How does KAYAK find such low prices on flights from Illinois to Belgrade?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Belgrade.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Belgrade?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belgrade from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Belgrade?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belgrade with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Belgrade?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belgrade from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$320 CHEAP FLIGHTS from Illinois to Belgrade

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Flight Deals

Cheap Flights from Illinois to Belgrade

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Belgrade

Tue, Dec 1 - Thu, Dec 10

8:15 pm - 2:40 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

35h 25m1 stop Istanbul

8:50 am - 6:20 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

16h 30m1 stop Istanbul

$698Turkish Airlines

Thu, Feb 25 - Thu, Mar 11

8:15 pm - 7:30 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

16h 15m1 stop Istanbul

8:20 pm - 7:20 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

30h 00m1 stop Istanbul

$698Turkish Airlines

Wed, Dec 30 - Fri, Jan 15

8:15 pm - 7:30 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

16h 15m1 stop Istanbul

12:05 pm - 10:00 amBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

28h 55m1 stop Istanbul

$702Multiple Airlines

Wed, Nov 11 - Wed, Dec 2

11:45 am - 5:30 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

22h 45m1 stop Istanbul

3:30 pm - 6:20 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

33h 50m1 stop Istanbul

$706Multiple Airlines

Mon, Mar 29 - Mon, Apr 12

7:05 pm - 7:15 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

17h 10m1 stop Zurich

8:00 pm - 3:55 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

26h 55m1 stop Zurich

$711SWISS

Mon, Apr 26 - Mon, May 10

2:20 pm - 1:55 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

16h 35m1 stop Zurich

2:40 pm - 12:35 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

28h 55m1 stop Zurich

$712SWISS

Sat, Mar 27 - Sat, Apr 10

10:55 pm - 4:35 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

34h 40m1 stop Warsaw Frederic Chopin

2:00 pm - 7:50 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

12h 50m1 stop Warsaw Frederic Chopin

$721LOT

Sat, Jan 30 - Sat, Feb 13

9:50 pm - 1:15 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

32h 25m1 stop Warsaw Frederic Chopin

5:15 pm - 7:55 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

33h 40m1 stop Warsaw Frederic Chopin

$736LOT

Mon, Apr 5 - Thu, Apr 29

4:20 pm - 10:55 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

23h 35m1 stop Amsterdam Schiphol

6:15 am - 2:15 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

15h 00m1 stop Amsterdam Schiphol

$737Delta

Mon, Mar 15 - Mon, Apr 12

5:25 pm - 11:55 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

12h 30m1 stop Amsterdam Schiphol

12:40 pm - 2:15 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

32h 35m1 stop Amsterdam Schiphol

$737Delta

Recent last minute flight deals from Illinois to Belgrade

Tue, Nov 3 - Sun, Nov 8

12:45 pm - 4:25 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

20h 40m1 stop Istanbul

8:20 pm - 10:00 amBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

20h 40m1 stop Istanbul

$702Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

12:45 pm - 4:25 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

20h 40m1 stop Istanbul

12:50 am - 10:00 amBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

16h 10m1 stop Istanbul

$719Multiple Airlines

Wed, Nov 4 - Sun, Nov 15

8:15 pm - 7:30 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

16h 15m1 stop Istanbul

8:50 am - 6:20 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

16h 30m1 stop Istanbul

$766Turkish Airlines

Sat, Oct 31 - Wed, Nov 18

9:15 pm - 7:30 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

16h 15m1 stop Istanbul

8:50 am - 6:20 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

16h 30m1 stop Istanbul

$768Turkish Airlines

Mon, Nov 2 - Sat, Nov 14

6:50 pm - 7:10 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

17h 20m1 stop Zurich

2:45 pm - 4:15 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

32h 30m1 stop Zurich

$861SWISS

Sun, Nov 1 - Wed, Nov 18

4:25 pm - 11:55 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

12h 30m1 stop Amsterdam Schiphol

6:05 am - 2:25 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

15h 20m1 stop Amsterdam Schiphol

$886KLM

Wed, Nov 4 - Wed, Dec 16

1:30 pm - 10:25 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

13h 55m2 stops Washington, D.C. Dulles Intl Vienna Intl

6:50 am - 7:05 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

19h 15m2 stops Vienna Intl Washington, D.C. Dulles Intl

$898Austrian Airlines

Sat, Oct 31 - Fri, Nov 20

7:50 pm - 1:55 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

12h 05m1 stop Zurich

9:40 am - 4:15 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

13h 35m1 stop Zurich

$921SWISS

Sun, Nov 1 - Sun, Nov 8

4:25 pm - 11:55 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

12h 30m1 stop Amsterdam Schiphol

6:05 am - 2:25 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

15h 20m1 stop Amsterdam Schiphol

$936KLM

Thu, Nov 5 - Fri, Nov 13

1:30 pm - 10:25 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

13h 55m2 stops Washington, D.C. Dulles Intl Vienna Intl

6:50 am - 2:00 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

14h 10m1 stop Vienna Intl

$936Austrian Airlines

Recent direct flight deals from Illinois to Belgrade

Wed, Apr 7 - Wed, May 5

4:40 pm - 9:20 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

9h 40mnonstop

10:35 am - 2:30 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

10h 55mnonstop

$927Air Serbia

Wed, Apr 7 - Sat, Apr 24

4:40 pm - 9:20 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

9h 40mnonstop

5:20 pm - 9:15 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

10h 55mnonstop

$927Air Serbia

Wed, Apr 7 - Wed, Apr 21

4:40 pm - 9:20 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

9h 40mnonstop

10:35 am - 2:30 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

10h 55mnonstop

$927Air Serbia

Wed, Apr 7 - Sat, May 8

4:40 pm - 9:20 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

9h 40mnonstop

5:20 pm - 9:15 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

10h 55mnonstop

$927Air Serbia

Sat, Jan 23 - Fri, Feb 5

5:30 pm - 10:20 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

9h 50mnonstop

10:45 am - 2:45 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

11h 00mnonstop

$1,013JetBlue

Wed, Apr 14 - Wed, Apr 28

4:40 pm - 9:20 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

9h 40mnonstop

10:35 am - 2:30 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

10h 55mnonstop

$1,044JetBlue

Wed, Apr 14 - Wed, Apr 28

4:40 pm - 9:20 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

9h 40mnonstop

10:35 am - 2:30 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

10h 55mnonstop

$1,059JetBlue

Wed, Apr 14 - Wed, Apr 28

4:40 pm - 9:20 amORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

9h 40mnonstop

10:35 am - 2:30 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

10h 55mnonstop

$1,284Multiple Airlines

Sat, Jan 2 - Fri, Jan 8

7:30 pm - 12:20 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

9h 50mnonstop

10:45 am - 2:45 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

11h 00mnonstop

$1,484Multiple Airlines

Sat, Jan 2 - Fri, Jan 8

7:30 pm - 12:20 pmORD Chicago O'Hare Intl-BEG Belgrade Nikola Tesla

9h 50mnonstop

10:45 am - 2:45 pmBEG Belgrade Nikola Tesla-ORD Chicago O'Hare Intl

11h 00mnonstop

$1,485Multiple Airlines

Useful Info

Low season	February
High season	July
Cheapest flight	$320

Best time to beat the crowds with an average 20% drop in price.

Most popular time to fly with an average 19% increase in price.

Flight from Chicago to Belgrade

How does KAYAK find such low prices on flights from Illinois to Belgrade?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Belgrade.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Belgrade?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belgrade from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Belgrade?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belgrade with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Belgrade?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belgrade from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.