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Cheap flights from Sofia to Chicago O'Hare Intl Airport from £422

SOF — ORD
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sofia to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from Sofia to O'Hare Intl

Fri 20/1114:10 -
1 stop13h 55m
Fri 4/1215:15 -
1 stop14h 10m
Deal found 4/11£654
Wed 25/1106:25 -
1 stop14h 45m
Wed 24/218:50 -
1 stop12h 35m
Deal found 4/11£657
Fri 4/1220:25 -
1 stop25h 20m
Sun 6/1215:20 -
2 stops17h 00m
Deal found 3/11£658
Mon 23/1106:25 -
1 stop14h 45m
Tue 12/113:59 -
2 stops15h 16m
Deal found 2/11£661
Fri 20/1106:25 -
1 stop14h 45m
Fri 4/1215:15 -
1 stop14h 10m
Deal found 2/11£661
Wed 18/1114:10 -
1 stop13h 55m
Thu 7/109:07 -
2 stops20h 18m
Deal found 1/11£662
Mon 23/1106:25 -
1 stop21h 40m
Sat 2/118:00 -
1 stop11h 15m
Deal found 4/11£663
Thu 19/1106:25 -
1 stop16h 55m
Tue 5/115:15 -
1 stop14h 10m
Deal found 4/11£664
Tue 8/1206:25 -
2 stops20h 21m
Wed 24/218:00 -
1 stop20h 55m
Deal found 4/11£665
Tue 8/1206:25 -
2 stops16h 37m
Sun 28/210:33 -
2 stops18h 52m
Deal found 3/11£666
Mon 7/1217:15 -
2 stops34h 22m
Thu 25/215:59 -
2 stops19h 21m
Deal found 3/11£667

Find flight deals from Sofia to O'Hare Intl

Round-trip from

£654

One-way from

£422

Popular in

August

Cheapest in

December

Average price

£631
Lufthansa
  • Lufthansa
  • 20/11-4/12
  • 2 total stops
  • 28h 05m total
  • Sofia to Chicago
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British Airways
  • British Airways
  • 17/1-31/12
  • 1 total stop
  • 26h 00m total
  • Sofia to Chicago
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£28 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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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

Cheapest return flight

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Sun 17/1

19:45-13:45

1 stop26h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£422

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Mon 18/1

17:15-13:45

1 stop28h 30m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£422

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Thu 21/1

16:00-14:45

1 stop30h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£455

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Fri 13/11

05:00-14:45

1 stop17h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£455

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Fri 27/11

05:00-14:45

1 stop17h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£456

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Mon 16/11

15:00-16:15

1 stop33h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£584

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Mon 9/11

16:00-10:00

1 stop26h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£639

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Mon 16/11

16:00-10:00

1 stop26h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£641
Fastest return journey

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Wed 11/11

07:55-14:00

1 stop14h 05m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£649

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Tue 10/11

06:00-18:25

1 stop20h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£651

Flights are sorted by cheapest return flights first.

Deals found on 31/10

Showing 1-10 of 21 resultsSorted by cheapest first
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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 return price

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?

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 32 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, December is the cheapest month in which you can book a flight from Sofia to Chicago O'Hare Intl Airport (average of £586). Flying from Sofia to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £711). 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.

How much does it cost for a return flight from Sofia to Chicago O'Hare Intl Airport?

Airfare is typical for this route at the moment.

Sofia to Chicago O'Hare Intl Airport flights typically cost between £531 and £756 in November.
The cheapest return price found within the last 5 days was £654 on Lufthansa (20 Nov–4 Dec).

Related info for your journey

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

    Sofia (SOF), located 4.2 mi from the city center, is the airport you fly out of when you book flights from Sofia to Chicago O'Hare Intl. 0 airlines have flights from Sofia to Chicago O'Hare Intl on a regular basis. Booking flights from Sofia to Chicago O'Hare Intl should not be difficult; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day.

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

    Airlines like United Airlines and British Airways fly from Sofia to Chicago O'Hare Intl Airport in about 13h 55m. The time it takes to get you to your destination can typically vary by up to 18h 03m. Airlines will cover a distance of 5194 mi. This flight may include one or multiple stops.

  • 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 holiday 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, December is the cheapest month in which you can book a flight from Sofia to Chicago O'Hare Intl Airport (average of £586). Flying from Sofia to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £711). 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

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Elk Grove Village

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When you search for this flight from Sofia to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to O'Hare Intl from Sofia.

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Certainly. Search results for flights to O'Hare Intl from Sofia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Sofia to O'Hare Intl become cheaper?

Yes! Start tracking prices for Sofia to O'Hare Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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