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Cheap flights from St. Louis to Budapest from $358

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 3/6. 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.
Multiple Airlines Logo
4:05 pm - 10:45 pm
STL
-
BUD
23h 40m2 stops
Multiple Airlines Logo
8:00 pm - 3:29 pm
BUD
-
STL
50h 29m2 stops
$552Multiple Airlines
Mon, Feb 9 - Mon, Feb 16
British Airways Logo
12:11 pm - 11:30 am
STL
-
BUD
16h 19m2 stops
British Airways Logo
8:10 pm - 6:11 pm
BUD
-
STL
29h 01m2 stops
$554British Airways
Tue, Feb 10 - Tue, Feb 17
United Airlines Logo
9:55 am - 12:35 pm
STL
-
BUD
19h 40m2 stops
United Airlines Logo
6:20 am - 1:55 pm
BUD
-
STL
14h 35m1 stop
$558United Airlines
Wed, Feb 25 - Sun, Mar 1
Delta Logo
11:30 am - 4:25 pm
STL
-
BUD
21h 55m2 stops
Delta Logo
6:30 am - 4:42 pm
BUD
-
STL
17h 12m2 stops
$567Delta
Sat, Feb 14 - Sat, Feb 21
United Airlines Logo
2:45 pm - 4:15 pm
STL
-
BUD
18h 30m2 stops
United Airlines Logo
6:20 am - 8:23 pm
BUD
-
STL
21h 03m2 stops
$568United Airlines
Wed, Feb 25 - Sun, Mar 1
Lufthansa Logo
3:30 pm - 10:55 am
STL
-
BUD
12h 25m1 stop
Lufthansa Logo
2:25 pm - 1:25 pm
BUD
-
STL
30h 00m1 stop
$608Lufthansa
Wed, Apr 1 - Tue, Apr 7
British Airways Logo
10:00 pm - 1:00 am
STL
-
BUD
20h 00m1 stop
British Airways Logo
7:25 am - 7:30 pm
BUD
-
STL
19h 05m1 stop
$750British Airways
Tue, May 12 - Tue, May 19
British Airways Logo
10:00 pm - 8:05 pm
STL
-
BUD
15h 05m1 stop
British Airways Logo
7:25 am - 7:30 pm
BUD
-
STL
19h 05m1 stop
$751British Airways
Tue, May 12 - Tue, May 19
Lufthansa Logo
6:40 pm - 9:10 pm
STL
-
BUD
19h 30m2 stops
Lufthansa Logo
6:20 am - 10:58 pm
BUD
-
STL
23h 38m2 stops
$753Lufthansa
Fri, Jan 16 - Sun, Jan 25
Lufthansa Logo
3:50 pm - 11:35 am
STL
-
BUD
12h 45m1 stop
Lufthansa Logo
6:20 am - 1:55 pm
BUD
-
STL
14h 35m1 stop
$762Lufthansa
Fri, Jan 16 - Sun, Jan 25

Lufthansa flights from St. Louis to Budapest

Our best Lufthansa deals on St. Louis to Budapest flight tickets
Lufthansa
Apr 1
STL3:30 pmLambert-St Louis
12h 25m
1 stop
BUD10:55 amBudapest Ferenc Liszt Intl
Apr 7
BUD2:25 pmBudapest Ferenc Liszt Intl
30h 00m
1 stop
STL1:25 pmLambert-St Louis
$608
Find similar
Lufthansa
Jan 16
STL6:40 pmLambert-St Louis
19h 30m
2 stops
BUD9:10 pmBudapest Ferenc Liszt Intl
Jan 25
BUD6:20 amBudapest Ferenc Liszt Intl
14h 35m
1 stop
STL1:55 pmLambert-St Louis
$748
Find similar
Lufthansa
Jan 16
STL6:40 pmLambert-St Louis
19h 30m
2 stops
BUD9:10 pmBudapest Ferenc Liszt Intl
Jan 25
BUD6:20 amBudapest Ferenc Liszt Intl
23h 38m
2 stops
STL10:58 pmLambert-St Louis
$753
Find similar

British Airways flights from St. Louis to Budapest

Our best British Airways deals on St. Louis to Budapest flight tickets
British Airways
Feb 10
STL12:11 pmLambert-St Louis
16h 19m
2 stops
BUD11:30 amBudapest Ferenc Liszt Intl
Feb 17
BUD8:10 pmBudapest Ferenc Liszt Intl
29h 01m
2 stops
STL6:11 pmLambert-St Louis
$554
Find similar
British Airways
May 12
STL10:00 pmLambert-St Louis
20h 00m
1 stop
BUD1:00 amBudapest Ferenc Liszt Intl
May 19
BUD7:25 amBudapest Ferenc Liszt Intl
19h 05m
1 stop
STL7:30 pmLambert-St Louis
$750
Find similar
British Airways
May 12
STL10:00 pmLambert-St Louis
12h 35m
1 stop
BUD5:35 pmBudapest Ferenc Liszt Intl
May 19
BUD6:20 pmBudapest Ferenc Liszt Intl
32h 10m
1 stop
STL7:30 pmLambert-St Louis
$751
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 December 28, 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

Mon 2/9

4:05 pm-10:45 pm

2 stops23h 40m

Budapest Ferenc Liszt Intl

Mon 2/16

8:00 pm-3:29 pm

2 stops50h 29m

$552

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 2/10

12:11 pm-11:30 am

2 stops16h 19m

Budapest Ferenc Liszt Intl

Tue 2/17

8:10 pm-6:11 pm

2 stops29h 01m

$554

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 2/25

9:55 am-12:35 pm

2 stops19h 40m

Budapest Ferenc Liszt Intl

Sun 3/1

6:20 am-1:55 pm

1 stop14h 35m

$558

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sat 2/14

11:30 am-4:25 pm

2 stops21h 55m

Budapest Ferenc Liszt Intl

Sat 2/21

6:30 am-4:42 pm

2 stops17h 12m

$567

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 2/25

2:45 pm-4:15 pm

2 stops18h 30m

Budapest Ferenc Liszt Intl

Sun 3/1

6:20 am-8:23 pm

2 stops21h 03m

$568

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 4/1

3:30 pm-10:55 am

1 stop12h 25m

Budapest Ferenc Liszt Intl

Tue 4/7

2:25 pm-1:25 pm

1 stop30h 00m

$608

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 5/12

10:00 pm-1:00 am

1 stop20h 00m

Budapest Ferenc Liszt Intl

Tue 5/19

7:25 am-7:30 pm

1 stop19h 05m

$750

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 5/12

10:00 pm-8:05 pm

1 stop15h 05m

Budapest Ferenc Liszt Intl

Tue 5/19

7:25 am-7:30 pm

1 stop19h 05m

$751

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Fri 1/16

6:40 pm-9:10 pm

2 stops19h 30m

Budapest Ferenc Liszt Intl

Sun 1/25

6:20 am-10:58 pm

2 stops23h 38m

$753

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Fri 1/16

3:50 pm-11:35 am

1 stop12h 45m

Budapest Ferenc Liszt Intl

Sun 1/25

6:20 am-1:55 pm

1 stop14h 35m

$762

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 December is another great option to travel to Budapest, with average flight prices from St. Louis averaging around $686.

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 35% 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

15h 05m

Direct flights

None
The fastest flight from St. Louis to Budapest takes 15h 05m
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 15h 05m.

  • 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
7,658 reviews
Search Lufthansa flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
9,113 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