$148 Find Cheap Flights from St. Louis to Europe - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Europe departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Europe

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
London
London2 stops$964
Paris
Paris1 stop$766
Rome
Rome2 stops$562
Madrid
Madrid1 stop$692
Athens
Athens2 stops$761
Istanbul
Istanbul2 stops$792
Lisbon
Lisbon1 stop$717
Dublin
Dublin1 stop$338
Amsterdam
Amsterdam2 stops$768
Milan
Milan2 stops$705
Zurich
Zurich2 stops$722
Copenhagen
Copenhagen2 stops$789
Munich
Munich1 stop$775
Edinburgh
Edinburgh2 stops$876
Prague
Prague2 stops$806
Berlin
Berlin2 stops$775
London
London2 stops$964
Paris
Paris1 stop$766
Rome
Rome2 stops$562
Madrid
Madrid1 stop$692
Athens
Athens2 stops$761
Istanbul
Istanbul2 stops$792
Lisbon
Lisbon1 stop$717
Dublin
Dublin1 stop$338
Amsterdam
Amsterdam2 stops$768
Milan
Milan2 stops$705
Zurich
Zurich2 stops$722
Copenhagen
Copenhagen2 stops$789
Munich
Munich1 stop$775
Edinburgh
Edinburgh2 stops$876
Prague
Prague2 stops$806
Berlin
Berlin2 stops$775

Book Cheap St. Louis to Europe Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Europe that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Europe

Sat, Jan 9 - Tue, Jan 19
Aer Lingus Logo
4:05 pm - 5:10 am
STL
-
DUB
31h 05m
1 stop
Aer Lingus Logo
1:00 pm - 3:26 pm
DUB
-
STL
32h 26m
1 stop
$338Aer Lingus
Mon, Sep 7 - Wed, Sep 16
Aer Lingus Logo
8:55 am - 5:10 am
STL
-
DUB
14h 15m
1 stop
Aer Lingus Logo
1:20 pm - 2:00 pm
DUB
-
STL
30h 40m
1 stop
$342Aer Lingus
Mon, Aug 31 - Sat, Sep 12
Lufthansa Logo
1:00 pm - 7:55 am
STL
-
FRA
11h 55m
1 stop
Lufthansa Logo
1:20 pm - 11:38 pm
FRA
-
STL
17h 18m
1 stop
$508Lufthansa
Mon, Aug 31 - Sat, Sep 12
Lufthansa Logo
3:30 pm - 7:25 am
STL
-
FRA
8h 55mnonstop
Lufthansa Logo
1:20 pm - 11:38 pm
FRA
-
STL
17h 18m
1 stop
$513Lufthansa
Tue, Dec 8 - Tue, Dec 15
United Airlines Logo
1:08 pm - 8:10 am
STL
-
DUB
13h 02m
1 stop
United Airlines Logo
9:00 am - 12:06 pm
DUB
-
STL
33h 06m
2 stops
$679United Airlines
Fri, Oct 30 - Wed, Nov 18
Multiple Airlines Logo
6:50 pm - 7:10 am
STL
-
DUB
55h 20m
2 stops
Multiple Airlines Logo
5:10 am - 1:45 pm
DUB
-
STL
14h 35m
1 stop
$683Multiple Airlines
Fri, Oct 30 - Wed, Nov 11
Multiple Airlines Logo
6:50 pm - 7:10 am
STL
-
DUB
55h 20m
2 stops
Multiple Airlines Logo
5:10 am - 1:45 pm
DUB
-
STL
14h 35m
1 stop
$683Multiple Airlines
Sun, Nov 1 - Thu, Nov 12
Air Canada Logo
8:30 am - 7:10 am
STL
-
DUB
16h 40m
2 stops
Air Canada Logo
9:00 am - 3:43 pm
DUB
-
STL
36h 43m
2 stops
$687Air Canada
Sat, Oct 31 - Thu, Nov 19
Air Canada Logo
5:34 pm - 7:10 am
STL
-
DUB
32h 36m
2 stops
Air Canada Logo
9:00 am - 12:10 pm
DUB
-
STL
33h 10m
2 stops
$687Air Canada
Tue, Dec 8 - Tue, Dec 15
United Airlines Logo
11:45 am - 9:55 am
STL
-
DUB
16h 10m
1 stop
United Airlines Logo
9:00 am - 3:26 pm
DUB
-
STL
12h 26m
1 stop
$692United Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Europe flights

Get data-powered insights and trends into flights from St. Louis to Europe to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest St. Louis to Europe flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Europe from St. Louis found in the last 5 days was to London, at $727 round-trip. The most popular route is from St. Louis (STL) to Frankfurt am Main Airport (FRA), and the cheapest round-trip airline ticket found on this route in the last 5 days was $788.

What is the cheapest time of day to fly to Europe?

