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Cheap flights from Sofia to Chicago O'Hare Intl Airport from £407

SOF — ORD
14 Oct — 21 Oct1
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

Tue 10/1121:40 -
1 stop28h 40m
Sun 29/820:10 -
1 stop28h 35m
Deal found 13/9£612
Sun 15/1111:55 -
1 stop14h 25m
Sun 29/1111:45 -
1 stop19h 25m
Deal found 12/9£617
Mon 16/1117:15 -
1 stop33h 30m
Sun 29/1118:30 -
1 stop13h 50m
Deal found 12/9£621
Sun 15/1119:45 -
1 stop26h 00m
Sat 28/1112:44 -
2 stops21h 51m
Deal found 12/9£622
Fri 20/1120:30 -
2 stops28h 26m
Thu 26/1109:59 -
2 stops25h 21m
Deal found 12/9£625
Wed 18/1121:05 -
1 stop24h 40m
Wed 25/1120:50 -
2 stops38h 30m
Deal found 12/9£626
Fri 6/1120:30 -
2 stops28h 25m
Sun 22/1113:06 -
2 stops19h 14m
Deal found 12/9£628
Wed 18/1121:05 -
1 stop24h 40m
Mon 30/1120:45 -
2 stops39h 25m
Deal found 12/9£628
Sat 21/1106:25 -
1 stop14h 45m
Sun 29/1121:50 -
1 stop12h 30m
Deal found 12/9£629
Sat 21/1121:40 -
1 stop20h 20m
Mon 30/1120:15 -
1 stop16h 35m
Deal found 12/9£632
Wed 11/1121:40 -
1 stop20h 20m
Sun 29/820:10 -
1 stop34h 50m
Deal found 13/9£633
Sat 14/1106:25 -
1 stop14h 45m
Tue 31/821:40 -
1 stop13h 00m
Deal found 13/9£636

Find flight deals from Sofia to O'Hare Intl

Round-trip from

£612

One-way from

£407

Popular in

August

Cheapest in

November

Average price

£629
Turkish Airlines
  • Turkish Airlines
  • 16/11-31/8
  • 2 total stops
  • 39h 20m total
  • Sofia to Chicago
Search Deals
10/3-31/12
  • 10/3-31/12
  • 1 total stop
  • 24h 40m total
  • Sofia to Chicago
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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

Wed 10/3

21:05-13:45

1 stop24h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£407

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Wed 18/11

21:05-13:45

1 stop24h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£410

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Fri 20/11

20:30-18:45

1 stop30h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£410

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Mon 23/11

17:15-18:45

1 stop33h 30m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£410

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Wed 10/3

21:05-17:34

2 stops28h 29m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£417

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Thu 19/11

16:00-14:45

1 stop30h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£468

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Sat 3/10

05:00-21:15

1 stop24h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£470

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Sat 26/9

16:05-13:20

1 stop29h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£604

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Mon 2/11

17:15-16:55

2 stops31h 40m

Chicago O'Hare Intl

Sun 15/11

17:10-16:20

1 stop15h 10m

£628
Fastest return journey

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Sun 27/9

08:00-13:20

1 stop13h 20m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£628

Flights are sorted by cheapest return flights first.

Deals found on 11/9

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, November is the cheapest month in which you can book a flight from Sofia to Chicago O'Hare Intl Airport (average of £534). Flying from Sofia to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £708). 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 £572 and £665 in November.
The cheapest return price found within the last 5 days was £612 on Turkish Airlines (10 Nov–29 Aug).

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 British Airways and United Airlines fly from Sofia to Chicago O'Hare Intl Airport in about 16h 25m. The time it takes to get you to your destination can typically vary by up to 15h 15m. 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, November is the cheapest month in which you can book a flight from Sofia to Chicago O'Hare Intl Airport (average of £534). Flying from Sofia to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £708). 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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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.

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