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$538+ Cheap flights from St. Louis (STL) to Budapest (BUD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BUD
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from St. Louis to Budapest

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Budapest (BUD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$710
(Booking.com)

One-way from

$542
(Thrive Travel)

Popular in

June

Cheapest in

October

Average price

$712
Provider with most accurate pricing for Lambert-St Louis-Budapest Ferenc Liszt Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Budapest Ferenc Liszt Intl flights.
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From Lambert-St Louis to Budapest Ferenc Liszt Intl
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One-way flight from Lambert-St Louis to Budapest Ferenc Liszt Intl
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Highest demand for flights based on searches. 23% potential increase in price ($305 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from St. Louis to Budapest

Cheapest flights from St. Louis to Budapest
Explore the most affordable flight options available from St. Louis to Budapest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:43 pmSTL - BUD
2 stops21h 32mLufthansa
Thu 12/116:20 amBUD - STL
2 stops24h 22mLufthansa
Deal found 11/10$753
This Air Canada deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/264:05 pmSTL - BUD
2 stops18h 40mAir Canada
Thu 12/1110:05 amBUD - STL
3 stops19h 40mAir Canada
Deal found 11/10$967
This Gurufare deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/123:38 pmSTL - BUD
2 stops35h 37mAer Lingus
Fri 12/1210:55 amBUD - STL
2 stops20h 04mAer Lingus
Deal found 11/11$1,155
This Ovago deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:43 pmSTL - BUD
2 stops14h 32mLufthansa
Fri 12/126:25 amBUD - STL
1 stop14h 30mLufthansa
Deal found 11/11$1,598
This Air Canada deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:05 pmSTL - BUD
2 stops23h 40mMultiple Airlines
Fri 12/126:25 amBUD - STL
3 stops22h 15mMultiple Airlines
Deal found 11/11$1,704
This Trip.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1812:49 pmSTL - BUD
2 stops15h 51mMultiple Airlines
Sun 12/286:30 amBUD - STL
2 stops17h 31mMultiple Airlines
Deal found 11/11$2,084

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from St. Louis to Budapest that are best for you.

Fly from

St. Louis

Fly to

Budapest

Route

Depart

Return

Price

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sun 1/4

3:50 pm-11:35 am

1 stop12h 45m

Budapest Ferenc Liszt Intl

Tue 1/13

10:05 am-11:59 pm

2 stops20h 54m

$710

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sun 1/4

3:50 pm-9:10 pm

2 stops22h 20m

Budapest Ferenc Liszt Intl

Tue 1/13

2:55 pm-3:29 pm

2 stops55h 34m

$738

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sun 1/4

3:50 pm-1:35 pm

1 stop14h 45m

Budapest Ferenc Liszt Intl

Tue 1/13

10:05 am-1:55 pm

1 stop34h 50m

$745

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 11/26

6:43 pm-11:15 pm

2 stops21h 32m

Budapest Ferenc Liszt Intl

Thu 12/11

6:20 am-11:42 pm

2 stops24h 22m

$753

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Fri 3/27

4:05 pm-12:35 pm

2 stops14h 30m

Budapest Ferenc Liszt Intl

Tue 3/31

6:35 am-3:24 pm

2 stops15h 49m

$816

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Fri 3/27

4:05 pm-9:10 pm

2 stops23h 05m

Budapest Ferenc Liszt Intl

Tue 3/31

9:25 am-9:03 pm

2 stops18h 38m

$816

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 11/26

4:05 pm-5:45 pm

2 stops18h 40m

Budapest Ferenc Liszt Intl

Thu 12/11

10:05 am-10:45 pm

3 stops19h 40m

$967

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Fri 3/20

4:50 pm-1:50 pm

1 stop15h 00m

$538

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Fri 3/20

2:21 pm-4:10 pm

2 stops19h 49m

$549

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 3/31

7:00 am-5:10 pm

3 stops51h 10m

$1,463

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 11 results
1
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Compare providers for flights from St. Louis to Budapest

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Budapest in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Budapest flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Budapest flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Budapest flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Budapest flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Budapest flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Budapest

Have a flexible travel schedule? Discover the best time to fly to Budapest from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Budapest

What is the cheapest month to book a flight from St. Louis to Budapest?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Budapest (average of $517). Flying from St. Louis to Budapest in June is currently the most expensive (average of $1,280). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to BUD?

Find hourly flight availability from St. Louis to Budapest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

One of the essential ways to save on airfare from St. Louis to Budapest is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 16% on airfare.

Reviews of airlines servicing Budapest

Get insights into the airlines that provide service to Budapest. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Budapest. Reviews last updated November 13, 2025.
See what other customers who have flown with United Airlines and Lufthansa from St. Louis to Budapest have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,017 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,017 reviews
United Airlines
7.4
Good
9,017 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,572 reviews
United Airlines
7.4
Good
9,017 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Budapest. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from St. Louis to Budapest?

    For as low as $710, Lufthansa can have you in Budapest from St. Louis in 12h 45m. The distance from St. Louis to Budapest is about 5076 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Budapest round-trip?

    Currently priced at $517, Lufthansa will fly you from St. Louis to Budapest and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $578. Users have found that Lufthansa is 47% cheaper than the other options available to this destination.

  • Can I find deals for flights from St. Louis to Budapest that include hotel bookings?

    Yes. In addition to deals on St. Louis to Budapest flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Budapest?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Budapest.

  • Can I find deals for business class flights from St. Louis to Budapest?

    Yes. Cheapflights offers flight deals from St. Louis to Budapest by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Budapest?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Budapest (average of $517). Flying from St. Louis to Budapest in June is currently the most expensive (average of $1,280). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Budapest

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from St. Louis to Budapest

Discover the top 2 airlines that operate flights from St. Louis to Budapest. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$517Average$1,117FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$578Average$1,102FlexibilityNo cancel feeOn-time69%

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