What are the cheapest airlines to fly from St. Louis to Europe one-way?

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $393. Users have also found prices from $423 and $426 on Iberia and Aer Lingus, respectively.

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

The most popular flight routes from St. Louis to Europe are Lambert-St Louis - London Heathrow, Lambert-St Louis - Frankfurt am Main and Lambert-St Louis - Rome Fiumicino.

What are the most popular airlines that fly from St. Louis to Europe?

The most popular airlines flying from St. Louis to Europe are American Airlines, Air Canada and British Airways. Something to consider prior to booking your flight.

How far in advance should I book a flight from St. Louis to Europe?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 32 days in advance, which can save you up to 77% on flights from St. Louis to Europe compared to booking the week you need them. Waiting 32 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $943. For sooner than that we have options available in the next 3 days from $1,555.

What is the cheapest month to fly from St. Louis to Europe?

The best pricing can be found in the month of October. Prices to Europe from St. Louis average $1,142. You can even find prices in October for less than $1,142, as users have found deals to Europe from as low as $694. The month of June appears to be one of the more expensive times to travel to Europe from St. Louis. Flying in the targeted month can save you up to 35%.

Most accurate provider : When it comes to deals on St. Louis-Europe flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on St. Louis-Europe flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from St. Louis-Europe flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Europe flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Europe flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Europe. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

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

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

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

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

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

$700+ Flights from St. Louis to Europe

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

Currently, November is the cheapest month in which you can book a flight from St. Louis to Europe (average of $523). Flying from St. Louis to Europe in June is currently the most expensive (average of $903). 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.

Q: E

In terms of precipitation, rainfall in Europe ranges from 0.4 - 3.9 inches per month. December is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Europe when rainfall is around 0.4 in.

Q: E

If weather is an important factor for your trip to Europe, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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

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

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Find cheap flights from St. Louis to Europe with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheap flight deals from St. Louis to Europe

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$609 (Air Canada)
One-way from	$226 (Kiwi.com)
Popular in	June
Cheapest in	October
Average price	$1,253
Good round-trip deal	$944 or less
Good one-way deal	$631 or less

Provider with most accurate pricing for Lambert-St Louis-Europe flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Europe flights.

Search Deals

From Lambert-St Louis to Europe

Search Deals

One-way flight from Lambert-St Louis to Europe

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($193 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Price to beat on a round-trip flight from Lambert-St Louis to Europe.

Search Deals

Price to beat on a one-way flight from Lambert-St Louis to Europe.

Search Deals

Find flight deals from St. Louis to Europe

Cheapest flights from St. Louis to Europe
Explore the most affordable flight options available from St. Louis to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Wed 10/221:54 pmSTL - DUB

