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St. Louis

$308+ Cheap flights from Europe to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Europe to St. Louis

Keep the following information in mind while searching for Europe to St. Louis flight deals. Data was last updated September 11, 2025.

Round-trip from

$487
(Flysmarter)

One-way from

$308
(Flysmarter)

Popular in

June

Cheapest in

December

Average price

$699

Good one-way deal

$1,006 or less
From Europe to Lambert-St Louis
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One-way flight from Europe to Lambert-St Louis
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Highest demand for flights based on searches. 21% potential increase in price ($252 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Europe to Lambert-St Louis.
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Find flight deals from Europe to St. Louis

Cheapest flights from Europe to St. Louis
Explore the most affordable flight options available from Europe to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Flysmarter deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:55 amCPH - STL
2 stops18h 30mBritish Airways
Tue 11/253:43 pmSTL - CPH
2 stops14h 32mBritish Airways
Deal found 9/11$487
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:30 amCPH - STL
2 stops18h 52mAmerican Airlines
Mon 12/83:22 pmSTL - CPH
2 stops19h 03mAmerican Airlines
Deal found 9/10$494
This Travelis deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:50 amCPH - STL
1 stop14h 05mLufthansa
Tue 11/2512:31 pmSTL - CPH
2 stops16h 54mLufthansa
Deal found 9/11$502
This British Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:05 amCPH - STL
2 stops19h 05mBritish Airways
Mon 9/292:11 pmSTL - CPH
2 stops16h 24mBritish Airways
Deal found 9/10$545
This AirNGo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:15 amFRA - STL
1 stop14h 07mBritish Airways
Fri 11/142:17 pmSTL - FRA
2 stops24h 43mBritish Airways
Deal found 9/11$572
This Ticket deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:40 amFRA - STL
1 stop12h 49mMultiple Airlines
Fri 11/141:55 pmSTL - FRA
1 stop11h 45mMultiple Airlines
Deal found 9/11$579
This KLM deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:15 amDUS - STL
2 stops15h 47mMultiple Airlines
Fri 11/73:59 pmSTL - DUS
2 stops14h 46mMultiple Airlines
Deal found 9/11$579
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/304:20 pmDUS - STL
2 stops23h 52mAmerican Airlines
Mon 10/134:45 pmSTL - DUS
2 stops21h 20mAmerican Airlines
Deal found 9/11$585
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:15 pmFRA - STL
2 stops16h 09mDelta
Sun 10/129:10 amSTL - FRA
2 stops16h 50mDelta
Deal found 9/11$586
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:05 amDUS - STL
2 stops19h 22mAmerican Airlines
Mon 11/102:05 pmSTL - DUS
2 stops18h 05mAmerican Airlines
Deal found 9/9$586
This KLM deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/192:30 pmDUS - STL
2 stops15h 54mMultiple Airlines
Tue 9/306:00 pmSTL - DUS
2 stops14h 45mMultiple Airlines
Deal found 9/10$587
This Ticket deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:40 amFRA - STL
1 stop12h 49mKLM
Fri 11/1411:44 amSTL - FRA
2 stops14h 51mKLM
Deal found 9/11$588

Cheapflights Fare Finder

 
Customize your flight search to find flights from Europe to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Europe to St. Louis that are best for you.

Fly from

Europe

Fly to

St. Louis

Route

Depart

Return

Price

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 11/16

6:55 am-5:54 pm

2 stops17h 59m

Lambert-St Louis

Tue 11/25

11:42 am-11:30 am

2 stops16h 48m

$487

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Thu 12/4

10:30 am-10:22 pm

2 stops18h 52m

Lambert-St Louis

Mon 12/8

3:22 pm-5:25 pm

2 stops19h 03m

$494

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Sun 11/16

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

Tue 11/25

12:31 pm-12:25 pm

2 stops16h 54m

$502

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Wed 11/12

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

Tue 11/25

12:31 pm-12:25 pm

2 stops16h 54m

$502

DüsseldorfSt. Louis

DUS - STL

DUSSTL

Duesseldorf Intl

Fri 10/31

8:15 am-6:02 pm

2 stops15h 47m

Lambert-St Louis

Fri 11/7

3:59 pm-1:45 pm

2 stops14h 46m

$579

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Fri 10/31

10:50 am-6:46 pm

1 stop13h 56m

Lambert-St Louis

Fri 11/14

4:42 pm-3:40 pm

2 stops15h 58m

$583

DüsseldorfSt. Louis

DUS - STL

DUSSTL

Duesseldorf Intl

Thu 10/2

2:30 pm-11:24 pm

2 stops15h 54m

Lambert-St Louis

Sun 10/12

9:10 am-7:40 am

2 stops15h 30m

$585

DüsseldorfSt. Louis

DUS - STL

DUSSTL

Duesseldorf Intl

Thu 10/2

2:30 pm-11:24 pm

2 stops15h 54m

Lambert-St Louis

Mon 10/13

5:31 pm-1:55 pm

2 stops13h 24m

$585

DüsseldorfSt. Louis

DUS - STL

DUSSTL

Duesseldorf Intl

Thu 11/6

10:20 am-7:27 pm

2 stops16h 07m

Lambert-St Louis

Mon 11/10

11:42 am-11:40 am

2 stops16h 58m

$585

Frankfurt am MainSt. Louis

FRA - STL

FRASTL

Frankfurt am Main

Wed 10/1

7:00 am-4:37 pm

2 stops16h 37m

Lambert-St Louis

Tue 10/7

11:21 am-9:50 am

2 stops15h 29m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 60 results
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Best time to book a flight from Europe to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Europe with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Europe to St. Louis

What is the cheapest month to book a flight from Europe to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Europe to St. Louis (average of $311). Flying from Europe to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from EU to STL?

Find hourly flight availability from Europe to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Europe to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with KLM, United Airlines, and Iberia from Europe to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,385 reviews

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,937 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Iberia
7.0
Good
2,929 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Lufthansa
6.8
Okay
7,409 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
British Airways
6.7
Okay
7,361 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

Find useful and relevant information for your journey from Europe to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Europe?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Europe to St. Louis. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

  • How long is the flight from Europe to St. Louis?

    A quick flight from Europe to St. Louis can take about 15h 54m. British Airways provides one of the quickest options available for as low as $585. The distance between Europe and St. Louis is about 4466 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Europe to St. Louis?

    While some choose either London Heathrow - Lambert-St Louis or London Gatwick - Lambert-St Louis, Frankfurt am Main - Lambert-St Louis is the most popular route from Europe to St. Louis.

  • Can I find deals for flights from Europe to St. Louis that include hotel bookings?

    Yes. In addition to deals on Europe to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Europe to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Europe to St. Louis.

  • Can I find deals for business class flights from Europe to St. Louis?

    Yes. Cheapflights offers flight deals from Europe to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Europe to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Europe to St. Louis (average of $311). Flying from Europe to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Europe to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Europe to St. Louis

Discover the top 6 airlines that operate flights from Europe to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$485Average$839FlexibilityNo cancel feeOn-time69%
IberiaCheapest$553Average$598FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$555Average$1,063FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$557Average$613FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$567Average$588FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$589Average$927FlexibilityNo cancel feeOn-time76%

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