What’s the cheapest layover airport for flights from Sofia to Chicago O'Hare Intl Airport?

Warsaw (WAW) is the most affordable 1-stop option, with an average round-trip price of $552.

What’s the fastest layover option from Sofia to Chicago O'Hare Intl Airport?

Flights via Warsaw (WAW) have the shortest average one-way travel time for 1-stop routes: 13h 25m.

What’s the top layover airport for flights from Sofia to Chicago O'Hare Intl Airport?

Warsaw (WAW) – chosen by Cheapflights users on 67% of 1-stop itineraries from Sofia to Chicago O'Hare Intl Airport on Cheapflights.

Which airport typically offers the quickest layover for flights from Sofia to Chicago O'Hare Intl Airport?

Flights via Warsaw (WAW) offer the fastest connection on this route, with an average layover time of 1h 03m.

How long is the flight from Sofia to Chicago O'Hare Intl Airport?

LOT and Air France can get you from Sofia to Chicago O'Hare Intl Airport in just under 16h 10m. Your travel time can differ by up to 1h 45m. There are 5194 mi between Sofia and Chicago O'Hare Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Sofia to Chicago O'Hare Intl Airport round-trip?

Our cheapest airline available from Sofia to Chicago O'Hare Intl Airport is LOT. Our recent data shows that you can find tickets from as low as $532 on this airline. Additional options worth looking into are British Airways and Air France, starting at $546 and $560 round-trip. You may be able to fly from Sofia to Chicago O'Hare Intl Airport for 26% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Sofia to Chicago O'Hare Intl Airport one-way?

$373 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on LOT and Turkish Airlines, with prices starting from $548 and $586, respectively.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What are the most popular airlines that fly from Sofia to Chicago O'Hare Intl Airport?

When booking a flight from Sofia to Chicago O'Hare Intl Airport, you may want to consider flying on LOT, Lufthansa or United Airlines as they are the most popular for this route.

Most accurate provider : When it comes to deals on Sofia-Chicago O'Hare Intl Airport flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Sofia-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Sofia-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Sofia-Chicago O'Hare Intl Airport flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sofia-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Sofia to Chicago O'Hare Intl?

Located just 4.2 mi from the city center, Sofia is the airport most travelers will use when flying to Chicago O'Hare Intl from Sofia. Booking flights from Sofia (SOF) to Chicago O'Hare Intl should be relatively easy as there are 0 daily outbound flights to Chicago O'Hare Intl from 8 different airlines.

Can I find deals for flights from Sofia to O'Hare Intl that include hotel bookings?

Yes. In addition to deals on Sofia to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Sofia to O'Hare Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sofia to O'Hare Intl.

Can I find deals for business class flights from Sofia to O'Hare Intl?

Yes. Cheapflights offers flight deals from Sofia to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$356+ Flights from Sofia to Chicago O'Hare Intl Airport

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Sofia to Chicago O'Hare Intl are usually found in March or February, booked 50 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Sofia to O'Hare Intl

Cheapest flights from Sofia to O'Hare Intl
Explore the most affordable flight options available from Sofia to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

mar. 12/236:35 pmSOF - ORD

1 stop33h 25mLOT

lun. 1/269:55 pmORD - SOF

1 stop11h 55mLOT

Deal found 12/11

$691

mié. 12/177:00 amSOF - ORD

1 stop15h 20mKLM

sáb. 1/174:25 pmORD - SOF

1 stop13h 40mKLM

Deal found 12/10

$722

mié. 12/177:00 amSOF - ORD

2 stops19h 02mMultiple Airlines

sáb. 1/1712:30 pmORD - SOF

2 stops17h 35mMultiple Airlines

Deal found 12/10

$743

mar. 12/236:00 amSOF - ORD

2 stops25h 44mUnited Airlines

lun. 1/269:50 pmORD - SOF

1 stop16h 55mUnited Airlines

Deal found 12/11

$752

lun. 12/221:45 pmSOF - ORD

1 stop32h 25mUnited Airlines

mié. 4/159:40 pmORD - SOF

1 stop17h 30mUnited Airlines

Deal found 12/10

$765

lun. 12/221:45 pmSOF - ORD

1 stop32h 25mMultiple Airlines

mié. 4/1512:50 pmORD - SOF

2 stops21h 10mMultiple Airlines

Deal found 12/10

$793

Best flights from Sofia to O'Hare Intl
Discover carefully curated flight deals from Sofia to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

sáb. 5/95:20 amSOF - ORD

1 stop17h 55mLOT

jue. 8/135:10 pmORD - SOF

2 stops36h 45mLOT

Deal found 12/11

$676

jue. 1/155:00 amSOF - ORD

2 stops19h 45mMultiple Airlines

mié. 1/287:20 pmORD - SOF

1 stop15h 25mMultiple Airlines

Deal found 12/10

$685

dom. 1/257:00 amSOF - ORD

1 stop16h 10mAir France

dom. 2/15:20 pmORD - SOF

1 stop12h 35mAir France

Deal found 12/11

$687

jue. 2/57:00 amSOF - ORD

2 stops18h 55mKLM

mié. 4/14:50 pmORD - SOF

1 stop13h 10mKLM

Deal found 12/10

$696

sáb. 1/176:25 amSOF - ORD

1 stop16h 55mLufthansa

jue. 7/233:35 pmORD - SOF

1 stop12h 30mLufthansa

Deal found 12/10

$726

dom. 1/257:00 amSOF - ORD

2 stops18h 45mMultiple Airlines

dom. 2/15:20 pmORD - SOF

1 stop12h 35mMultiple Airlines

Deal found 12/11

$691

mar. 12/236:35 pmSOF - ORD

1 stop33h 25mLOT

lun. 1/269:55 pmORD - SOF

1 stop11h 55mLOT

Deal found 12/11

$691

vie. 1/166:10 amSOF - ORD

1 stop17h 10mLufthansa

jue. 7/233:35 pmORD - SOF

1 stop12h 30mLufthansa

Deal found 12/10

$726

vie. 1/162:35 pmSOF - ORD

1 stop13h 25mLOT

jue. 7/235:10 pmORD - SOF

2 stops36h 45mLOT

Deal found 12/10

$710

Last-minute flights from Sofia to O'Hare Intl
Discover last-minute flight deals from Sofia to O'Hare Intl. Data last updated diciembre 12, 2025 and is based on user searches.

mié. 12/177:00 amSOF - ORD

1 stop15h 20mKLM

sáb. 1/174:25 pmORD - SOF

1 stop13h 40mKLM

Deal found 12/10

$722

mié. 12/177:00 amSOF - ORD

2 stops19h 02mMultiple Airlines

sáb. 1/1712:30 pmORD - SOF

2 stops17h 35mMultiple Airlines

Deal found 12/10

$743

mar. 12/236:35 pmSOF - ORD

1 stop33h 25mLOT

lun. 1/269:55 pmORD - SOF

1 stop11h 55mLOT

Deal found 12/11

$691

jue. 1/155:00 amSOF - ORD

2 stops19h 45mMultiple Airlines

mié. 1/287:20 pmORD - SOF

1 stop15h 25mMultiple Airlines

Deal found 12/10

$685

vie. 1/162:35 pmSOF - ORD

1 stop13h 25mLOT

jue. 7/239:50 pmORD - SOF

1 stop32h 05mLOT

Deal found 12/10

$697

vie. 1/166:10 amSOF - ORD

1 stop17h 10mLufthansa

jue. 7/233:35 pmORD - SOF

1 stop12h 30mLufthansa

Deal found 12/10

$726

sáb. 1/172:35 pmSOF - ORD

1 stop13h 25mLOT

sáb. 7/259:50 pmORD - SOF

1 stop20h 10mLOT

Deal found 12/10

$735

dom. 1/256:35 pmSOF - ORD

2 stops33h 20mLOT

dom. 2/19:55 pmORD - SOF

2 stops35h 55mLOT

Deal found 12/11

$684

dom. 1/257:00 amSOF - ORD

1 stop16h 10mAir France

dom. 2/15:20 pmORD - SOF

1 stop12h 35mAir France

Deal found 12/11

$687

One-way flights from Sofia to O'Hare Intl
Search for one-way flight options from Sofia to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated diciembre 12, 2025.

