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Cheap flights from St. Louis to Budapest from $286

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 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
9:59 am - 9:40 amSTL-BUD
40h 41m2 stops
Scandinavian Airlines Logo
7:50 pm - 11:38 pmBUD-STL
34h 48m2 stops
$530Scandinavian Airlines
Find Deal
sáb., ene. 10 - sáb., may. 16
Lufthansa Logo
6:42 pm - 4:15 pmSTL-BUD
14h 33m2 stops
Lufthansa Logo
6:05 am - 11:42 pmBUD-STL
24h 37m2 stops
$553Lufthansa
Find Deal
mar., dic. 2 - mar., dic. 9
United Airlines Logo
1:35 pm - 5:45 pmSTL-BUD
21h 10m2 stops
United Airlines Logo
7:55 am - 3:29 pmBUD-STL
38h 34m2 stops
$575United Airlines
Find Deal
mié., dic. 3 - mié., dic. 10
United Airlines Logo
6:42 pm - 6:05 pmSTL-BUD
16h 23m2 stops
United Airlines Logo
9:40 am - 10:07 amBUD-STL
31h 27m2 stops
$585United Airlines
Find Deal
vie., dic. 5 - sáb., dic. 13
Lufthansa Logo
6:43 pm - 4:15 pmSTL-BUD
14h 32m2 stops
Lufthansa Logo
6:20 am - 1:55 pmBUD-STL
14h 35m1 stop
$591Lufthansa
Find Deal
vie., nov. 28 - mié., dic. 3
British Airways Logo
10:00 pm - 12:15 amSTL-BUD
19h 15m1 stop
British Airways Logo
7:25 am - 7:30 pmBUD-STL
19h 05m1 stop
$595British Airways
Find Deal
mié., abr. 22 - mar., abr. 28
Finnair Logo
10:00 pm - 11:20 amSTL-BUD
30h 20m2 stops
Finnair Logo
6:25 pm - 6:17 pmBUD-STL
30h 52m2 stops
$614Finnair
Find Deal
mié., abr. 22 - mar., abr. 28
British Airways Logo
12:06 pm - 12:15 amSTL-BUD
29h 09m2 stops
British Airways Logo
7:25 am - 7:30 pmBUD-STL
19h 05m1 stop
$636British Airways
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mié., abr. 22 - mar., abr. 28
Multiple Airlines Logo
6:06 pm - 12:35 pmSTL-BUD
35h 29m2 stops
Multiple Airlines Logo
7:15 pm - 1:30 pmBUD-STL
25h 15m1 stop
$662Multiple Airlines
Find Deal
sáb., ene. 10 - sáb., may. 16
Multiple Airlines Logo
3:30 pm - 11:30 pmSTL-BUD
25h 00m2 stops
Multiple Airlines Logo
1:00 pm - 1:30 pmBUD-STL
31h 30m3 stops
$1,027Multiple Airlines
Find Deal
mié., abr. 22 - mar., abr. 28

British Airways flights from St. Louis to Budapest

Our best British Airways deals on St. Louis to Budapest flight tickets
British Airways
Apr 22
STL10:00 pmLambert-St Louis
19h 15m
1 stop
BUD12:15 amBudapest Ferenc Liszt Intl
Apr 28
BUD7:25 amBudapest Ferenc Liszt Intl
19h 05m
1 stop
STL7:30 pmLambert-St Louis
$595
Find similar
British Airways
Apr 22
STL12:06 pmLambert-St Louis
29h 09m
2 stops
BUD12:15 amBudapest Ferenc Liszt Intl
Apr 28
BUD7:25 amBudapest Ferenc Liszt Intl
19h 05m
1 stop
STL7:30 pmLambert-St Louis
$636
Find similar

Lufthansa flights from St. Louis to Budapest

Our best Lufthansa deals on St. Louis to Budapest flight tickets
Lufthansa
Dec 2
STL6:42 pmLambert-St Louis
14h 33m
2 stops
BUD4:15 pmBudapest Ferenc Liszt Intl
Dec 9
BUD6:05 amBudapest Ferenc Liszt Intl
24h 37m
2 stops
STL11:42 pmLambert-St Louis
$553
Find similar
Lufthansa
Nov 28
STL6:43 pmLambert-St Louis
14h 32m
2 stops
BUD4:15 pmBudapest Ferenc Liszt Intl
Dec 3
BUD6:20 amBudapest Ferenc Liszt Intl
14h 35m
1 stop
STL1:55 pmLambert-St Louis
$591
Find similar
Lufthansa
Dec 3
STL6:42 pmLambert-St Louis
14h 33m
2 stops
BUD4:15 pmBudapest Ferenc Liszt Intl
Dec 10
BUD6:20 amBudapest Ferenc Liszt Intl
14h 35m
1 stop
STL1:55 pmLambert-St Louis
$617
Find similar

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 noviembre 4, 2025.
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

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

sáb. 1/10

9:59 am-9:40 am

2 stops40h 41m

Budapest Ferenc Liszt Intl

sáb. 5/16

7:50 pm-11:38 pm

2 stops34h 48m

$530

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

mar. 12/2

6:42 pm-4:15 pm

2 stops14h 33m

Budapest Ferenc Liszt Intl

mar. 12/9

6:05 am-11:42 pm

2 stops24h 37m

$553

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

mié. 12/3

1:35 pm-5:45 pm

2 stops21h 10m

Budapest Ferenc Liszt Intl

mié. 12/10

7:55 am-3:29 pm

2 stops38h 34m

$575

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

vie. 12/5

6:42 pm-6:05 pm

2 stops16h 23m

Budapest Ferenc Liszt Intl

sáb. 12/13

9:40 am-10:07 am

2 stops31h 27m

$585

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

vie. 11/28

6:43 pm-4:15 pm

2 stops14h 32m

Budapest Ferenc Liszt Intl

mié. 12/3

6:20 am-1:55 pm

1 stop14h 35m

$591

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

mié. 4/22

10:00 pm-12:15 am

1 stop19h 15m

Budapest Ferenc Liszt Intl

mar. 4/28

7:25 am-7:30 pm

1 stop19h 05m

$595

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

mié. 4/22

10:00 pm-11:20 am

2 stops30h 20m

Budapest Ferenc Liszt Intl

mar. 4/28

6:25 pm-6:17 pm

2 stops30h 52m

$614

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

mié. 4/22

12:06 pm-12:15 am

2 stops29h 09m

Budapest Ferenc Liszt Intl

mar. 4/28

7:25 am-7:30 pm

1 stop19h 05m

$636

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

sáb. 1/10

6:06 pm-12:35 pm

2 stops35h 29m

Budapest Ferenc Liszt Intl

sáb. 5/16

7:15 pm-1:30 pm

1 stop25h 15m

$662

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

mié. 4/22

3:30 pm-11:30 pm

2 stops25h 00m

Budapest Ferenc Liszt Intl

mar. 4/28

1:00 pm-1:30 pm

3 stops31h 30m

$1,027

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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 $616, 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.

What is the cheapest day to depart on your flight to Budapest?

The cheapest day to depart on your flight to Budapest is on a Monday when prices can be found for as low as $987. This is often the case because there is less demand to fly during this day of the week. Flights from St. Louis to Budapest on a Sunday will generally be more expensive and average around $1,139. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Budapest?

In the evening is the cheapest time of day to fly from St. Louis to Budapest when you can find flight prices for as low as $917. Flying to Budapest in the evening is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $1,098.

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

You could potentially save up to 19% 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

Direct flights

None
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 12h 45m.

  • 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 $517Free CancellationRating
6.8
7,552 reviews
Search Lufthansa flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
9,002 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