Which layover airport has the shortest connection time from St. Louis to Budapest?

Philadelphia (PHL) has the shortest average layover time for this route: 2h 13m.

What airlines fly to Budapest?

Lufthansa, United Airlines and British Airways are the top three most popular airlines that fly to Budapest from St. Louis according to our data. Lufthansa is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Budapest. Keep in mind that there are 3 different airlines that fly to Budapest on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from St. Louis to Budapest?

Flights via London (LHR) offer the lowest average round-trip price of $886.

Which airport is the most popular layover for flights between St. Louis and Budapest?

Frankfurt am Main (FRA) was the most common stop: 91% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from St. Louis to Budapest?

Flights connecting via London (LHR) have the shortest average one-way travel time: 12h 15m.

What is the cheapest airline that flies from Lambert-St Louis to Budapest Ferenc Liszt Intl?

British Airways is the most popular carrier operating from Lambert-St Louis to Budapest Ferenc Liszt Intl

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?

As of October 2026, there are 3 operators available to choose from 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.

$737 Cheap Flights from St. Louis to Budapest in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Budapest

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 am - 4:25 pmSTL Lambert-St Louis-BUD Budapest Ferenc Liszt Intl

27h 20m2 stops Newark Munich Franz Josef Strauss

6:40 am - 1:45 pmBUD Budapest Ferenc Liszt Intl-STL Lambert-St Louis

14h 05m1 stop Frankfurt am Main

$737United Airlines

Wed, Feb 10 - Fri, Feb 12

11:00 am - 4:25 pmSTL Lambert-St Louis-BUD Budapest Ferenc Liszt Intl

22h 25m2 stops Newark Munich Franz Josef Strauss

6:40 am - 1:45 pmBUD Budapest Ferenc Liszt Intl-STL Lambert-St Louis

14h 05m1 stop Frankfurt am Main

$737United Airlines

Wed, Feb 10 - Fri, Feb 12

10:45 am - 4:25 pmSTL Lambert-St Louis-BUD Budapest Ferenc Liszt Intl

22h 40m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:40 am - 3:57 pmBUD Budapest Ferenc Liszt Intl-STL Lambert-St Louis

40h 17m3 stops Frankfurt am Main Toronto Pearson Intl Newark

$744United Airlines

Wed, Feb 10 - Fri, Feb 12

6:50 pm - 4:25 pmSTL Lambert-St Louis-BUD Budapest Ferenc Liszt Intl

14h 35m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:40 am - 9:40 pmBUD Budapest Ferenc Liszt Intl-STL Lambert-St Louis

