What is the cheapest airline that flies from Czech Republic to Illinois?

TAP AIR PORTUGAL and Finnair are the most popular carriers operating from Czech Republic to Illinois

What airlines fly to Illinois?

LOT, Aer Lingus and Lufthansa are the top three most popular airlines that fly to Illinois from Czech Republic according to our data. LOT is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Czech Republic to Illinois?

Prices for flights from Czech Republic to Illinois are refreshed on a daily basis.

How many operators does momondo search for flights from Czech Republic to Illinois?

As of November 2026, there are 4 operators available to choose from for flights from Czech Republic to Illinois.

How old do you have to be to fly from Czech Republic to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Czech Republic to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$401 Cheap Flights from the Czech Republic to Illinois in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the Czech Republic to Illinois

Round-trip

One-way

Last minute

Recent round-trip flight deals from the Czech Republic to Illinois

Enter your travel dates to find the best prices.

1:45 pm - 5:20 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

34h 35m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

6:30 pm - 8:50 amORD Chicago O'Hare Intl-PRG Václav Havel Prague

31h 20m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Warsaw Frederic Chopin

$616Multiple Airlines

Thu, Dec 24 - Thu, Dec 31

1:45 pm - 5:20 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

34h 35m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

6:30 pm - 6:40 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

17h 10m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$627Multiple Airlines

Thu, Dec 24 - Thu, Dec 31

6:00 am - 2:25 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

15h 25m1 stop Amsterdam Schiphol

6:25 pm - 5:05 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

15h 40m1 stop Paris Charles de Gaulle

$679Delta

Mon, Feb 15 - Mon, Feb 22

6:00 pm - 7:55 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

32h 55m1 stop Warsaw Frederic Chopin

9:50 pm - 5:15 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

12h 25m1 stop Warsaw Frederic Chopin

$879LOT

Tue, Dec 1 - Sat, Dec 26

9:35 am - 7:55 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

17h 20m1 stop Warsaw Frederic Chopin

9:50 pm - 12:10 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

31h 20m1 stop Warsaw Frederic Chopin

$908LOT

Sat, Dec 26 - Mon, Jan 4

7:05 am - 3:20 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

15h 15m1 stop Frankfurt am Main

6:50 pm - 1:55 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

12h 05m1 stop Zurich

$985United Airlines

Mon, Dec 21 - Sun, Jan 10

10:20 am - 3:20 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

12h 00m1 stop Frankfurt am Main

6:50 pm - 1:55 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

12h 05m1 stop Zurich

$985United Airlines

Mon, Dec 21 - Tue, Jan 12

4:45 pm - 11:05 amPRG Václav Havel Prague-ORD Chicago O'Hare Intl

25h 20m2 stops Munich Franz Josef Strauss Frankfurt am Main

9:50 pm - 4:05 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

11h 15m1 stop Munich Franz Josef Strauss

$1,053Lufthansa

Sat, Dec 19 - Sun, Jan 3

4:45 pm - 11:05 amPRG Václav Havel Prague-ORD Chicago O'Hare Intl

25h 20m2 stops Munich Franz Josef Strauss Frankfurt am Main

3:45 pm - 1:05 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

14h 20m2 stops London Heathrow Munich Franz Josef Strauss

$1,142Lufthansa

Sat, Dec 19 - Sun, Jan 3

11:40 am - 6:20 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

13h 40m1 stop Dublin

3:55 pm - 11:00 amORD Chicago O'Hare Intl-PRG Václav Havel Prague

12h 05m1 stop Dublin

$3,244Aer Lingus

Sat, Dec 26 - Thu, Dec 31

Recent last minute flight deals from the Czech Republic to Illinois

Enter your travel dates to find the best prices.

7:20 pm - 10:00 amPRG Václav Havel Prague-ORD Chicago O'Hare Intl

21h 40m1 stop Istanbul

11:45 am - 6:25 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

23h 40m1 stop Istanbul

$843Turkish Airlines

Mon, Nov 16 - Sun, Nov 29

9:25 pm - 4:45 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

26h 20m2 stops Stockholm Arlanda Kastrup Copenhagen

7:10 pm - 8:45 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

18h 35m2 stops Kastrup Copenhagen Stockholm Arlanda

$849Multiple Airlines

Mon, Nov 16 - Sun, Nov 29

7:20 pm - 5:20 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

29h 00m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

8:10 pm - 7:15 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

16h 05m1 stop Lisbon Humberto Delgado

$910Multiple Airlines

Mon, Nov 16 - Sun, Nov 29

9:25 pm - 4:45 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

26h 20m2 stops Stockholm Arlanda Kastrup Copenhagen

7:10 pm - 10:40 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

20h 30m3 stops Kastrup Copenhagen Stockholm Arlanda Munich Franz Josef Strauss

$911Multiple Airlines

Mon, Nov 16 - Sun, Nov 29

10:45 pm - 3:30 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

23h 45m2 stops London Gatwick Lisbon Humberto Delgado

6:30 pm - 9:30 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

20h 00m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Bergamo Orio Al Serio

