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603 € Cheap Flights from Sofia to Chicago O'Hare International

Compare Sofia to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

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Flight deals from Sofia to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Sofia Airport to Chicago O'Hare International Airport? If you want to travel next month, return fares start from 704 €. Find the lowest prices on one-way and return tickets right here.
Chicago.603 € per passenger.Departing Mon, 5 Oct, returning Sat, 9 Jan.Return flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departs from Sofia on Mon, 5 Oct, arriving in Chicago O'Hare International.Inbound indirect flight with Icelandair, departs from Chicago O'Hare International on Sat, 9 Jan, arriving in Sofia.Price includes taxes and charges.From 603 €, select.
Chicago.626 € per passenger.Departing Wed, 9 Sep, returning Tue, 1 Dec.Return flight with Wizz Air and Icelandair.Outbound indirect flight with Wizz Air, departs from Sofia on Wed, 9 Sep, arriving in Chicago O'Hare International.Inbound indirect flight with Icelandair, departs from Chicago O'Hare International on Tue, 1 Dec, arriving in Sofia.Price includes taxes and charges.From 626 €, select.
Chicago.626 € per passenger.Departing Mon, 12 Oct, returning Wed, 28 Oct.Return flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departs from Sofia on Mon, 12 Oct, arriving in Chicago O'Hare International.Inbound indirect flight with Icelandair, departs from Chicago O'Hare International on Wed, 28 Oct, arriving in Sofia.Price includes taxes and charges.From 626 €, select.
Chicago.628 € per passenger.Departing Thu, 17 Sep, returning Wed, 7 Oct.Return flight with LOT.Outbound indirect flight with LOT, departs from Sofia on Thu, 17 Sep, arriving in Chicago O'Hare International.Inbound indirect flight with LOT, departs from Chicago O'Hare International on Wed, 7 Oct, arriving in Sofia.Price includes taxes and charges.From 628 €, select.
Chicago.628 € per passenger.Departing Wed, 16 Sep, returning Sun, 27 Sep.Return flight with LOT.Outbound indirect flight with LOT, departs from Sofia on Wed, 16 Sep, arriving in Chicago O'Hare International.Inbound indirect flight with LOT, departs from Chicago O'Hare International on Sun, 27 Sep, arriving in Sofia.Price includes taxes and charges.From 628 €, select.
Chicago.635 € per passenger.Departing Thu, 12 Nov, returning Wed, 18 Nov.Return flight with LOT.Outbound indirect flight with LOT, departs from Sofia on Thu, 12 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with LOT, departs from Chicago O'Hare International on Wed, 18 Nov, arriving in Sofia.Price includes taxes and charges.From 635 €, select.
Chicago.638 € per passenger.Departing Wed, 19 Aug, returning Wed, 26 Aug.Return flight with Wizz Air and Icelandair.Outbound indirect flight with Wizz Air, departs from Sofia on Wed, 19 Aug, arriving in Chicago O'Hare International.Inbound indirect flight with Icelandair, departs from Chicago O'Hare International on Wed, 26 Aug, arriving in Sofia.Price includes taxes and charges.From 638 €, select.
Chicago.638 € per passenger.Departing Tue, 6 Oct, returning Tue, 10 Nov.Return flight with Wizz Air and Icelandair.Outbound indirect flight with Wizz Air, departs from Sofia on Tue, 6 Oct, arriving in Chicago O'Hare International.Inbound indirect flight with Icelandair, departs from Chicago O'Hare International on Tue, 10 Nov, arriving in Sofia.Price includes taxes and charges.From 638 €, select.
Chicago.651 € per passenger.Departing Fri, 13 Nov, returning Thu, 7 Jan.Return flight with LOT.Outbound indirect flight with LOT, departs from Sofia on Fri, 13 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with LOT, departs from Chicago O'Hare International on Thu, 7 Jan, arriving in Sofia.Price includes taxes and charges.From 651 €, select.
Chicago.651 € per passenger.Departing Mon, 19 Apr, returning Sun, 25 Apr.Return flight with LOT.Outbound indirect flight with LOT, departs from Sofia on Mon, 19 Apr, arriving in Chicago O'Hare International.Inbound indirect flight with LOT, departs from Chicago O'Hare International on Sun, 25 Apr, arriving in Sofia.Price includes taxes and charges.From 651 €, select.
Chicago.651 € per passenger.Departing Sat, 30 Jan, returning Sat, 27 Mar.Return flight with LOT.Outbound indirect flight with LOT, departs from Sofia on Sat, 30 Jan, arriving in Chicago O'Hare International.Inbound indirect flight with LOT, departs from Chicago O'Hare International on Sat, 27 Mar, arriving in Sofia.Price includes taxes and charges.From 651 €, select.
Chicago.652 € per passenger.Departing Wed, 3 Feb, returning Wed, 10 Feb.Return flight with LOT.Outbound indirect flight with LOT, departs from Sofia on Wed, 3 Feb, arriving in Chicago O'Hare International.Inbound indirect flight with LOT, departs from Chicago O'Hare International on Wed, 10 Feb, arriving in Sofia.Price includes taxes and charges.From 652 €, select.
Chicago.658 € per passenger.Departing Mon, 31 Aug, returning Tue, 1 Dec.Return flight with Wizz Air and Icelandair.Outbound indirect flight with Wizz Air, departs from Sofia on Mon, 31 Aug, arriving in Chicago O'Hare International.Inbound indirect flight with Icelandair, departs from Chicago O'Hare International on Tue, 1 Dec, arriving in Sofia.Price includes taxes and charges.From 658 €, select.
Chicago.668 € per passenger.Departing Sun, 23 Aug, returning Tue, 1 Sep.Return flight with Ryanair and jetBlue.Outbound indirect flight with Ryanair, departs from Sofia on Sun, 23 Aug, arriving in Chicago O'Hare International.Inbound indirect flight with jetBlue, departs from Chicago O'Hare International on Tue, 1 Sep, arriving in Sofia.Price includes taxes and charges.From 668 €, select.
Chicago.677 € per passenger.Departing Wed, 20 Jan, returning Thu, 28 Jan.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Sofia on Wed, 20 Jan, arriving in Chicago O'Hare International.Inbound indirect flight with British Airways, departs from Chicago O'Hare International on Thu, 28 Jan, arriving in Sofia.Price includes taxes and charges.From 677 €, select.
Chicago.682 € per passenger.Departing Mon, 11 Jan, returning Sat, 20 Feb.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Sofia on Mon, 11 Jan, arriving in Chicago O'Hare International.Inbound indirect flight with British Airways, departs from Chicago O'Hare International on Sat, 20 Feb, arriving in Sofia.Price includes taxes and charges.From 682 €, select.

