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Cheap flights from Illinois to Budapest from $316

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Budapest departing on 10/31. 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 Illinois to Budapest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
4:40 pm - 9:40 am
STL
-
BUD
34h 00m
2 stops
Scandinavian Airlines Logo
10:25 am - 11:39 pm
BUD
-
STL
20h 14m
2 stops
$725Scandinavian Airlines
Wed, Dec 2 - Fri, Dec 11
Scandinavian Airlines Logo
1:30 pm - 9:40 am
STL
-
BUD
37h 10m
2 stops
Scandinavian Airlines Logo
10:25 am - 11:39 pm
BUD
-
STL
20h 14m
2 stops
$727Scandinavian Airlines
Fri, Dec 4 - Fri, Dec 11
Multiple Airlines Logo
4:15 pm - 11:30 pm
STL
-
BUD
24h 15m
2 stops
Multiple Airlines Logo
6:30 am - 1:45 pm
BUD
-
STL
14h 15m
1 stop
$769Multiple Airlines
Wed, Dec 2 - Fri, Dec 11
United Airlines Logo
1:27 pm - 4:15 pm
STL
-
BUD
19h 48m
2 stops
United Airlines Logo
2:25 pm - 3:30 pm
BUD
-
STL
32h 05m
2 stops
$774United Airlines
Mon, Nov 16 - Thu, Nov 19
Scandinavian Airlines Logo
12:00 pm - 9:45 am
STL
-
BUD
38h 45m
2 stops
Scandinavian Airlines Logo
10:25 am - 11:36 pm
BUD
-
STL
20h 11m
2 stops
$794Scandinavian Airlines
Mon, Sep 14 - Mon, Sep 21
Multiple Airlines Logo
3:35 pm - 12:40 pm
ORD
-
BUD
14h 05m
1 stop
Multiple Airlines Logo
9:35 am - 8:12 pm
BUD
-
ORD
17h 37m
2 stops
$807Multiple Airlines
Fri, Aug 7 - Wed, Oct 7
Multiple Airlines Logo
4:15 pm - 11:30 pm
STL
-
BUD
24h 15m
2 stops
Multiple Airlines Logo
6:30 am - 1:45 pm
BUD
-
STL
14h 15m
1 stop
$807Multiple Airlines
Fri, Dec 4 - Fri, Dec 11
LOT Logo
9:50 pm - 9:30 pm
ORD
-
BUD
16h 40m
1 stop
LOT Logo
8:25 am - 3:10 pm
BUD
-
ORD
13h 45m
1 stop
$809LOT
Tue, Sep 29 - Sun, Oct 11
Air Serbia Logo
11:20 pm - 2:40 pm
ORD
-
BUD
32h 20m
1 stop
Air Serbia Logo
3:15 pm - 9:15 pm
BUD
-
ORD
13h 00m
1 stop
$811Air Serbia
Sat, Oct 10 - Sat, Oct 17
United Airlines Logo
3:35 pm - 12:35 pm
ORD
-
BUD
14h 00m
1 stop
United Airlines Logo
5:55 am - 2:55 pm
BUD
-
ORD
16h 00m
1 stop
$814United Airlines
Wed, Aug 12 - Sun, Aug 16

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KLM flights from Illinois to Budapest

Our best KLM deals on Illinois to Budapest flight tickets
KLM
Jul 19
ORD7:17 pmChicago O'Hare Intl
14h 13m
2 stops
BUD4:30 pmBudapest Ferenc Liszt Intl
Jul 28
BUD7:40 pmBudapest Ferenc Liszt Intl
25h 50m
1 stop
ORD2:30 pmChicago O'Hare Intl
$855
KLM
Jun 18
STL10:51 amLambert-St Louis
16h 49m
2 stops
BUD10:40 amBudapest Ferenc Liszt Intl
Jul 12
BUD6:00 amBudapest Ferenc Liszt Intl
18h 24m
2 stops
STL5:24 pmLambert-St Louis
$1,475

Delta flights from Illinois to Budapest

Our best Delta deals on Illinois to Budapest flight tickets
Delta
Nov 30
STL2:18 pmLambert-St Louis
25h 07m
2 stops
BUD10:25 pmBudapest Ferenc Liszt Intl
Dec 11
BUD6:30 amBudapest Ferenc Liszt Intl
21h 19m
2 stops
STL8:49 pmLambert-St Louis
$775
Delta
Aug 8
MDW6:42 pmChicago Midway
14h 48m
2 stops
BUD4:30 pmBudapest Ferenc Liszt Intl
Oct 1
BUD6:00 amBudapest Ferenc Liszt Intl
17h 11m
2 stops
MDW4:11 pmChicago Midway
$820
Delta
Aug 4
ORD5:20 pmChicago O'Hare Intl
17h 30m
2 stops
BUD5:50 pmBudapest Ferenc Liszt Intl
Aug 11
BUD6:00 amBudapest Ferenc Liszt Intl
15h 15m
1 stop
ORD2:15 pmChicago O'Hare Intl
$821

momondo 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, momondo users made 832,500 searches. Data last updated June 17, 2026.
Use the filters below to find and compare flights from Illinois 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 12/2