1 stop13h 51mIberia

Wed 11/52:05 pmDUB - STL

1 stop14h 24mIberia

Deal found 4/30

$472

Wed 10/2212:50 pmSTL - DUB

1 stop10h 40mAmerican Airlines

Wed 11/511:30 amDUB - STL

2 stops15h 42mAmerican Airlines

Deal found 4/30

$496

Wed 10/224:52 pmSTL - DUB

2 stops15h 43mBritish Airways

Wed 11/510:25 amDUB - STL

2 stops17h 16mBritish Airways

Deal found 4/30

$506

Mon 11/102:49 pmSTL - FCO

1 stop11h 11mIberia

Tue 11/256:55 pmFCO - STL

2 stops33h 46mIberia

Deal found 4/30

$582

Mon 11/106:43 amSTL - FCO

1 stop19h 17mAmerican Airlines

Tue 11/257:35 amFCO - STL

2 stops21h 06mAmerican Airlines

Deal found 4/30

$590

Thu 8/219:17 amSTL - DUB

2 stops16h 58mUnited Airlines

Tue 8/269:20 amDUB - STL

2 stops31h 18mUnited Airlines

Deal found 4/29

$598

Mon 11/102:49 pmSTL - FCO

1 stop11h 11mMultiple Airlines

Tue 11/251:10 pmFCO - STL

1 stop14h 06mMultiple Airlines

Deal found 4/30

$604

Thu 8/219:15 amSTL - DUB

1 stop17h 00mAir Canada

Tue 8/269:20 amDUB - STL

1 stop16h 40mAir Canada

Deal found 4/29

$606

Wed 10/294:45 pmSTL - DUB

2 stops19h 30mLufthansa

Fri 11/1410:45 amDUB - STL

2 stops36h 29mLufthansa

Deal found 4/30

$616

Wed 10/293:30 pmSTL - DUB

1 stop11h 15mKLM

Mon 11/39:45 amDUB - STL

1 stop12h 13mKLM

Deal found 4/28

$622

Wed 10/293:30 pmSTL - DUB

1 stop11h 15mDelta

Sun 11/99:45 amDUB - STL

1 stop28h 25mDelta

Deal found 4/30

$628

Sun 11/24:15 pmSTL - DUB

2 stops19h 35mMultiple Airlines

Sun 11/165:00 amDUB - STL

2 stops16h 26mMultiple Airlines

Deal found 4/29

$640

Best flights from St. Louis to Europe
Discover carefully curated flight deals from St. Louis to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Tue 7/294:00 pmSTL - DUB

1 stop10h 15mAir Canada

Tue 8/59:20 amDUB - STL

2 stops33h 07mAir Canada

Deal found 4/30

$609

Tue 7/295:20 pmSTL - DUB

1 stop11h 50mUnited Airlines

Thu 8/79:20 amDUB - STL

1 stop16h 40mUnited Airlines

Deal found 4/30

$619

Wed 7/239:26 amSTL - DUB

1 stop18h 19mAmerican Airlines

Sun 8/39:30 amDUB - STL

1 stop13h 37mAmerican Airlines

Deal found 4/30

$656

Tue 5/133:40 pmSTL - DUB

1 stop11h 05mKLM

Tue 5/2012:00 pmDUB - STL

1 stop17h 26mKLM

Deal found 4/29

$686

Mon 7/285:37 pmSTL - LHR

1 stop13h 33mDelta

Thu 8/146:15 amLHR - STL

2 stops17h 48mDelta

Deal found 4/30

$736

Tue 5/135:45 pmSTL - LGW

1 stop34h 15mMultiple Airlines

Tue 5/202:00 pmLGW - STL

1 stop15h 44mMultiple Airlines

Deal found 4/29

$754

Mon 7/74:52 pmSTL - DUB

1 stop12h 48mIberia

Tue 7/1512:40 pmDUB - STL

1 stop14h 08mIberia

Deal found 4/29

$774

Mon 7/281:16 pmSTL - LHR

1 stop11h 24mBritish Airways

Thu 8/1410:30 amLHR - STL

1 stop13h 59mBritish Airways

Deal found 4/29

$800

Wed 5/76:00 amSTL - DUB

1 stop17h 10mAer Lingus

Sat 5/1711:35 amDUB - STL

1 stop12h 53mAer Lingus

Deal found 4/30

$833

Mon 9/221:30 pmSTL - CDG

2 stops22h 55mScandinavian Airlines

Mon 9/292:15 pmCDG - STL

2 stops40h 24mScandinavian Airlines

Deal found 4/30

$872

Mon 10/65:30 pmSTL - FRA

1 stop30h 50mLufthansa

Sun 10/1210:40 amFRA - STL

Nonstop9h 50mLufthansa

Deal found 4/30

$897

Thu 5/1510:05 amSTL - LHR

2 stops14h 15mVirgin Atlantic

Sun 6/159:40 amLHR - STL

2 stops17h 54mVirgin Atlantic

Deal found 4/30

$983

Last-minute flights from St. Louis to Europe
Discover last-minute flight deals from St. Louis to Europe. Data last updated May 1, 2025 and is based on user searches.