mar. 2/247:00 amSOF - ORD

2 stops39h 55mMultiple Airlines

Deal found 12/11

$356

mié. 2/2510:50 amSOF - ORD

2 stops36h 05mMultiple Airlines

Deal found 12/11

$359

lun. 2/2311:15 amSOF - ORD

3 stops35h 40mMultiple Airlines

Deal found 12/11

$362

lun. 3/211:15 amSOF - ORD

3 stops35h 40mMultiple Airlines

Deal found 12/11

$369

jue. 2/265:30 pmSOF - ORD

2 stops29h 25mMultiple Airlines

Deal found 12/11

$374

dom. 2/226:55 amSOF - ORD

3 stops38h 08mMultiple Airlines

Deal found 12/11

$382

dom. 3/16:55 amSOF - ORD

3 stops38h 08mMultiple Airlines

Deal found 12/11

$387

sáb. 5/235:00 amSOF - ORD

3 stops20h 50mMultiple Airlines

Deal found 12/10

$397

vie. 2/271:55 pmSOF - ORD

3 stops35h 25mMultiple Airlines

Deal found 12/11

$400

Find flight deals from Sofia to O'Hare Intl

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$676 (FlightHub)
One-way from	$356 (Kiwi.com)
Popular in	October
Cheapest in	March
Average price	$714

Provider with most accurate pricing for Sofia-Chicago O'Hare Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Sofia-Chicago O'Hare Intl flights.

Search Deals

From Sofia to Chicago O'Hare Intl

Search Deals

One-way flight from Sofia to Chicago O'Hare Intl

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($16 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights 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

SofiaChicago

SOF - ORD

SOFORD

Sofia

sáb. 5/9

5:20 am-3:15 pm

1 stop17h 55m

Chicago O'Hare Intl

jue. 8/13

5:10 pm-1:55 pm

2 stops36h 45m

$676

SofiaChicago

SOF - ORD

SOFORD

Sofia

jue. 1/15

5:00 am-4:45 pm

2 stops19h 45m

Chicago O'Hare Intl

mié. 1/28

7:20 pm-6:45 pm

1 stop15h 25m

$685

SofiaChicago

SOF - ORD

SOFORD

Sofia

dom. 1/25

7:00 am-3:10 pm

1 stop16h 10m

Chicago O'Hare Intl

dom. 2/1

5:20 pm-1:55 pm

1 stop12h 35m

$687

SofiaChicago

SOF - ORD

SOFORD

Sofia

dom. 1/25

7:00 am-5:45 pm

2 stops18h 45m

Chicago O'Hare Intl

dom. 2/1

5:20 pm-1:55 pm

1 stop12h 35m

$691

SofiaChicago

SOF - ORD

SOFORD

Sofia

mar. 12/23

6:35 pm-8:00 pm

1 stop33h 25m

Chicago O'Hare Intl

lun. 1/26

9:55 pm-5:50 pm

1 stop11h 55m

$691

SofiaChicago

SOF - ORD

SOFORD

Sofia

jue. 2/5

7:00 am-5:55 pm

2 stops18h 55m

Chicago O'Hare Intl

mié. 4/1

4:50 pm-2:00 pm

1 stop13h 10m

$696

SofiaChicago

SOF - ORD

SOFORD

Sofia

vie. 1/16

2:35 pm-8:00 pm

1 stop13h 25m

Chicago O'Hare Intl

jue. 7/23

5:10 pm-1:55 pm

2 stops36h 45m

$710

SofiaChicago

SOF - ORD

SOFORD

Sofia

sáb. 1/17

6:25 am-3:20 pm

1 stop16h 55m

Chicago O'Hare Intl

jue. 7/23

3:35 pm-12:05 pm

1 stop12h 30m

$726

SofiaChicago

SOF - ORD

SOFORD

Sofia

vie. 1/16

6:10 am-3:20 pm

1 stop17h 10m

Chicago O'Hare Intl

jue. 7/23

3:35 pm-12:05 pm

1 stop12h 30m

$726

SofiaChicago

SOF - ORD

SOFORD

Sofia

mar. 2/24

7:00 am-2:55 pm

2 stops39h 55m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 18 results

Compare providers for flights from Sofia to O'Hare Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sofia to O'Hare Intl in December.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
oojo	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Sofia-Chicago O'Hare Intl Airport flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Sofia-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Sofia-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Sofia-Chicago O'Hare Intl Airport flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sofia-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sofia to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Sofia with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sofia to Chicago O'Hare Intl Airport

Prices

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

To ensure you get the cheapest price possible for a flight from Sofia to Chicago O'Hare Intl Airport, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Sofia to Chicago O'Hare Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Sofia to Chicago O'Hare Intl Airport (average of $524). Flying from Sofia to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $670). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SOF to ORD?

