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

For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $443. Users have also found prices from $451 and $464 on KLM and Air Canada, 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 - London Gatwick.

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 February. Prices to Europe from St. Louis average $1,135. You can even find prices in February for less than $1,135, as users have found deals to Europe from as low as $719. 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 31%.

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.

$657+ 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 $965). 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

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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	$618 (Expedia)
One-way from	$172 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$996
Good round-trip deal	$1,010 or less
Good one-way deal	$604 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 ($185 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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.

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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 March 26, 2025.

Tue 5/61:30 pmSTL - DUB

2 stops36h 45mAir Canada

Tue 5/139:50 amDUB - STL

2 stops40h 08mAir Canada

Deal found 3/24

$583

Wed 4/308:00 amSTL - DUB

2 stops17h 10mUnited Airlines

Wed 5/149:50 amDUB - STL

1 stop32h 46mUnited Airlines

Deal found 3/24

$585

Sat 9/205:21 pmSTL - DUB

1 stop31h 59mMultiple Airlines

Tue 9/309:20 amDUB - STL

1 stop16h 37mMultiple Airlines

Deal found 3/24

$586

Mon 5/262:15 pmSTL - DUB

1 stop13h 45mDelta

Thu 6/510:00 amDUB - STL

2 stops19h 38mDelta

Deal found 3/24

$600

Mon 9/15:30 pmSTL - DUB

2 stops19h 45mLufthansa

Mon 9/88:00 pmDUB - STL

2 stops25h 44mLufthansa

Deal found 3/25

$637

Fri 11/711:56 amSTL - DUB

1 stop13h 19mIberia

Sat 11/152:05 pmDUB - STL

1 stop14h 24mIberia

Deal found 3/25

$644

Mon 5/510:42 amSTL - DUB

1 stop16h 03mKLM

Sun 5/1810:00 amDUB - STL

1 stop19h 26mKLM

Deal found 3/23

$656

Thu 12/42:44 pmSTL - FCO

1 stop11h 16mMultiple Airlines

Tue 12/91:10 pmFCO - STL

2 stops17h 24mMultiple Airlines

Deal found 3/24

$686

Tue 9/231:30 pmSTL - LHR

2 stops20h 30mScandinavian Airlines

Tue 9/306:40 amLHR - STL

2 stops22h 59mScandinavian Airlines

Deal found 3/26

$687

Fri 4/1111:21 amSTL - LHR

1 stop13h 04mIberia

Thu 4/173:30 pmLHR - STL

1 stop14h 03mIberia

Deal found 3/24

$690

Mon 12/14:15 pmSTL - CDG

2 stops35h 15mMultiple Airlines

Thu 12/1111:15 amCDG - STL

2 stops35h 11mMultiple Airlines

Deal found 3/25

$690

Tue 5/131:38 pmSTL - LHR

1 stop16h 37mBritish Airways

Tue 5/205:20 pmLHR - STL

2 stops31h 13mBritish Airways

Deal found 3/24

$691

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 March 26, 2025.

