$385 Find Cheap Flights from Bulgaria to Chicago O'Hare Airport - 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 to O'Hare Intl departing on 10/15. 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 Bulgaria to O'Hare Intl

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Bulgaria to O'Hare Intl 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 Bulgaria to O'Hare Intl

Thu, Sep 24 - Wed, Oct 7
LOT Logo
2:35 pm - 3:10 pmSOF  Sofia-ORD Chicago O'Hare Intl
32h 35m2 stops Warsaw Frederic Chopin Krakow J. Paul II Balice
LOT Logo
9:50 pm - 6:00 pmORD  Chicago O'Hare Intl-SOF Sofia
12h 10m1 stop Warsaw Frederic Chopin
$797LOT
Mon, Sep 28 - Mon, Oct 12
LOT Logo
2:35 pm - 3:10 pmSOF  Sofia-ORD Chicago O'Hare Intl
56h 35m2 stops Warsaw Frederic Chopin Krakow J. Paul II Balice
LOT Logo
5:10 pm - 6:00 pmORD  Chicago O'Hare Intl-SOF Sofia
16h 50m1 stop Warsaw Frederic Chopin
$799LOT
Mon, Oct 5 - Fri, Feb 26
Turkish Airlines Logo
3:50 pm - 9:40 amSOF  Sofia-ORD Chicago O'Hare Intl
25h 50m1 stop Istanbul
Turkish Airlines Logo
8:15 pm - 8:55 pmORD  Chicago O'Hare Intl-SOF Sofia
16h 40m1 stop Istanbul
$809Turkish Airlines
Mon, Oct 5 - Fri, Feb 26
Turkish Airlines Logo
3:50 pm - 9:40 amSOF  Sofia-ORD Chicago O'Hare Intl
25h 50m1 stop Istanbul
Turkish Airlines Logo
8:15 pm - 8:55 pmORD  Chicago O'Hare Intl-SOF Sofia
16h 40m1 stop Istanbul
$810Turkish Airlines
Tue, Oct 13 - Wed, Nov 4
Multiple Airlines Logo
4:45 pm - 5:50 pmSOF  Sofia-ORD Chicago O'Hare Intl
33h 05m2 stops Kastrup Copenhagen Helsinki-Vantaa
Multiple Airlines Logo
9:50 pm - 6:20 pmORD  Chicago O'Hare Intl-SOF Sofia
12h 30m1 stop Munich Franz Josef Strauss
$812Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
Multiple Airlines Logo
3:00 pm - 5:50 pmSOF  Sofia-ORD Chicago O'Hare Intl
34h 50m2 stops Riga Intl Helsinki-Vantaa
Multiple Airlines Logo
4:55 pm - 1:25 amORD  Chicago O'Hare Intl-SOF Sofia
24h 30m1 stop Madrid Barajas
$833Multiple Airlines
Fri, Oct 23 - Sun, Nov 1
Lufthansa Logo
2:10 pm - 7:55 pmSOF  Sofia-ORD Chicago O'Hare Intl
13h 45m1 stop Frankfurt am Main
Lufthansa Logo
6:00 pm - 1:15 pmORD  Chicago O'Hare Intl-SOF Sofia
11h 15m1 stop Munich Franz Josef Strauss
$846Lufthansa
Wed, Sep 9 - Fri, Feb 12
Lufthansa Logo
6:20 am - 7:55 pmSOF  Sofia-ORD Chicago O'Hare Intl
21h 35m1 stop Frankfurt am Main
Lufthansa Logo
9:50 pm - 10:55 pmORD  Chicago O'Hare Intl-SOF Sofia
17h 05m1 stop Munich Franz Josef Strauss
$853Lufthansa
Thu, Sep 24 - Wed, Oct 7
United Airlines Logo
6:30 am - 2:55 pmSOF  Sofia-ORD Chicago O'Hare Intl
16h 25m1 stop Frankfurt am Main
United Airlines Logo
3:35 pm - 12:10 pmORD  Chicago O'Hare Intl-SOF Sofia
12h 35m1 stop Munich Franz Josef Strauss
$856United Airlines
Thu, Sep 24 - Wed, Oct 7
United Airlines Logo
6:30 am - 12:55 pmSOF  Sofia-ORD Chicago O'Hare Intl
14h 25m1 stop Frankfurt am Main
United Airlines Logo
3:35 pm - 12:10 pmORD  Chicago O'Hare Intl-SOF Sofia
12h 35m1 stop Munich Franz Josef Strauss
$858United Airlines
Booking Insights

KAYAK's insights & trends for flights to O'Hare Intl

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

What is the cheapest flight to Chicago O'Hare Airport?

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

In the last 5 days, the cheapest flight deal to Chicago O'Hare Airport was found on the route from Sofia, at $797 return. The most popular connection is from Varna to Chicago O'Hare Airport and KAYAK users have found round-trip deals for as low as $835 in the last 5 days.

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights to Chicago O'Hare Intl Airport, 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 to Chicago O'Hare Intl Airport is November, where tickets cost $707 on average for return flights. On the other hand, the most expensive months are August and July, where the average cost of tickets from Bulgaria is $900 and $865 respectively. For one-way flights, the best month to travel is April with an average price of $536.

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Chicago O'Hare Intl Airport, 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, you should book around 5 weeks before departure, which saves you about 11% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Find deals

Good to know

Low season

November

Cheapest flight

$385
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Sofia to Chicago O'Hare Airport

FAQs - booking Chicago O'Hare Airport flights

  • What is the cheapest flight to Chicago O'Hare Airport?

    In the last 5 days, the cheapest flight deal to Chicago O'Hare Airport was found on the route from Sofia, at $797 return. The most popular connection is from Varna to Chicago O'Hare Airport and KAYAK users have found round-trip deals for as low as $835 in the last 5 days.

  • How far is Chicago O'Hare Intl Airport from central Chicago?

    Central Chicago is 16 miles away from Chicago O'Hare Intl Airport.

  • How does KAYAK find such low prices on flights to Chicago O'Hare Airport?

    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 to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Chicago O'Hare Airport?

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

  • What is the Hacker Fare option on flights to Chicago O'Hare Airport?

    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 Chicago O'Hare Airport 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 to Chicago O'Hare Airport?

    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 Chicago O'Hare Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to Chicago O'Hare Intl Airport are there each week?

    Each week there are around 35,446 direct flights from within Bulgaria to Chicago O'Hare Intl Airport. The most common day for departures is Sunday, with 17% of flights taking off on this day.

Top tips for finding cheap flights to Chicago O'Hare Airport

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Chicago O'Hare Airport flight deals.

Everything you need to know for your flight to O'Hare Intl

Information on the airport you'll fly into in Chicago

Chicago O'Hare Airport (ORD)