$377 Find Cheap Flights from Europe to St. Louis - 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 to St. Louis departing on 9/4. 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

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Cheap Flights from Europe to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Europe to St. Louis 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 Europe to St. Louis

Thu, Aug 27 - Mon, Aug 31
Lufthansa Logo
6:45 am - 9:17 pmOSL  Oslo Gardermoen-STL Lambert-St Louis
21h 32m2 stops Frankfurt am Main Chicago O'Hare Intl
Lufthansa Logo
3:30 pm - 12:20 pmSTL  Lambert-St Louis-OSL Oslo Gardermoen
13h 50m1 stop Frankfurt am Main
$657Lufthansa
Thu, Aug 27 - Mon, Aug 31
Lufthansa Logo
6:45 am - 5:06 pmOSL  Oslo Gardermoen-STL Lambert-St Louis
17h 21m2 stops Frankfurt am Main Chicago O'Hare Intl
Lufthansa Logo
12:27 pm - 12:20 pmSTL  Lambert-St Louis-OSL Oslo Gardermoen
16h 53m2 stops Newark Frankfurt am Main
$661Lufthansa
Wed, Sep 2 - Mon, Sep 7
Multiple Airlines Logo
12:30 pm - 7:40 pmFRA  Frankfurt am Main-STL Lambert-St Louis
14h 10m1 stop Boston Logan Intl
Multiple Airlines Logo
7:00 am - 5:45 amSTL  Lambert-St Louis-FRA Frankfurt am Main
15h 45m1 stop Boston Logan Intl
$662Multiple Airlines
Wed, Sep 2 - Mon, Sep 7
Multiple Airlines Logo
12:30 pm - 7:40 pmFRA  Frankfurt am Main-STL Lambert-St Louis
14h 10m1 stop Boston Logan Intl
Multiple Airlines Logo
7:00 am - 5:45 amSTL  Lambert-St Louis-FRA Frankfurt am Main
15h 45m1 stop Boston Logan Intl
$663Multiple Airlines
Tue, Sep 1 - Sat, Sep 19
United Airlines Logo
1:55 pm - 10:27 pmFRA  Frankfurt am Main-STL Lambert-St Louis
15h 32m1 stop Houston George Bush Intcntl
United Airlines Logo
8:40 am - 7:20 amSTL  Lambert-St Louis-FRA Frankfurt am Main
15h 40m1 stop Washington, D.C. Dulles Intl
$699United Airlines
Fri, Dec 11 - Wed, Jan 27
United Airlines Logo
6:20 am - 1:45 pmDUS  Duesseldorf Intl-STL Lambert-St Louis
14h 25m1 stop Frankfurt am Main
United Airlines Logo
7:30 am - 1:50 pmSTL  Lambert-St Louis-DUS Duesseldorf Intl
23h 20m2 stops Newark Zurich
$769United Airlines
Sat, Nov 21 - Sun, Nov 29
American Airlines Logo
2:30 pm - 10:18 pmCDG  Paris Charles de Gaulle-STL Lambert-St Louis
14h 48m2 stops London Heathrow Chicago O'Hare Intl
American Airlines Logo
1:20 pm - 10:40 amSTL  Lambert-St Louis-CDG Paris Charles de Gaulle
14h 20m2 stops Chicago O'Hare Intl London Heathrow
$776American Airlines
Mon, Nov 23 - Tue, Dec 1
American Airlines Logo
10:20 am - 7:25 pmCDG  Paris Charles de Gaulle-STL Lambert-St Louis
16h 05m2 stops London Heathrow Chicago O'Hare Intl
American Airlines Logo
10:21 am - 9:00 amSTL  Lambert-St Louis-CDG Paris Charles de Gaulle
15h 39m1 stop Dallas/Fort Worth
$784American Airlines
Tue, Sep 8 - Tue, Sep 22
British Airways Logo
3:00 pm - 10:55 pmLHR  London Heathrow-STL Lambert-St Louis
13h 55m1 stop Charlotte Douglas
British Airways Logo
9:35 pm - 11:35 amSTL  Lambert-St Louis-LHR London Heathrow
8h 00mnonstop
$853British Airways
Wed, Sep 9 - Wed, Sep 23
British Airways Logo
9:45 am - 4:48 pmLHR  London Heathrow-STL Lambert-St Louis
13h 03m1 stop Chicago O'Hare Intl
British Airways Logo
9:35 pm - 11:35 amSTL  Lambert-St Louis-LHR London Heathrow
8h 00mnonstop
$861British Airways
Useful Info

Good to know

Low season

January

Cheapest flight

$377
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from London Gatwick Airport to St. Louis

FAQs for booking flights from Europe to St. Louis

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

    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 Europe to St. Louis.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from 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 Europe to St. Louis?