22h 00m2 stops Frankfurt am Main Chicago O'Hare Intl

$814Lufthansa

Tue, Nov 17 - Tue, Nov 24

4:05 pm - 7:10 pmSTL Lambert-St Louis-BUD Budapest Ferenc Liszt Intl

20h 05m2 stops Toronto Pearson Intl Zurich

10:00 am - 3:26 pmBUD Budapest Ferenc Liszt Intl-STL Lambert-St Louis

36h 26m2 stops Frankfurt am Main Toronto Pearson Intl

$828Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

3:40 pm - 1:40 pmSTL Lambert-St Louis-BUD Budapest Ferenc Liszt Intl

15h 00m1 stop Frankfurt am Main

6:40 am - 1:45 pmBUD Budapest Ferenc Liszt Intl-STL Lambert-St Louis

14h 05m1 stop Frankfurt am Main

$832Lufthansa

Fri, Mar 5 - Sun, Mar 14

4:05 pm - 5:50 pmSTL Lambert-St Louis-BUD Budapest Ferenc Liszt Intl

18h 45m2 stops Toronto Pearson Intl Frankfurt am Main

6:40 am - 1:45 pmBUD Budapest Ferenc Liszt Intl-STL Lambert-St Louis

14h 05m1 stop Frankfurt am Main

$834Multiple Airlines

Fri, Mar 5 - Sun, Mar 14

1:00 pm - 4:25 pmSTL Lambert-St Louis-BUD Budapest Ferenc Liszt Intl

20h 25m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

2:25 pm - 1:45 pmBUD Budapest Ferenc Liszt Intl-STL Lambert-St Louis

30h 20m1 stop Frankfurt am Main

$849Lufthansa

Tue, Nov 17 - Tue, Nov 24

5:38 pm - 11:00 pmSTL Lambert-St Louis-BUD Budapest Ferenc Liszt Intl

22h 22m2 stops Chicago O'Hare Intl London Heathrow

5:45 pm - 7:58 pmBUD Budapest Ferenc Liszt Intl-STL Lambert-St Louis

33h 13m2 stops London Heathrow Chicago O'Hare Intl

$876British Airways

Sun, Dec 6 - Sun, Dec 13

1:17 pm - 10:00 pmSTL Lambert-St Louis-BUD Budapest Ferenc Liszt Intl

25h 43m2 stops Philadelphia London Heathrow

5:35 pm - 7:36 pmBUD Budapest Ferenc Liszt Intl-STL Lambert-St Louis

33h 01m2 stops London Heathrow Dallas/Fort Worth

$985British Airways

Fri, Dec 11 - Mon, Dec 21

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British Airways flights from St. Louis to Budapest