4:40 pm-9:40 am

2 stops34h 00m

Budapest Ferenc Liszt Intl

Fri 12/11

10:25 am-11:39 pm

2 stops20h 14m

$725

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Fri 12/4

1:30 pm-9:40 am

2 stops37h 10m

Budapest Ferenc Liszt Intl

Fri 12/11

10:25 am-11:39 pm

2 stops20h 14m

$727

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Wed 12/2

4:15 pm-11:30 pm

2 stops24h 15m

Budapest Ferenc Liszt Intl

Fri 12/11

6:30 am-1:45 pm

1 stop14h 15m

$769

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Mon 11/16

1:27 pm-4:15 pm

2 stops19h 48m

Budapest Ferenc Liszt Intl

Thu 11/19

2:25 pm-3:30 pm

2 stops32h 05m

$774

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Mon 9/14

12:00 pm-9:45 am

2 stops38h 45m

Budapest Ferenc Liszt Intl

Mon 9/21

10:25 am-11:36 pm

2 stops20h 11m

$794

ChicagoBudapest

ORD - BUD

ORDBUD

Chicago O'Hare Intl

Fri 8/7

3:35 pm-12:40 pm

1 stop14h 05m

Budapest Ferenc Liszt Intl

Wed 10/7

9:35 am-8:12 pm

2 stops17h 37m

$807

St. LouisBudapest

STL - BUD

STLBUD

Lambert-St Louis

Fri 12/4

4:15 pm-11:30 pm

2 stops24h 15m

Budapest Ferenc Liszt Intl

Fri 12/11

6:30 am-1:45 pm

1 stop14h 15m

$807

ChicagoBudapest

ORD - BUD

ORDBUD

Chicago O'Hare Intl

Tue 9/29

9:50 pm-9:30 pm

1 stop16h 40m

Budapest Ferenc Liszt Intl

Sun 10/11

8:25 am-3:10 pm

1 stop13h 45m

$809

ChicagoBudapest

ORD - BUD

ORDBUD

Chicago O'Hare Intl

Sat 10/10

11:20 pm-2:40 pm

1 stop32h 20m

Budapest Ferenc Liszt Intl

Sat 10/17

3:15 pm-9:15 pm

1 stop13h 00m

$811
Quickest round-trip

ChicagoBudapest

ORD - BUD

ORDBUD

Chicago O'Hare Intl

Wed 8/12

3:35 pm-12:35 pm

1 stop14h 00m

Budapest Ferenc Liszt Intl

Sun 8/16

5:55 am-2:55 pm

1 stop16h 00m

$814

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Budapest from

How to get the cheapest flight ticket from Illinois 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 cheapest month to fly to Budapest?

The cheapest month to fly to Budapest from Illinois is in November. Flight prices, which tend to average around $157, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Budapest, with average flight prices from Illinois averaging around $299.

How far in advance should I book a flight from Illinois to Budapest?

You are more likely to see cheaper flights to Budapest from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Budapest for around $734 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Budapest from Illinois for as low as $627 on momondo.

Can stopping save me money on Illinois to Budapest flights?

You could potentially save up to 71% on your flight if you consider stops on a Illinois to Budapest flight.

Cheap Illinois to Budapest flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Budapest

Fastest flight time

12h 30m

Direct flights

None
The fastest flight from Illinois to Budapest takes 12h 30m
There are no direct flights from Illinois to Budapest. There are no popular flight routes from Illinois to Budapest.
Search flight deals

Frequently asked questions about flying from Illinois to Budapest

  • When did momondo last update prices for flights from Illinois to Budapest Ferenc Liszt Intl Airport?

    Prices for flights from Illinois to Budapest Ferenc Liszt Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Illinois to Budapest Ferenc Liszt Intl Airport?

  • How old do you have to be to fly from Illinois 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 Illinois 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 you'll need for your trip to Budapest Ferenc Liszt Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Budapest Ferenc Liszt Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Budapest

Compare and see reviews for airlines that fly from Illinois to Budapest with momondo
Airline
Rating
Free Cancellation
Price
Air SerbiaPriceFrom $298Free CancellationRating
6.1
231 reviews
Search Air Serbia flights
DeltaPriceFrom $395Free CancellationRating
7.8
8,407 reviews
Search Delta flights
British AirwaysPriceFrom $455Free CancellationRating
6.7
8,054 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $461Free CancellationRating
7.4
1,829 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $483Free CancellationRating
6.8
8,066 reviews
Search Lufthansa flights
SWISSPriceFrom $514Free CancellationRating
7.5
1,971 reviews
Search SWISS flights
LOTPriceFrom $547Free CancellationRating
7.5
1,201 reviews
Search LOT flights
Turkish AirlinesPriceFrom $550Free CancellationRating
7.4
4,410 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $564Free CancellationRating
7.1
11,676 reviews
Search American Airlines flights
United AirlinesPriceFrom $565Free CancellationRating
7.4
9,849 reviews
Search United Airlines 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 Illinois to Budapest?

Finding the right flight to Budapest from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Budapest quick and easy, saving you time and money.

Can I find flights from Illinois to Budapest with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Budapest from Illinois with this policy.

How can momondo help me find flights from Illinois to Budapest?

momondo provides multiple filters to help you find the best flight to Budapest from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Budapest right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Budapest, momondo offers a useful price alert feature which will track prices for flights to Budapest from Illinois and alert you when they change.

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Find better results for your trip to Hungary

Airports servicing Hungary

Debrecen Airport
Miskolc Airport