    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 to St. Louis with an airline and back to Europe with another airline.

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

    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 to St. Louis from Europe up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from Europe to St. Louis

 
Need help choosing which airline to fly with from Europe to St. Louis? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 10115 reviews
7.3Comfort
8.1Crew
7.7Boarding
6.7Food
7.1Entertainment
Airline reviews

Very kind Lufthansa agent somehow gave us all no charge extra business class seats and helped us get home rested and happy.

10.0 ExcellentAnonymous, Aug 2026
Read more United Airlines reviews

Very kind Lufthansa agent somehow gave us all no charge extra business class seats and helped us get home rested and happy.

Flight was delayed “due to earlier delays of that plane”, so we were nearly three hours late.

Crew was amazing, takeoff wonderful. The bathroom was disgusting from before takeoff the odor made the flight uncomfortable as you could smell the bathroom from the center of the plane where we were sitting. Smelled like raw sewage. My daughter was throwing up as we landed due to the smell and horrible turbulence as we approached Newark.

Airport terminal was outdated, flight was on a small jet with no wifi

Essy to get on. The hostess gave very little pop, the plane was late getting in, and we are still waiting for our bags. This sucks. :/

Lately I like the planes have been exceptionally filthy. There’s lines of dust and dirt all across the ceiling in the vents, and the cracks in between the seats are literally full of food. It’s definitely not the quality of service that I was used to with United. I’m also very disappointed with the Wi-Fi! All I wanna do is knock out a few work jobs while I’m trapped in my seat And it spools so bad. They did provide me with a refund, but the process of getting that refund is so complicated. It’s unfortunate.

Excellent flight. Smooth, efficient boarding. Quick flight. Arrived early at STL.

Short flight - no food understandable. Flight was delayed for over an hour. Overall, it was good.

We boarded and buckled and then deplaned due to no pilot. Had to wait over 3 hours for a new pilot. Not weather related, just poor management.

Last minute gate change nearly caused us to miss our flight. Change was not announced or displayed in the main board at the old gate. Terrible communication. When we landed we had to wait 20 minutes because there was another plane at the assigned gate. Not the crew’s fault, but adding 20 minutes to a 45 minute flight sucked.

We called Kayak for a change due to the TSA situation in Atlanta. What we got was a canceled return flight (in error) and we had to find the mistake. Not happy with Kayak who blamed it on AA.

Small plane, poor meal choices for first class, bad terminal and boarding experience at LAX

Boarding delayed 20 minutes for no reason, no wifi, in flight entertainment, or snacks / waters?

This flight captain and crew were amazing, started ahead of time of departure and reached 30 mins before arrival time. Amazing!

Improvements in communication and empathy are absolutely necessary for American Airlines staff (top down). It’s like they are numb to the needs of their customers.

I like the speed of boarding and deplaning and the fact that everything was on time. The crew (attendants) were probably quite new and did not begin the in cabin service until 30 min before landing even though there was little to no air turbulence for the last 1.5 hours of the flight. It made for a mad scramble at the end to get trash collected and carts stowed before touch down.

The flights was delayed by hours and it was the firmest landing I have experienced in my life. My back is still sore.

I did like the employee's, they are very friendly and all smiled most of the time, Overall, from checking in bags to getting on plane, not enough employees to be able to get all on the plane, therefore I was not able to get on the plane, due to no one wea there for me to check in my bag, so I decided to go thru the security point and by the time they were done with my bags, I was told that my bag cannot be checked in, and then found out that the lady that does the check in was boarding the customers onto the plane, she said that she was going back and fourth, there for was not able to get on the plane, which changed all my flights by the time I got to Dallas, I was on standby 3 times, and wasn't sure about being able to get on the fourth plane, so ended up buying another plane ticket, so I could make my destination on time.

Not sure about entertainment as I didn't use any, so maybe there should be an NA option on this survey. Otherwise everything was just as it should be. Of course I wish planes were more comfortable and had seats that would tilt back further.

American Airlines “Randy” questioned why I needed preboarding and denied my request for same. Then Randy attempted to berate me when I boarded with my group. I was seated in an exit roll with a young man with a disability that exhibited difficulty controlling and settling himself. But Tandy questioned my disability. The flight was horrible. It was overpacked.

