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O'Hare Intl

$353+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Sofia to Chicago O'Hare Intl are usually found in November or February, booked 34 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Sofia to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$640
(oojo)

One-way from

$353
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$686
Provider with most accurate pricing for Sofia-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Sofia-Chicago O'Hare Intl flights.
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From Sofia to Chicago O'Hare Intl
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One-way flight from Sofia to Chicago O'Hare Intl
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Highest demand for flights based on searches. 10% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 28, 2025.

This oojo deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/55:20 amSOF - ORD
1 stop17h 50mLOT
Sun 4/69:40 pmORD - SOF
1 stop32h 10mLOT
Deal found 3/27$640
This KLM deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:00 amSOF - ORD
1 stop15h 10mKLM
Sun 6/84:20 pmORD - SOF
1 stop13h 40mKLM
Deal found 3/27$641
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:15 amSOF - ORD
2 stops21h 15mUnited Airlines
Fri 5/96:15 pmORD - SOF
1 stop20h 35mUnited Airlines
Deal found 3/26$651
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/302:20 pmSOF - ORD
2 stops24h 55mAmerican Airlines
Sat 6/287:10 pmORD - SOF
1 stop17h 10mAmerican Airlines
Deal found 3/26$655
This Lufthansa deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:00 amSOF - ORD
1 stop15h 55mMultiple Airlines
Wed 3/188:05 pmORD - SOF
1 stop12h 10mMultiple Airlines
Deal found 3/26$663
This Austrian Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/66:55 pmSOF - ORD
1 stop26h 25mAustrian Airlines
Fri 11/284:20 pmORD - SOF
1 stop23h 35mAustrian Airlines
Deal found 3/26$672
This Lufthansa deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/67:25 pmSOF - ORD
1 stop26h 30mLufthansa
Sun 11/306:00 pmORD - SOF
1 stop20h 45mLufthansa
Deal found 3/26$675
This Air Canada deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/76:15 amSOF - ORD
2 stops36h 32mAir Canada
Wed 11/267:20 amORD - SOF
2 stops22h 15mAir Canada
Deal found 3/26$684
This FlightHub deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/273:35 pmSOF - ORD
1 stop26h 05mTurkish Airlines
Sat 8/97:50 pmORD - SOF
1 stop28h 45mTurkish Airlines
Deal found 3/26$689
This Air Serbia deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/264:00 pmSOF - ORD
1 stop13h 10mAir Serbia
Sat 11/296:40 pmORD - SOF
1 stop24h 20mAir Serbia
Deal found 3/26$706
This SWISS deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/510:50 amSOF - ORD
2 stops34h 55mSWISS
Thu 11/277:05 pmORD - SOF
2 stops15h 05mSWISS
Deal found 3/27$768
This British Airways deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:15 pmSOF - ORD
1 stop25h 40mBritish Airways
Sun 11/306:45 pmORD - SOF
1 stop13h 35mBritish Airways
Deal found 3/26$815

Cheapflights Fare Finder

Customize your flight search to find flights from Sofia to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Sofia to Chicago O'Hare Intl Airport that are best for you.