Mon 5/54:50 pmSTL - LHR

1 stop32h 50mUnited Airlines

Thu 5/155:40 pmLHR - STL

1 stop24h 56mUnited Airlines

Deal found 4/29

$923

Mon 5/56:30 amSTL - DUB

1 stop21h 15mUnited Airlines

Sun 5/189:20 amDUB - STL

2 stops37h 47mUnited Airlines

Deal found 4/29

$999

Tue 5/65:32 pmSTL - LHR

1 stop13h 58mDelta

Tue 5/136:15 amLHR - STL

2 stops16h 45mDelta

Deal found 4/29

$849

Tue 5/61:30 pmSTL - LHR

1 stop14h 30mMultiple Airlines

Wed 5/1410:30 amLHR - STL

2 stops15h 28mMultiple Airlines

Deal found 4/29

$897

Wed 5/76:00 amSTL - DUB

1 stop17h 10mAer Lingus

Sat 5/1711:35 amDUB - STL

1 stop12h 53mAer Lingus

Deal found 4/30

$833

Wed 5/71:38 pmSTL - CDG

2 stops24h 27mAer Lingus

Wed 5/141:20 pmCDG - STL

2 stops17h 31mAer Lingus

Deal found 4/30

$881

Wed 5/75:12 amSTL - DUB

1 stop18h 18mAmerican Airlines

Sat 5/179:30 amDUB - STL

2 stops15h 53mAmerican Airlines

Deal found 4/30

$946

Wed 5/76:30 amSTL - DUB

2 stops19h 45mAir Canada

Sat 5/179:50 amDUB - STL

2 stops40h 08mAir Canada

Deal found 4/30

$974

Wed 5/71:38 pmSTL - FRA

2 stops37h 37mAer Lingus

Wed 5/1410:55 amFRA - STL

2 stops19h 56mAer Lingus

Deal found 4/30

$990

Fri 5/98:00 amSTL - LCY

2 stops21h 40mMultiple Airlines

Tue 5/138:45 amLCY - STL

2 stops19h 18mMultiple Airlines

Deal found 4/29

$1,119

Sat 5/104:15 pmSTL - LHR

1 stop12h 15mFinnair

Fri 5/2310:20 amLHR - STL

2 stops17h 32mFinnair

Deal found 4/30

$1,001

Sun 5/1110:31 amSTL - FCO

2 stops16h 54mAer Lingus

Sun 5/187:30 amFCO - STL

2 stops23h 21mAer Lingus

Deal found 4/30

$962

One-way flights from St. Louis to Europe
Search for one-way flight options from St. Louis to Europe. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Mon 7/215:40 pmSTL - LGW

1 stop34h 20mMultiple Airlines

Deal found 4/30

$226

Wed 7/165:40 pmSTL - FCO

2 stops48h 15mMultiple Airlines

Deal found 4/30

$300

Mon 9/221:00 pmSTL - LHR

3 stops16h 55mMultiple Airlines

Deal found 4/30

$389

Wed 7/308:01 pmSTL - DUB

1 stop9h 39mAmerican Airlines

Deal found 4/30

$393

Sat 5/105:45 pmSTL - CDG

3 stops45h 45mMultiple Airlines

Deal found 4/30

$404

Sun 9/1412:07 pmSTL - CDG

1 stop14h 53mIberia

Deal found 4/30

$423

Mon 9/228:26 amSTL - LHR

2 stops17h 34mAer Lingus

Deal found 4/30

$426

Wed 7/301:29 pmSTL - DUB

2 stops14h 31mDelta

Deal found 4/30

$433

Mon 7/214:52 pmSTL - LHR

1 stop12h 03mBritish Airways

Deal found 4/30

$443

Mon 7/2110:30 amSTL - LGW

2 stops17h 30mDelta

Deal found 4/30

$443

Mon 9/228:26 amSTL - LCY

2 stops26h 04mBritish Airways

Deal found 4/30

$452

Fri 8/2210:08 amSTL - CDG

1 stop16h 52mAmerican Airlines

Deal found 4/30

$473

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Europe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 7/29

