Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sofia to Chicago from $394

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sofia to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:10 am - 7:15 pmSOF  Sofia-ORD Chicago O'Hare Intl
20h 05m2 stops Malaga Dublin
Multiple Airlines Logo
3:35 pm - 12:20 pmORD  Chicago O'Hare Intl-SOF Sofia
12h 45m1 stop Munich Franz Josef Strauss
$805Multiple Airlines
Thu, Jan 21 - Thu, Apr 29
Multiple Airlines Logo
7:10 am - 7:15 pmSOF  Sofia-ORD Chicago O'Hare Intl
20h 05m2 stops Malaga Dublin
Multiple Airlines Logo
9:40 pm - 6:45 pmORD  Chicago O'Hare Intl-SOF Sofia
13h 05m1 stop Munich Franz Josef Strauss
$805Multiple Airlines
Thu, Jan 21 - Sat, Apr 24
LOT Logo
5:30 am - 7:50 pmSOF  Sofia-ORD Chicago O'Hare Intl
22h 20m1 stop Warsaw Frederic Chopin
LOT Logo
9:50 pm - 6:00 pmORD  Chicago O'Hare Intl-SOF Sofia
12h 10m1 stop Warsaw Frederic Chopin
$807LOT
Wed, Apr 21 - Fri, May 21
LOT Logo
2:35 pm - 7:55 pmSOF  Sofia-ORD Chicago O'Hare Intl
13h 20m1 stop Warsaw Frederic Chopin
LOT Logo
9:50 pm - 5:55 pmORD  Chicago O'Hare Intl-SOF Sofia
12h 05m1 stop Warsaw Frederic Chopin
$808LOT
Sun, Dec 13 - Tue, Mar 9
Turkish Airlines Logo
4:00 pm - 10:00 amSOF  Sofia-ORD Chicago O'Hare Intl
26h 00m1 stop Istanbul
Turkish Airlines Logo
8:15 pm - 10:50 amORD  Chicago O'Hare Intl-SOF Sofia
30h 35m1 stop Istanbul
$870Turkish Airlines
Mon, Dec 14 - Wed, Dec 30
Turkish Airlines Logo
9:45 pm - 10:00 amSOF  Sofia-ORD Chicago O'Hare Intl
20h 15m1 stop Istanbul
Turkish Airlines Logo
11:20 am - 8:45 amORD  Chicago O'Hare Intl-SOF Sofia
13h 25m1 stop Istanbul
$871Turkish Airlines
Thu, Jan 21 - Mon, Apr 26
Lufthansa Logo
6:25 am - 1:10 pmSOF  Sofia-ORD Chicago O'Hare Intl
14h 45m1 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
$872Lufthansa
Thu, Nov 26 - Thu, Dec 10
Lufthansa Logo
6:25 am - 1:10 pmSOF  Sofia-ORD Chicago O'Hare Intl
14h 45m1 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
$874Lufthansa
Fri, Jan 29 - Sat, Feb 6
United Airlines Logo
6:25 am - 1:10 pmSOF  Sofia-ORD Chicago O'Hare Intl
14h 45m1 stop Frankfurt am Main
United Airlines Logo
8:40 am - 1:25 pmORD  Chicago O'Hare Intl-SOF Sofia
20h 45m2 stops Washington, D.C. Dulles Intl Frankfurt am Main
$885United Airlines
Fri, Jan 29 - Sat, Feb 6
United Airlines Logo
6:25 am - 3:20 pmSOF  Sofia-ORD Chicago O'Hare Intl
16h 55m1 stop Frankfurt am Main
United Airlines Logo
7:00 am - 1:25 pmORD  Chicago O'Hare Intl-SOF Sofia
22h 25m2 stops Washington, D.C. Reagan-National Frankfurt am Main
$889United Airlines
Mon, Dec 14 - Wed, Dec 30

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Lufthansa flights from Sofia to Chicago O'Hare Intl Airport

Our best Lufthansa deals on Sofia to Chicago O'Hare Intl Airport flight tickets
Lufthansa
Nov 26
SOF6:25 amSofia
14h 45m
1 stop
ORD1:10 pmChicago O'Hare Intl
Dec 10
ORD9:50 pmChicago O'Hare Intl
17h 05m
1 stop
SOF10:55 pmSofia
$872
Lufthansa
Nov 26
SOF6:25 amSofia
14h 45m
1 stop
ORD1:10 pmChicago O'Hare Intl
Dec 10
ORD6:00 pmChicago O'Hare Intl
20h 55m
1 stop
SOF10:55 pmSofia
$874
Lufthansa
Nov 21
SOF7:05 pmSofia
31h 20m
1 stop
ORD6:25 pmChicago O'Hare Intl
Dec 1
ORD9:50 pmChicago O'Hare Intl
12h 30m
1 stop
SOF6:20 pmSofia
$922

