$785 → $151
81%
Found on May 1
STL - Bangkok
$7,550 → $1,529
80%
Found on April 30
STL - Ottawa
$730 → $165
77%
Found on April 29
STL - Regina
$720 → $166
77%
Check these nearby airports too
Looking for more options? These airports near STL sometimes drop rare deals too:
Central Illinois Regional (BMI)
~10 rare deals/month
University of Illinois Willard (CMI)
~5 rare deals/month
Abraham Lincoln Capital (SPI)
~12 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially BMI and CMI for long-haul deal surprises.
Travel Trends: Popular Destinations from St. Louis Lambert International
Every month, we analyze search and booking data to see where travelers from St. Louis Lambert International are heading. Here are the current hot destinations from St. Louis Lambert International:
Top domestic destinations
Chicago
TOP
St. Louis Lambert International
Denver
TOP
St. Louis Lambert International
Las Vegas
TOP
St. Louis Lambert International
These cities are seeing the most searches and bookings from St. Louis Lambert International this month.
Top international destinations
Travelers from St. Louis Lambert International are flocking here, possibly due to seasonal events or great deals.
Travel trend insight
St. Louis travelers are increasingly drawn to destinations rich in history and culture, indicating a desire for immersive experiences. London and Rome top the list due to their iconic landmarks, world-class museums, and historical significance, offering travelers a blend of tradition and modernity.
Booking Flights from St. Louis Lambert International: Frequently Asked Questions
Pro Tips for Finding Cheap Flights from St. Louis Lambert International
Finding the cheapest airfare from St. Louis Lambert International is easier if you use a few smart strategies. Here are our top tips to help you score a great deal:
Be Flexible with Your Dates: Flying on Tuesdays, Wednesdays, or Saturdays is usually cheaper than flying on Mondays or Fridays. Also, consider flying during the off-season or shoulder season for your destination.
Destination 'Anywhere': Use the 'Anywhere' option in your search to see the cheapest destinations from St. Louis. You might be surprised by the amazing deals you find!
Off-Peak Adventures: Avoid peak travel times like holidays and summer breaks. Traveling during the shoulder season (spring/fall) can save you serious cash and offer a more relaxed experience.
Airport Alternatives: Check flights to and from nearby airports. A short drive can sometimes save you a significant amount on your flight ticket from or to St. Louis.
Round-Trip vs. One-Way: Sometimes, booking two one-way tickets from different airlines can be cheaper than a round-trip. Compare both options to snag the best deal!
Loyalty Pays Off: Redeem those credit card points or frequent flyer miles! Using points can significantly reduce the cost of your flight, turning those saved rewards into a dream vacation from St. Louis.
Early Bird Gets the Flight: Booking your flight well in advance, typically a few months before your travel date, can often lead to lower prices. Don't wait until the last minute!
Fare Alert Fanatic: Sign up for fare alerts on websites like RatePunk! You'll receive email notifications when prices drop for your desired routes, helping you catch the best deals.
Mix and Match Airlines: Consider flying to your destination with one airline and returning with another. Sometimes, different airlines offer better deals on specific legs of the journey from St. Louis.
Bundle and Save: Explore package deals that include flights and hotels. These bundles can often offer significant discounts compared to booking each separately, potentially saving you money on your trip!
By using these tips and the tools on our site, you’ll increase your chances of finding a fantastic flight deal from St. Louis Lambert International. Happy travels!
Explore More Destinations from St. Louis Lambert International
Looking for more options? Here are some popular routes and related travel deals: