Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Budapest to St. Louis from $447

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 3/29. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Budapest to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:25 am - 3:29 pmBUD-STL
40h 04m2 stops
United Airlines Logo
3:11 pm - 2:05 pmSTL-BUD
15h 54m2 stops
$540United Airlines
Find Deal
Fri, Feb 6 - Sun, Feb 8
United Airlines Logo
6:25 am - 10:00 pmBUD-STL
22h 35m2 stops
United Airlines Logo
1:15 pm - 2:05 pmSTL-BUD
17h 50m2 stops
$541United Airlines
Find Deal
Fri, Feb 6 - Sun, Feb 8
British Airways Logo
7:40 am - 6:34 pmBUD-STL
17h 54m2 stops
British Airways Logo
3:54 pm - 10:00 pmSTL-BUD
23h 06m2 stops
$544British Airways
Find Deal
Sat, Jan 17 - Fri, Jan 23
United Airlines Logo
6:20 am - 9:13 pmBUD-STL
21h 53m2 stops
United Airlines Logo
3:50 pm - 11:35 amSTL-BUD
12h 45m1 stop
$545United Airlines
Find Deal
Sat, Jan 17 - Fri, Jan 23
United Airlines Logo
6:20 am - 5:25 pmBUD-STL
18h 05m2 stops
United Airlines Logo
3:50 pm - 11:35 amSTL-BUD
12h 45m1 stop
$546United Airlines
Find Deal
Sat, Jan 17 - Fri, Jan 23
Air Canada Logo
6:20 am - 5:43 pmBUD-STL
18h 23m3 stops
Air Canada Logo
4:05 pm - 2:05 pmSTL-BUD
15h 00m2 stops
$649Air Canada
Find Deal
Sat, Jan 17 - Fri, Jan 23
Air Canada Logo
6:20 am - 7:27 pmBUD-STL
20h 07m3 stops
Air Canada Logo
4:05 pm - 2:05 pmSTL-BUD
15h 00m2 stops
$650Air Canada
Find Deal
Sat, Jan 17 - Fri, Jan 23
Air Canada Logo
6:20 am - 5:43 pmBUD-STL
18h 23m3 stops
Air Canada Logo
4:05 pm - 2:05 pmSTL-BUD
15h 00m2 stops
$718Air Canada
Find Deal
Sat, Jan 17 - Fri, Jan 23
United Airlines Logo
10:15 am - 8:58 pmBUD-STL
41h 43m2 stops
United Airlines Logo
8:05 am - 9:20 amSTL-BUD
18h 15m2 stops
$857United Airlines
Find Deal
Wed, Jan 7 - Sat, Jan 17
Lufthansa Logo
10:00 am - 7:27 pmBUD-STL
16h 27m2 stops
Lufthansa Logo
4:49 pm - 9:10 pmSTL-BUD
21h 21m2 stops
$869Lufthansa
Find Deal
Wed, Jan 7 - Sat, Jan 17

United Airlines flights from Budapest to St. Louis

Our best United Airlines deals on Budapest to St. Louis flight tickets
United Airlines
Feb 6
BUD6:25 amBudapest Ferenc Liszt Intl
40h 04m
2 stops
STL3:29 pmLambert-St Louis
Feb 8
STL3:11 pmLambert-St Louis
15h 54m
2 stops
BUD2:05 pmBudapest Ferenc Liszt Intl
$540
Find similar
United Airlines
Feb 6
BUD6:25 amBudapest Ferenc Liszt Intl
22h 35m
2 stops
STL10:00 pmLambert-St Louis
Feb 8
STL1:15 pmLambert-St Louis
17h 50m
2 stops
BUD2:05 pmBudapest Ferenc Liszt Intl
$541
Find similar
United Airlines
Jan 17
BUD6:20 amBudapest Ferenc Liszt Intl
21h 53m
2 stops
STL9:13 pmLambert-St Louis
Jan 23
STL3:50 pmLambert-St Louis
12h 45m
1 stop
BUD11:35 amBudapest Ferenc Liszt Intl
$545
Find similar

British Airways flights from Budapest to St. Louis

Our best British Airways deals on Budapest to St. Louis flight tickets
British Airways
Jan 17
BUD7:40 amBudapest Ferenc Liszt Intl
17h 54m
2 stops
STL6:34 pmLambert-St Louis
Jan 23
STL3:54 pmLambert-St Louis
23h 06m
2 stops
BUD10:00 pmBudapest Ferenc Liszt Intl
$544
Find similar
British Airways
Dec 7
BUD6:55 amBudapest Ferenc Liszt Intl
23h 43m
2 stops
STL11:38 pmLambert-St Louis
Dec 14
STL5:15 amLambert-St Louis
34h 45m
2 stops
BUD11:00 pmBudapest Ferenc Liszt Intl
$1,551
Find similar

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 December 3, 2025.
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

Fri 2/6

6:25 am-3:29 pm

2 stops40h 04m

Lambert-St Louis

Sun 2/8

3:11 pm-2:05 pm

2 stops15h 54m

$540

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Fri 2/6

6:25 am-10:00 pm

2 stops22h 35m

Lambert-St Louis

Sun 2/8

1:15 pm-2:05 pm

2 stops17h 50m

$541

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Sat 1/17

7:40 am-6:34 pm

2 stops17h 54m

Lambert-St Louis

Fri 1/23

3:54 pm-10:00 pm

2 stops23h 06m

$544

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Sat 1/17

6:20 am-9:13 pm

2 stops21h 53m

Lambert-St Louis

Fri 1/23

3:50 pm-11:35 am

1 stop12h 45m

$545

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Sat 1/17

6:20 am-5:25 pm

2 stops18h 05m

Lambert-St Louis

Fri 1/23

3:50 pm-11:35 am

1 stop12h 45m

$546

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Sat 1/17

6:20 am-5:43 pm

3 stops18h 23m

Lambert-St Louis

Fri 1/23

4:05 pm-2:05 pm

2 stops15h 00m

$649

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Sat 1/17

6:20 am-7:27 pm

3 stops20h 07m

Lambert-St Louis

Fri 1/23

4:05 pm-2:05 pm

2 stops15h 00m

$650

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Sat 1/17

6:20 am-5:43 pm

3 stops18h 23m

Lambert-St Louis

Fri 1/23

4:05 pm-2:05 pm

2 stops15h 00m

$718

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Wed 1/7

10:15 am-8:58 pm

2 stops41h 43m

Lambert-St Louis

Sat 1/17

8:05 am-9:20 am

2 stops18h 15m

$857

BudapestSt. Louis

BUD - STL

BUDSTL

Budapest Ferenc Liszt Intl

Wed 1/7

10:00 am-7:27 pm

2 stops16h 27m

Lambert-St Louis

Sat 1/17

4:49 pm-9:10 pm

2 stops21h 21m

$869

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

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

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $594. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $715. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

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

You could potentially save up to 21% 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

22h 04m

Direct flights

None
The fastest flight from Budapest to St. Louis takes 22h 04m
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 14h 35m 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
9,063 reviews
Search United Airlines flights
LufthansaPriceFrom $698Free CancellationRating
6.8
7,603 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
O'Fallon
Florissant
Fenton
Wentzville
Collinsville
St. Peters
Alton
Farmington
Clayton
Festus
Glencoe
Edwardsville
Eureka
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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 1/2
Fri 1/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States