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$253+ Cheap flights from Illinois 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUD
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from Illinois to Budapest

Cheapest flights from Illinois to Budapest
Explore the most affordable flight options available from Illinois to Budapest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This KAYAK deal was found by Cheapflights users on 11/30. 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.
Mon 12/296:10 pmORD - BUD
2 stops45h 35mSWISS
Mon 1/262:55 pmBUD - ORD
2 stops28h 15mSWISS
Deal found 11/30$539
This KAYAK deal was found by Cheapflights users on 11/30. 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.
Mon 12/296:10 pmORD - BUD
2 stops45h 35mSWISS
Wed 1/212:55 pmBUD - ORD
2 stops30h 15mSWISS
Deal found 11/30$542
This KAYAK deal was found by Cheapflights users on 12/1. 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.
Mon 12/85:50 pmORD - BUD
2 stops18h 20mSWISS
Sun 1/118:00 pmBUD - ORD
2 stops49h 10mSWISS
Deal found 12/1$543
This KAYAK deal was found by Cheapflights users on 11/30. 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.
Mon 12/296:10 pmORD - BUD
2 stops45h 35mSWISS
Sun 1/258:00 pmBUD - ORD
1 stop27h 20mSWISS
Deal found 11/30$552
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 12/106:35 pmORD - BUD
2 stops31h 40mLufthansa
Mon 12/1512:20 pmBUD - ORD
1 stop14h 45mLufthansa
Deal found 12/2$554
This KAYAK deal was found by Cheapflights users on 12/1. 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.
Mon 12/84:20 pmORD - BUD
1 stop22h 35mAustrian Airlines
Sat 1/1011:00 amBUD - ORD
2 stops56h 45mAustrian Airlines
Deal found 12/1$555
This KAYAK deal was found by Cheapflights users on 12/1. 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.
Mon 12/84:20 pmORD - BUD
1 stop11h 05mAustrian Airlines
Fri 1/95:50 pmBUD - ORD
2 stops48h 10mAustrian Airlines
Deal found 12/1$564
This KAYAK deal was found by Cheapflights users on 12/1. 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.
Sun 12/77:20 pmORD - BUD
1 stop31h 20mScandinavian Airlines
Sun 1/1110:25 amBUD - ORD
1 stop13h 30mScandinavian Airlines
Deal found 12/1$565
This KAYAK deal was found by Cheapflights users on 12/1. 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.
Mon 12/85:50 pmORD - BUD
2 stops21h 55mSWISS
Sat 1/102:55 pmBUD - ORD
2 stops53h 50mSWISS
Deal found 12/1$566
This KAYAK deal was found by Cheapflights users on 12/1. 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.
Sun 12/149:05 pmORD - BUD
2 stops42h 40mSWISS
Tue 1/136:15 amBUD - ORD
1 stop13h 30mSWISS
Deal found 12/1$568
This KAYAK deal was found by Cheapflights users on 11/30. 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.
Mon 12/296:10 pmORD - BUD
2 stops45h 35mSWISS
Sat 1/249:40 amBUD - ORD
2 stops33h 30mSWISS
Deal found 11/30$571
This Delta deal was found by Cheapflights users on 11/30. 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.
Mon 12/296:08 pmMDW - BUD
2 stops20h 32mDelta
Tue 1/2012:40 pmBUD - MDW
2 stops27h 12mDelta
Deal found 11/30$752

Find flight deals from Illinois to Budapest

Keep the following information in mind while searching for Illinois to Budapest flight deals. Data was last updated December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$495
(Kiwi.com)

One-way from

$253
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$755
Provider with most accurate pricing for Chicago (CHI)-Budapest Ferenc Liszt Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Budapest Ferenc Liszt Intl flights.
Search Deals
From Illinois to Budapest Ferenc Liszt Intl
Search Deals
One-way flight from Illinois to Budapest Ferenc Liszt Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 December 3, 2025.
Use the filters below to find and compare flights from Illinois to Budapest that are best for you.

