$378 Find Cheap Flights from Romania 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 Romania to Illinois departing on 9/29. 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 Romania to Illinois

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Romania 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 Romania to Illinois

Sun, Oct 11 - Sun, Oct 18
Austrian Airlines Logo
12:05 pm - 1:20 pmSBZ  Sibiu-ORD Chicago O'Hare Intl
33h 15m1 stop Vienna Intl
Austrian Airlines Logo
4:20 pm - 12:55 pmORD  Chicago O'Hare Intl-SBZ Sibiu
12h 35m1 stop Vienna Intl
$724Austrian Airlines
Fri, Sep 18 - Fri, Sep 25
Austrian Airlines Logo
6:00 am - 1:20 pmSBZ  Sibiu-ORD Chicago O'Hare Intl
15h 20m1 stop Vienna Intl
Austrian Airlines Logo
4:20 pm - 1:05 amORD  Chicago O'Hare Intl-SBZ Sibiu
24h 45m1 stop Vienna Intl
$743Austrian Airlines
Thu, Sep 3 - Wed, Sep 9
LOT Logo
6:30 pm - 3:10 pmOTP  Bucharest Otopeni Intl-ORD Chicago O'Hare Intl
28h 40m2 stops Warsaw Frederic Chopin Krakow J. Paul II Balice
LOT Logo
9:50 pm - 5:45 pmORD  Chicago O'Hare Intl-OTP Bucharest Otopeni Intl
11h 55m1 stop Warsaw Frederic Chopin
$759LOT
Sat, Sep 5 - Sat, Sep 12
Multiple Airlines Logo
1:10 pm - 9:25 pmOTP  Bucharest Otopeni Intl-ORD Chicago O'Hare Intl
16h 15m2 stops Milan Malpensa Reykjavik Keflavik Intl
Multiple Airlines Logo
7:25 pm - 12:35 amORD  Chicago O'Hare Intl-OTP Bucharest Otopeni Intl
21h 10m2 stops Reykjavik Keflavik Intl Milan Malpensa
$759Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
SWISS Logo
6:20 am - 3:55 pmOTP  Bucharest Otopeni Intl-ORD Chicago O'Hare Intl
17h 35m1 stop Zurich
SWISS Logo
2:40 pm - 1:10 amORD  Chicago O'Hare Intl-OTP Bucharest Otopeni Intl
26h 30m1 stop Zurich
$760SWISS
Fri, Sep 18 - Fri, Sep 25
Multiple Airlines Logo
6:00 am - 12:55 pmSBZ  Sibiu-ORD Chicago O'Hare Intl
14h 55m2 stops Vienna Intl Frankfurt am Main
Multiple Airlines Logo
4:20 pm - 1:05 amORD  Chicago O'Hare Intl-SBZ Sibiu
24h 45m1 stop Vienna Intl
$761Multiple Airlines
Tue, Sep 1 - Tue, Sep 15
LOT Logo
2:35 pm - 3:10 pmOTP  Bucharest Otopeni Intl-ORD Chicago O'Hare Intl
32h 35m2 stops Warsaw Frederic Chopin Krakow J. Paul II Balice
LOT Logo
5:10 pm - 11:15 pmORD  Chicago O'Hare Intl-OTP Bucharest Otopeni Intl
22h 05m2 stops Krakow J. Paul II Balice Warsaw Frederic Chopin
$762LOT
Fri, Sep 18 - Fri, Sep 25
Lufthansa Logo
6:00 am - 12:55 pmSBZ  Sibiu-ORD Chicago O'Hare Intl
14h 55m2 stops Vienna Intl Frankfurt am Main
Lufthansa Logo
10:30 pm - 1:05 amORD  Chicago O'Hare Intl-SBZ Sibiu
18h 35m2 stops Frankfurt am Main Vienna Intl
$780Lufthansa
Tue, Dec 1 - Sun, Dec 13
Lufthansa Logo
6:10 am - 6:25 pmCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
20h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:00 pm - 1:05 amORD  Chicago O'Hare Intl-CLJ Cluj Napoca
23h 05m1 stop Munich Franz Josef Strauss
$790Lufthansa
Thu, Sep 17 - Wed, Sep 30
SWISS Logo
10:45 am - 12:35 pmCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
33h 50m1 stop Zurich
SWISS Logo
2:20 pm - 10:00 amORD  Chicago O'Hare Intl-CLJ Cluj Napoca
11h 40m1 stop Zurich
$799SWISS
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 Romania found in the last 5 days was to Chicago O'Hare Intl Airport, at $868 round-trip. The most popular route is Bucharest Otopeni Intl Airport (OTP) to Chicago O'Hare Intl Airport (ORD) and the cheapest round-trip airline ticket found on this route in the last 5 days was $868.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Romania 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 Romania to Illinois is June, when tickets cost $481 (return) on average. On the other hand, the most expensive months are February and January, when the average cost of round-trip tickets is $943 and $842 respectively.

What is the cheapest time of day to fly to Illinois?

The average price for all round-trip flights from Romania to Illinois depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Illinois is generally in the morning, when round-trip flights cost $770 on average. The most expensive time of day to fly to Illinois is generally in the morning, which is peak travel time and where the average cost of a ticket is $770.

How far in advance should I book a flight from Romania 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 Romania to Illinois, you should book around 3 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Find deals

Good to know

Low season

May

Cheapest flight

$378
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly with an average 9% increase in price.
Flight from Cluj Napoca to Chicago

FAQs for booking flights from Romania to Illinois

  • How does KAYAK find such low prices on flights from Romania 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 Romania to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Romania 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 Romania 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 Romania 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 Romania 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 Romania 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 Saturday where round-trip tickets can be as cheap as $469. On the other hand, the most expensive day to fly is Thursday, where round-trip prices are $770 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 $868