O'Hare Intl

$383+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ORD
Feb 25 — Mar 41
We work with more than 300 partners to bring you better travel deals

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

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$584
(Gotogate)

One-way from

$383
(Mytrip)

Popular in

August

Cheapest in

November

Average price

$669
Provider with most accurate pricing for Sofia-Chicago O'Hare Intl flight deals.
Provider most trusted by Cheapflights users for Sofia-Chicago O'Hare Intl flights.
From Sofia to Chicago O'Hare Intl
One-way flight from Sofia to Chicago O'Hare Intl
Highest demand for flights based on searches. 11% potential increase in price ($89 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in February 2025

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 February 20, 2025.

This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/66:40 pmSOF - ORD
1 stop33h 00mLOT
Sun 4/139:40 pmORD - SOF
1 stop32h 10mLOT
Deal found 2/20$584
This British Airways deal was found by Cheapflights users on 2/19. 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.
Wed 4/29:30 pmSOF - ORD
1 stop22h 20mBritish Airways
Fri 5/25:10 pmORD - SOF
2 stops43h 10mBritish Airways
Deal found 2/19$597
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/56:00 amSOF - ORD
2 stops16h 45mUnited Airlines
Wed 3/127:25 amORD - SOF
2 stops22h 35mUnited Airlines
Deal found 2/19$625
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1312:45 pmSOF - ORD
2 stops31h 25mMultiple Airlines
Sun 4/276:15 pmORD - SOF
1 stop15h 35mMultiple Airlines
Deal found 2/20$630
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/31:45 pmSOF - ORD
1 stop12h 40mLufthansa
Tue 3/184:55 pmORD - SOF
1 stop22h 30mLufthansa
Deal found 2/20$638
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Wed 3/191:45 pmSOF - ORD
2 stops25h 12mAir Canada
Mon 9/82:40 pmORD - SOF
2 stops14h 20mAir Canada
Deal found 2/20$649
This KLM deal was found by Cheapflights users on 2/18. 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.
Thu 2/277:00 amSOF - ORD
2 stops18h 25mKLM
Wed 3/125:25 pmORD - SOF
1 stop13h 40mKLM
Deal found 2/18$663
This Turkish Airlines deal was found by Cheapflights users on 2/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/99:15 amSOF - ORD
1 stop32h 25mTurkish Airlines
Thu 4/247:50 pmORD - SOF
1 stop34h 55mTurkish Airlines
Deal found 2/20$685
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1312:45 pmSOF - ORD
2 stops31h 25mSWISS
Sun 4/279:35 pmORD - SOF
2 stops30h 55mSWISS
Deal found 2/20$690
This oojo deal was found by Cheapflights users on 2/20. 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.
Mon 3/36:45 pmSOF - ORD
2 stops25h 30mAustrian Airlines
Tue 3/181:00 pmORD - SOF
2 stops15h 50mAustrian Airlines
Deal found 2/20$702
This Gurufare deal was found by Cheapflights users on 2/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/276:00 pmSOF - ORD
1 stop27h 10mITA Airways
Sat 8/93:00 pmORD - SOF
1 stop18h 10mITA Airways
Deal found 2/20$784
This Aeromexico deal was found by Cheapflights users on 2/19. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/227:00 amSOF - ORD
1 stop16h 05mAir France
Sat 3/85:13 pmORD - SOF
2 stops36h 42mAir France
Deal found 2/19$798

Find flights from Sofia to O'Hare Intl within your budget

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 February 20, 2025.

Fly from

Sofia

Fly to

O'Hare Intl

Route

Depart

Return

Price

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 4/6

6:40 pm-7:40 pm

1 stop33h 00m

Chicago O'Hare Intl

Sun 4/13

9:40 pm-1:50 pm

1 stop32h 10m

$584

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 4/2

9:30 pm-11:50 am

1 stop22h 20m

Chicago O'Hare Intl

Fri 5/2

5:10 pm-8:20 pm

2 stops43h 10m

$597

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 3/5

6:00 am-2:45 pm

2 stops16h 45m

Chicago O'Hare Intl

Wed 3/12

7:25 am-1:00 pm

2 stops22h 35m

$625

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 4/13

12:45 pm-12:10 pm

2 stops31h 25m

Chicago O'Hare Intl

Sun 4/27

6:15 pm-5:50 pm

1 stop15h 35m

$630

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 3/3

1:45 pm-6:25 pm

1 stop12h 40m

Chicago O'Hare Intl

Tue 3/18

4:55 pm-10:25 pm

1 stop22h 30m

$638

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 3/19

1:45 pm-7:57 am

2 stops25h 12m

Chicago O'Hare Intl

Mon 9/8

2:40 pm-1:00 pm

2 stops14h 20m

$649

SofiaChicago

SOF - ORD

SOFORD

Sofia

Thu 3/13

7:00 am-6:56 pm

2 stops18h 56m

Chicago O'Hare Intl

Wed 3/26

1:35 pm-2:05 pm

2 stops17h 30m

$667

SofiaChicago

SOF - ORD

SOFORD

Sofia

Wed 4/9

9:15 am-9:40 am

1 stop32h 25m

Chicago O'Hare Intl

Thu 4/24

7:50 pm-2:45 pm

1 stop34h 55m

$685

SofiaChicago

SOF - ORD

SOFORD

Sofia

Sun 4/13

12:45 pm-12:10 pm

2 stops31h 25m

Chicago O'Hare Intl

Sun 4/27

9:35 pm-12:30 pm

2 stops30h 55m

$690

SofiaChicago

SOF - ORD

SOFORD

Sofia

Mon 3/3

6:45 pm-12:15 pm

2 stops25h 30m

Chicago O'Hare Intl

Tue 3/18

1:00 pm-11:50 am

2 stops15h 50m

$702

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 27 results
1
2
3

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 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.

Travel insights for flights from Sofia to O'Hare Intl

Get recent, data-driven insights about flights from Sofia to O'Hare Intl including ideal travel times, pricing trends, and more.

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 February 14, 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 $321). 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 February 20, 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 February 20, 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.

Food

7.9

Overall

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Boarding

8.1

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.

Food

7.9

Overall

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Boarding

8.1

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.

Food

7.9

Overall

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Boarding

8.1

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.

Food

7.9

Overall

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Boarding

8.1

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.

Food

7.9

Overall

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Boarding

8.1

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.

Food

7.9

Overall

8.1

Comfort

8.0

Crew

8.3

Entertainment

8.2

Boarding

8.1

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 9 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 $584 on this airline. Additional options worth looking into are British Airways and United Airlines, starting at $597 and $625 round-trip. You may be able to fly from Sofia to Chicago O'Hare Intl Airport for 18% 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?

    $389 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 $543 and $601, 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 $321). 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

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Naperville
Rosemont
Schaumburg
Beloit
Racine
Hoffman Estates
Rockford
Tinley Park
Skokie
Arlington Heights
Northbrook
Joliet
Orland Park
Merrillville
Kenosha
Lake Geneva
New Buffalo
Evanston
Des Plaines
Elgin

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sofia to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Sofia to O'Hare Intl

Discover the top 9 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$460Average$798FlexibilityNo cancel feeOn-time75%
LOTCheapest$516Average$644FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$546Average$795FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$560Average$672FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$576Average$735FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$597Average$770FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$603Average$756FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$627Average$717FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$631Average$688FlexibilityNo cancel feeOn-time81%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.