$359 Flights from Sofia (SOF) to Chicago O'Hare International (ORD)

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Flight deals from Sofia to Chicago O'Hare International

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 $823. 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 from $359 one-way

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 September.

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$359
Cheapest month to flySeptember

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 $663. 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 $663.
There are no flights flying from Sofia to Chicago O'Hare International, as of June 2026.
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 Wednesday, October 14, 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, Wizz Air offers the cheapest flight tickets to Chicago O'Hare International.

Traveling 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 $359. A return ticket right now is $663. 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 6 miles from the airport to the city center.

  • 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 61ºF and 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 10ºF and 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 280 miles 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 Theater, you'll have a full itinerary ahead.

  • If you want to check out another well-known destination in the United States, consider Indianapolis, about 160 miles 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.