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

For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as $365. Users have also found prices from $393 and $404 on WestJet and British Airways, respectively.

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.

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).

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 - Frankfurt am Main, Lambert-St Louis - London Heathrow and Lambert-St Louis - Paris Charles de Gaulle.

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 16 days in advance, which can save you up to 54% on flights from St. Louis to Europe compared to booking the week you need them. Waiting 16 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 $892. 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 $1,094. You can even find prices in February for less than $1,094, as users have found deals to Europe from as low as $735. 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 21%.

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.

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.

$588+ Flights from St. Louis to Europe

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

Currently, December is the cheapest month in which you can book a flight from St. Louis to Europe (average of $525). Flying from St. Louis to Europe in June is currently the most expensive (average of $1,129). 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.

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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”

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

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 December 4, 2024.

Mon 12/305:17 pmSTL - FCO

1 stop34h 13mDelta

Wed 1/1512:45 pmFCO - STL

1 stop17h 52mDelta

Deal found 12/3

$596

Mon 12/305:00 amSTL - FCO

2 stops22h 00mAir Canada

Wed 1/1512:15 pmFCO - STL

2 stops31h 01mAir Canada

Deal found 12/3

$609

Mon 12/307:15 amSTL - FCO

1 stop20h 15mKLM

Wed 1/1512:45 pmFCO - STL

2 stops17h 52mKLM

Deal found 12/3

$610

Mon 12/303:50 pmSTL - BCN

2 stops35h 00mAir Canada

Wed 1/156:50 amBCN - STL

2 stops39h 16mAir Canada

Deal found 12/3

$618

Tue 12/313:50 pmSTL - CDG

1 stop11h 35mAir Canada

Thu 1/162:00 pmCDG - STL

2 stops32h 06mAir Canada

Deal found 12/3

$635

Tue 12/3110:13 amSTL - CDG

1 stop14h 57mKLM

Thu 1/168:55 amCDG - STL

1 stop16h 50mKLM

Deal found 12/4

$636

Mon 12/305:15 amSTL - BCN

1 stop20h 25mAmerican Airlines

Wed 1/151:30 pmBCN - STL

1 stop30h 20mAmerican Airlines

Deal found 12/3

$637

Mon 12/3011:30 amSTL - CDG

1 stop15h 25mUnited Airlines

Wed 1/1511:40 amCDG - STL

1 stop14h 29mUnited Airlines

Deal found 12/3

$638

Tue 12/316:00 amSTL - CDG

1 stop17h 10mDelta

Tue 1/1412:40 pmCDG - STL

2 stops16h 09mDelta

Deal found 12/4

$640

Tue 12/311:45 pmSTL - CDG

1 stop12h 20mMultiple Airlines

Sun 1/1210:50 amCDG - STL

2 stops18h 19mMultiple Airlines

Deal found 12/3

$758

Tue 12/311:45 pmSTL - CDG

1 stop12h 20mFinnair

Sat 1/1811:05 amCDG - STL

1 stop14h 18mFinnair

Deal found 12/3

$798

Sun 12/297:07 pmSTL - LHR

2 stops53h 43mAir France

Mon 1/207:35 pmLHR - STL

2 stops29h 10mAir France

Deal found 12/3

$802

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 December 4, 2024.

