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

For one-way options, check prices for Virgin Atlantic. According to our data, you can fly for as low as $451. Users have also found prices from $462 and $463 on Scandinavian Airlines and Iberia, 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 - Dublin and Lambert-St Louis - Frankfurt am Main.

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 56 days in advance, which can save you up to 73% on flights from St. Louis to Europe compared to booking the week you need them. Waiting 56 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 $1,137. You can even find prices in February for less than $1,137, as users have found deals to Europe from as low as $718. 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.

$631+ 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 $989). 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.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Europe

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$622 (Finnair)
One-way from	$258 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$928
Good round-trip deal	$1,019 or less
Good one-way deal	$700 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. 13% potential increase in price ($184 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 February 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 February 20, 2025.

Wed 3/2611:39 amSTL - FRA

1 stop13h 36mFinnair

Tue 4/110:55 amFRA - STL

1 stop15h 35mFinnair

Deal found 2/19

$622

Thu 3/203:25 pmSTL - DUB

2 stops33h 45mUnited Airlines

Wed 4/29:50 amDUB - STL

1 stop10h 59mUnited Airlines

Deal found 2/19

$627

Wed 3/266:29 pmSTL - FRA

2 stops16h 11mAmerican Airlines

Tue 4/110:55 amFRA - STL

1 stop18h 49mAmerican Airlines

Deal found 2/19

$635

Sun 3/91:51 pmSTL - DUB

2 stops13h 49mAmerican Airlines

Thu 3/206:40 amDUB - STL

2 stops16h 12mAmerican Airlines

Deal found 2/19

$639

Mon 3/107:10 amSTL - FCO

1 stop20h 15mKLM

Wed 3/199:20 amFCO - STL

1 stop16h 58mKLM

Deal found 2/19

$640

Wed 3/1910:19 amSTL - DUB

2 stops16h 46mDelta

Wed 3/268:50 amDUB - STL

2 stops17h 50mDelta

Deal found 2/19

$640

Wed 3/196:00 amSTL - ZRH

2 stops22h 30mDelta

Wed 3/261:30 pmZRH - STL

2 stops28h 30mDelta

Deal found 2/18

$642

Tue 3/117:10 amSTL - FCO

2 stops16h 55mDelta

Wed 3/268:20 amFCO - STL

2 stops21h 11mDelta

Deal found 2/19

$645

Wed 3/126:29 pmSTL - FRA

2 stops16h 11mBritish Airways

Fri 3/287:05 amFRA - STL

2 stops18h 25mBritish Airways

Deal found 2/18

$658

Thu 3/2011:39 amSTL - CDG

2 stops29h 16mBritish Airways

Wed 3/267:15 amCDG - STL

2 stops21h 03mBritish Airways

Deal found 2/19

$665

Fri 3/77:30 amSTL - DUB

2 stops20h 35mMultiple Airlines

Wed 3/128:00 amDUB - STL

1 stop12h 06mMultiple Airlines

Deal found 2/19

$667

Wed 3/510:22 amSTL - CDG

1 stop14h 33mDelta

Mon 3/1010:15 amCDG - STL

2 stops18h 48mDelta

Deal found 2/19

$668

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 February 20, 2025.

