Cheap flights from St. Louis to Europe from $199
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 7/16. 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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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 April. Flight prices, which tend to average around $761, 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 April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $767.
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 Wednesday. Travelers who choose to depart for Europe on a Wednesday will often find tickets for as low as $846. Flights from St. Louis to Europe on a Tuesday will generally be more expensive and average around $1,006. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Europe?
According to our data, the cheapest time of day to fly to Europe is in the morning. momondo users have found flights departing from St. Louis to Europe in the morning for as low as $915. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $958. Of course, these prices can vary depending on the time of year and what airport you fly to.
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 to Europe?
You are more likely to see cheaper flights to Europe from St. Louis when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Europe for around $957 when searching 9 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 $832 on momondo.
What cabin class options are available on Lambert-St Louis to Europe flights?
There are 3 cabin classes available to choose from on Lambert-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.
What is the cheapest airline that flies from Lambert-St Louis to Europe?
Air Canada, United Airlines, and British Airways are the most popular carriers operating from Lambert-St Louis to Europe
What airlines fly to Europe?
United Airlines, American Airlines and British Airways are the top three most popular airlines that fly to Europe from St. Louis according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Europe. Keep in mind that there are 12 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 week?
As of June 2025, there are 6 flights per week flying from St. Louis to Europe. The most common day of the week flights depart is Wed, with 33% 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
Best Price Found | $199 |
|---|---|
Fastest flight time | 8h 40m |
Direct flights | Mon, Thu and Sat |
Airports in Europe | 8 airports |
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 June 2025, 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 $468 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $488 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $530 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $566 | Free Cancellation | Rating 7.0 2,776 reviews | |||
| PriceFrom $576 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $590 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $602 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $603 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom $611 | Free Cancellation | Rating 7.6 802 reviews | |||
| PriceFrom $626 | Free Cancellation | Rating 7.1 9,537 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.