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Cheap flights from St. Louis to Budapest from $337

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 Budapest 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 Budapest

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:35 pm - 5:05 pm
STL
-
BUD
12h 30m
1 stop
British Airways Logo
7:55 am - 7:30 pm
BUD
-
STL
18h 35m
1 stop
$797British Airways
Wed, Oct 14 - Wed, Oct 21
United Airlines Logo
6:49 pm - 4:50 pm
STL
-
BUD
15h 01m
2 stops
United Airlines Logo
11:45 am - 2:18 pm
BUD
-
STL
33h 33m
2 stops
$802United Airlines
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
9:35 pm - 5:05 pm
STL
-
BUD
12h 30m
1 stop
Multiple Airlines Logo
6:25 pm - 7:30 pm
BUD
-
STL
32h 05m
2 stops
$805Multiple Airlines
Wed, Oct 14 - Thu, Oct 22
British Airways Logo
9:35 pm - 5:05 pm
STL
-
BUD
12h 30m
1 stop
British Airways Logo
5:55 pm - 7:30 pm
BUD
-
STL
32h 35m
1 stop
$808British Airways
Wed, Oct 14 - Thu, Oct 22
American Airlines Logo
6:03 am - 8:10 am
STL
-
BUD
19h 07m
1 stop
American Airlines Logo
10:05 am - 9:23 pm
BUD
-
STL
18h 18m
1 stop
$810American Airlines
Tue, Sep 1 - Wed, Sep 9
Multiple Airlines Logo
6:49 pm - 4:50 pm
STL
-
BUD
15h 01m
2 stops
Multiple Airlines Logo
6:35 am - 6:41 pm
BUD
-
STL
19h 06m
2 stops
$812Multiple Airlines
Wed, Oct 14 - Thu, Oct 22
American Airlines Logo
6:03 am - 8:10 am
STL
-
BUD
19h 07m
1 stop
American Airlines Logo
10:05 am - 8:03 pm
BUD
-
STL
16h 58m
2 stops
$814American Airlines
Tue, Sep 1 - Wed, Sep 9
American Airlines Logo
7:23 am - 8:10 am
STL
-
BUD
17h 47m
2 stops
American Airlines Logo
10:05 am - 5:11 pm
BUD
-
STL
14h 06m
1 stop
$815American Airlines
Tue, Sep 1 - Wed, Sep 9
American Airlines Logo
9:35 pm - 12:55 am
STL
-
BUD
20h 20m
1 stop
American Airlines Logo
9:50 am - 10:19 pm
BUD
-
STL
19h 29m
2 stops
$870American Airlines
Tue, May 12 - Tue, May 19
Iberia Logo
6:11 pm - 12:55 am
STL
-
BUD
23h 44m
2 stops
Iberia Logo
6:05 pm - 7:30 pm
BUD
-
STL
32h 25m
2 stops
$885Iberia
Tue, May 12 - Tue, May 19

Lufthansa flights from St. Louis to Budapest

Our best Lufthansa deals on St. Louis to Budapest flight tickets
Lufthansa
May 4
STL7:09 pmLambert-St Louis
21h 21m
2 stops
BUD11:30 pmBudapest Ferenc Liszt Intl
May 13
BUD5:55 amBudapest Ferenc Liszt Intl
17h 44m
2 stops
STL4:39 pmLambert-St Louis
$927
Lufthansa
May 4
STL1:24 pmLambert-St Louis
16h 11m
2 stops
BUD12:35 pmBudapest Ferenc Liszt Intl
May 13
BUD5:55 amBudapest Ferenc Liszt Intl
14h 30m
1 stop
STL1:25 pmLambert-St Louis
$1,081