Wed 3/2611:39 amSTL - FRA

1 stop13h 36mFinnair

Tue 4/110:55 amFRA - STL

1 stop15h 35mFinnair

Deal found 2/19

$622

Thu 3/203:25 pmSTL - DUB

2 stops33h 45mUnited Airlines

Wed 4/29:50 amDUB - STL

1 stop10h 59mUnited Airlines

Deal found 2/19

$627

Wed 3/266:29 pmSTL - FRA

2 stops16h 11mAmerican Airlines

Tue 4/110:55 amFRA - STL

1 stop18h 49mAmerican Airlines

Deal found 2/19

$635

Mon 3/107:10 amSTL - FCO

1 stop20h 15mKLM

Wed 3/199:20 amFCO - STL

1 stop16h 58mKLM

Deal found 2/19

$640

Wed 3/1910:19 amSTL - DUB

2 stops16h 46mDelta

Wed 3/268:50 amDUB - STL

2 stops17h 50mDelta

Deal found 2/19

$640

Wed 3/126:29 pmSTL - FRA

2 stops16h 11mBritish Airways

Fri 3/287:05 amFRA - STL

2 stops18h 25mBritish Airways

Deal found 2/18

$658

Fri 3/77:30 amSTL - DUB

2 stops20h 35mMultiple Airlines

Wed 3/128:00 amDUB - STL

1 stop12h 06mMultiple Airlines

Deal found 2/19

$667

Mon 3/175:37 pmSTL - CDG

1 stop11h 18mAir France

Mon 3/249:00 pmCDG - STL

2 stops25h 52mAir France

Deal found 2/18

$671

Mon 3/241:48 pmSTL - CDG

2 stops13h 42mVirgin Atlantic

Mon 3/3111:45 amCDG - STL

2 stops18h 46mVirgin Atlantic

Deal found 2/18

$677

Sun 3/233:50 pmSTL - CDG

2 stops33h 30mAir Canada

Tue 4/82:10 pmCDG - STL

2 stops29h 10mAir Canada

Deal found 2/19

$687

Wed 3/512:52 pmSTL - LHR

2 stops22h 48mScandinavian Airlines

Mon 3/106:40 amLHR - STL

2 stops21h 51mScandinavian Airlines

Deal found 2/19

$690

Tue 4/12:05 pmSTL - DUB

1 stop10h 25mIberia

Tue 4/1512:40 pmDUB - STL

1 stop15h 48mIberia

Deal found 2/20

$712

Last-minute flights from St. Louis to Europe
Discover last-minute flight deals from St. Louis to Europe. Data last updated February 20, 2025 and is based on user searches.

Tue 2/255:36 pmSTL - FCO

2 stops17h 49mTurkish Airlines

Mon 3/37:20 pmFCO - STL

2 stops26h 16mTurkish Airlines

Deal found 2/19

$1,001

Tue 2/256:30 amSTL - DUB

2 stops18h 40mAir Canada

Sat 3/89:00 amDUB - STL

2 stops32h 12mAir Canada

Deal found 2/19

$1,026

Wed 2/2612:00 pmSTL - DUB

1 stop16h 20mAer Lingus

Sun 3/911:30 amDUB - STL

1 stop11h 29mAer Lingus

Deal found 2/19

$799

Wed 2/2612:00 pmSTL - FRA

2 stops24h 10mAer Lingus

Wed 3/510:50 amFRA - STL

2 stops18h 12mAer Lingus

Deal found 2/19

$806

Wed 2/2612:52 pmSTL - ZRH

2 stops23h 53mScandinavian Airlines

Wed 3/510:25 amZRH - STL

2 stops20h 11mScandinavian Airlines

Deal found 2/19

$916

Wed 2/261:00 pmSTL - DUB

1 stop15h 05mUnited Airlines

Sun 3/98:00 amDUB - STL

2 stops40h 25mUnited Airlines

Deal found 2/19

$970

Wed 2/2610:59 amSTL - FRA

2 stops21h 26mScandinavian Airlines

Wed 3/126:55 amFRA - STL

3 stops22h 36mScandinavian Airlines

Deal found 2/19

$1,006

Thu 2/2711:57 amSTL - LHR

2 stops20h 28mAer Lingus

Thu 3/68:50 amLHR - STL

2 stops18h 01mAer Lingus

Deal found 2/20

$898

Thu 2/271:00 pmSTL - ZRH

3 stops23h 45mMultiple Airlines

Mon 3/310:25 amZRH - STL

3 stops32h 20mMultiple Airlines

Deal found 2/19

$944

Fri 2/285:20 pmSTL - LGW

1 stop34h 40mMultiple Airlines

Mon 3/32:00 pmLGW - STL

1 stop15h 43mMultiple Airlines

Deal found 2/19

$829

Sat 3/18:52 pmSTL - FRA

1 stop32h 28mMultiple Airlines

Sat 3/88:05 amFRA - STL

2 stops22h 44mMultiple Airlines

Deal found 2/19

$967

Sun 3/25:15 pmSTL - LHR

3 stops33h 50mMultiple Airlines

Sun 3/99:50 amLHR - STL

3 stops35h 55mMultiple Airlines

Deal found 2/18

$906

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 February 20, 2025.