Mon 9/14:05 pmSTL - DUB

1 stop10h 10mMultiple Airlines

Mon 9/88:00 pmDUB - STL

2 stops25h 44mMultiple Airlines

Deal found 3/25

$618

Mon 9/18:10 amSTL - DUB

2 stops17h 35mUnited Airlines

Mon 9/89:20 amDUB - STL

2 stops36h 24mUnited Airlines

Deal found 3/24

$622

Mon 9/14:05 pmSTL - DUB

1 stop10h 10mAir Canada

Mon 9/89:20 amDUB - STL

1 stop16h 37mAir Canada

Deal found 3/25

$636

Mon 9/15:30 pmSTL - DUB

2 stops19h 45mLufthansa

Mon 9/88:00 pmDUB - STL

2 stops25h 44mLufthansa

Deal found 3/25

$637

Mon 5/512:51 pmSTL - DUB

1 stop13h 54mKLM

Sun 5/1810:00 amDUB - STL

1 stop19h 26mKLM

Deal found 3/24

$656

Fri 4/1111:21 amSTL - LHR

1 stop13h 04mIberia

Thu 4/173:30 pmLHR - STL

1 stop14h 03mIberia

Deal found 3/24

$690

Tue 5/131:38 pmSTL - LHR

1 stop16h 37mBritish Airways

Tue 5/205:20 pmLHR - STL

2 stops31h 13mBritish Airways

Deal found 3/24

$691

Tue 5/132:15 pmSTL - LHR

2 stops16h 55mDelta

Tue 5/208:40 amLHR - STL

2 stops17h 59mDelta

Deal found 3/24

$696

Mon 8/253:30 pmSTL - DUB

2 stops20h 45mScandinavian Airlines

Tue 9/212:40 pmDUB - STL

2 stops40h 59mScandinavian Airlines

Deal found 3/25

$779

Tue 8/262:49 pmSTL - DUB

1 stop14h 51mAer Lingus

Tue 9/21:45 pmDUB - STL

1 stop14h 04mAer Lingus

Deal found 3/25

$792

Sat 5/175:00 pmSTL - LHR

1 stop31h 45mVirgin Atlantic

Thu 6/129:20 amLHR - STL

1 stop13h 02mVirgin Atlantic

Deal found 3/26

$819

Fri 5/235:40 pmSTL - DUB

2 stops33h 35mAir France

Sat 6/710:00 amDUB - STL

2 stops19h 26mAir France

Deal found 3/24

$835

Last-minute flights from St. Louis to Europe
Discover last-minute flight deals from St. Louis to Europe. Data last updated March 26, 2025 and is based on user searches.

Tue 4/110:40 amSTL - LIS

2 stops15h 40mUnited Airlines

Tue 4/811:25 amLIS - STL

3 stops34h 22mUnited Airlines

Deal found 3/24

$773

Tue 4/111:55 amSTL - LIS

2 stops27h 40mAer Lingus

Tue 4/810:15 pmLIS - STL

2 stops31h 18mAer Lingus

Deal found 3/25

$836

Tue 4/15:35 pmSTL - LIS

2 stops22h 15mLufthansa

Tue 4/810:25 amLIS - STL

1 stop18h 42mLufthansa

Deal found 3/24

$848

Tue 4/112:15 pmSTL - LIS

3 stops20h 30mMultiple Airlines

Tue 4/85:55 amLIS - STL

3 stops35h 50mMultiple Airlines

Deal found 3/24

$849

Tue 4/110:12 amSTL - CDG

2 stops17h 28mAer Lingus

Tue 4/1510:10 amCDG - STL

2 stops19h 02mAer Lingus

Deal found 3/24

$1,014

Thu 4/34:57 pmSTL - LGW

1 stop35h 03mMultiple Airlines

Thu 4/102:00 pmLGW - STL

1 stop15h 46mMultiple Airlines

Deal found 3/25

$742

Thu 4/32:05 pmSTL - LHR

2 stops15h 05mAer Lingus

Tue 4/87:40 amLHR - STL

2 stops16h 22mAer Lingus

Deal found 3/24

$909

Thu 4/31:43 pmSTL - LHR

1 stop13h 57mUnited Airlines

Tue 4/82:05 pmLHR - STL

2 stops28h 15mUnited Airlines

Deal found 3/24

$960

Thu 4/33:30 pmSTL - LHR

1 stop14h 20mMultiple Airlines

Mon 4/77:30 pmLHR - STL

2 stops26h 17mMultiple Airlines

Deal found 3/24

$989

Thu 4/35:55 amSTL - LCY

2 stops33h 15mBritish Airways

Mon 4/77:00 pmLCY - STL

2 stops31h 58mBritish Airways

Deal found 3/24

$1,011

Thu 4/31:48 pmSTL - LHR

2 stops14h 27mDelta

Mon 4/711:45 amLHR - STL

2 stops17h 44mDelta

Deal found 3/24

$1,023

Thu 4/33:30 pmSTL - DUB

1 stop10h 45mAir Canada

Mon 4/79:50 amDUB - STL

2 stops35h 57mAir Canada

Deal found 3/24

$1,051

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 March 26, 2025.

