Cheap flights from St. Louis to Hungary from $345

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 Hungary departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Hungary

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
8:02 pm - 12:55 am
STL
-
BUD
21h 53m
2 stops
British Airways Logo
12:05 pm - 11:20 pm
BUD
-
STL
18h 15m
2 stops
$802British Airways
Tue, Sep 1 - Wed, Sep 9
American Airlines Logo
6:03 am - 8:10 am
STL
-
BUD
19h 07m
1 stop
American Airlines Logo
10:05 am - 5:11 pm
BUD
-
STL
14h 06m
1 stop
$810American Airlines
Tue, Sep 1 - Wed, Sep 9
Multiple Airlines Logo
1:18 pm - 10:35 am
STL
-
BUD
14h 17m
2 stops
Multiple Airlines Logo
1:20 pm - 9:22 pm
BUD
-
STL
15h 02m
2 stops
$813Multiple Airlines
Tue, Sep 1 - Wed, Sep 9
American Airlines Logo
9:31 am - 8:10 am
STL
-
BUD
15h 39m
2 stops
American Airlines Logo
10:05 am - 5:11 pm
BUD
-
STL
14h 06m
1 stop
$814American Airlines
Tue, Sep 1 - Wed, Sep 9
Air Canada Logo
2:40 pm - 8:55 am
STL
-
BUD
35h 15m
2 stops
Air Canada Logo
5:55 am - 6:41 pm
BUD
-
STL
19h 46m
2 stops
$825Air Canada
Sat, Oct 17 - Fri, Oct 23
United Airlines Logo
2:40 pm - 10:55 am
STL
-
BUD
37h 15m
2 stops
United Airlines Logo
5:55 am - 1:25 pm
BUD
-
STL
14h 30m
1 stop
$832United Airlines
Sat, Oct 17 - Fri, Oct 23
United Airlines Logo
2:40 pm - 1:30 pm
STL
-
BUD
39h 50m
2 stops
United Airlines Logo
5:55 am - 6:41 pm
BUD
-
STL
19h 46m
2 stops
$835United Airlines
Sat, Oct 17 - Fri, Oct 23
Multiple Airlines Logo
2:40 pm - 9:40 am
STL
-
BUD
12h 00m
1 stop
Multiple Airlines Logo
7:05 am - 7:30 pm
BUD
-
STL
19h 25m
1 stop
$854Multiple Airlines
Sat, Oct 17 - Fri, Oct 23
United Airlines Logo
2:40 pm - 9:40 am
STL
-
BUD
12h 00m
1 stop
United Airlines Logo
5:55 am - 1:25 pm
BUD
-
STL
14h 30m
1 stop
$862United Airlines
Sat, Oct 17 - Fri, Oct 23
Lufthansa Logo
6:49 pm - 4:50 pm
STL
-
BUD
15h 01m
2 stops
Lufthansa Logo
2:30 pm - 2:55 pm
BUD
-
STL
30h 25m
1 stop
$881Lufthansa
Fri, Oct 23 - Sat, Oct 31

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Air Canada flights from St. Louis to Hungary

Our best Air Canada deals on St. Louis to Hungary flight tickets
Air Canada
Oct 23
STL12:10 pmLambert-St Louis
17h 25m
2 stops
BUD12:35 pmBudapest Ferenc Liszt Intl
Oct 31
BUD1:20 pmBudapest Ferenc Liszt Intl
57h 10m
2 stops
STL4:30 pmLambert-St Louis
$887
Air Canada
May 10
STL1:05 pmLambert-St Louis
20h 45m
2 stops
BUD4:50 pmBudapest Ferenc Liszt Intl
Jun 10
BUD11:45 amBudapest Ferenc Liszt Intl
31h 26m
2 stops
STL12:11 pmLambert-St Louis
$961
Air Canada
May 10
STL1:05 pmLambert-St Louis
36h 50m
2 stops
BUD8:55 amBudapest Ferenc Liszt Intl
Jun 10
BUD11:45 amBudapest Ferenc Liszt Intl
31h 26m
2 stops
STL12:11 pmLambert-St Louis
$963