A simple way to save on the total cost of your ticket is to fly from Sofia to Chicago O'Hare Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with LOT, Austrian Airlines, and United Airlines from Sofia to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

LOT

7.6

Good

1,146 reviews

Reviews

1 / 20

10.0

Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

LOT

7.6

Good

1,146 reviews

LOT

7.6

Good

1,146 reviews

Reviews

1 / 20

10.0

Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Austrian Airlines

7.6

Good

879 reviews

LOT

7.6

Good

1,146 reviews

Reviews

1 / 20

10.0

Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

United Airlines

7.4

Good

9,095 reviews

LOT

7.6

Good

1,146 reviews

Reviews

1 / 20

10.0

Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Turkish Airlines

7.3

Good

4,089 reviews

LOT

7.6

Good

1,146 reviews

Reviews

1 / 20

10.0

Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Lufthansa

6.8

Okay

7,626 reviews

LOT

7.6

Good

1,146 reviews

Reviews

1 / 20

10.0

Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Related info for your journey

What airport do you fly from for flights from Sofia to Chicago O'Hare Intl?
Located just 4.2 mi from the city center, Sofia is the airport most travelers will use when flying to Chicago O'Hare Intl from Sofia. Booking flights from Sofia (SOF) to Chicago O'Hare Intl should be relatively easy as there are 0 daily outbound flights to Chicago O'Hare Intl from 8 different airlines.
How long is the flight from Sofia to Chicago O'Hare Intl Airport?
LOT and Air France can get you from Sofia to Chicago O'Hare Intl Airport in just under 16h 10m. Your travel time can differ by up to 1h 45m. There are 5194 mi between Sofia and Chicago O'Hare Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Sofia to Chicago O'Hare Intl Airport round-trip?
Our cheapest airline available from Sofia to Chicago O'Hare Intl Airport is LOT. Our recent data shows that you can find tickets from as low as $532 on this airline. Additional options worth looking into are British Airways and Air France, starting at $546 and $560 round-trip. You may be able to fly from Sofia to Chicago O'Hare Intl Airport for 26% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Sofia to Chicago O'Hare Intl Airport one-way?
$373 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on LOT and Turkish Airlines, with prices starting from $548 and $586, respectively.
Can I find deals for flights from Sofia to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Sofia to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sofia to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sofia to O'Hare Intl.
Can I find deals for business class flights from Sofia to O'Hare Intl?
Yes. Cheapflights offers flight deals from Sofia to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sofia to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Sofia to Chicago O'Hare Intl Airport (average of $524). Flying from Sofia to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $670). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 8 airlines flying from Sofia to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
LOT	Cheapest$532	Average$670	FlexibilityNo cancel fee	On-time81%
British Airways	Cheapest$546	Average$619	FlexibilityNo cancel fee	On-time70%
Air France	Cheapest$560	Average$670	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$607	Average$737	FlexibilityNo cancel fee	On-time75%
Turkish Airlines	Cheapest$625	Average$726	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$639	Average$769	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$643	Average$765	FlexibilityNo cancel fee	On-time69%
Austrian Airlines	Cheapest$654	Average$771	FlexibilityNo cancel fee	On-time78%

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$356+ Cheap flights from Sofia (SOF) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sofia to O'Hare Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Sofia to Chicago O'Hare Intl are usually found in March or February, booked 50 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Sofia to O'Hare Intl

Cheapest flights from Sofia to O'Hare IntlExplore the most affordable flight options available from Sofia to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

Explore the most affordable flight options available from Sofia to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

Find flight deals from Sofia to O'Hare Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Sofia to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

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Everything you need to know about your flight from Sofia to Chicago O'Hare Intl Airport

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What’s the top layover airport for flights from Sofia to Chicago O'Hare Intl Airport?

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What’s the fastest layover option from Sofia to Chicago O'Hare Intl Airport?

Which airport typically offers the quickest layover for flights from Sofia to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with LOT, Austrian Airlines, and United Airlines from Sofia to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sofia to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Sofia to Chicago O'Hare Intl?

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What are the cheapest airlines flying from Sofia to Chicago O'Hare Intl Airport round-trip?

What are the cheapest airlines to fly from Sofia to Chicago O'Hare Intl Airport one-way?

Can I find deals for flights from Sofia to O'Hare Intl that include hotel bookings?

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Can I find deals for business class flights from Sofia to O'Hare Intl?

What is the cheapest month to book a flight from Sofia to Chicago O'Hare Intl Airport?

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Alternative routes for Sofia to O'Hare Intl

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Top 8 airlines flying from Sofia to O'Hare Intl

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Cheapest flights from Sofia to O'Hare Intl
Explore the most affordable flight options available from Sofia to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.