Wed 2/266:43 pmSTL - LGW

1 stop33h 52mMultiple Airlines

Deal found 2/19

$258

Mon 3/106:55 pmSTL - FRA

3 stops58h 50mMultiple Airlines

Deal found 2/18

$327

Sun 3/235:24 pmSTL - FCO

2 stops49h 06mMultiple Airlines

Deal found 2/19

$353

Thu 3/208:58 amSTL - CDG

2 stops26h 27mMultiple Airlines

Deal found 2/18

$369

Fri 4/46:51 pmSTL - LHR

2 stops35h 04mMultiple Airlines

Deal found 2/19

$403

Mon 3/245:24 pmSTL - ORY

3 stops47h 06mMultiple Airlines

Deal found 2/18

$404

Thu 3/208:58 amSTL - ZRH

2 stops28h 17mMultiple Airlines

Deal found 2/20

$417

Mon 3/2410:19 amSTL - CDG

2 stops15h 51mVirgin Atlantic

Deal found 2/18

$451

Wed 2/2610:59 amSTL - LHR

2 stops23h 01mScandinavian Airlines

Deal found 2/19

$462

Tue 3/252:54 pmSTL - ORY

2 stops23h 16mIberia

Deal found 2/19

$463

Mon 3/106:10 amSTL - LHR

3 stops25h 40mWestJet

Deal found 2/19

$474

Wed 3/121:00 pmSTL - LHR

2 stops16h 15mUnited Airlines

Deal found 2/20

$483

Find flights from St. Louis to Europe within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 3/26

11:39 am-7:15 am

1 stop13h 36m

Frankfurt am Main

Tue 4/1

10:55 am-7:30 pm

1 stop15h 35m

$622

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Thu 3/20

3:25 pm-6:10 am

2 stops33h 45m

Dublin

Wed 4/2

9:50 am-2:49 pm

1 stop10h 59m

$627

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 3/26

6:29 pm-4:40 pm

2 stops16h 11m

Frankfurt am Main

Tue 4/1

10:55 am-10:44 pm

1 stop18h 49m

$635

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 3/9

1:51 pm-8:40 am

2 stops13h 49m

Dublin

Thu 3/20

6:40 am-5:52 pm

2 stops16h 12m

$639

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Mon 3/10

7:10 am-9:25 am

1 stop20h 15m

Rome Fiumicino

Wed 3/19

9:20 am-8:18 pm

1 stop16h 58m

$640

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 3/19

10:19 am-8:05 am

2 stops16h 46m

Dublin

Wed 3/26

8:50 am-9:40 pm

2 stops17h 50m

$640

St. LouisZurich

STL - ZRH

STLZRH

Lambert-St Louis

Wed 3/19

6:00 am-10:30 am

2 stops22h 30m

Zurich

Wed 3/26

1:30 pm-12:00 pm

2 stops28h 30m

$642

St. LouisRome

STL - FCO

STLFCO

Lambert-St Louis

Tue 3/11

7:10 am-6:05 am

2 stops16h 55m

Rome Fiumicino

Wed 3/26

8:20 am-11:31 pm

2 stops21h 11m

$645

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 3/12

6:29 pm-4:40 pm

2 stops16h 11m

Frankfurt am Main

Fri 3/28

7:05 am-7:30 pm

2 stops18h 25m

$658

St. LouisParis

STL - CDG

STLCDG

Lambert-St Louis

Thu 3/20

11:39 am-10:55 pm

2 stops29h 16m

Paris Charles de Gaulle

Wed 3/26

7:15 am-10:18 pm

2 stops21h 03m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

Travel insights for flights from St. Louis to Europe

Get recent, data-driven insights about flights from St. Louis to Europe including ideal travel times, pricing trends, and more.

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 $989). 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

8,220 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

8,220 reviews

Delta

8.0

Very good

8,220 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

9,692 reviews

Delta

8.0

Very good

8,220 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

1,333 reviews

Delta

8.0

Very good

8,220 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

1,273 reviews

Delta

8.0

Very good

8,220 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.

Virgin Atlantic

7.5

Good

654 reviews

Delta

8.0

Very good

8,220 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 Virgin Atlantic. According to our data, you can fly for as low as $451. Users have also found prices from $462 and $463 on Scandinavian Airlines and Iberia, 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 - Dublin and Lambert-St Louis - Frankfurt am Main.
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 $989). 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$488	Average$880	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$490	Average$1,035	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$530	Average$995	FlexibilityNo cancel fee	On-time76%
Iberia	Cheapest$553	Average$912	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$556	Average$974	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$564	Average$1,009	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$594	Average$972	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$597	Average$1,090	FlexibilityNo cancel fee	On-time67%
Austrian Airlines	Cheapest$611	Average$1,280	FlexibilityNo cancel fee	On-time78%
Air France	Cheapest$642	Average$1,010	FlexibilityNo cancel fee	On-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$258+ 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 2/26. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 February 20, 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 February 20, 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 February 20, 2025.

Find flights from St. Louis to Europe within your budget

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.

Travel insights for flights from St. Louis to Europe

Get recent, data-driven insights about flights from St. Louis to Europe including ideal travel times, pricing trends, and more.

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 February 20, 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

100% Free

Book with Flexibility

Travel Smart

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 February 20, 2025.