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Cheap flights from Budapest to St. Louis from $425

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Budapest to St. Louis departing on 4/5. 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 Budapest to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:15 am - 10:58 pm
BUD
-
STL
22h 43m
2 stops
British Airways Logo
6:33 pm - 7:15 pm
STL
-
BUD
18h 42m
2 stops
$528British Airways
Thu, Feb 26 - Mon, Mar 9
British Airways Logo
8:05 am - 11:04 pm
BUD
-
STL
21h 59m
2 stops
British Airways Logo
6:50 pm - 7:15 pm
STL
-
BUD
18h 25m
2 stops
$529British Airways
Wed, Feb 25 - Mon, Mar 9
Multiple Airlines Logo
8:05 am - 11:48 pm
BUD
-
STL
22h 43m
2 stops
Multiple Airlines Logo
11:59 am - 2:55 pm
STL
-
BUD
20h 56m
2 stops
$569Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
United Airlines Logo
6:20 am - 2:55 pm
BUD
-
STL
14h 35m
1 stop
United Airlines Logo
5:41 pm - 2:05 pm
STL
-
BUD
14h 24m
2 stops
$622United Airlines
Wed, Mar 11 - Tue, Mar 17
United Airlines Logo
6:20 am - 1:55 pm
BUD
-
STL
14h 35m
1 stop
United Airlines Logo
6:00 am - 4:15 pm
STL
-
BUD
28h 15m
2 stops
$623United Airlines
Wed, Mar 4 - Wed, Mar 11
Air Canada Logo
6:20 am - 9:05 pm
BUD
-
STL
21h 45m
3 stops
Air Canada Logo
4:05 pm - 2:05 pm
STL
-
BUD
16h 00m
2 stops
$643Air Canada
Wed, Feb 25 - Mon, Mar 9
Lufthansa Logo
6:20 am - 1:55 pm
BUD
-
STL
14h 35m
1 stop
Lufthansa Logo
4:50 pm - 5:45 pm
STL
-
BUD
18h 55m
1 stop
$669Lufthansa
Wed, Mar 4 - Wed, Mar 11
Air Canada Logo
10:15 am - 10:59 pm
BUD
-
STL
18h 44m
3 stops
Air Canada Logo
4:05 pm - 2:05 pm
STL
-
BUD
16h 00m
2 stops
$708Air Canada
Wed, Mar 11 - Tue, Mar 17
Multiple Airlines Logo
6:55 am - 8:13 pm
BUD
-
STL
20h 18m
2 stops
Multiple Airlines Logo
2:54 pm - 5:20 pm
STL
-
BUD
19h 26m
2 stops
$872Multiple Airlines
Sun, Feb 1 - Wed, Feb 4
Air Canada Logo
6:20 am - 5:44 pm
BUD
-
STL
18h 24m
3 stops
Air Canada Logo
4:05 pm - 5:45 pm
STL
-
BUD
19h 40m
2 stops
$874Air Canada
Wed, Mar 4 - Wed, Mar 11

British Airways flights from Budapest to St. Louis

Our best British Airways deals on Budapest to St. Louis flight tickets
British Airways
Feb 26
BUD7:15 amBudapest Ferenc Liszt Intl
22h 43m
2 stops
STL10:58 pmLambert-St Louis
Mar 9
STL6:33 pmLambert-St Louis
18h 42m
2 stops
BUD7:15 pmBudapest Ferenc Liszt Intl
$528
British Airways
Feb 25
BUD8:05 amBudapest Ferenc Liszt Intl
21h 59m
2 stops
STL11:04 pmLambert-St Louis
Mar 9
STL6:50 pmLambert-St Louis
18h 25m
2 stops
BUD7:15 pmBudapest Ferenc Liszt Intl
$529