The average price for all round-trip flights from St. Louis to Europe depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Europe is generally at night, when round-trip flights cost $1,056 on average. The most expensive time of day to fly to Europe is generally at night, which is peak travel time and where the average cost of a ticket is $1,056.

Can I save money by flying with a layover from St. Louis to Europe?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 3 stops layover the cheapest option at $1,001 on average.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Europe, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Europe is February, when tickets cost $693 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $1,309 and $1,149 respectively.

What’s the cheapest day of the week to fly from St. Louis to Europe?

The average price of all round-trip flights from St. Louis to Europe clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from St. Louis to Europe, look for departures on Thursdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Europe, Tuesday is the cheapest day to fly and Friday is the most expensive.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Europe, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Europe, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Good to know

Low season

February

Cheapest flight

$148
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 15% increase in price.
Flight from St. Louis to Rome Fiumicino Airport

FAQs - booking Europe flights

  • What is the luggage policy for airlines flying from STL Airport?

    American Airlines flights from St. Louis to Europe allow one personal item and a carry-on bag. Your item must fit under the seat in front of you. Personal items and carry-ons should not exceed 18 x 14 x 8 inches and 22 x 14 x 9 inches, respectively. The carry-on bag and personal items should also not exceed 50 lbs.

  • What special services are available for mothers traveling with infants at St. Louis Lambert International Airport?

    STL Airport provides special rooms known as Lactation Suites for mothers who need to breastfeed or pump milk. You can find these suites after going through security near gates E33, C9, and A10 in each concourse. These Lactation Suites have amenities like sinks, power outlets, and comfortable chairs. The Suites are designed to be accessible to other family members and friends as they have extra seats.

  • What accessibility services does STL offer travelers on flights from St. Louis to Europe with limited mobility?

    STL Airport has elevators between the lower and upper levels in the terminals and all parking garages. All terminals and parking garage elevators have Braille signage, raised numbers, and audible information. STL has an information and paging booth that operates from 7 a.m. to 11 p.m. at Terminal 1 between baggage claim and carousels, while at Terminal 2, it is on the lower level near Door 14.

  • When taking a flight from St. Louis to Europe, which is the best airport to fly into in Central Europe?

    Frankfurt am Main International Airport (FRA) is the best airport to fly into in Central Europe. Lufthansa Airlines provides several daily non-stop flights to Frankfurt from STL Airport. Furthermore, travelers can find connections to several other destinations in Europe from FRA Airport, with popular domestic destinations like Berlin (BER) and Munich (MUC) and international destinations like Paris (CDG), Venice (VCE), and Warsaw (WAW).

  • How does KAYAK find such low prices on flights from St. Louis to Europe?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Europe.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Europe?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to Europe is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Europe?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from St. Louis to Europe with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Europe?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from St. Louis to Europe up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many flights are there between St. Louis and Europe per day?

    Each day, there are between 1 and 2 nonstop flights that take off from St. Louis and land in Europe, with an average flight time of 8h 27m. The most common departure time is 9:00 pm and most flights take off in the afternoon, while the most flights land at Frankfurt am Main Airport. Each week, there are 9 flights. The most frequent day of departure is Tuesday, when 22% of all weekly flights depart. The fewest flights depart on a Monday.

Top tips for finding cheap flights to Europe

  • Looking for a cheap flight? 25% of our users found tickets from St. Louis to the following destinations at these prices or less: Frankfurt am Main $520 one-way - $1,006 round-trip
  • Passengers can get flights from St. Louis to Europe from Lambert St. Louis International Airport (STL), the primary commercial airport serving the metropolitan area. STL is a hub for American Airlines, offering flights to various destination airports across Europe, such as Heathrow Airport (LHR) in London, Istanbul Airport (IST) in Istanbul, and Madrid-Barajas Airport (MAD) in Madrid.
  • The best way to get to the airport from downtown St. Louis is by taking the Metrolink. The distance between downtown and the airport is around 13 miles. The train departs from Civic Center Station every 20 minutes for a 32-minute commute to STL Airport Terminal 1.
  • American Airlines allows minors between 5 and 14 to travel alone on flights from St. Louis to Europe using the unaccompanied minor program. The airline will provide an escort at airports and on board. The service is optional for minors between the ages of 15 and 17. If requested, an extra fee is charged.
  • St. Louis Lambert International Airport has three lounges where you can retreat while waiting for your flight from St. Louis to Europe. American Airlines Admirals Lounge is at Terminal 1 for certain American Airlines passengers; James S. McDonell USO Lounge at Terminal 1 for military members and their families; and Wingtips Lounge at Terminal 2, post-security.
  • American Airlines is a sustainable airline with flights from St. Louis to Europe. The airline achieves this by using sustainable aviation fuel on all its aircraft, which causes up to a 60% decrease in carbon footprint. It also encourages passengers to pack light for their flights.

Everything you need to know for your flight to Europe

Information on your arrival and departure airports