Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Budapest from $331

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 11/11. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Budapest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
1:30 pm - 7:05 pm
STL
-
BUD
22h 35m
2 stops
Scandinavian Airlines Logo
10:25 am - 11:39 pm
BUD
-
STL
20h 14m
2 stops
$694Scandinavian Airlines
Wed, Nov 4 - Wed, Nov 11
Scandinavian Airlines Logo
1:40 pm - 7:10 pm
STL
-
BUD
22h 30m
2 stops
Scandinavian Airlines Logo
10:25 am - 11:42 pm
BUD
-
STL
20h 17m
2 stops
$718Scandinavian Airlines
Sat, Sep 12 - Thu, Sep 24
Lufthansa Logo
3:40 pm - 1:40 pm
STL
-
BUD
15h 00m
1 stop
Lufthansa Logo
6:30 am - 1:45 pm
BUD
-
STL
14h 15m
1 stop
$751Lufthansa
Wed, Nov 4 - Wed, Nov 11
Lufthansa Logo
7:04 pm - 4:15 pm
STL
-
BUD
14h 11m
2 stops
Lufthansa Logo
6:30 am - 1:45 pm
BUD
-
STL
14h 15m
1 stop
$758Lufthansa
Wed, Nov 4 - Wed, Nov 11
Multiple Airlines Logo
4:05 pm - 5:55 pm
STL
-
BUD
18h 50m
2 stops
Multiple Airlines Logo
6:30 am - 1:45 pm
BUD
-
STL
14h 15m
1 stop
$759Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Lufthansa Logo
7:04 pm - 4:15 pm
STL
-
BUD
14h 11m
2 stops
Lufthansa Logo
7:55 am - 9:13 pm
BUD
-
STL
20h 18m
2 stops
$765Lufthansa
Wed, Nov 4 - Wed, Nov 11
Scandinavian Airlines Logo
12:00 pm - 7:10 pm
STL
-
BUD
24h 10m
2 stops
Scandinavian Airlines Logo
7:50 pm - 11:42 pm
BUD
-
STL
34h 52m
2 stops
$828Scandinavian Airlines
Fri, Sep 25 - Sun, Oct 4
Multiple Airlines Logo
10:25 am - 9:05 pm
STL
-
BUD
27h 40m
2 stops
Multiple Airlines Logo
8:20 am - 7:45 pm
BUD
-
STL
18h 25m
2 stops
$836Multiple Airlines
Wed, Sep 2 - Fri, Sep 11
Multiple Airlines Logo
9:35 pm - 12:10 am
STL
-
BUD
19h 35m
1 stop
Multiple Airlines Logo
11:10 am - 8:58 am
BUD
-
STL
28h 48m
2 stops
$839Multiple Airlines
Wed, Sep 30 - Sat, Nov 14
United Airlines Logo
8:55 am - 9:40 am
STL
-
BUD
17h 45m
1 stop
United Airlines Logo
1:20 pm - 8:46 pm
BUD
-
STL
38h 26m
2 stops
$843United Airlines
Tue, Aug 11 - Tue, Aug 18

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

Air Canada flights from St. Louis to Budapest

Our best Air Canada deals on St. Louis to Budapest flight tickets
Air Canada
Sep 1
STL7:25 amLambert-St Louis
19h 15m
2 stops
BUD9:40 amBudapest Ferenc Liszt Intl
Sep 9
BUD11:45 amBudapest Ferenc Liszt Intl
31h 12m
2 stops
STL11:57 amLambert-St Louis
$861
Air Canada
Aug 13
STL2:40 pmLambert-St Louis
12h 00m
1 stop
BUD9:40 amBudapest Ferenc Liszt Intl
Aug 20
BUD11:35 amBudapest Ferenc Liszt Intl
33h 27m
2 stops
STL2:02 pmLambert-St Louis
$879
Air Canada
Oct 23
STL2:40 pmLambert-St Louis
12h 00m
1 stop
BUD9:40 amBudapest Ferenc Liszt Intl
Oct 31
BUD1:20 pmBudapest Ferenc Liszt Intl
57h 06m
2 stops
STL4:26 pmLambert-St Louis
$881