Fly from

Sofia

Fly to

O'Hare Intl

Route

Depart

Return

Price

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 4/7

6:40 pm-7:40 pm

1 stop33h 00m

Chicago O'Hare Intl

Sat 8/30

9:40 pm-5:55 pm

1 stop12h 15m

$640

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 4/29

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Sun 6/8

4:20 pm-2:00 pm

1 stop13h 40m

$641

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 4/24

6:15 am-7:30 pm

2 stops21h 15m

Chicago O'Hare Intl

Fri 5/9

6:15 pm-10:50 pm

1 stop20h 35m

$651

SofiaChicago

SOF - ORD

SOFORD

Sofia

Fri 5/30

2:20 pm-7:15 am

2 stops24h 55m

Chicago O'Hare Intl

Sat 6/28

7:10 pm-8:20 pm

1 stop17h 10m

$655

SofiaChicago

SOF - ORD

SOFORD

Sofia

Tue 4/29

6:00 am-1:55 pm

1 stop15h 55m

Chicago O'Hare Intl

Wed 3/18

8:05 pm-3:15 pm

1 stop12h 10m

$663

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 4/6

6:55 pm-1:20 pm

1 stop26h 25m

Chicago O'Hare Intl

Fri 11/28

4:20 pm-11:55 pm

1 stop23h 35m

$672

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 4/6

7:25 pm-1:55 pm

1 stop26h 30m

Chicago O'Hare Intl

Sun 11/30

6:00 pm-10:45 pm

1 stop20h 45m

$675

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 4/7

6:15 am-10:47 am

2 stops36h 32m

Chicago O'Hare Intl

Wed 11/26

7:20 am-1:35 pm

2 stops22h 15m

$684

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 7/27

3:35 pm-9:40 am

1 stop26h 05m

Chicago O'Hare Intl

Sat 8/9

7:50 pm-8:35 am

1 stop28h 45m

$689

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 8/17

9:10 pm-11:50 am

1 stop22h 40m

Chicago O'Hare Intl

Sun 12/14

6:45 pm-4:20 pm

1 stop13h 35m

$1,375

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 21 results
1
2
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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.
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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sofia-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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

Use this chart to determine the optimal time to book a round-trip flight from Sofia to O'Hare Intl. Price data was last updated on March 21, 2025.

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 34 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, August is the cheapest month in which you can book a flight from Sofia to Chicago O'Hare Intl Airport (average of $245). Flying from Sofia to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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?

Find hourly flight availability from Sofia to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

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 16% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Sofia to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Sofia to O'Hare Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Sofia to Chicago O'Hare Intl Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

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.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated March 28, 2025.
To help decide which airline to fly from Sofia to Chicago, see what other customers have to say about Emirates, KLM and LOT. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.0
Very good
3,190 reviews

Comfort

8.0

Crew

8.3

Food

7.8

Boarding

8.1

Entertainment

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,190 reviews
Emirates
8.0
Very good
3,190 reviews

Comfort

8.0

Crew

8.3

Food

7.8

Boarding

8.1

Entertainment

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,321 reviews
Emirates
8.0
Very good
3,190 reviews

Comfort

8.0

Crew

8.3

Food

7.8

Boarding

8.1

Entertainment

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
LOT
7.6
Good
1,063 reviews
Emirates
8.0
Very good
3,190 reviews

Comfort

8.0

Crew

8.3

Food

7.8

Boarding

8.1

Entertainment

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Austrian Airlines
7.5
Good
769 reviews
Emirates
8.0
Very good
3,190 reviews

Comfort

8.0

Crew

8.3

Food

7.8

Boarding

8.1

Entertainment

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Qatar Airways
7.4
Good
3,538 reviews
Emirates
8.0
Very good
3,190 reviews

Comfort

8.0

Crew

8.3

Food

7.8

Boarding

8.1

Entertainment

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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?

    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.

  • 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 $640 on this airline. Additional options worth looking into are KLM and United Airlines, starting at $641 and $651 round-trip. You may be able to fly from Sofia to Chicago O'Hare Intl Airport for 11% 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?

    $434 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 Qatar Airways and British Airways, with prices starting from $561 and $627, 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, August is the cheapest month in which you can book a flight from Sofia to Chicago O'Hare Intl Airport (average of $245). Flying from Sofia to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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.

See more FAQs

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Alternative routes for Sofia to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Sofia to Midway flights

Top 8 airlines flying from Sofia to O'Hare Intl

Discover the top 8 airlines that operate flights from Sofia to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$460Average$796FlexibilityNo cancel feeOn-time75%
LOTCheapest$490Average$639FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$546Average$864FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$560Average$672FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$576Average$728FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$592Average$771FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$603Average$724FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$627Average$708FlexibilityNo cancel feeOn-time77%
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