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Cheap flights from Cluj Napoca to St. Louis from $1,137

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Cluj Napoca to St. Louis departing on 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from Cluj Napoca to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 2:00 pm
CLJ
-
STL
40h 00m
2 stops
United Airlines Logo
10:23 am - 1:10 pm
STL
-
CLJ
18h 47m
2 stops
$1,137United Airlines
Tue, Oct 13 - Sat, Oct 17
United Airlines Logo
6:00 am - 8:00 pm
CLJ
-
STL
22h 00m
2 stops
United Airlines Logo
9:23 am - 1:10 pm
STL
-
CLJ
19h 47m
2 stops
$1,138United Airlines
Tue, Oct 13 - Sat, Oct 17
United Airlines Logo
6:00 am - 7:25 pm
CLJ
-
STL
21h 25m
2 stops
United Airlines Logo
9:23 am - 1:10 pm
STL
-
CLJ
19h 47m
2 stops
$1,139United Airlines
Tue, Oct 13 - Sat, Oct 17
United Airlines Logo
1:50 pm - 3:38 pm
CLJ
-
STL
33h 48m
3 stops
United Airlines Logo
1:27 pm - 1:10 pm
STL
-
CLJ
15h 43m
2 stops
$1,140United Airlines
Tue, Oct 13 - Sat, Oct 17
United Airlines Logo
1:50 pm - 8:37 am
CLJ
-
STL
26h 47m
2 stops
United Airlines Logo
6:49 pm - 5:25 pm
STL
-
CLJ
38h 36m
2 stops
$1,152United Airlines
Tue, Oct 13 - Sat, Oct 17
United Airlines Logo
6:00 am - 11:35 pm
CLJ
-
STL
25h 35m
2 stops
United Airlines Logo
7:23 pm - 5:25 pm
STL
-
CLJ
62h 02m
2 stops
$1,200United Airlines
Fri, Jun 12 - Sun, Jun 28
Multiple Airlines Logo
1:50 pm - 12:06 pm
CLJ
-
STL
30h 16m
2 stops
Multiple Airlines Logo
1:13 pm - 5:25 pm
STL
-
CLJ
20h 12m
3 stops
$1,333Multiple Airlines
Fri, Jun 12 - Sun, Jun 28
United Airlines Logo
6:00 am - 7:25 pm
CLJ
-
STL
21h 25m
2 stops
United Airlines Logo
7:30 am - 1:10 pm
STL
-
CLJ
21h 40m
3 stops
$1,453United Airlines
Tue, Oct 13 - Sat, Oct 17
United Airlines Logo
1:50 pm - 12:34 am
CLJ
-
STL
18h 44m
2 stops
United Airlines Logo
7:30 am - 1:10 pm
STL
-
CLJ
21h 40m
3 stops
$1,592United Airlines
Tue, Oct 13 - Sat, Oct 17
United Airlines Logo
6:00 am - 8:37 pm
CLJ
-
STL
22h 37m
2 stops
United Airlines Logo
7:30 am - 1:10 pm
STL
-
CLJ
21h 40m
3 stops
$1,689United Airlines
Tue, Oct 13 - Sat, Oct 17

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United Airlines flights from Cluj Napoca to St. Louis

Our best United Airlines deals on Cluj Napoca to St. Louis flight tickets
United Airlines
Oct 13
CLJ6:00 amCluj Napoca
40h 00m
2 stops
STL2:00 pmLambert-St Louis
Oct 17
STL10:23 amLambert-St Louis
18h 47m
2 stops
CLJ1:10 pmCluj Napoca
$1,137
United Airlines
Oct 13
CLJ6:00 amCluj Napoca
22h 00m
2 stops
STL8:00 pmLambert-St Louis
Oct 17
STL9:23 amLambert-St Louis
19h 47m
2 stops
CLJ1:10 pmCluj Napoca
$1,138
United Airlines
Oct 13
CLJ6:00 amCluj Napoca
21h 25m
2 stops
STL7:25 pmLambert-St Louis
Oct 17
STL9:23 amLambert-St Louis
19h 47m
2 stops
CLJ1:10 pmCluj Napoca
$1,139

momondo Fare Finder

 
Customize your flight search to find flights from Cluj Napoca to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 21, 2026.
Use the filters below to find and compare flights from Cluj Napoca to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Tue 10/13

