$374 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 9/23. 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

Tue, Sep 8 - Wed, Oct 14
KLM Logo
7:05 am - 2:15 pm
OTP
-
ORD
15h 10m
1 stop
KLM Logo
2:00 pm - 1:00 pm
ORD
-
OTP
15h 00m
2 stops
$795KLM
Mon, Sep 7 - Tue, Oct 13
LOT Logo
2:35 pm - 7:50 pm
OTP
-
ORD
13h 15m
1 stop
LOT Logo
9:50 pm - 5:45 pm
ORD
-
OTP
11h 55m
1 stop
$797LOT
Sun, Sep 6 - Mon, Oct 12
LOT Logo
8:20 am - 3:10 pm
OTP
-
ORD
14h 50m
1 stop
LOT Logo
9:50 pm - 5:45 pm
ORD
-
OTP
11h 55m
1 stop
$798LOT
Mon, Sep 7 - Sun, Sep 13
Austrian Airlines Logo
5:20 am - 1:20 pm
IAS
-
ORD
16h 00m
1 stop
Austrian Airlines Logo
4:20 pm - 3:20 pm
ORD
-
IAS
15h 00m
1 stop
$801Austrian Airlines
Wed, Oct 14 - Thu, Oct 29
Austrian Airlines Logo
1:40 pm - 1:20 pm
SBZ
-
ORD
31h 40m
1 stop
Austrian Airlines Logo
5:20 pm - 3:25 pm
ORD
-
SBZ
15h 05m
1 stop
$809Austrian Airlines
Wed, Oct 7 - Wed, Oct 14
Lufthansa Logo
6:00 am - 7:55 pm
CLJ
-
ORD
21h 55m
2 stops
Lufthansa Logo
3:35 pm - 5:25 pm
ORD
-
CLJ
17h 50m
1 stop
$811Lufthansa
Sat, Nov 21 - Sat, Nov 28
Turkish Airlines Logo
9:25 pm - 10:00 am
CLJ
-
ORD
20h 35m
1 stop
Turkish Airlines Logo
8:15 pm - 9:05 am
ORD
-
CLJ
28h 50m
1 stop
$812Turkish Airlines
Mon, Aug 24 - Wed, Sep 16
Lufthansa Logo
6:00 am - 2:00 pm
CLJ
-
ORD
16h 00m
1 stop
Lufthansa Logo
6:00 pm - 5:25 pm
ORD
-
CLJ
15h 25m
1 stop
$814Lufthansa
Wed, Aug 26 - Wed, Oct 21
United Airlines Logo
6:05 am - 1:25 pm
OTP
-
STL
15h 20m
1 stop
United Airlines Logo
7:30 am - 6:35 pm
STL
-
OTP
27h 05m
2 stops
$852United Airlines
Wed, Aug 26 - Wed, Oct 21
United Airlines Logo
6:05 am - 1:25 pm
OTP
-
STL
15h 20m
1 stop
United Airlines Logo
3:30 pm - 4:20 pm
STL
-
OTP
16h 50m
1 stop
$853United 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 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 August, when tickets cost $249 (return) on average. On the other hand, the most expensive months are February and December, when the average cost of round-trip tickets is $768 and $526 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 2 weeks before departure, which saves you about 27% 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

November

Cheapest flight

$374
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from Bucharest 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