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$488+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BUD
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$815
(oojo)

One-way from

$488
(oojo)

Popular in

June

Cheapest in

February

Average price

$1,106
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. 15% potential increase in price ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/142:01 pmSTL - BUD
2 stops28h 14mBritish Airways
Sat 9/206:00 pmBUD - STL
2 stops29h 10mBritish Airways
Deal found 4/29$815
This Gurufare deal was found by Cheapflights users on 4/29. 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.
Sun 9/145:30 pmSTL - BUD
2 stops16h 20mLufthansa
Sat 9/207:05 pmBUD - STL
1 stop25h 25mLufthansa
Deal found 4/29$834
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/194:05 pmSTL - BUD
2 stops33h 40mMultiple Airlines
Fri 10/241:25 pmBUD - STL
2 stops56h 30mMultiple Airlines
Deal found 4/29$952
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/311:29 pmSTL - BUD
2 stops20h 01mDelta
Wed 8/66:20 amBUD - STL
2 stops21h 16mDelta
Deal found 4/28$1,164
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/313:20 pmSTL - BUD
2 stops15h 45mUnited Airlines
Wed 8/66:10 amBUD - STL
1 stop14h 20mUnited Airlines
Deal found 4/28$1,608
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:30 amSTL - BUD
2 stops18h 30mTurkish Airlines
Sun 5/48:30 pmBUD - STL
2 stops25h 17mTurkish Airlines
Deal found 4/29$1,667

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 April 30, 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 9/14

2:01 pm-1:15 am

2 stops28h 14m

Budapest Ferenc Liszt Intl

Sat 9/20

6:00 pm-4:10 pm

2 stops29h 10m

$815

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sun 9/14

5:30 pm-4:50 pm

2 stops16h 20m

Budapest Ferenc Liszt Intl

Sat 9/20

7:05 pm-1:30 pm

1 stop25h 25m

$834

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sun 10/19

4:05 pm-8:45 am

2 stops33h 40m

Budapest Ferenc Liszt Intl

Fri 10/24

1:25 pm-2:55 pm

2 stops56h 30m

$952

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Thu 7/31

1:29 pm-4:30 pm

2 stops20h 01m

Budapest Ferenc Liszt Intl

Wed 8/6

6:20 am-8:36 pm

2 stops21h 16m

$1,164

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Thu 7/31

3:20 pm-2:05 pm

2 stops15h 45m

Budapest Ferenc Liszt Intl

Wed 8/6

6:10 am-1:30 pm

1 stop14h 20m

$1,608

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 9/3

7:59 pm-12:15 am

2 stops21h 16m

$488

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sun 8/31

4:52 pm-11:50 am

2 stops35h 58m

$499

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Sun 8/31

1:30 pm-8:45 am

2 stops36h 15m

$503

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 9/3

3:30 pm-6:20 pm

1 stop19h 50m

$508

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Thu 6/12

8:10 am-7:35 pm

2 stops28h 25m

$662

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Budapest flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 $656). Flying from St. Louis to Budapest in June is currently the most expensive (average of $1,181). 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 April 30, 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 17% on airfare.

Rainfall in Budapest by month

Plan your trip to Budapest by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Budapest ranges from 1.2 - 2.8 inches per month. May is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Budapest when rainfall is around 1.2 in.

Temperature in Budapest by month

Plan your trip to Budapest by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Budapest, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 April 30, 2025.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,788 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,242 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,076 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Currently priced at $815, British Airways will fly you from St. Louis to Budapest and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and Delta - these airlines can fly you to your destination from $834 and $1,164, respectively. Users have found that British Airways is 23% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from St. Louis to Budapest one-way?

    One-way options have recently been found by users for as low as $488 on British Airways. Other airlines that offer cheap prices include Aer Lingus from $499 and Air Canada from $503 one-way.

  • 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 $656). Flying from St. Louis to Budapest in June is currently the most expensive (average of $1,181). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Szeged

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Alternative routes for St. Louis to Budapest

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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$781Average$1,096FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$809Average$1,033FlexibilityNo cancel feeOn-time69%

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