British Airways flights from St. Louis to Hungary

Our best British Airways deals on St. Louis to Hungary flight tickets
British Airways
Sep 1
STL8:02 pmLambert-St Louis
21h 53m
2 stops
BUD12:55 amBudapest Ferenc Liszt Intl
Sep 9
BUD12:05 pmBudapest Ferenc Liszt Intl
18h 15m
2 stops
STL11:20 pmLambert-St Louis
$802
British Airways
May 12
STL9:35 pmLambert-St Louis
20h 20m
1 stop
BUD12:55 amBudapest Ferenc Liszt Intl
May 19
BUD9:50 amBudapest Ferenc Liszt Intl
19h 29m
2 stops
STL10:19 pmLambert-St Louis
$971
British Airways
May 12
STL9:35 pmLambert-St Louis
20h 20m
1 stop
BUD12:55 amBudapest Ferenc Liszt Intl
May 19
BUD7:20 amBudapest Ferenc Liszt Intl
19h 10m
1 stop
STL7:30 pmLambert-St Louis
$973

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Hungary 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 29, 2026.
Use the filters below to find and compare flights from St. Louis to Hungary that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 9/1

8:02 pm-12:55 am

2 stops21h 53m

Budapest Ferenc Liszt Intl

Wed 9/9

12:05 pm-11:20 pm

2 stops18h 15m

$802

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 9/1

6:03 am-8:10 am

1 stop19h 07m

Budapest Ferenc Liszt Intl

Wed 9/9

10:05 am-5:11 pm

1 stop14h 06m

$810

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 9/1

1:18 pm-10:35 am

2 stops14h 17m

Budapest Ferenc Liszt Intl

Wed 9/9

1:20 pm-9:22 pm

2 stops15h 02m

$813

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 9/1

9:31 am-8:10 am

2 stops15h 39m

Budapest Ferenc Liszt Intl

Wed 9/9

10:05 am-5:11 pm

1 stop14h 06m

$814

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sat 10/17

2:40 pm-8:55 am

2 stops35h 15m

Budapest Ferenc Liszt Intl

Fri 10/23

5:55 am-6:41 pm

2 stops19h 46m

$825

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sat 10/17

2:40 pm-10:55 am

2 stops37h 15m

Budapest Ferenc Liszt Intl

Fri 10/23

5:55 am-1:25 pm

1 stop14h 30m

$832

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sat 10/17

2:40 pm-1:30 pm

2 stops39h 50m

Budapest Ferenc Liszt Intl

Fri 10/23

5:55 am-6:41 pm

2 stops19h 46m

$835

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sat 10/17

2:40 pm-9:40 am

1 stop12h 00m

Budapest Ferenc Liszt Intl

Fri 10/23

7:05 am-7:30 pm

1 stop19h 25m

$854
Quickest round-trip

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sat 10/17

2:40 pm-9:40 am

1 stop12h 00m

Budapest Ferenc Liszt Intl

Fri 10/23

5:55 am-1:25 pm

1 stop14h 30m

$862

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Fri 10/23

6:49 pm-4:50 pm

2 stops15h 01m

Budapest Ferenc Liszt Intl

Sat 10/31

2:30 pm-2:55 pm

1 stop30h 25m

$881

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Hungary from

How to get the cheapest flight ticket from St. Louis to Hungary

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 Hungary?

The cheapest month to fly to Hungary from St. Louis is in February. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Hungary, with average flight prices from St. Louis averaging around $414.

Can stopping save me money on St. Louis to Hungary flights?

You could potentially save up to 23% on your flight if you consider stops on a St. Louis to Hungary flight.

Cheap St. Louis to Hungary flight deals and tips

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

Fastest flight time

12h 00m

Direct flights

None
The fastest flight from St. Louis to Hungary takes 12h 00m
There are no direct flights from St. Louis to Hungary. There are no popular flight routes from St. Louis to Hungary.

Frequently asked questions about flying from St. Louis to Hungary

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

    Prices for flights from Lambert-St Louis Airport to Hungary are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Hungary?

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

    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 Hungary.

  • What documentation or ID do you need to fly to Hungary?

    The travel and health documents required for your trip to Hungary 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 Hungary. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from St. Louis to Hungary

Compare and see reviews for airlines that fly from St. Louis to Hungary with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $468Free CancellationRating
6.8
7,960 reviews
Search Lufthansa flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Hungary from St. Louis.

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

Yes. All flights to Hungary from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Hungary.

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

Yes. momondo can track prices for St. Louis to Hungary 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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1 adult
Fri 5/29
Fri 6/5

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