Fly from

Illinois

Fly to

Budapest

Route

Depart

Return

Price

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Fri 1/16

3:50 pm-11:35 am

1 stop12h 45m

Budapest Ferenc Liszt Intl

Fri 1/23

1:20 pm-11:59 pm

2 stops17h 39m

$495

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 4/15

11:14 am-5:00 pm

2 stops22h 46m

Budapest Ferenc Liszt Intl

Wed 4/22

7:45 am-11:24 pm

2 stops22h 39m

$524

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Mon 4/6

2:00 pm-5:10 pm

2 stops20h 10m

Budapest Ferenc Liszt Intl

Mon 4/13

5:40 pm-11:24 pm

2 stops36h 44m

$524

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Mon 4/13

11:25 am-12:40 pm

2 stops18h 15m

Budapest Ferenc Liszt Intl

Fri 4/24

5:55 am-1:30 pm

1 stop14h 35m

$525

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 5/12

10:00 pm-1:00 am

1 stop20h 00m

Budapest Ferenc Liszt Intl

Mon 5/18

5:40 pm-7:30 pm

1 stop32h 50m

$533

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Mon 4/13

4:00 pm-5:50 pm

2 stops18h 50m

Budapest Ferenc Liszt Intl

Thu 4/23

11:25 am-11:01 pm

2 stops18h 36m

$534

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 4/14

9:00 am-11:45 am

2 stops19h 45m

Budapest Ferenc Liszt Intl

Wed 4/22

6:00 am-8:31 pm

2 stops21h 31m

$534

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Mon 4/13

4:00 pm-5:50 pm

2 stops18h 50m

Budapest Ferenc Liszt Intl

Wed 4/22

11:25 am-11:01 pm

2 stops18h 36m

$534

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 4/14

10:00 am-10:50 am

2 stops17h 50m

Budapest Ferenc Liszt Intl

Fri 4/24

5:55 am-1:30 pm

1 stop14h 35m

$537

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Tue 4/14

6:30 am-10:50 am

2 stops21h 20m

Budapest Ferenc Liszt Intl

Wed 4/22

5:55 am-1:30 pm

1 stop14h 35m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 55 results
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Best time to book a flight from Illinois to Budapest

Have a flexible travel schedule? Discover the best time to fly to Budapest from Illinois 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 Illinois to Budapest

What is the cheapest month to book a flight from Illinois to Budapest?

Currently, February is the cheapest month in which you can book a flight from Illinois to Budapest (average of $451). Flying from Illinois to Budapest in July is currently the most expensive (average of $634). 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 IL to BUD?

Find hourly flight availability from Illinois 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 December 3, 2025.

One of the essential ways to save on airfare from Illinois to Budapest is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 17% on airfare.

What is the cheapest day to fly from Illinois to Budapest?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Budapest. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Budapest flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Illinois to Budapest?

Related info for your journey

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

  • What airport do you fly into for flights to Budapest from Illinois?

    Most people fly into Budapest Ferenc Liszt Intl (BUD) if they book a flight to Budapest from Illinois. Ferenc Liszt Intl is conveniently located just 10.3 mi from Budapest’s city center.

  • How long is the flight from Illinois to Budapest?

    A quick flight from Illinois to Budapest can take about 12h 45m. Lufthansa provides one of the quickest options available for as low as $495. The distance between Illinois and Budapest is about 5076 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Budapest one-way?

    The cheapest airline one-way is Air Serbia, with whom users have recently found tickets for as low as $284. However, be on the lookout for offers from Scandinavian Airlines and Turkish Airlines, as they are both options that can get you from Illinois to Budapest for a low price.

  • What are the most popular routes from Illinois to Budapest?

    When deciding which route to take from Illinois to Budapest consider Chicago O'Hare Intl - Budapest Ferenc Liszt Intl, Chicago Midway - Budapest Ferenc Liszt Intl or Lambert-St Louis - Budapest Ferenc Liszt Intl as they are the most popular.

  • Can I find deals for flights from Illinois to Budapest that include hotel bookings?

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

  • How can I find direct flights from Illinois to Budapest?

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

  • Can I find deals for business class flights from Illinois to Budapest?

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Budapest?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Budapest (average of $451). Flying from Illinois to Budapest in July is currently the most expensive (average of $634). 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

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Alternative routes for Illinois to Budapest

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Top 10 airlines flying from Illinois to Budapest

Discover the top 10 airlines that operate flights from Illinois 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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$459Average$599FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$498Average$930FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$546Average$701FlexibilityNo cancel feeOn-time77%
LOTCheapest$553Average$862FlexibilityNo cancel feeOn-time81%
SWISSCheapest$556Average$799FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$571Average$801FlexibilityNo cancel feeOn-time70%
FinnairCheapest$572Average$792FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$575Average$786FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$577Average$776FlexibilityNo cancel feeOn-time71%
DeltaCheapest$587Average$848FlexibilityNo cancel feeOn-timeN/A

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