Our best British Airways deals on St. Louis to Budapest flight tickets

British Airways

Dec 6

STL5:38 pmLambert-St Louis

22h 22m

2 stops

BUD11:00 pmBudapest Ferenc Liszt Intl

Dec 13

BUD5:45 pmBudapest Ferenc Liszt Intl

33h 13m

2 stops

STL7:58 pmLambert-St Louis

$876

British Airways

Dec 11

STL1:17 pmLambert-St Louis

25h 43m

2 stops

BUD10:00 pmBudapest Ferenc Liszt Intl

Dec 21

BUD5:35 pmBudapest Ferenc Liszt Intl

33h 01m

2 stops

STL7:36 pmLambert-St Louis

$985

Lufthansa flights from St. Louis to Budapest

Our best Lufthansa deals on St. Louis to Budapest flight tickets

Lufthansa

Nov 17

STL6:50 pmLambert-St Louis

14h 35m

2 stops

BUD4:25 pmBudapest Ferenc Liszt Intl

Nov 24

BUD6:40 amBudapest Ferenc Liszt Intl

22h 00m

2 stops

STL9:40 pmLambert-St Louis

$814

Lufthansa

Mar 5

STL3:40 pmLambert-St Louis

15h 00m

1 stop

BUD1:40 pmBudapest Ferenc Liszt Intl

Mar 14

BUD6:40 amBudapest Ferenc Liszt Intl

14h 05m

1 stop

STL1:45 pmLambert-St Louis

$832

Lufthansa

Nov 17

STL1:00 pmLambert-St Louis

20h 25m

2 stops

BUD4:25 pmBudapest Ferenc Liszt Intl

Nov 24

BUD2:25 pmBudapest Ferenc Liszt Intl

30h 20m

1 stop

STL1:45 pmLambert-St Louis

$849

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBudapest

STL Lambert-St Louis - BUD Budapest Ferenc Liszt Intl

STLBUD

Lambert-St Louis

Wed 2/10

6:05 am-4:25 pm

2 stops27h 20m

Budapest Ferenc Liszt Intl

Fri 2/12

6:40 am-1:45 pm

1 stop14h 05m

$737

St. LouisBudapest

STL Lambert-St Louis - BUD Budapest Ferenc Liszt Intl

STLBUD

Lambert-St Louis

Wed 2/10

11:00 am-4:25 pm

2 stops22h 25m

Budapest Ferenc Liszt Intl

Fri 2/12

6:40 am-1:45 pm

1 stop14h 05m

$737

St. LouisBudapest

STL Lambert-St Louis - BUD Budapest Ferenc Liszt Intl

STLBUD

Lambert-St Louis

Wed 2/10

10:45 am-4:25 pm

2 stops22h 40m

Budapest Ferenc Liszt Intl

Fri 2/12

6:40 am-3:57 pm

3 stops40h 17m

$744

St. LouisBudapest

STL Lambert-St Louis - BUD Budapest Ferenc Liszt Intl

STLBUD

Lambert-St Louis

Tue 11/17

6:50 pm-4:25 pm

2 stops14h 35m

Budapest Ferenc Liszt Intl

Tue 11/24

6:40 am-9:40 pm

2 stops22h 00m

$814

St. LouisBudapest

STL Lambert-St Louis - BUD Budapest Ferenc Liszt Intl

STLBUD

Lambert-St Louis

Tue 12/1

4:05 pm-7:10 pm

2 stops20h 05m

Budapest Ferenc Liszt Intl

Tue 12/8

10:00 am-3:26 pm

2 stops36h 26m

$828

Quickest round-trip

St. LouisBudapest

STL Lambert-St Louis - BUD Budapest Ferenc Liszt Intl

STLBUD

Lambert-St Louis

Fri 3/5

3:40 pm-1:40 pm

1 stop15h 00m

Budapest Ferenc Liszt Intl

Sun 3/14

6:40 am-1:45 pm

1 stop14h 05m

$832

St. LouisBudapest

STL Lambert-St Louis - BUD Budapest Ferenc Liszt Intl

STLBUD

Lambert-St Louis

Fri 3/5

4:05 pm-5:50 pm

2 stops18h 45m

Budapest Ferenc Liszt Intl

Sun 3/14

6:40 am-1:45 pm

1 stop14h 05m

$834

St. LouisBudapest

STL Lambert-St Louis - BUD Budapest Ferenc Liszt Intl

STLBUD

Lambert-St Louis

Tue 11/17

1:00 pm-4:25 pm

2 stops20h 25m

Budapest Ferenc Liszt Intl

Tue 11/24

2:25 pm-1:45 pm

1 stop30h 20m

$849

St. LouisBudapest

STL Lambert-St Louis - BUD Budapest Ferenc Liszt Intl

STLBUD

Lambert-St Louis

Sun 12/6

5:38 pm-11:00 pm

2 stops22h 22m

Budapest Ferenc Liszt Intl

Sun 12/13

5:45 pm-7:58 pm

2 stops33h 13m

$876

St. LouisBudapest

STL Lambert-St Louis - BUD Budapest Ferenc Liszt Intl

STLBUD

Lambert-St Louis

Fri 12/11

1:17 pm-10:00 pm

2 stops25h 43m

Budapest Ferenc Liszt Intl

Mon 12/21

5:35 pm-7:36 pm

2 stops33h 01m

$985

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

What is the cheapest month to fly to Budapest?

The cheapest month to fly to Budapest from St. Louis is in October. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Budapest, with average flight prices from St. Louis averaging around $712.

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

You could potentially save up to 14% 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

Best Price Found	$1,017
Fastest flight time	15h 00m
Direct flights	None

The best one-way flight to Budapest from St. Louis in the past 72 hours is $1,017. The best round-trip flight deal from St. Louis to Budapest found on momondo in the last 72 hours is $737.

The fastest flight from St. Louis to Budapest takes 15h 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 15h 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?
As of October 2026, there are 3 operators available to choose from 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?
Based on momondo bookings for flights between St. Louis and Budapest, the leading airline is Lufthansa, making up 51% of the total bookings. Other popular airlines include United Airlines with 30% and British Airways with 20%.

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
Lufthansa	PriceFrom $468	Free Cancellation	Rating 6.8 8,285 reviews	Search Lufthansa flights
United Airlines	PriceFrom $578	Free Cancellation	Rating 7.3 10,396 reviews	Search United Airlines flights
British Airways	PriceFrom $825	Free Cancellation	Rating 6.7 8,272 reviews	Search British Airways flights

Siófok

Szeged

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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Cheap flights from St. Louis to Budapest from $737

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Budapest departing on 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from St. Louis to Budapest

Our best British Airways deals on St. Louis to Budapest flight tickets

Lufthansa flights from St. Louis to Budapest

Our best Lufthansa deals on St. Louis to Budapest flight tickets

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

What is the cheapest month to fly to Budapest?

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

What is the cheapest airline that flies from Lambert-St Louis to Budapest Ferenc Liszt Intl?

What airlines fly to Budapest?

Which airport is the most popular layover for flights between St. Louis and Budapest?

Which layover airport offers the lowest fares from St. Louis to Budapest?

Which layover airport has the shortest travel time from St. Louis to Budapest?

Which layover airport has the shortest connection time from St. Louis to Budapest?

When to book flights from St. Louis to Budapest

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

Best Price Found

Fastest flight time

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Frequently asked questions about flying 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

Traveling to a place near Budapest?

Why use momondo?

An easier way to manage your Budapest trip

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Find better results for your trip to Hungary

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List of cabin classes available on flights landing in Budapest. Availability may vary depending on flight origin and airline.

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