$916Multiple Airlines

Thu, Nov 12 - Tue, Jan 12

7:15 pm - 3:30 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

27h 15m1 stop Lisbon Humberto Delgado

6:30 pm - 9:30 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

20h 00m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Bergamo Orio Al Serio

$942Multiple Airlines

Thu, Nov 12 - Tue, Jan 12

12:55 pm - 7:55 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

14h 00m1 stop Warsaw Frederic Chopin

9:50 pm - 6:55 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

14h 05m1 stop Warsaw Frederic Chopin

$949LOT

Thu, Nov 12 - Tue, Jan 12

7:15 pm - 3:30 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

27h 15m1 stop Lisbon Humberto Delgado

11:25 am - 11:40 amORD Chicago O'Hare Intl-PRG Václav Havel Prague

17h 15m2 stops Newark Lisbon Humberto Delgado

$952TAP AIR PORTUGAL

Thu, Nov 12 - Tue, Jan 12

6:10 am - 5:20 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

18h 10m3 stops Munich Franz Josef Strauss Stockholm Arlanda Reykjavik Keflavik Intl

6:30 pm - 9:30 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

20h 00m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Bergamo Orio Al Serio

$1,015Multiple Airlines

Thu, Nov 12 - Tue, Jan 12

9:25 pm - 5:20 pmPRG Václav Havel Prague-ORD Chicago O'Hare Intl

26h 55m3 stops Stockholm Arlanda Kastrup Copenhagen Reykjavik Keflavik Intl

8:10 pm - 10:20 pmORD Chicago O'Hare Intl-PRG Václav Havel Prague

19h 10m3 stops Lisbon Humberto Delgado Porto Amsterdam Schiphol

$1,062Multiple Airlines

Mon, Nov 16 - Sun, Nov 29

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Air France flights from Czech Republic to Illinois

Our best Air France deals on Czech Republic to Illinois flight tickets

Air France

Nov 23

PRG6:30 amVáclav Havel Prague

16h 45m

1 stop

ORD4:15 pmChicago O'Hare Intl

Feb 23

ORD6:25 pmChicago O'Hare Intl

15h 40m

1 stop

PRG5:05 pmVáclav Havel Prague

$686

Air France

Feb 12

PRG6:30 amVáclav Havel Prague

16h 45m

1 stop

ORD4:15 pmChicago O'Hare Intl

Feb 25

ORD6:25 pmChicago O'Hare Intl

15h 40m

1 stop

PRG5:05 pmVáclav Havel Prague

$690

Delta flights from Czech Republic to Illinois

Our best Delta deals on Czech Republic to Illinois flight tickets

Delta

Nov 22

PRG8:55 amVáclav Havel Prague

12h 30m

1 stop

ORD2:25 pmChicago O'Hare Intl

Nov 28

ORD5:05 pmChicago O'Hare Intl

17h 00m

2 stops

PRG5:05 pmVáclav Havel Prague

$679

Delta

Feb 8

PRG6:00 amVáclav Havel Prague

15h 25m

1 stop

ORD2:25 pmChicago O'Hare Intl

Feb 14

ORD10:30 amChicago O'Hare Intl

17h 40m

2 stops

PRG11:10 amVáclav Havel Prague

$683

Delta

Nov 23

PRG6:00 amVáclav Havel Prague

17h 18m

2 stops

ORD4:18 pmChicago O'Hare Intl

Dec 6

ORD10:15 amChicago O'Hare Intl

15h 50m

2 stops

PRG9:05 amVáclav Havel Prague

$684

momondo Fare Finder

Use the filters below to find and compare flights from the Czech Republic to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PragueChicago

