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Find deals on international flights to St. Louis from $39

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 6/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 6/7
Fri 6/14

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In the last 7 days travelers have searched 43,968,530 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$39
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Philadelphia to St. Louis

FAQs for booking Worldwide to St. Louis flights

  • How does KAYAK find such low prices on flights from Worldwide to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Worldwide to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Worldwide to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Worldwide is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Worldwide to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Worldwide with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Worldwide to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Worldwide up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Worldwide to St. Louis?

Nonstop departures

Worldwide to Lambert-St Louis

Monday

ANA, Aer Lingus, Aeromexico, +38 more

ANA, Aer Lingus, +39 more

Tuesday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Wednesday

ANA, Aer Lingus, Aeromexico, +37 more

ANA, Aer Lingus, +38 more

Thursday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Friday

ANA, Aer Lingus, Aeromexico, +38 more

ANA, Aer Lingus, +39 more

Saturday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Sunday

ANA, Aer Lingus, Aeromexico, +40 more

ANA, Aer Lingus, +41 more

See more direct flights

Nonstop returns

Lambert-St Louis to Worldwide

Monday

ANA, Aer Lingus, Aeromexico, +38 more

ANA, Aer Lingus, +39 more

Tuesday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Wednesday

ANA, Aer Lingus, Aeromexico, +37 more

ANA, Aer Lingus, +38 more

Thursday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Friday

ANA, Aer Lingus, Aeromexico, +38 more

ANA, Aer Lingus, +39 more

Saturday

ANA, Aer Lingus, Aeromexico, +39 more

ANA, Aer Lingus, +40 more

Sunday

ANA, Aer Lingus, Aeromexico, +40 more

ANA, Aer Lingus, +41 more

See more direct flights
See more direct flights

Book cheap flights from Worldwide to St. Louis

Recent round-trip flight deals

6/19Wed
nonstopFrontier
1h 46mDFW-STL
6/24Mon
nonstopFrontier
1h 50mSTL-DFW
$48
7/31Wed
nonstopFrontier
2h 30mPHL-STL
8/7Wed
nonstopFrontier
2h 13mSTL-PHL
$58
6/4Tue
1 stop
8h 06mPHL-STL
6/10Mon
nonstop
2h 12mSTL-PHL
$103
7/10Wed
nonstop
2h 30mPHL-STL
7/16Tue
1 stop
10h 46mSTL-PHL
$104
5/29Wed
2 stopsSpirit Airlines
21h 28mBWI-STL
6/4Tue
1 stopSpirit Airlines
8h 41mSTL-BWI
$105
5/29Wed
1 stopSpirit Airlines
20h 17mBWI-STL
6/4Tue
1 stopSpirit Airlines
8h 41mSTL-BWI
$111
5/29Wed
nonstopAmerican Airlines
2h 16mDCA-STL
5/31Fri
nonstopAmerican Airlines
1h 59mSTL-DCA
$169
7/16Tue
nonstopAmerican Airlines
2h 41mPHL-STL
7/20Sat
nonstopAmerican Airlines
2h 14mSTL-PHL
$179
5/25Sat
1 stopSun Country Air
9h 25mPHL-STL
5/26Sun
1 stopSun Country Air
15h 46mSTL-PHL
$182
6/19Wed
1 stopSun Country Air
10h 53mPHL-STL
6/23Sun
1 stopSun Country Air
16h 12mSTL-PHL
$196

Search by stops

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Recent one-way flight deals

6/10Mon
nonstopFrontier
2h 27mPHL-STL
$39
6/4Tue
1 stopSpirit Airlines
13h 25mSEA-STL
$42
6/4Tue
nonstopAmerican Airlines
2h 16mDCA-STL
$85
6/8Sat
1 stopSun Country Air
25h 11mDFW-STL
$88
5/30Thu
nonstopAmerican Airlines
2h 44mPHL-STL
$90
6/22Sat
1 stopSun Country Air
9h 41mPHL-STL
$91
6/4Tue
1 stopDelta
4h 23mIAD-STL
$94
6/4Tue
1 stopDelta
7h 22mDCA-STL
$94
5/14Tue
2 stops
9h 30mDFW-STL
$107
5/14Tue
2 stops
8h 32mPHL-STL
$107

Search by stops

Search by airline

Search by price

Last minute flights from Worldwide to St. Louis

Last minute flight, train and bus deals

5/13Mon
multi-stop
10h 39mLAX-STL
5/15Wed
multi-stop
13h 16mSTL-LAX
$121
5/13Mon
multi-stopFrontier
10h 39mLAX-STL
5/17Fri
multi-stopFrontier
14h 39mSTL-LAX
$145
5/13Mon
multi-stopSpirit Airlines
6h 39mLAX-STL
5/15Wed
multi-stopSpirit Airlines
21h 43mSTL-LAX
$179
5/13Mon
multi-stopSpirit Airlines
14h 42mPHL-STL
5/14Tue
multi-stopSpirit Airlines
17h 25mSTL-PHL
$280
5/13Mon
multi-stopDelta
7h 17mJFK-STL
6/29Sat
multi-stopDelta
7h 26mSTL-JFK
$366
5/13Mon
nonstopAmerican Airlines
2h 39mLGA-STL
6/29Sat
multi-stopAmerican Airlines
4h 15mSTL-LGA
$371
5/11Sat
multi-stopAmerican Airlines
6h 31mEWR-STL
5/14Tue
multi-stopAmerican Airlines
4h 40mSTL-EWR
$397
5/11Sat
multi-stopUnited Airlines
5h 24mLGA-STL
5/14Tue
multi-stopUnited Airlines
5h 12mSTL-LGA
$400
5/13Mon
nonstopDelta
2h 55mLGA-STL
5/14Tue
nonstopDelta
2h 33mSTL-LGA
$403
5/11Sat
multi-stopUnited Airlines
5h 17mEWR-STL
5/18Sat
nonstopUnited Airlines
2h 25mSTL-EWR
$420

Search by stops

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Flights to St. Louis

Destination:

St. Louis (STL)United States

Return flight deals:

St. Louis - Worldwide

Cabin classes:

$490
$392
$407
$50