4:00 pm-8:15 am

1 stop10h 15m

Dublin

Tue 8/5

9:20 am-12:27 pm

2 stops33h 07m

$609

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 7/29

5:20 pm-11:10 am

1 stop11h 50m

Dublin

Thu 8/7

9:20 am-8:00 pm

1 stop16h 40m

$619

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 7/23

9:26 am-9:45 am

1 stop18h 19m

Dublin

Sun 8/3

9:30 am-5:07 pm

1 stop13h 37m

$656

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 9/22

8:26 am-9:10 am

1 stop17h 44m

Rome Fiumicino

Wed 10/1

11:05 am-8:23 pm

1 stop16h 18m

$685

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 5/13

3:40 pm-8:45 am

1 stop11h 05m

Dublin

Tue 5/20

12:00 pm-11:26 pm

1 stop17h 26m

$686

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Mon 7/28

5:37 pm-1:10 pm

1 stop13h 33m

London Heathrow

Thu 8/14

6:15 am-6:03 pm

2 stops17h 48m

$736

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 10/13

3:30 pm-1:05 pm

2 stops14h 35m

Rome Fiumicino

Mon 10/20

2:40 pm-3:18 pm

2 stops31h 38m

$752

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Tue 5/13

5:45 pm-10:00 am

1 stop34h 15m

London Gatwick

Tue 5/20

2:00 pm-11:44 pm

1 stop15h 44m

$754

St. LouisLondon

STL - LGW

STLLGW

Lambert-St Louis

Wed 8/27

11:51 am-10:00 am

2 stops16h 09m

London Gatwick

Mon 9/8

12:00 pm-11:39 pm

2 stops17h 39m

$761

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Wed 10/1

8:01 pm-7:15 pm

2 stops16h 14m

Rome Fiumicino

Tue 10/14

10:20 am-8:19 pm

1 stop16h 59m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 results

...

Most accurate provider: When it comes to deals on St. Louis-Europe flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on St. Louis-Europe flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from St. Louis-Europe flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Europe flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Europe flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Europe

Have a flexible travel schedule? Discover the best time to fly to Europe from St. Louis 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 St. Louis to Europe

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

Currently, November is the cheapest month in which you can book a flight from St. Louis to Europe (average of $523). Flying from St. Louis to Europe in June is currently the most expensive (average of $903). 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 STL to EU?

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

Rainfall in Europe by month

In terms of precipitation, rainfall in Europe ranges from 0.4 - 3.9 inches per month. December is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Europe when rainfall is around 0.4 in.

Temperature in Europe by month

If weather is an important factor for your trip to Europe, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Europe

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

781 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,446 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from St. Louis to Europe?
Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Europe. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.
What are the cheapest airlines to fly from St. Louis to Europe one-way?
For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $393. Users have also found prices from $423 and $426 on Iberia and Aer Lingus, respectively.
What are the most popular routes from St. Louis to Europe?
The most popular flight routes from St. Louis to Europe are Lambert-St Louis - London Heathrow, Lambert-St Louis - Frankfurt am Main and Lambert-St Louis - Rome Fiumicino.
Can I find deals for flights from St. Louis to Europe that include hotel bookings?
Yes. In addition to deals on St. Louis to Europe flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Europe?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Europe.
Can I find deals for business class flights from St. Louis to Europe?
Yes. Cheapflights offers flight deals from St. Louis to Europe 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 St. Louis to Europe?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Europe (average of $523). Flying from St. Louis to Europe in June is currently the most expensive (average of $903). 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

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from St. Louis to Europe

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$469	Average$918	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$527	Average$989	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$540	Average$949	FlexibilityNo cancel fee	On-time75%
Iberia	Cheapest$553	Average$929	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$576	Average$1,025	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$590	Average$1,003	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$591	Average$1,057	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$594	Average$988	FlexibilityNo cancel fee	On-time69%
Scandinavian Airlines	Cheapest$603	Average$1,065	FlexibilityNo cancel fee	On-time77%
Austrian Airlines	Cheapest$611	Average$1,283	FlexibilityNo cancel fee	On-time78%

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$226+ Cheap flights from St. Louis (STL) to Europe

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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Europe with Cheapflights

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Cheap flight deals from St. Louis to Europe

Keep the following information in mind while searching for St. Louis to Europe flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from St. Louis to Europe

Cheapest flights from St. Louis to EuropeExplore the most affordable flight options available from St. Louis to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from St. Louis to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Europe that are best for you.

Best time to book a flight from St. Louis to Europe

Have a flexible travel schedule? Discover the best time to fly to Europe from St. Louis with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from St. Louis to Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Rainfall in Europe by month

Plan your trip to Europe by taking into account the average rainfall totals by month.

Temperature in Europe by month

Plan your trip to Europe by taking into account the average temperature totals by month.

Reviews of airlines servicing Europe

Get insights into the airlines that provide service to Europe. 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 Europe. Reviews last updated May 1, 2025.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Europe. 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 from for flights from St. Louis to Europe?

What are the cheapest airlines to fly from St. Louis to Europe one-way?

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

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

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

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

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

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Cheapest flights from St. Louis to Europe
Explore the most affordable flight options available from St. Louis to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.