United Airlines flights from Budapest to St. Louis

Our best United Airlines deals on Budapest to St. Louis flight tickets
United Airlines
Mar 11
BUD6:20 amBudapest Ferenc Liszt Intl
14h 35m
1 stop
STL2:55 pmLambert-St Louis
Mar 17
STL5:41 pmLambert-St Louis
14h 24m
2 stops
BUD2:05 pmBudapest Ferenc Liszt Intl
$622
United Airlines
Mar 4
BUD6:20 amBudapest Ferenc Liszt Intl
14h 35m
1 stop
STL1:55 pmLambert-St Louis
Mar 11
STL6:00 amLambert-St Louis
28h 15m
2 stops
BUD4:15 pmBudapest Ferenc Liszt Intl
$623
United Airlines
Jan 23
BUD6:25 amBudapest Ferenc Liszt Intl
24h 34m
2 stops
STL11:59 pmLambert-St Louis
Jan 30
STL3:50 pmLambert-St Louis
15h 00m
1 stop
BUD1:50 pmBudapest Ferenc Liszt Intl
$680

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Thu 2/26

7:15 am-10:58 pm

2 stops22h 43m

Lambert-St Louis

Mon 3/9

6:33 pm-7:15 pm

2 stops18h 42m

$528

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Wed 2/25

8:05 am-11:04 pm

2 stops21h 59m

Lambert-St Louis

Mon 3/9

6:50 pm-7:15 pm

2 stops18h 25m

$529

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Wed 3/4

8:05 am-11:48 pm

2 stops22h 43m

Lambert-St Louis

Wed 3/11

11:59 am-2:55 pm

2 stops20h 56m

$569

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Wed 3/11

6:20 am-2:55 pm

1 stop14h 35m

Lambert-St Louis

Tue 3/17

5:41 pm-2:05 pm

2 stops14h 24m

$622

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Wed 3/4

6:20 am-1:55 pm

1 stop14h 35m

Lambert-St Louis

Wed 3/11

6:00 am-4:15 pm

2 stops28h 15m

$623

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Wed 2/25

6:20 am-9:05 pm

3 stops21h 45m

Lambert-St Louis

Mon 3/9

4:05 pm-2:05 pm

2 stops16h 00m

$643

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Wed 3/4

6:20 am-1:55 pm

1 stop14h 35m

Lambert-St Louis

Wed 3/11

4:50 pm-5:45 pm

1 stop18h 55m

$669

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Wed 3/11

10:15 am-10:59 pm

3 stops18h 44m

Lambert-St Louis

Tue 3/17

4:05 pm-2:05 pm

2 stops16h 00m

$708

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Sun 2/1

6:55 am-8:13 pm

2 stops20h 18m

Lambert-St Louis

Wed 2/4

2:54 pm-5:20 pm

2 stops19h 26m

$872

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Wed 3/4

6:20 am-5:44 pm

3 stops18h 24m

Lambert-St Louis

Wed 3/11

4:05 pm-5:45 pm

2 stops19h 40m

$874

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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

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

You could potentially save up to 24% on your flight if you consider stops on a Budapest to St. Louis flight.

When to book flights from Budapest to St. Louis

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

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

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

Fastest flight time

17h 28m

Direct flights

None
The fastest flight from Budapest to St. Louis takes 17h 28m
There are no direct flights from Budapest to St. Louis. There are no popular flight routes from Budapest to St. Louis.
Search flight deals

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

    The distance between Budapest Ferenc Liszt Intl and Lambert-St Louis is about 5065.8 mi. Typically, this will take 17h 28m by plane in normal conditions.

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

    Prices for flights from Budapest Ferenc Liszt Intl Airport to Lambert-St Louis Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Budapest Ferenc Liszt Intl Airport to Lambert-St Louis Airport.

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

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Budapest to St. Louis

Compare and see reviews for airlines that fly from Budapest to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $647Free CancellationRating
7.4
9,177 reviews
Search United Airlines flights
LufthansaPriceFrom $829Free CancellationRating
6.8
7,731 reviews
Search Lufthansa flights

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
Florissant
O'Fallon
Fenton
Collinsville
St. Peters
Wentzville
Alton
Farmington
Clayton
Eureka
Edwardsville
Festus
Glencoe
Litchfield
Shrewsbury

Why use momondo?

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

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

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

How can momondo help me find flights from Budapest 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 Budapest.

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

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

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