United Airlines flights from Sofia to Chicago O'Hare Intl Airport

Our best United Airlines deals on Sofia to Chicago O'Hare Intl Airport flight tickets
United Airlines
Jan 29
SOF6:25 amSofia
14h 45m
1 stop
ORD1:10 pmChicago O'Hare Intl
Feb 6
ORD8:40 amChicago O'Hare Intl
20h 45m
2 stops
SOF1:25 pmSofia
$885
United Airlines
Nov 22
SOF6:25 amSofia
16h 55m
1 stop
ORD3:20 pmChicago O'Hare Intl
Dec 5
ORD6:50 amChicago O'Hare Intl
22h 25m
2 stops
SOF1:15 pmSofia
$892
United Airlines
Nov 26
SOF6:00 amSofia
20h 25m
1 stop
ORD6:25 pmChicago O'Hare Intl
Dec 10
ORD6:00 pmChicago O'Hare Intl
11h 15m
1 stop
SOF1:15 pmSofia
$896

momondo Fare Finder

 
Use the filters below to find and compare flights from Sofia to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Thu 1/21

7:10 am-7:15 pm

2 stops20h 05m

Chicago O'Hare Intl

Thu 4/29

3:35 pm-12:20 pm

1 stop12h 45m

$805

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Thu 1/21

7:10 am-7:15 pm

2 stops20h 05m

Chicago O'Hare Intl

Sat 4/24

9:40 pm-6:45 pm

1 stop13h 05m

$805

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Wed 4/21

5:30 am-7:50 pm

1 stop22h 20m

Chicago O'Hare Intl

Fri 5/21

9:50 pm-6:00 pm

1 stop12h 10m

$807
Quickest round-trip

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Sun 12/13

2:35 pm-7:55 pm

1 stop13h 20m

Chicago O'Hare Intl

Tue 3/9

9:50 pm-5:55 pm

1 stop12h 05m

$808

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Mon 12/14

4:00 pm-10:00 am

1 stop26h 00m

Chicago O'Hare Intl

Wed 12/30

8:15 pm-10:50 am

1 stop30h 35m

$870

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Thu 1/21

9:45 pm-10:00 am

1 stop20h 15m

Chicago O'Hare Intl

Mon 4/26

11:20 am-8:45 am

1 stop13h 25m

$871

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Thu 11/26

6:25 am-1:10 pm

1 stop14h 45m

Chicago O'Hare Intl

Thu 12/10

9:50 pm-10:55 pm

1 stop17h 05m

$872

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Fri 1/29

6:25 am-1:10 pm

1 stop14h 45m

Chicago O'Hare Intl

Sat 2/6

9:50 pm-10:55 pm

1 stop17h 05m

$874

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Fri 1/29

6:25 am-1:10 pm

1 stop14h 45m

Chicago O'Hare Intl

Sat 2/6

8:40 am-1:25 pm

2 stops20h 45m

$885

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Mon 12/14

6:25 am-3:20 pm

1 stop16h 55m

Chicago O'Hare Intl

Wed 12/30

7:00 am-1:25 pm

2 stops22h 25m

$889

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Chicago from

How to get the cheapest flight ticket from Sofia to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Sofia and Chicago O'Hare Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $807 to $1,019.
The lowest price recently found on this route was $805.

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

The month of May is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Sofia averaging around $798.

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Sofia when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $859 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Sofia for as low as $737 on momondo.

How have Sofia to Chicago O'Hare Intl Airport flight prices changed over time?

As of November 2026, prices for Sofia to Chicago O'Hare Intl Airport flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Sofia to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sofia to Chicago O'Hare Intl Airport (SOF to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Chicago O'Hare Intl Airport

Best Price Found

$394

Fastest flight time

12h 40m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from Sofia in the past 72 hours is $394. The best round-trip flight deal from Sofia to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $805.
The fastest flight from Sofia to Chicago O'Hare Intl Airport takes 12h 40m
There are no direct flights from Sofia to Chicago O'Hare Intl Airport. There are no popular flight routes from Sofia to Chicago O'Hare Intl Airport.
Search flight deals

Frequently asked questions about flying from Sofia to Chicago O'Hare Intl Airport

  • How far is Sofia to Chicago O'Hare Intl by plane?

    The distance between Sofia and Chicago O'Hare Intl is about 5191.0 mi. 12h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Sofia Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Sofia Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sofia Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Sofia Airport to Chicago O'Hare Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sofia to Chicago O'Hare Intl Airport?

Best airlines flying from Sofia to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Sofia to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
LOTPriceFrom $640Free CancellationRating
7.5
1,192 reviews
Search LOT flights
KLMPriceFrom $650Free CancellationRating
7.8
1,597 reviews
Search KLM flights
Turkish AirlinesPriceFrom $685Free CancellationRating
7.4
4,464 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $751Free CancellationRating
6.8
8,294 reviews
Search Lufthansa flights
United AirlinesPriceFrom $776Free CancellationRating
7.3
10,494 reviews
Search United Airlines flights
Austrian AirlinesPriceFrom $845Free CancellationRating
7.5
983 reviews
Search Austrian Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
Merrillville
Rockford
South Haven
Oak Brook
Rosemont
Gurnee
Orland Park
Joliet
Naperville
New Buffalo
Kenosha
Hammond
Aurora
Racine
Elgin
Janesville
Skokie
Waukegan

Why use momondo?

Why should I use momondo to find a flight deal from Sofia to Chicago?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sofia to Chicago. momondo saves you time and could save you money on your trip.

Can I find flights from Sofia to Chicago with flexible booking policies on momondo?

Flights from Sofia to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sofia to Chicago?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sofia to Chicago.

I’m not ready to book a flight from Sofia to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Sofia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 12/15
Tue 12/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago