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Cheap flights from Sofia to Chicago from $350

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sofia to Chicago departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
LOT Logo
6:45 pm - 7:50 pm
SOF
-
ORD
33h 05m
1 stop
LOT Logo
5:10 pm - 1:50 pm
ORD
-
SOF
12h 40m
1 stop
$712LOT
Wed, Sep 9 - Wed, Sep 30
LOT Logo
6:45 pm - 7:50 pm
SOF
-
ORD
33h 05m
1 stop
LOT Logo
9:50 pm - 6:00 pm
ORD
-
SOF
12h 10m
1 stop
$713LOT
Wed, Sep 9 - Wed, Sep 30
LOT Logo
6:45 pm - 3:10 pm
SOF
-
ORD
28h 25m
1 stop
LOT Logo
9:50 pm - 6:00 pm
ORD
-
SOF
12h 10m
1 stop
$714LOT
Wed, Sep 9 - Sat, Sep 19
LOT Logo
6:45 pm - 7:50 pm
SOF
-
ORD
33h 05m
1 stop
LOT Logo
9:50 pm - 6:00 pm
ORD
-
SOF
12h 10m
1 stop
$715LOT
Wed, Sep 9 - Wed, Sep 30
LOT Logo
6:45 pm - 3:05 pm
SOF
-
ORD
28h 20m
2 stops
LOT Logo
9:50 pm - 6:00 pm
ORD
-
SOF
12h 10m
1 stop
$724LOT
Wed, Sep 9 - Wed, Sep 30
LOT Logo
6:45 pm - 3:05 pm
SOF
-
ORD
28h 20m
2 stops
LOT Logo
5:10 pm - 6:00 pm
ORD
-
SOF
16h 50m
1 stop
$725LOT
Wed, Sep 9 - Wed, Sep 30
LOT Logo
6:45 pm - 3:05 pm
SOF
-
ORD
28h 20m
2 stops
LOT Logo
5:10 pm - 6:00 pm
ORD
-
SOF
16h 50m
1 stop
$726LOT
Wed, Sep 9 - Wed, Sep 30
LOT Logo
6:45 pm - 3:05 pm
SOF
-
ORD
28h 20m
2 stops
LOT Logo
9:50 pm - 1:50 pm
ORD
-
SOF
32h 00m
1 stop
$727LOT
Wed, Sep 9 - Sat, Sep 19
LOT Logo
6:35 pm - 7:55 pm
SOF
-
ORD
33h 20m
1 stop
LOT Logo
9:50 pm - 5:50 pm
ORD
-
SOF
12h 00m
1 stop
$738LOT
Fri, Nov 6 - Sat, Nov 21
Turkish Airlines Logo
11:55 am - 7:20 pm
SOF
-
ORD
15h 25m
1 stop
Turkish Airlines Logo
11:45 am - 3:10 pm
ORD
-
SOF
19h 25m
1 stop
$752Turkish Airlines
Sun, Nov 1 - Sun, Nov 15

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KLM flights from Sofia to Chicago O'Hare Intl Airport

Our best KLM deals on Sofia to Chicago O'Hare Intl Airport flight tickets
KLM
Sep 17
SOF7:00 amSofia
15h 15m
1 stop
ORD2:15 pmChicago O'Hare Intl
Oct 3
ORD4:20 pmChicago O'Hare Intl
13h 40m
1 stop
SOF2:00 pmSofia
$762
KLM
Sep 17
SOF7:00 amSofia
15h 15m
1 stop
ORD2:15 pmChicago O'Hare Intl
Oct 3
ORD4:20 pmChicago O'Hare Intl
13h 40m
1 stop
SOF2:00 pmSofia
$764
KLM
Sep 11
SOF7:00 amSofia
15h 15m
1 stop
ORD2:15 pmChicago O'Hare Intl
Oct 18
ORD1:35 pmChicago O'Hare Intl
16h 25m
2 stops
SOF2:00 pmSofia
$765

Air Canada flights from Sofia to Chicago O'Hare Intl Airport

Our best Air Canada deals on Sofia to Chicago O'Hare Intl Airport flight tickets
Air Canada
Sep 10
SOF6:30 amSofia
21h 42m
2 stops
ORD8:12 pmChicago O'Hare Intl
Oct 15
ORD11:05 amChicago O'Hare Intl
23h 20m
2 stops
SOF6:25 pmSofia
$796
Air Canada
Sep 9
SOF6:10 amSofia
36h 07m
2 stops
ORD10:17 amChicago O'Hare Intl
Oct 17
ORD8:45 amChicago O'Hare Intl
20h 15m
2 stops
SOF1:00 pmSofia
$808
Air Canada
Jun 24
SOF1:50 pmSofia
26h 00m
2 stops
ORD7:50 amChicago O'Hare Intl
Jul 21
ORD8:45 amChicago O'Hare Intl
25h 55m
2 stops
SOF6:40 pmSofia
$908

momondo Fare Finder

 
Customize your flight search to find flights from Sofia to Chicago O'Hare Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 20, 2026.
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 - ORD

SOFORD

Sofia

Wed 9/9

6:45 pm-7:50 pm

1 stop33h 05m

Chicago O'Hare Intl

Wed 9/30

5:10 pm-1:50 pm

1 stop12h 40m

$712

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/9

6:45 pm-7:50 pm

1 stop33h 05m

Chicago O'Hare Intl

Wed 9/30

9:50 pm-6:00 pm

1 stop12h 10m

$713

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/9

6:45 pm-3:10 pm

1 stop28h 25m

Chicago O'Hare Intl

Sat 9/19

9:50 pm-6:00 pm

1 stop12h 10m

$714

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/9

6:45 pm-7:50 pm

1 stop33h 05m

Chicago O'Hare Intl

Wed 9/30

9:50 pm-6:00 pm

1 stop12h 10m

$715

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/9

6:45 pm-3:05 pm

2 stops28h 20m

Chicago O'Hare Intl

Wed 9/30

9:50 pm-6:00 pm

1 stop12h 10m

$724

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/9

6:45 pm-3:05 pm

2 stops28h 20m

Chicago O'Hare Intl

Wed 9/30

5:10 pm-6:00 pm

1 stop16h 50m

$725

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/9

6:45 pm-3:05 pm

2 stops28h 20m

Chicago O'Hare Intl

Wed 9/30

5:10 pm-6:00 pm

1 stop16h 50m

$726

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 9/9

6:45 pm-3:05 pm

2 stops28h 20m

Chicago O'Hare Intl

Sat 9/19

9:50 pm-1:50 pm

1 stop32h 00m

$727

SofiaChicago

SOF - ORD

SOFORD

Sofia

Fri 11/6

6:35 pm-7:55 pm

1 stop33h 20m

Chicago O'Hare Intl

Sat 11/21

9:50 pm-5:50 pm

1 stop12h 00m

$738
Quickest round-trip

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 11/1

11:55 am-7:20 pm

1 stop15h 25m

Chicago O'Hare Intl

Sun 11/15

11:45 am-3:10 pm

1 stop19h 25m

$752

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?

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

The month of December is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Sofia averaging around $728.

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 $785 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 $717 on momondo.

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

As of June 2026, prices for Sofia to Chicago O'Hare Intl Airport flights are approximately 11% more expensive 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

Fastest flight time

14h 25m

Direct flights

None
The fastest flight from Sofia to Chicago O'Hare Intl Airport takes 14h 25m
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. 14h 25m 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
Turkish AirlinesPriceFrom $594Free CancellationRating
7.4
4,409 reviews
Search Turkish Airlines flights
LOTPriceFrom $629Free CancellationRating
7.5
1,202 reviews
Search LOT flights
KLMPriceFrom $652Free CancellationRating
7.8
1,530 reviews
Search KLM flights
Austrian AirlinesPriceFrom $658Free CancellationRating
7.6
937 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $703Free CancellationRating
7.4
9,865 reviews
Search United Airlines flights
LufthansaPriceFrom $710Free CancellationRating
6.8
8,084 reviews
Search Lufthansa flights

Traveling to a place near Chicago?

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

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.

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