6:00 am-2:00 pm

2 stops40h 00m

Lambert-St Louis

Sat 10/17

10:23 am-1:10 pm

2 stops18h 47m

$1,137

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Tue 10/13

6:00 am-8:00 pm

2 stops22h 00m

Lambert-St Louis

Sat 10/17

9:23 am-1:10 pm

2 stops19h 47m

$1,138

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Tue 10/13

6:00 am-7:25 pm

2 stops21h 25m

Lambert-St Louis

Sat 10/17

9:23 am-1:10 pm

2 stops19h 47m

$1,139

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Tue 10/13

1:50 pm-3:38 pm

3 stops33h 48m

Lambert-St Louis

Sat 10/17

1:27 pm-1:10 pm

2 stops15h 43m

$1,140

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Tue 10/13

1:50 pm-8:37 am

2 stops26h 47m

Lambert-St Louis

Sat 10/17

6:49 pm-5:25 pm

2 stops38h 36m

$1,152

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Fri 6/12

6:00 am-11:35 pm

2 stops25h 35m

Lambert-St Louis

Sun 6/28

7:23 pm-5:25 pm

2 stops62h 02m

$1,200

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Fri 6/12

1:50 pm-12:06 pm

2 stops30h 16m

Lambert-St Louis

Sun 6/28

1:13 pm-5:25 pm

3 stops20h 12m

$1,333

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Tue 10/13

6:00 am-7:25 pm

2 stops21h 25m

Lambert-St Louis

Sat 10/17

7:30 am-1:10 pm

3 stops21h 40m

$1,453
Quickest round-trip

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Tue 10/13

1:50 pm-12:34 am

2 stops18h 44m

Lambert-St Louis

Sat 10/17

7:30 am-1:10 pm

3 stops21h 40m

$1,592

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Tue 10/13

6:00 am-8:37 pm

2 stops22h 37m

Lambert-St Louis

Sat 10/17

7:30 am-1:10 pm

3 stops21h 40m

$1,689

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Cluj Napoca to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Cluj Napoca to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Cluj Napoca to St. Louis (CLJ to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cluj Napoca to St. Louis

Fastest flight time

18h 44m

Direct flights

None
The fastest flight from Cluj Napoca to St. Louis takes 18h 44m
There are no direct flights from Cluj Napoca to St. Louis. There are no popular flight routes from Cluj Napoca to St. Louis.
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Frequently asked questions about flying from Cluj Napoca to St. Louis

  • How far is Cluj Napoca to Lambert-St Louis by plane?

    Lambert-St Louis is 5260.3 mi away from Cluj Napoca. Typically, this will take 18h 44m by plane in normal conditions.

  • When did momondo last update prices for flights from Cluj Napoca Airport to Lambert-St Louis Airport?

    Prices for flights from Cluj Napoca Airport to Lambert-St Louis Airport refresh daily.

  • How old do you have to be to fly from Cluj Napoca Airport to Lambert-St Louis Airport?

    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 Cluj Napoca Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Cluj Napoca to St. Louis

  • How do I get Price Alerts for flights from Cluj Napoca to St. Louis?

    Confirm your travel details to search for the latest offers for flights from Cluj Napoca to St. Louis. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Cluj Napoca to St. Louis with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
Shrewsbury
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Cluj Napoca to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cluj Napoca to St. Louis for you.

Can I find flights from Cluj Napoca to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Cluj Napoca to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Cluj Napoca to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Cluj Napoca.

I’m not ready to book a flight from Cluj Napoca to St. Louis right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Cluj Napoca to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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