Cheap flights from St. Louis to Europe from $327
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Europe departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Mon 11/2
2:25 pm-7:45 am
1 stop11h 20m
Dublin
Wed 11/18
10:45 am-11:56 pm
2 stops19h 11m
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Wed 12/2
10:06 am-7:45 am
1 stop15h 39m
Dublin
Thu 12/10
9:55 am-9:38 pm
1 stop17h 43m
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Wed 11/18
2:31 pm-7:45 am
1 stop11h 14m
Dublin
Thu 11/26
9:55 am-10:53 pm
1 stop18h 58m
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Tue 12/1
2:17 pm-9:45 am
2 stops13h 28m
Dublin
Tue 12/8
10:45 am-9:38 pm
2 stops16h 53m
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Wed 2/17
3:40 pm-7:45 am
1 stop10h 05m
Dublin
Thu 2/25
9:55 am-6:01 pm
1 stop14h 06m
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Mon 2/15
7:04 pm-8:10 am
1 stop31h 06m
Dublin
Thu 2/18
9:00 am-3:57 pm
2 stops36h 57m
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Mon 2/15
5:00 am-8:10 am
1 stop21h 10m
Dublin
Thu 2/18
9:00 am-3:57 pm
2 stops36h 57m
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Wed 1/13
3:40 pm-4:30 pm
1 stop18h 50m
Dublin
Wed 1/20
5:10 am-1:45 pm
1 stop14h 35m
St. LouisSarajevo
STL Lambert-St Louis - SJJ Sarajevo Butmir
STLSJJ
Lambert-St Louis
Tue 3/9
4:05 pm-9:00 am
2 stops33h 55m
Sarajevo Butmir
Tue 3/23
2:35 pm-3:26 pm
2 stops54h 51m
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Tue 3/9
10:00 am-9:45 am
2 stops17h 45m
Dublin
Wed 3/17
5:45 am-12:36 am
2 stops23h 51m
How to get the cheapest flight ticket from St. Louis to Europe
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Europe?
The cheapest month to fly to Europe from St. Louis is in February. Flight prices, which tend to average around $701, are often lower during this time because this is during the off-season. If you aren’t able to travel to Europe during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $717.
What is the cheapest day to depart on your flight to Europe?
The cheapest day to depart from St. Louis to Europe is on a Thursday. Travelers who choose to depart for Europe on a Thursday will often find tickets for as low as $790. Flights from St. Louis to Europe on a Friday will generally be more expensive and average around $1,207. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest Lambert-St Louis to Europe flight route?
Fly from Lambert-St Louis to Frankfurt am Main for the best Lambert-St Louis - Europe flight prices
How far in advance should I book a flight from St. Louis to Europe?
You are more likely to see cheaper flights to Europe from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Europe for around $1,015 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Europe from St. Louis for as low as $896 on momondo.
What cabin class options are available on St. Louis to Europe flights?
There are 3 cabin classes available to choose from on St. Louis to Europe flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on St. Louis to Europe flights?
You could potentially save up to 42% on your flight if you consider stops on a St. Louis to Europe flight.
What is the cheapest airline that flies from Lambert-St Louis to Europe?
Iberia, British Airways, and United Airlines are the most popular carriers operating from Lambert-St Louis to Europe
What airlines fly to Europe?
British Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to Europe from St. Louis according to our data. British Airways is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Europe. Keep in mind that there are 11 different airlines that fly to Europe on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to Europe on average per day?
3 flights are operational daily from St. Louis to Europe as of October 2026. The most popular departure time for this route is 9:00PM, with 60% of flights per day taking off in the evening.
How many flights depart from St. Louis to Europe on average per week?
As of October 2026, there are 25 flights per week flying from St. Louis to Europe. The most common day of the week flights depart is Tue, with 28% of flights taking off on this day.
Cheap St. Louis to Europe flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Europe
Frequently asked questions about flying from St. Louis to Europe
When did momondo last update prices for flights from Lambert-St Louis Airport to Europe?
Prices for flights from Lambert-St Louis Airport to Europe are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Europe?
As of October 2026, there are 12 operators available to choose from for flights from Lambert-St Louis Airport to Europe.
How old do you have to be to fly from Lambert-St Louis Airport to Europe?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Europe.
What documentation or ID do you need to fly to Europe?
The necessary travel and health documents for your Europe trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from St. Louis to Europe
Compare and see reviews for airlines that fly from St. Louis to Europe with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $304 | Free Cancellation | Rating 7.5 694 reviews | |||
| PriceFrom $406 | Free Cancellation | Rating 7.8 8,643 reviews | |||
| PriceFrom $410 | Free Cancellation | Rating 6.7 8,255 reviews | |||
| PriceFrom $494 | Free Cancellation | Rating 6.8 8,270 reviews | |||
| PriceFrom $502 | Free Cancellation | Rating 7.0 12,145 reviews | |||
| PriceFrom $507 | Free Cancellation | Rating 7.8 1,580 reviews | |||
| PriceFrom $523 | Free Cancellation | Rating 7.0 3,253 reviews | |||
| PriceFrom $555 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $575 | Free Cancellation | Rating 7.5 1,650 reviews | |||
| PriceFrom $648 | Free Cancellation | Rating 7.1 11,744 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Europe?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Europe. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to Europe with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Europe flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Europe?
Once you have performed a search for St. Louis to Europe flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Europe right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Europe from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.