Find the cheapest month to fly from Sofia to Chicago O'Hare International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sofia to Chicago O'Hare International flights are currently cheapest in October.
Jun
from 756 €
Jul
from 704 €
Aug
from 638 €
Sep
from 628 €
Oct
from 626 €
Nov
from 635 €
Dec
from 1.483 €
Jan
from 677 €
Feb
from 652 €
Mar
from 705 €
Apr
from 651 €
May
from 729 €

Sofia to Chicago O'Hare International: Alternative routes

Compare routes from Sofia to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Chicago Midway

14km from central Chicago
Closest
from 664 €
Search flights

Chicago O'Hare International

25km from central Chicago
Cheapest
from 603 €
Search flights

Chicago Dupage County

51km from central Chicago
Search flights

Chicago Rockford

126km from central Chicago
from 1.356 €
Search flights

Sofia to Chicago: Flight information

The things to know before you go.
Cheapest flight found603 €
Cheapest month to flyOctober

Finding cheap flights from Sofia to Chicago O'Hare International: Frequently asked questions

The best price we found for a return flight from Sofia to Chicago O'Hare International is 603 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sofia to Chicago O'Hare International. But we found flights with one or more stops from 603 €.
As of June 2026, there are no flights flying from Sofia to Chicago O'Hare International.
The cheapest month to fly from Sofia to Chicago O'Hare International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sofia Airport to Chicago O'Hare International Airport on Monday, 5 October 2026.
No airlines currently offer direct flights between Sofia Airport and Chicago O'Hare International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Chicago O'Hare International.

Travelling from Sofia Airport (SOF) to Chicago O'Hare International Airport (ORD): what you need to know

  • Chicago is eight hours behind Sofia and is in the UTC-6 timezone.

  • Your SOF to ORD flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • You can expect longer lines during popular months like August. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a good idea.

  • If you'd like to add a stop to your trip, just deselect 'Direct flights only' when searching for your ticket from Sofia Airport to Chicago O'Hare International Airport. Here are the most popular stopovers between SOF and ORD:

    • Zurich Airport

    • Dublin Airport

    • Warsaw Chopin Airport

How to find the cheapest flights from Sofia Airport (SOF) to Chicago O'Hare International Airport (ORD)

  • The lowest price we've found for a one-way Sofia Airport to Chicago O'Hare International Airport flight is 315 €. A return ticket right now is 603 €. Depending on the availability and when you book, these fares could change.

  • Don't leave everything to the last moment. You're more likely to find cheap tickets from SOF to ORD if you book in advance. Airlines often offer some great early bird deals.

  • The 'Whole month' tool shows you the cheapest flights from Sofia Airport to Chicago O'Hare International Airport across each month. It's a good way to find a bargain if your plans are flexible.

  • Landing cheap flights from SOF to ORD is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when there's a better deal.

  • Discover the ideal flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Sofia Airport to Chicago O'Hare International Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about Sofia Airport (SOF)

  • When it comes to Sofia Airport's on-time performance, 77% of flights arrive within the scheduled timeframe.

  • To get to Sofia Airport from central Sofia, it takes about 25 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 10 kilometres from the airport to the city centre.

  • Taking public transport? Expect a trip time of around 30 minutes.

  • Looking for a convenient hotel near SOF? If you've booked an early flight from Sofia Airport to Chicago O'Hare International Airport, these stays will have you moments from check-in:

Arriving at Chicago O'Hare International Airport (ORD)

When to fly to Chicago O'Hare International Airport (ORD)

  • The quietest month for a flight from Sofia Airport to Chicago O'Hare International Airport is March, while July is the busiest. Pick the best time to visit Chicago based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Chicago is July, with temperatures ranging between 16ºC (61ºF) and 28ºC (82ºF). Lock in your flights from Sofia Airport to Chicago O'Hare International Airport in this month if you enjoy this type of weather.

  • Search for cheap tickets from SOF to ORD in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -12ºC (10ºF) and 3ºC (37ºF) on average.

Explore more of the United States

  • You've seen Chicago, now it's time to explore more of the United States. Travel around 451 kilometres south-east to Columbus to check off its must-visit sights. From Franklin Park Conservatory and Botanical Gardens to Whetstone Park / Park of Roses and Ohio Theatre, you'll have a full itinerary ahead.

  • If you want to check out another well-known destination in the United States, consider Indianapolis, about 257 kilometres south-east of Chicago. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.