PRG Václav Havel Prague - ORD Chicago O'Hare Intl

PRGORD

Václav Havel Prague

Thu 12/24

1:45 pm-5:20 pm

2 stops34h 35m

Chicago O'Hare Intl

Thu 12/31

6:30 pm-8:50 am

3 stops31h 20m

$616

PragueChicago

PRG Václav Havel Prague - ORD Chicago O'Hare Intl

PRGORD

Václav Havel Prague

Thu 12/24

1:45 pm-5:20 pm

2 stops34h 35m

Chicago O'Hare Intl

Thu 12/31

6:30 pm-6:40 pm

2 stops17h 10m

$627

PragueChicago

PRG Václav Havel Prague - ORD Chicago O'Hare Intl

PRGORD

Václav Havel Prague

Mon 2/15

6:00 am-2:25 pm

1 stop15h 25m

Chicago O'Hare Intl

Mon 2/22

6:25 pm-5:05 pm

1 stop15h 40m

$679

PragueChicago

PRG Václav Havel Prague - ORD Chicago O'Hare Intl

PRGORD

Václav Havel Prague

Tue 12/1

6:00 pm-7:55 pm

1 stop32h 55m

Chicago O'Hare Intl

Sat 12/26

9:50 pm-5:15 pm

1 stop12h 25m

$879

PragueChicago

PRG Václav Havel Prague - ORD Chicago O'Hare Intl

PRGORD

Václav Havel Prague

Sat 12/26

9:35 am-7:55 pm

1 stop17h 20m

Chicago O'Hare Intl

Mon 1/4

9:50 pm-12:10 pm

1 stop31h 20m

$908

PragueChicago

PRG Václav Havel Prague - ORD Chicago O'Hare Intl

PRGORD

Václav Havel Prague

Mon 12/21

7:05 am-3:20 pm

1 stop15h 15m

Chicago O'Hare Intl

Sun 1/10

6:50 pm-1:55 pm

1 stop12h 05m

$985

Quickest round-trip

PragueChicago

PRG Václav Havel Prague - ORD Chicago O'Hare Intl

PRGORD

Václav Havel Prague

Mon 12/21

10:20 am-3:20 pm

1 stop12h 00m

Chicago O'Hare Intl

Tue 1/12

6:50 pm-1:55 pm

1 stop12h 05m

$985

PragueChicago

PRG Václav Havel Prague - ORD Chicago O'Hare Intl

PRGORD

Václav Havel Prague

Sat 12/19

4:45 pm-11:05 am

2 stops25h 20m

Chicago O'Hare Intl

Sun 1/3

9:50 pm-4:05 pm

1 stop11h 15m

$1,053

PragueChicago

PRG Václav Havel Prague - ORD Chicago O'Hare Intl

PRGORD

Václav Havel Prague

Sat 12/19

4:45 pm-11:05 am

2 stops25h 20m

Chicago O'Hare Intl

Sun 1/3

3:45 pm-1:05 pm

2 stops14h 20m

$1,142

PragueChicago

PRG Václav Havel Prague - ORD Chicago O'Hare Intl

PRGORD

Václav Havel Prague

Sat 12/26

11:40 am-6:20 pm

1 stop13h 40m

Chicago O'Hare Intl

Thu 12/31

3:55 pm-11:00 am

1 stop12h 05m

$3,244

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Czech Republic to Illinois

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

Prices

Airlines

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Czech Republic is in October. Flight prices, which tend to average around $707, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $734.

How far in advance should I book a flight from the Czech Republic to Illinois?

You are more likely to see cheaper flights to Illinois from Czech Republic when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $852 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Czech Republic for as low as $736 on momondo.

Can stopping save me money on Czech Republic to Illinois flights?

You could potentially save up to 6% on your flight if you consider stops on a Czech Republic to Illinois flight.

Cheap Czech Republic to Illinois flight deals and tips

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

Best Price Found	$401
Fastest flight time	12h 00m
Direct flights	None

The best one-way flight to Illinois from Czech Republic in the past 72 hours is $401. The best round-trip flight deal from Czech Republic to Illinois found on momondo in the last 72 hours is $616.

The fastest flight from Czech Republic to Illinois takes 12h 00m

There are no direct flights from Czech Republic to Illinois. There are no popular flight routes from Czech Republic to Illinois.

Search flight deals

Frequently asked questions about flying from the Czech Republic to Illinois

When did momondo last update prices for flights from Czech Republic to Illinois?
Prices for flights from Czech Republic to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Czech Republic to Illinois?
As of November 2026, there are 4 operators available to choose from for flights from Czech Republic to Illinois.
How old do you have to be to fly from Czech Republic to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Czech Republic to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Czech Republic to Illinois

Compare and see reviews for airlines that fly from Czech Republic to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom $661	Free Cancellation	Rating 7.3 1,882 reviews	Search Aer Lingus flights
LOT	PriceFrom $736	Free Cancellation	Rating 7.5 1,191 reviews	Search LOT flights
Lufthansa	PriceFrom $804	Free Cancellation	Rating 6.8 8,294 reviews	Search Lufthansa flights
United Airlines	PriceFrom $807	Free Cancellation	Rating 7.3 10,478 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Czech Republic to Illinois?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Czech Republic to Illinois. momondo saves you time and could save you money on your trip.

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

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

How can momondo help me find flights from Czech Republic to Illinois?

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

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

If you are not ready to book a flight from Czech Republic to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.