Mon 1/2011:28 amSTL - DUB

1 stop13h 32mUnited Airlines

Wed 2/59:00 amDUB - STL

1 stop12h 06mUnited Airlines

Deal found 12/3

$496

Tue 1/143:10 pmSTL - DUB

2 stops14h 05mAmerican Airlines

Tue 1/212:05 pmDUB - STL

2 stops14h 04mAmerican Airlines

Deal found 12/3

$519

Sun 1/263:50 pmSTL - BCN

2 stops35h 00mAir Canada

Tue 2/1112:15 pmBCN - STL

2 stops31h 01mAir Canada

Deal found 12/3

$546

Fri 1/1712:15 pmSTL - MAD

3 stops21h 55mMultiple Airlines

Fri 1/247:40 amMAD - STL

3 stops34h 50mMultiple Airlines

Deal found 12/3

$549

Thu 1/162:00 pmSTL - DUB

1 stop12h 40mIberia

Thu 1/232:05 pmDUB - STL

1 stop12h 36mIberia

Deal found 12/3

$568

Tue 2/186:00 pmSTL - MAD

2 stops15h 50mBritish Airways

Fri 2/281:15 pmMAD - STL

1 stop14h 27mBritish Airways

Deal found 12/3

$576

Wed 1/15:30 pmSTL - MAD

2 stops17h 10mLufthansa

Wed 1/1512:05 pmMAD - STL

2 stops18h 25mLufthansa

Deal found 12/2

$593

Mon 12/305:17 pmSTL - FCO

1 stop34h 13mDelta

Wed 1/1512:45 pmFCO - STL

1 stop17h 52mDelta

Deal found 12/3

$596

Mon 12/307:15 amSTL - FCO

1 stop20h 15mKLM

Wed 1/1512:45 pmFCO - STL

2 stops17h 52mKLM

Deal found 12/3

$610

Wed 3/510:59 amSTL - FCO

2 stops19h 46mScandinavian Airlines

Wed 4/211:55 amFCO - STL

2 stops42h 43mScandinavian Airlines

Deal found 12/4

$634

Tue 1/141:40 pmSTL - FCO

2 stops21h 10mFinnair

Mon 1/206:40 pmFCO - STL

2 stops31h 50mFinnair

Deal found 12/3

$635

Sat 1/184:40 pmSTL - CDG

1 stop30h 30mVirgin Atlantic

Sat 1/259:00 pmCDG - STL

2 stops33h 14mVirgin Atlantic

Deal found 12/3

$677

Last-minute flights from St. Louis to Europe
Discover last-minute flight deals from St. Louis to Europe. Data last updated December 4, 2024 and is based on user searches.

Mon 12/91:08 pmSTL - FRA

2 stops19h 17mScandinavian Airlines

Fri 12/208:30 pmFRA - STL

2 stops34h 10mScandinavian Airlines

Deal found 12/3

$911

Mon 12/91:08 pmSTL - FRA

2 stops19h 17mMultiple Airlines

Sat 12/217:50 amFRA - STL

2 stops21h 09mMultiple Airlines

Deal found 12/2

$1,279

Tue 12/1010:28 amSTL - DUB

1 stop15h 57mKLM

Thu 12/195:55 amDUB - STL

2 stops16h 17mKLM

Deal found 12/3

$1,002

Tue 12/106:00 amSTL - MAD

2 stops25h 35mAer Lingus

Mon 12/168:40 amMAD - STL

2 stops20h 25mAer Lingus

Deal found 12/3

$1,004

Tue 12/106:00 amSTL - FRA

2 stops21h 05mAer Lingus

Tue 12/1710:50 amFRA - STL

2 stops18h 15mAer Lingus

Deal found 12/3

$1,163

Wed 12/111:00 pmSTL - LHR

3 stops35h 30mMultiple Airlines

Wed 12/186:00 amLHR - STL

3 stops35h 30mMultiple Airlines

Deal found 12/3

$951

Wed 12/115:45 amSTL - BCN

2 stops46h 05mAer Lingus

Fri 1/1011:30 amBCN - STL

2 stops17h 39mAer Lingus

Deal found 12/3

$1,099

Wed 12/115:02 pmSTL - LGW

1 stop34h 58mMultiple Airlines

Wed 12/182:00 pmLGW - STL

1 stop15h 40mMultiple Airlines

Deal found 12/3

$1,240

Thu 12/1210:15 amSTL - CDG

2 stops16h 10mAer Lingus

Tue 12/171:15 pmCDG - STL

2 stops15h 50mAer Lingus

Deal found 12/3

$1,177

Thu 12/121:05 pmSTL - CDG

1 stop13h 50mMultiple Airlines

Thu 12/192:00 pmCDG - STL

2 stops32h 06mMultiple Airlines

Deal found 12/2

$1,208

Thu 12/121:36 pmSTL - CDG

2 stops18h 09mBritish Airways

Thu 12/194:20 pmCDG - STL

2 stops32h 59mBritish Airways

Deal found 12/2

$1,215

Thu 12/126:00 amSTL - CDG

1 stop19h 20mAmerican Airlines

Tue 12/1711:05 amCDG - STL

1 stop15h 24mAmerican Airlines

Deal found 12/3

$1,277

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 December 4, 2024.

