$738+ Cheap flights from St. Louis (STL) to Budapest (BUD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BUD
Nov 1 — Nov 81
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Budapest with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Budapest
Cheapest
Best
Last-minute
Cheapest flights from St. Louis to BudapestExplore 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 October 2, 2026.
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 October 2, 2026.
This Expedia deal was found by Cheapflights users on 9/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/316:58 pm -
2 stops19h 22m
Thu 1/72:25 pm -
2 stops32h 01m
Deal found 9/27![Multiple Airlines logo]()
$829
This Air Canada deal was found by Cheapflights users on 9/27. 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.
Thu 12/3110:45 am -
3 stops19h 55m
Thu 1/710:00 am -
3 stops18h 47m
Deal found 9/27![Air Canada logo]()
$886
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Sat 10/244:50 pm -
2 stops39h 10m
Sat 10/311:30 pm -
2 stops39h 56m
Deal found 9/26![United Airlines logo]()
$896
This Expedia deal was found by Cheapflights users on 9/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/316:58 pm -
2 stops19h 22m
Thu 1/72:25 pm -
1 stop30h 20m
Deal found 9/27![Lufthansa logo]()
$1,029
This FlightHub deal was found by Cheapflights users on 9/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:40 pm -
1 stop19h 10m
Sun 11/292:25 pm -
2 stops56h 01m
Deal found 9/28![Multiple Airlines logo]()
$1,172
This Air Canada deal was found by Cheapflights users on 9/26. 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.
Sat 10/242:40 pm -
2 stops17h 30m
Sat 10/3110:00 am -
3 stops19h 24m
Deal found 9/26![Air Canada logo]()
$1,274
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:40 pm -
1 stop12h 00m
Mon 10/59:45 am -
2 stops41h 35m
Deal found 9/29![Multiple Airlines logo]()
$1,524
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:40 pm -
1 stop12h 00m
Mon 10/52:10 pm -
1 stop30h 15m
Deal found 9/29![Lufthansa logo]()
$1,541
Best flights from St. Louis to BudapestDiscover carefully curated flight deals from St. Louis to Budapest that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2026.
Discover carefully curated flight deals from St. Louis to Budapest that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2026.
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Wed 2/1011:45 am -
2 stops17h 55m
Fri 2/126:40 am -
1 stop14h 05m
Deal found 9/27![United Airlines logo]()
$738
Last-minute flights from St. Louis to BudapestDiscover last-minute flight deals from St. Louis to Budapest. Data last updated October 2, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Budapest. Data last updated October 2, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:40 pm -
1 stop12h 00m
Mon 10/59:45 am -
2 stops41h 35m
Deal found 9/29![Multiple Airlines logo]()
$1,524
This KAYAK deal was found by Cheapflights users on 9/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:40 pm -
1 stop12h 00m
Mon 10/52:10 pm -
1 stop30h 15m
Deal found 9/29![Lufthansa logo]()
$1,541
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Sat 10/244:50 pm -
2 stops39h 10m
Sat 10/311:30 pm -
2 stops39h 56m
Deal found 9/26![United Airlines logo]()
$896
This Air Canada deal was found by Cheapflights users on 9/26. 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.
Sat 10/242:40 pm -
2 stops17h 30m
Sat 10/3110:00 am -
3 stops19h 24m
Deal found 9/26![Air Canada logo]()
$1,274
This FlightHub deal was found by Cheapflights users on 9/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:40 pm -
1 stop19h 10m
Sun 11/292:25 pm -
2 stops56h 01m
Deal found 9/28![Multiple Airlines logo]()
$1,172
This KAYAK deal was found by Cheapflights users on 9/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:40 pm -
1 stop19h 10m
Sun 11/296:40 am -
1 stop14h 05m
Deal found 9/28![Lufthansa logo]()
$1,683
This Arangrant deal was found by Cheapflights users on 9/27. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3011:29 am -
2 stops27h 26m
Mon 12/148:00 pm -
2 stops28h 05m
Deal found 9/27![Multiple Airlines logo]()
$1,899
This Ovago deal was found by Cheapflights users on 9/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:03 am -
2 stops18h 27m
Mon 12/1411:10 am -
2 stops38h 23m
Deal found 9/28![Iberia logo]()
$1,918
Find 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 October 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $738 (United Airlines) |
Popular in | June |
Cheapest in | October |
Average price | $634 |
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 7,457,451 searches. Data last updated October 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
Cheapest round-trip
Quickest round-trip
St. LouisBudapest
STL Lambert-St Louis - BUD Budapest Ferenc Liszt Intl
STLBUD
Lambert-St Louis
Wed 2/10
11:45 am-12:40 pm
2 stops17h 55m
Budapest Ferenc Liszt Intl
Fri 2/12
6:40 am-1:45 pm
1 stop14h 05m
$738
Sorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Budapest flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Budapest flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
STL-BUD
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
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 October 2, 2026.
See what other customers who have flown with United Airlines,Lufthansa, andBritish Airways 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.
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
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Book flights to Budapest if you plan to visit one of these locationsSiófok
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Other flights to Budapest
Explore flights to Budapest departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 2, 2026.
Complete your trip
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St. Louis and Budapest flights
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Other flights from St. Louis
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from St. Louis to Budapest
Discover the top 3 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 7,457,451 searches. Data last updated October 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$468 | Average$900 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$578 | Average$864 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$825 | Average$912 | FlexibilityNo cancel fee | On-time70% |