Tue 4/84:57 pmSTL - LGW

1 stop35h 03mMultiple Airlines

Deal found 3/25

$172

Sun 4/64:57 pmSTL - FRA

3 stops58h 18mMultiple Airlines

Deal found 3/24

$316

Wed 4/166:44 amSTL - FCO

2 stops43h 56mMultiple Airlines

Deal found 3/25

$393

Thu 4/104:57 pmSTL - BCN

3 stops49h 08mMultiple Airlines

Deal found 3/25

$396

Tue 4/812:15 pmSTL - LHR

3 stops17h 40mMultiple Airlines

Deal found 3/25

$413

Mon 4/2112:00 pmSTL - LHR

2 stops14h 00mAer Lingus

Deal found 3/24

$443

Sat 6/282:52 pmSTL - LIS

3 stops47h 28mMultiple Airlines

Deal found 3/25

$445

Mon 4/217:01 pmSTL - LHR

1 stop12h 29mKLM

Deal found 3/24

$451

Thu 5/81:30 pmSTL - LHR

1 stop14h 30mAir Canada

Deal found 3/25

$464

Thu 5/87:10 amSTL - LGW

2 stops17h 25mAmerican Airlines

Deal found 3/25

$469

Sun 5/46:00 amSTL - DUB

1 stop20h 45mDelta

Deal found 3/24

$479

Mon 5/54:05 pmSTL - FRA

2 stops20h 40mScandinavian Airlines

Deal found 3/25

$482

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 5/6

1:30 pm-8:15 am

2 stops36h 45m

Dublin

Tue 5/13

9:50 am-7:58 pm

2 stops40h 08m

$583

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 4/30

8:00 am-7:10 am

2 stops17h 10m

Dublin

Wed 5/14

9:50 am-12:36 pm

1 stop32h 46m

$585

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 9/20

5:21 pm-7:20 am

1 stop31h 59m

Dublin

Tue 9/30

9:20 am-7:57 pm

1 stop16h 37m

$586

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 5/26

2:15 pm-10:00 am

1 stop13h 45m

Dublin

Thu 6/5

10:00 am-11:38 pm

2 stops19h 38m

$600

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 9/1

5:30 pm-7:15 pm

2 stops19h 45m

Dublin

Mon 9/8

8:00 pm-3:44 pm

2 stops25h 44m

$637

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 5/5

10:42 am-8:45 am

1 stop16h 03m

Dublin

Sun 5/18

10:00 am-11:26 pm

1 stop19h 26m

$656

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Fri 4/11

11:21 am-6:25 am

1 stop13h 04m

London Heathrow

Thu 4/17

3:30 pm-11:33 pm

1 stop14h 03m

$690

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 5/13

1:38 pm-12:15 pm

1 stop16h 37m

London Heathrow

Tue 5/20

5:20 pm-6:33 pm

2 stops31h 13m

$691

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 5/13

2:15 pm-1:10 pm

2 stops16h 55m

London Heathrow

Tue 5/20

8:40 am-8:39 pm

2 stops17h 59m

$696

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 5/7

10:36 am-8:45 am

1 stop15h 09m

Frankfurt am Main

Wed 5/14

10:55 am-6:27 pm

1 stop14h 32m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 $965). 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

7,891 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

7,891 reviews

Delta

8.0

Very good

7,891 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.

Alaska Airlines

8.0

Very good

9,789 reviews

Delta

8.0

Very good

7,891 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

1,319 reviews

Delta

8.0

Very good

7,891 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

1,266 reviews

Delta

8.0

Very good

7,891 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

7.5

Good

769 reviews

Delta

8.0

Very good

7,891 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 Aer Lingus. According to our data, you can fly for as low as $443. Users have also found prices from $451 and $464 on KLM and Air Canada, 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 - London Gatwick.
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 $965). 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$906	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$530	Average$992	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$540	Average$1,035	FlexibilityNo cancel fee	On-time75%
Iberia	Cheapest$566	Average$930	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$576	Average$1,031	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$585	Average$982	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$591	Average$1,091	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$594	Average$979	FlexibilityNo cancel fee	On-time69%
Austrian Airlines	Cheapest$611	Average$1,283	FlexibilityNo cancel fee	On-time78%
Air France	Cheapest$633	Average$926	FlexibilityNo cancel fee	On-time77%

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$172+ 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 4/8. 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 March 26, 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 March 26, 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 March 26, 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 March 26, 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

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Europe

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying 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 March 26, 2025.