$376 Flights from Sofia (SOF) to Chicago O'Hare International (ORD)

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Flight deals from Sofia Airport to Chicago O'Hare International Airport

Looking for a cheap last-minute deal or the best round-trip flight from Sofia Airport to Chicago O'Hare International Airport? If you want to travel next month, round-trip fares start from $643. Find the lowest prices on one-way and round-trip tickets right here.

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 April.

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.

Sofia to Chicago: Flight information

The things to know before you go.
Cheapest flight found$376
Cheapest month to flyApril

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

The best price we found for a round-trip flight from Sofia to Chicago O'Hare International is $643. 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 $643.
There are no flights flying from Sofia to Chicago O'Hare International, as of March 2026.
The cheapest month to fly from Sofia to Chicago O'Hare International is usually April.
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 Thursday, April 23, 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.

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

  • Chicago's timezone is UTC-5, making Chicago seven hours behind Sofia.

  • Leave plenty of time to catch your SOF to ORD flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like August, it's a good idea to get to the airport earlier. Arrive two hours before a domestic departure and four hours ahead for an international flight when you fly during a high season in general.

  • If you'd like to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Sofia Airport to O'Hare International Airport. These are the most popular stopovers between SOF and ORD:

    • Dublin Airport

    • Frederic Chopin Airport

    • Zurich Airport

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

  • At the moment, $376 is the cheapest price we've seen for a one-way Sofia Airport to O'Hare International Airport flight. The best price for a return plane ticket is $643. Keep in mind that fares can change due to availability when booking.

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

  • Getting cheap flights from Sofia Airport to O'Hare International Airport is more likely if you're flexible with your travel dates. Use the 'Whole month' search function to see the lowest prices across the month and score a great deal.

  • Never miss a deal on cheap flights from SOF to ORD by setting up a Price Alert. You'll get an email or notification through the app when a new discounted fare appears.

  • Tailor your trip with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Sofia Airport to O'Hare International Airport.

Handy information about Sofia Airport (SOF)

  • When it comes to Sofia Airport's on-time performance, data shows 66.73% of flights arrive within the expected timeframe.

  • Sofia Airport is about 7 miles from central Sofia. If you're driving, catching a cab or ride-sharing from the center, it'll take 15 minutes or so to get there, depending on the traffic.

  • Catching public transport? You can expect a journey time of around 35 minutes.

  • Booked an early flight from Sofia Airport to O'Hare International Airport? Avoid the stress of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels near SOF:

Arriving at O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • You'll find ORD at 10000 West O'Hare.

  • O'Hare International Airport is roughly 25 miles from the center of Chicago. Driving there takes about 35 minutes.

  • Getting there on public transport will take you around 55 minutes.

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

  • It's time to plan your dates for your flight from Sofia Airport to O'Hare International Airport. August is the busiest month to visit Chicago. If you want a more laid-back vibe, go in January.

  • Book your flight from Sofia Airport to O'Hare International Airport for July if you'd like to go to Chicago during its warmest month. You can expect temperatures of between 59ºF and 84ºF.

  • Look for cheap tickets from SOF to ORD in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 10ºF and 37ºF on average.

Explore more of United States

  • Columbus is just one of the many cities in United States waiting to be discovered once you've seen the sights of Chicago. Around 280 miles away to the south-east, top sights here include Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

  • Indianapolis is another sought-after destination in United States and is around 160 miles south-east of Chicago. No journey is complete without dropping by The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.