Mon 1/1312:15 pmSTL - CDG

3 stops16h 45mMultiple Airlines

Deal found 12/2

$300

Wed 1/156:46 pmSTL - MAD

3 stops45h 09mMultiple Airlines

Deal found 12/2

$308

Wed 1/1512:15 pmSTL - LHR

3 stops16h 35mMultiple Airlines

Deal found 12/3

$316

Sat 2/17:09 pmSTL - BCN

2 stops35h 01mMultiple Airlines

Deal found 12/3

$316

Wed 1/1512:15 pmSTL - LGW

3 stops16h 40mMultiple Airlines

Deal found 12/3

$319

Tue 1/1412:15 pmSTL - DUB

3 stops16h 00mMultiple Airlines

Deal found 12/3

$353

Wed 1/152:00 pmSTL - LHR

2 stops21h 40mScandinavian Airlines

Deal found 12/3

$365

Wed 4/91:00 pmSTL - FRA

2 stops18h 40mScandinavian Airlines

Deal found 12/3

$384

Tue 1/2111:04 amSTL - CDG

2 stops42h 26mWestJet

Deal found 12/3

$393

Mon 1/132:00 pmSTL - CDG

2 stops22h 20mScandinavian Airlines

Deal found 12/2

$397

Wed 3/510:59 amSTL - FCO

2 stops19h 46mScandinavian Airlines

Deal found 12/3

$402

Tue 1/1412:00 pmSTL - DUB

2 stops15h 40mBritish Airways

Deal found 12/3

$404

Find flights from St. Louis to Europe within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 1/20

11:28 am-7:00 am

1 stop13h 32m

Dublin

Wed 2/5

9:00 am-3:06 pm

1 stop12h 06m

$496

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 3/5

7:05 am-7:00 am

1 stop17h 55m

Dublin

Wed 3/12

8:00 am-3:06 pm

1 stop12h 06m

$503

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 4/1

1:27 pm-8:15 am

2 stops12h 48m

Dublin

Tue 4/8

9:50 am-3:06 pm

1 stop11h 16m

$509

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 3/5

12:52 pm-9:45 am

1 stop14h 53m

Dublin

Tue 3/11

12:00 pm-11:38 pm

1 stop16h 38m

$518

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 1/14

3:10 pm-11:15 am

2 stops14h 05m

Dublin

Tue 1/21

2:05 pm-10:09 pm

2 stops14h 04m

$519

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 3/5

12:52 pm-9:45 am

1 stop14h 53m

Dublin

Tue 3/11

10:45 am-9:40 pm

2 stops15h 55m

$522

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 3/25

2:13 pm-9:40 am

2 stops14h 27m

Dublin

Mon 3/31

8:30 pm-4:08 pm

2 stops25h 38m

$536

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 1/26

3:50 pm-9:50 am

2 stops35h 00m

Barcelona-El Prat

Tue 2/11

12:15 pm-12:16 pm

2 stops31h 01m

$546

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Fri 1/17

12:15 pm-5:10 pm

3 stops21h 55m

Madrid Barajas

Fri 1/24

7:40 am-11:30 am

3 stops34h 50m

$549

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Tue 2/18

6:30 am-9:35 am

2 stops20h 05m

Madrid Barajas

Fri 2/28

12:15 pm-5:06 pm

2 stops35h 51m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 60 results

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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, December is the cheapest month in which you can book a flight from St. Louis to Europe (average of $525). Flying from St. Louis to Europe in June is currently the most expensive (average of $1,129). 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.

$300+ 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 1/13. 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

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 December 4, 2024.

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 December 4, 2024.

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?

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 December 4, 2024.