$577 Find Cheap Flights from Southeast Europe to St. Louis

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 10/14. 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 Southeast 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 Southeast 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 Southeast Europe to St. Louis

Fri, Jun 19 - Fri, Jun 26
United Airlines Logo
6:00 am - 7:13 pm
CLJ
-
STL
21h 13m
2 stops
United Airlines Logo
7:05 pm - 5:25 pm
STL
-
CLJ
38h 20m
2 stops
$974United Airlines
Fri, Jun 19 - Fri, Jun 26
Lufthansa Logo
6:15 am - 9:21 pm
ZAG
-
STL
22h 06m
2 stops
Lufthansa Logo
7:05 pm - 11:45 pm
STL
-
ZAG
21h 40m
2 stops
$992Lufthansa
Sun, Sep 6 - Wed, Dec 2
United Airlines Logo
5:55 am - 1:25 pm
ZAG
-
STL
14h 30m
1 stop
United Airlines Logo
9:13 am - 2:00 pm
STL
-
ZAG
21h 47m
2 stops
$1,006United Airlines
Sun, Sep 6 - Wed, Dec 2
United Airlines Logo
5:55 am - 6:42 pm
ZAG
-
STL
43h 47m
2 stops
United Airlines Logo
9:13 am - 2:00 pm
STL
-
ZAG
21h 47m
2 stops
$1,010United Airlines
Mon, Jun 1 - Mon, Jun 8
Multiple Airlines Logo
4:25 am - 11:35 pm
SKP
-
STL
26h 10m
2 stops
Multiple Airlines Logo
2:15 pm - 7:55 pm
STL
-
SKP
46h 40m
2 stops
$1,067Multiple Airlines
Wed, Jul 1 - Sat, Aug 1
Austrian Airlines Logo
12:35 pm - 11:44 pm
SKP
-
STL
42h 09m
2 stops
Austrian Airlines Logo
1:13 pm - 12:15 am
STL
-
SKP
28h 02m
2 stops
$1,078Austrian Airlines
Thu, Aug 27 - Mon, Aug 31
United Airlines Logo
6:00 am - 2:02 pm
CLJ
-
STL
40h 02m
2 stops
United Airlines Logo
1:24 pm - 5:25 pm
STL
-
CLJ
20h 01m
2 stops
$1,130United Airlines
Tue, May 19 - Sat, May 23
Multiple Airlines Logo
3:55 pm - 1:25 pm
CLJ
-
STL
29h 30m
2 stops
Multiple Airlines Logo
7:05 am - 2:50 pm
STL
-
CLJ
23h 45m
2 stops
$1,175Multiple Airlines
Sun, Sep 6 - Wed, Dec 2
Lufthansa Logo
5:55 am - 1:25 pm
ZAG
-
STL
14h 30m
1 stop
Lufthansa Logo
3:50 pm - 2:00 pm
STL
-
ZAG
15h 10m
1 stop
$1,219Lufthansa
Fri, Jun 19 - Fri, Jun 26
Air Canada Logo
6:00 am - 11:29 pm
CLJ
-
STL
25h 29m
3 stops
Air Canada Logo
1:13 pm - 5:25 pm
STL
-
CLJ
20h 12m
3 stops
$1,332Air Canada
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$577
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly with an average 6% increase in price.
Flight from Zagreb to St. Louis

FAQs for booking flights from Southeast Europe to St. Louis

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

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Southeast 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 Southeast 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 Southeast 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 Southeast Europe with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Southeast 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 Southeast Europe up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Southeast Europe to St. Louis

 
Need help choosing which airline to fly with from Southeast 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 9683 reviews
6.6Food
7.7Boarding
8.1Crew
7.1Entertainment
7.3Comfort
Airline reviews

Seats very comfortable; service efficient and pleasant; flight was on-time; boarding organized.

10.0 ExcellentEirene, May 2026
YYZ - EWR
Read more United Airlines reviews

Seats very comfortable; service efficient and pleasant; flight was on-time; boarding organized.

Seats were not super comfortable and food was not good at all. If I had a chance I would definitely fly a different airline. Of course they are better than any budget airline, but not by much.

Overall a good experience, but no wifi available for free or for purchase and we got wet from condensation or other water source during descent.

Very friendly and helpful staff on board and United was excellent when I missed my onward flight due to the delay in London. Very well organised meant much less stress

Flew steerage class. Short on leg room unless you pay more. No window unless you pay more. Etc. United is trying to squeeze every cent from you. It doesn’t make for any loyalty.

Booked through Kayak Business, had a seat in middle and towards back due to booking rate, not comfortable.

Was great in general, try to respect time and excuses when slight changes have been made, appreciated!

A long delay. Don't travel late in the day.

Super friendly with lots of drink options an entertainment. Friendly crew.

Flight crew was super friendly and helpful. Food was frequent and honestly pretty good. Plenty of on-board entertainment. Economy seats are super cramped for such a long flight, but the crew allowed people to get up and stretch, and kids could wander with their parents, so we all made it work. Overall a very good experience.

Flight was delayed by several hours and then cancelled due to weather. But Staff was very helpful getting me on a different flight. United should offer food coupons and tooth brush and paste for stranded passengers

Service was excellent. Flight was only about half full, which meant we had tons of room to stretch out. Boarding area was nice and well organized, flight attendants were super friendly and attentive and we loved the 3 snacks!

My flight was cancelled, but it was not Kayak's fault. Kayak did require me to pay for the ticket twice to two different venders who paid Lufthansa. Kayak/Lufthansa owes me for the first booking I made first was fraudulent on the part of the subcontracting ticket seller. There will be litigation over this issue under the current passenger protection laws.

flight was half full, plenty of empty seats, was able to lie down across 4 seats, food was good, arrived on time

Was never allowed on and not refunded the full amount of the ticket plus charged a $300 processing fee.

Terrible. Our flight was completely cancelled with no options to rebook until 4 days later.

Generally good. Not their fault but the design of the Boeing 747 had seating supports directly in line with my legs. So my legs always had to straddle this support which caused body misallignment. Such poor design from Boeing. There was no USB port for me to charge my phone. The screen touch control was very poor.

I like crew. They are friendly. The flight was delayed to take off for 1hr and that caused panic at Houston Airport to catch connecting flight due to security check delay. If it has reached on time I would have sufficient time in collecting bags and security check

How about changing the personal out to more friendly human beings? This team was pretty arrogant. No fun!!

Everything could have been better. What needed to be wrong with United went wrong

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
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Shrewsbury
Glencoe

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis