$381 Find Cheap Flights from Serbia to Illinois - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Serbia to Illinois departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Serbia to Illinois

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Serbia to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Serbia to Illinois

Mon, Nov 2 - Mon, Nov 23
LOT Logo
5:15 pm - 7:55 pm
BEG
-
ORD
33h 40m
1 stop
LOT Logo
9:50 pm - 1:15 pm
ORD
-
BEG
32h 25m
1 stop
$707LOT
Mon, Oct 12 - Sat, Oct 24
Delta Logo
6:15 am - 2:30 pm
BEG
-
ORD
15h 15m
1 stop
Delta Logo
4:20 pm - 12:55 pm
ORD
-
BEG
13h 35m
1 stop
$711Delta
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
5:05 pm - 4:10 pm
BEG
-
ORD
30h 05m
2 stops
Multiple Airlines Logo
7:15 pm - 11:00 pm
ORD
-
BEG
20h 45m
2 stops
$711Multiple Airlines
Tue, Oct 6 - Fri, Nov 6
LOT Logo
5:15 pm - 7:50 pm
BEG
-
ORD
33h 35m
1 stop
LOT Logo
9:50 pm - 1:15 pm
ORD
-
BEG
32h 25m
1 stop
$713LOT
Wed, Sep 2 - Wed, Sep 16
KLM Logo
6:15 am - 2:30 pm
BEG
-
ORD
15h 15m
1 stop
KLM Logo
4:50 pm - 11:55 am
ORD
-
BEG
12h 05m
1 stop
$733KLM
Mon, Sep 21 - Wed, Oct 7
KLM Logo
6:15 am - 2:30 pm
BEG
-
ORD
15h 15m
1 stop
KLM Logo
4:50 pm - 11:55 am
ORD
-
BEG
12h 05m
1 stop
$733KLM
Sun, Nov 1 - Sun, Nov 29
SWISS Logo
2:40 pm - 4:15 pm
BEG
-
ORD
32h 35m
1 stop
SWISS Logo
4:10 pm - 1:55 pm
ORD
-
BEG
14h 45m
1 stop
$807SWISS
Thu, Oct 8 - Thu, Oct 22
SWISS Logo
2:40 pm - 12:35 pm
BEG
-
ORD
28h 55m
1 stop
SWISS Logo
2:20 pm - 1:55 pm
ORD
-
BEG
16h 35m
1 stop
$808SWISS
Wed, Aug 19 - Sun, Sep 6
United Airlines Logo
6:10 am - 2:55 pm
BEG
-
ORD
15h 45m
1 stop
United Airlines Logo
10:30 pm - 11:55 pm
ORD
-
BEG
18h 25m
1 stop
$829United Airlines
Fri, Aug 21 - Wed, Sep 9
United Airlines Logo
6:15 am - 2:00 pm
BEG
-
ORD
14h 45m
1 stop
United Airlines Logo
4:05 pm - 4:05 pm
ORD
-
BEG
17h 00m
1 stop
$829United Airlines
Booking Insights

KAYAK's insights & trends for flights to Illinois

Get data-powered insights and trends for flights to Illinois to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Illinois?

These are the best round-trip prices found by users searching on KAYAK in the last 5 days.

The cheapest ticket to Illinois from Serbia found in the last 5 days was to Chicago O'Hare Intl Airport, at $876 round-trip. The most popular route is Belgrade (BEG) to Chicago O'Hare Intl Airport (ORD) and the cheapest round-trip airline ticket found on this route in the last 5 days was $876.

What is the cheapest month to fly from Serbia to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Serbia to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Serbia to Illinois is December, when tickets cost $585 (return) on average. On the other hand, the most expensive months are July and January, when the average cost of round-trip tickets is $809 and $752 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Illinois, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Serbia to Illinois, you should book around 3 weeks before departure, which saves you about 7% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Which is the cheapest airport to fly into in Illinois?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Illinois is Chicago O'Hare Intl Airport (ORD), with an average flight price of $757.

Find deals

Good to know

Low season

January

Cheapest flight

$381
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 1% increase in price.
Flight from Belgrade to Chicago O'Hare Airport

FAQs for booking flights from Serbia to Illinois

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

    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 Serbia to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Serbia to 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 Serbia to Illinois?

    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 from Serbia to Illinois with an airline and back with another airline.

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

    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 from Serbia to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Illinois?

    Based on KAYAK data, the cheapest day to fly to Illinois is Friday where round-trip tickets can be as cheap as $962. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $1,118 on average.

Everything you need to know for your flight to Illinois

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Illinois
Business Class flights to Illinois
Premium Economy Class flights to Illinois
Economy Class flights to Illinoisfrom $876