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Cheap flights from St. Louis to Budapest from $312

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 9/8. 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
1:30 pm - 8:10 am
STL
-
BUD
11h 40m
1 stop
British Airways Logo
10:05 am - 11:42 pm
BUD
-
STL
20h 37m
1 stop
$708British Airways
Wed, Aug 19 - Tue, Aug 25
Multiple Airlines Logo
12:10 pm - 1:35 pm
STL
-
BUD
18h 25m
2 stops
Multiple Airlines Logo
5:55 am - 1:25 pm
BUD
-
STL
14h 30m
1 stop
$714Multiple Airlines
Wed, Aug 19 - Tue, Aug 25
Multiple Airlines Logo
1:30 pm - 8:10 am
STL
-
BUD
11h 40m
1 stop
Multiple Airlines Logo
12:05 pm - 11:20 pm
BUD
-
STL
18h 15m
2 stops
$719Multiple Airlines
Wed, Aug 26 - Wed, Sep 9
British Airways Logo
1:30 pm - 8:10 am
STL
-
BUD
11h 40m
1 stop
British Airways Logo
10:05 am - 11:38 pm
BUD
-
STL
20h 33m
1 stop
$723British Airways
Wed, Aug 26 - Wed, Sep 9
Multiple Airlines Logo
9:45 am - 1:35 pm
STL
-
BUD
20h 50m
2 stops
Multiple Airlines Logo
12:05 pm - 11:20 pm
BUD
-
STL
18h 15m
2 stops
$726Multiple Airlines
Wed, Aug 26 - Wed, Sep 9
Air Canada Logo
12:10 pm - 6:40 pm
STL
-
BUD
23h 30m
2 stops
Air Canada Logo
2:25 pm - 6:42 pm
BUD
-
STL
35h 17m
2 stops
$731Air Canada
Wed, Aug 19 - Tue, Aug 25
British Airways Logo
1:30 pm - 8:10 am
STL
-
BUD
11h 40m
1 stop
British Airways Logo
10:05 am - 11:38 pm
BUD
-
STL
20h 33m
1 stop
$754British Airways
Tue, Sep 1 - Wed, Sep 9
American Airlines Logo
6:20 am - 8:10 am
STL
-
BUD
18h 50m
1 stop
American Airlines Logo
10:05 am - 11:38 pm
BUD
-
STL
20h 33m
1 stop
$759American Airlines
Tue, Sep 1 - Wed, Sep 9
American Airlines Logo
6:20 am - 8:10 am
STL
-
BUD
18h 50m
1 stop
American Airlines Logo
10:05 am - 11:38 pm
BUD
-
STL
20h 33m
1 stop
$760American Airlines
Tue, Sep 1 - Wed, Sep 9
Air Canada Logo
12:10 pm - 12:35 pm
STL
-
BUD
17h 25m
2 stops
Air Canada Logo
11:45 am - 2:00 pm
BUD
-
STL
33h 15m
1 stop
$763Air Canada
Tue, Sep 1 - Wed, Sep 9

British Airways flights from St. Louis to Budapest

Our best British Airways deals on St. Louis to Budapest flight tickets
British Airways
Aug 19
STL1:30 pmLambert-St Louis
11h 40m
1 stop
BUD8:10 amBudapest Ferenc Liszt Intl
Aug 25
BUD10:05 amBudapest Ferenc Liszt Intl
20h 37m
1 stop
STL11:42 pmLambert-St Louis
$708
British Airways
Aug 26
STL1:30 pmLambert-St Louis
11h 40m
1 stop
BUD8:10 amBudapest Ferenc Liszt Intl
Sep 9
BUD10:05 amBudapest Ferenc Liszt Intl
20h 33m
1 stop
STL11:38 pmLambert-St Louis
$723
British Airways
Sep 1
STL1:30 pmLambert-St Louis
11h 40m
1 stop
BUD8:10 amBudapest Ferenc Liszt Intl
Sep 9
BUD10:05 amBudapest Ferenc Liszt Intl
20h 33m
1 stop
STL11:38 pmLambert-St Louis
$754

Air Canada flights from St. Louis to Budapest

Our best Air Canada deals on St. Louis to Budapest flight tickets
Air Canada
Aug 19
STL12:10 pmLambert-St Louis
23h 30m
2 stops
BUD6:40 pmBudapest Ferenc Liszt Intl
Aug 25
BUD2:25 pmBudapest Ferenc Liszt Intl
35h 17m
2 stops
STL6:42 pmLambert-St Louis
$731
Air Canada
Sep 1
STL12:10 pmLambert-St Louis
17h 25m
2 stops
BUD12:35 pmBudapest Ferenc Liszt Intl
Sep 9
BUD11:45 amBudapest Ferenc Liszt Intl
33h 15m
1 stop
STL2:00 pmLambert-St Louis
$763

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 March 22, 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

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 8/19

1:30 pm-8:10 am

1 stop11h 40m

Budapest Ferenc Liszt Intl

Tue 8/25

10:05 am-11:42 pm

1 stop20h 37m

$708

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 8/19

12:10 pm-1:35 pm

2 stops18h 25m

Budapest Ferenc Liszt Intl

Tue 8/25

5:55 am-1:25 pm

1 stop14h 30m

$714
Quickest round-trip

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 8/26

1:30 pm-8:10 am

1 stop11h 40m

Budapest Ferenc Liszt Intl

Wed 9/9

12:05 pm-11:20 pm

2 stops18h 15m

$719

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 8/26

1:30 pm-8:10 am

1 stop11h 40m

Budapest Ferenc Liszt Intl

Wed 9/9

10:05 am-11:38 pm

1 stop20h 33m

$723

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 8/26

9:45 am-1:35 pm

2 stops20h 50m

Budapest Ferenc Liszt Intl

Wed 9/9

12:05 pm-11:20 pm

2 stops18h 15m

$726

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 8/19

12:10 pm-6:40 pm

2 stops23h 30m

Budapest Ferenc Liszt Intl

Tue 8/25

2:25 pm-6:42 pm

2 stops35h 17m

$731

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 9/1

1:30 pm-8:10 am

1 stop11h 40m

Budapest Ferenc Liszt Intl

Wed 9/9

10:05 am-11:38 pm

1 stop20h 33m

$754

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 9/1

6:20 am-8:10 am

1 stop18h 50m

Budapest Ferenc Liszt Intl

Wed 9/9

10:05 am-11:38 pm

1 stop20h 33m

$759

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 9/1

6:20 am-8:10 am

1 stop18h 50m

Budapest Ferenc Liszt Intl

Wed 9/9

10:05 am-11:38 pm

1 stop20h 33m

$760

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 9/1

12:10 pm-12:35 pm

2 stops17h 25m

Budapest Ferenc Liszt Intl

Wed 9/9

11:45 am-2:00 pm

1 stop33h 15m

$763

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 61% 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

11h 40m

Direct flights

None
The fastest flight from St. Louis to Budapest takes 11h 40m
There are no direct flights from St. Louis to Budapest. There are no popular flight routes from St. Louis to Budapest.
Search flight deals

  • 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 11h 40m.

  • 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
7,860 reviews
Search Lufthansa flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
9,455 reviews
Search United Airlines flights

Traveling to a place near Budapest?

Book flights to Budapest if you plan to visit one of these locations
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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Find better results for your trip to Hungary

Airports servicing Hungary

Debrecen Airport
Miskolc Airport