Delta flights from St. Louis to Budapest

Our best Delta deals on St. Louis to Budapest flight tickets
Delta
May 10
STL5:36 pmLambert-St Louis
17h 14m
2 stops
BUD5:50 pmBudapest Ferenc Liszt Intl
May 24
BUD6:00 amBudapest Ferenc Liszt Intl
22h 38m
2 stops
STL9:38 pmLambert-St Louis
$1,043
Delta
May 10
STL4:25 pmLambert-St Louis
17h 05m
2 stops
BUD4:30 pmBudapest Ferenc Liszt Intl
May 24
BUD6:00 amBudapest Ferenc Liszt Intl
22h 38m
2 stops
STL9:38 pmLambert-St Louis
$1,047
Delta
May 10
STL1:59 pmLambert-St Louis
19h 31m
2 stops
BUD4:30 pmBudapest Ferenc Liszt Intl
May 24
BUD6:00 amBudapest Ferenc Liszt Intl
19h 00m
2 stops
STL6:00 pmLambert-St Louis
$1,048

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Budapest 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 19, 2026.
Use the filters below to find and compare flights from St. Louis to Budapest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 10/14

9:35 pm-5:05 pm

1 stop12h 30m

Budapest Ferenc Liszt Intl

Wed 10/21

7:55 am-7:30 pm

1 stop18h 35m

$797

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 10/14

6:49 pm-4:50 pm

2 stops15h 01m

Budapest Ferenc Liszt Intl

Wed 10/21

11:45 am-2:18 pm

2 stops33h 33m

$802

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 10/14

9:35 pm-5:05 pm

1 stop12h 30m

Budapest Ferenc Liszt Intl

Thu 10/22

6:25 pm-7:30 pm

2 stops32h 05m

$805

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 10/14

9:35 pm-5:05 pm

1 stop12h 30m

Budapest Ferenc Liszt Intl

Thu 10/22

5:55 pm-7:30 pm

1 stop32h 35m

$808

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-9:23 pm

1 stop18h 18m

$810

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 10/14

6:49 pm-4:50 pm

2 stops15h 01m

Budapest Ferenc Liszt Intl

Thu 10/22

6:35 am-6:41 pm

2 stops19h 06m

$812

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-8:03 pm

2 stops16h 58m

$814

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 9/1

7:23 am-8:10 am

2 stops17h 47m

Budapest Ferenc Liszt Intl

Wed 9/9

10:05 am-5:11 pm

1 stop14h 06m

$815

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 5/12

9:35 pm-12:55 am

1 stop20h 20m

Budapest Ferenc Liszt Intl

Tue 5/19

9:50 am-10:19 pm

2 stops19h 29m

$870

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 5/12

6:11 pm-12:55 am

2 stops23h 44m

Budapest Ferenc Liszt Intl

Tue 5/19

6:05 pm-7:30 pm

2 stops32h 25m

$885

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Budapest from

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

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 typical price of a round-trip flight between St. Louis and Budapest?

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

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

When to book flights from St. Louis to Budapest

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

Cheap St. Louis to Budapest (STL to BUD) flight deals and tips

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

Fastest flight time

12h 00m

Direct flights

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

Frequently asked questions about flying from St. Louis to Budapest

  • How far is Lambert-St Louis to Budapest Ferenc Liszt Intl by plane?

    The straight-line distance from Lambert-St Louis to Budapest Ferenc Liszt Intl is 5065.8 mi. A reasonable flight in good conditions will take 12h 00m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Budapest Ferenc Liszt Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Budapest Ferenc Liszt Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Budapest Ferenc Liszt Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Budapest Ferenc Liszt Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Budapest Ferenc Liszt Intl Airport.

  • What documentation or ID do you need to fly to Budapest Ferenc Liszt Intl Airport?

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

  • What is the most popular airline from St. Louis to Budapest?

Best airlines flying from St. Louis to Budapest

Compare and see reviews for airlines that fly from St. Louis to Budapest with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $468Free CancellationRating
6.8
7,930 reviews
Search Lufthansa flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
9,605 reviews
Search United Airlines flights

Traveling to a place near Budapest?

Book flights to Budapest if you plan to visit one of these locations
Szeged
Siófok
Eger
Kecskemét
Szentendre

Why use momondo?

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

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 Budapest from St. Louis.

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

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

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

Once you have performed a search for St. Louis to Budapest 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 Budapest right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Budapest now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Budapest and let you know when they change.

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Find better results for your trip to Hungary

Airports servicing Hungary

Debrecen Airport
Miskolc Airport