Delta flights from St. Louis to Budapest

Our best Delta deals on St. Louis to Budapest flight tickets
Delta
Sep 29
STL5:30 pmLambert-St Louis
21h 55m
2 stops
BUD10:25 pmBudapest Ferenc Liszt Intl
Oct 7
BUD6:00 amBudapest Ferenc Liszt Intl
15h 45m
2 stops
STL2:45 pmLambert-St Louis
$867
Delta
Sep 27
STL5:30 pmLambert-St Louis
17h 20m
2 stops
BUD5:50 pmBudapest Ferenc Liszt Intl
Oct 7
BUD6:00 amBudapest Ferenc Liszt Intl
15h 45m
2 stops
STL2:45 pmLambert-St Louis
$927
Delta
Jul 7
STL3:57 pmLambert-St Louis
18h 53m
2 stops
BUD5:50 pmBudapest Ferenc Liszt Intl
Jul 31
BUD6:00 amBudapest Ferenc Liszt Intl
23h 15m
2 stops
STL10:15 pmLambert-St Louis
$1,182

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 July 2, 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 11/4

1:30 pm-7:05 pm

2 stops22h 35m

Budapest Ferenc Liszt Intl

Wed 11/11

10:25 am-11:39 pm

2 stops20h 14m

$694

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sat 9/12

1:40 pm-7:10 pm

2 stops22h 30m

Budapest Ferenc Liszt Intl

Thu 9/24

10:25 am-11:42 pm

2 stops20h 17m

$718

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 11/4

3:40 pm-1:40 pm

1 stop15h 00m

Budapest Ferenc Liszt Intl

Wed 11/11

6:30 am-1:45 pm

1 stop14h 15m

$751
Quickest round-trip

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 11/4

7:04 pm-4:15 pm

2 stops14h 11m

Budapest Ferenc Liszt Intl

Wed 11/11

6:30 am-1:45 pm

1 stop14h 15m

$758

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 11/4

4:05 pm-5:55 pm

2 stops18h 50m

Budapest Ferenc Liszt Intl

Wed 11/11

6:30 am-1:45 pm

1 stop14h 15m

$759

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 11/4

7:04 pm-4:15 pm

2 stops14h 11m

Budapest Ferenc Liszt Intl

Wed 11/11

7:55 am-9:13 pm

2 stops20h 18m

$765

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Fri 9/25

12:00 pm-7:10 pm

2 stops24h 10m

Budapest Ferenc Liszt Intl

Sun 10/4

7:50 pm-11:42 pm

2 stops34h 52m

$828

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 9/2

10:25 am-9:05 pm

2 stops27h 40m

Budapest Ferenc Liszt Intl

Fri 9/11

8:20 am-7:45 pm

2 stops18h 25m

$836

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 9/30

9:35 pm-12:10 am

1 stop19h 35m

Budapest Ferenc Liszt Intl

Sat 11/14

11:10 am-8:58 am

2 stops28h 48m

$839

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 8/11

8:55 am-9:40 am

1 stop17h 45m

Budapest Ferenc Liszt Intl

Tue 8/18

1:20 pm-8:46 pm

2 stops38h 26m

$843

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

What is the cheapest month to fly to Budapest?

The cheapest month to fly to Budapest from St. Louis is in February. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Budapest, with average flight prices from St. Louis averaging around $616.

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

You could potentially save up to 22% 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

12h 00m

Direct flights

None
The fastest flight from St. Louis to Budapest takes 12h 00m
There are no direct flights from St. Louis to Budapest. There are no popular flight routes from St. Louis to Budapest.
Search flight deals

Frequently asked questions about flying from St. Louis to Budapest

  • 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 00m.

  • 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
8,108 reviews
Search Lufthansa flights
United AirlinesPriceFrom $562Free CancellationRating
7.4
9,926 reviews
Search United Airlines flights
British AirwaysPriceFrom $825Free CancellationRating
6.7
8,088 reviews
Search British Airways 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.

An easier way to manage your Budapest 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
Sat 8/1
Sat 8/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Hungary

Airports servicing Hungary

Debrecen Airport
Miskolc Airport