This was the worst flight of my life. Economy seat directly behind a premium economy seat with extra recline meant I have about 6 inches between my face and their chair. My seat would not recline at all. I couldn't even use my laptop on the tray table because I had so little room. I was in a casket basically for 10 hours. Completely unacceptable.

Very comfortable plane. The food was very good (for airplane food). The crew was great

It was okay. Mothers with rowdy children should be invited to sit in front of them.

I had a good comfortable seat. There was nearly an hour delay. There was an accident with the champagne, but I was well compensated. These things happen sometimes.

I wasn’t allowed to board with my children. I was charged outrageous costs for basic carry on size luggage. The entertainment screens were outdated and not user friendly.

Well,I miss a flight to Stl with United,they send me to Stl with a different airline, but same day,which was great

NEVER TOOK THIS FLIGHT. LUFTHANSA CANCELED THIS FLIGHT WITHOUT ANY NOTICE. We were rerouted through Chicago on United airlines with a layover of five hours and then on American Airlines to St. Louis. The United club lounge in Chicago is good but there is no shower unlike Bangalore 080 lounge

At the gate I requested a change of seat to an aisle because of a medical issue, and I was graciously accommodated. Everyone was very pleasant and helpful.

Had to push staff to get good flight due to cancellation and delays for staff shortage

Tiny plane Had to gate check bags, a problem since we were flying back from an international vacation

That airplane is the most uncomfortable I’ve ever flown! Flight 267 LON-PDX Aug 10, 26 The middle armrests didn’t go up all the way. The aisle arm rest didn’t raise at all. The leg room area was compromised by a large metal box on both exterior seats. The headrests didn’t flatten. We got an email apologizing for no WiFi, but on the plane we’re told there would be WiFi. I never got it to connect. Pre-boarding support was great. Boarding was smooth. Crew was great. Food was DELICIOUS. A different plane would have resulted in a much better score.

Lovely attentive staff and even though take off was a tiny bit late, the pilot landed us early in PHX. Smooth easy journey and good touchdown.

This flight was OK, and about as good as a long-haul economy flight gets. The Good: * I was seated in a row with my family; * There was (just) enough space in the overhead bins for our luggage; * The cabin never got too hot; * The meal and beverage service was decent, and included all-metal cutlery; * The entertainment was good; * The cabin attendants were friendly and helpful. * Immigration control at JFK was a breeze -- all we had to do was get our photos taken, and we were through! Presumably this was because Madrid shared all our information with JFK in advance, but we were out of the airport within about 10 or 15 mins of getting off the plane, which is by far the fastest I have ever got out of JFK! The Bad: * We flew economy, so of course the seats were tiny and it was very cramped; * The seats were also hard -- I had a sore butt by the end, despite using the provided cushion; * The cabin got a bit too cold at one point (although I MUCH prefer this to cabins that are too hot), and Iberia also provided a blanket.

Online check-in not available from Istanbul to Las Vegas. The check-in process at the airport was extremely and inefficient period. Took us over an hour to check in. Besides that, everything else about British Airways was good

My screen didn't work for the first 9.5 hours of the flight. The crew could not resolve. I don't watch much media so I had been really excited to relax and watch a BBC special but couldn't. Then I tried to use the online streaming on my devices - that never worked but I do have about 7 charges on my credit card that I now have to dispute with BA. Pretty annoying. Also, they ran out of meals and they served meals that had a serve by date of 1/26. But the staff were all very friendly and helpful when they could help.

Horrible as a connecting passenger. The airport experience is horrendous in Madrid. Once on the flight everything was fine. Stop selling connecting flights through Madrid with less than 2 hrs transit time!!

Not good because in this cancelled and then rebooked flight BA put me and my husband in both middle seats when we were originally seated together in original flight and i was in aisle. I hate sitting in the middle. BA food needs to be better. It was just ok. Thanks though to screw and everyone one for safe flight

ok. It's a short flight and it was delayed, hence the ok rating.

Would like to see clean bathrooms, especially the bathroom by the end of the crew flight the cleanest not the bestest thank you

They ran out of earphones so my 3rd daughter couldn’t use the on board entertainment the entire flight. They also ran out of food choices (chicken or cheese) by the time they got to the last few rows, so my oldest daughter, wasn’t given a choice. Luckily she isn’t a vegetarian because they only had chicken left.

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