Europe

$225+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPH
Jul 12 — Jul 191
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Cheap 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 June 12, 2026.

This KAYAK deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:15 pm
STL
-
DUB
1 stop31h 55m
Aer Lingus
Wed 11/41:00 pm
DUB
-
STL
1 stop32h 30m
Aer Lingus
Deal found 6/11$350
This KAYAK deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Wed 8/191:20 pm
DUB
-
STL
1 stop30h 42m
Aer Lingus
Deal found 6/10$354
This Ovago deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Tue 8/251:20 pm
DUB
-
STL
1 stop30h 42m
Aer Lingus
Deal found 6/10$355
This KAYAK deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:15 pm
STL
-
DUB
1 stop30h 55m
Aer Lingus
Wed 11/181:00 pm
DUB
-
STL
1 stop32h 30m
Aer Lingus
Deal found 6/8$363
This KAYAK deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:15 pm
STL
-
DUB
1 stop30h 55m
Aer Lingus
Tue 11/101:00 pm
DUB
-
STL
1 stop32h 30m
Aer Lingus
Deal found 6/10$370
This Ovago deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Fri 9/111:20 pm
DUB
-
STL
1 stop12h 40m
Aer Lingus
Deal found 6/9$375
This KAYAK deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Thu 9/101:20 pm
DUB
-
STL
1 stop12h 40m
Aer Lingus
Deal found 6/8$382
This KAYAK deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Tue 9/151:20 pm
DUB
-
STL
1 stop30h 40m
Aer Lingus
Deal found 6/9$383
This KAYAK deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Fri 8/211:20 pm
DUB
-
STL
1 stop13h 02m
Aer Lingus
Deal found 6/10$404
This Ovago deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:55 am
STL
-
DUB
1 stop14h 15m
Aer Lingus
Sun 8/231:20 pm
DUB
-
STL
1 stop13h 02m
Aer Lingus
Deal found 6/8$405
This KAYAK deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/264:15 pm
STL
-
DUB
1 stop30h 55m
Aer Lingus
Thu 12/31:00 pm
DUB
-
STL
1 stop32h 30m
Aer Lingus
Deal found 6/11$410
This Condor deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
STL
-
FRA
1 stop15h 45m
Multiple Airlines
Tue 9/1512:30 pm
FRA
-
STL
1 stop14h 10m
Multiple Airlines
Deal found 6/10$695

Find 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 June 12, 2026.

Round-trip from

$350
(KAYAK)

One-way from

$225
(KAYAK)

Popular in

June

Cheapest in

December

Average price

$1,352

Good round-trip deal

$1,077 or less

Good one-way deal

$324 or less
From Lambert-St Louis to Europe
One-way flight from Lambert-St Louis to Europe
Highest demand for flights based on searches. 25% potential increase in price ($311 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Lambert-St Louis to Europe.
Price to beat on a one-way flight from Lambert-St Louis to Europe.

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Europe that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2026.
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

Cheapest round-trip

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 11/9

1:27 pm-9:55 am

2 stops14h 28m

Dublin

Wed 11/18

5:10 am-1:45 pm

1 stop14h 35m

$696

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 11/9

10:23 am-7:30 am

2 stops15h 07m

Dublin

Wed 11/18

9:00 am-3:30 pm

1 stop12h 30m

$697

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 10/26

8:05 pm-5:05 pm

2 stops16h 00m

Dublin

Wed 11/4

10:20 am-10:29 pm

2 stops18h 09m

$705

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 11/9

2:50 pm-12:35 pm

2 stops15h 45m

Dublin

Wed 11/18

10:20 am-10:29 pm

2 stops18h 09m

$706

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 10/25

5:18 pm-8:10 am

1 stop9h 52m

Dublin

Fri 11/6

1:35 pm-10:54 pm

2 stops15h 19m

$710

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 9/2

9:30 am-7:45 am

2 stops16h 15m

Dublin

Tue 9/8

9:20 am-11:16 am

2 stops31h 56m

$739

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 9/2

7:00 am-7:30 am

1 stop18h 30m

Dublin

Wed 9/9

9:20 am-11:40 pm

2 stops44h 20m

$741

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 9/8

4:53 pm-11:10 am

1 stop12h 17m

Dublin

Tue 9/15

9:20 am-6:41 pm

1 stop15h 21m

$749

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 8/12

9:35 pm-6:00 pm

1 stop14h 25m

Dublin

Wed 8/26

10:30 am-7:30 pm

1 stop15h 00m

$753

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 11/1

6:45 am-8:45 am

2 stops20h 00m

Dublin

Sun 11/8

5:45 am-11:18 pm

2 stops23h 33m

$757

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from St. Louis to Europe (average of $288). Flying from St. Louis to Europe in July is currently the most expensive (average of $1,205). 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?

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 June 12, 2026.

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.

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

To ensure you get the cheapest price possible for a flight from St. Louis to Europe, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 June 12, 2026.
Read through reviews of airlines operating flights from St. Louis to Europe, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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?

    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.

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

    Departing from St. Louis to Europe will take you 15h 07m. Airlines will cover a distance of 3909 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for KLM. According to our data, you can fly for as low as $66. Users have also found prices from $190 and $222 on Aer Lingus and British Airways, respectively.

  • 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?

    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, January is the cheapest month in which you can book a flight from St. Louis to Europe (average of $288). Flying from St. Louis to Europe in July is currently the most expensive (average of $1,205). 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

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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

Discover the top 10 airlines that operate flights from St. Louis to Europe. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$355Average$836FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$470Average$832FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$482Average$998FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$505Average$950FlexibilityNo cancel feeOn-time71%
KLMCheapest$507Average$952FlexibilityNo cancel feeOn-time75%
IberiaCheapest$523Average$809FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$538Average$861FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$543Average$990FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$555Average$935FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$561Average$926FlexibilityNo cancel feeOn-time77%

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