Cheap Flights from Chicago O'Hare International to Sofia

Compare Chicago O'Hare International to Sofia flight deals

Find the cheapest month or even day of the year to fly to Sofia

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Flight deals from Chicago O'Hare International to Sofia

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to Sofia? Find the lowest prices on one-way and return tickets right here.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Sofia flights are currently cheapest in April.

Chicago O'Hare International to Sofia: Alternative routes

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

Chicago to Sofia: Flight information

The things to know before you go.
Cheapest flight foundRs72,778
Cheapest month to flyApril

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

The best price we found for a return flight from Chicago O'Hare International to Sofia is Rs162,995. 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 Chicago O'Hare International to Sofia. But we found flights with one or more stops from Rs162,546.
As of February 2026, there are no flights flying from Chicago O'Hare International to Sofia.
The cheapest month to fly from Chicago O'Hare International to Sofia is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Sofia Airport on Tuesday, 10 March 2026.
No airlines currently offer direct flights between Chicago O'Hare International Airport and Sofia 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 Sofia 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 Sofia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, LOT offers the cheapest flight tickets to Sofia.

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

  • The timezone in Sofia is UTC+2, which is seven hours ahead of Chicago.

  • Get to the airport on time so you don't miss your ORD to SOF flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Flying during a peak month such as August? School holidays and other popular seasons can mean longer lines and delays at security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

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

    • Frankfurt Airport

    • Frederic Chopin Airport

    • Leonardo da Vinci-Fiumicino Airport

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

  • The cheapest price we've seen for a one-way O'Hare International Airport to Sofia Airport flight is Rs72,778. A return fare right now is Rs162,546. Depending on the availability when you book, these fares could change.

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

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

  • Picking up cheap flights from ORD to SOF is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Pick your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from O'Hare International Airport to Sofia Airport.

Handy information about O'Hare International Airport (ORD)

  • The address for ORD is 10000 West O'Hare.

  • When it comes to the on-time performance of O'Hare International Airport, data shows 74.85% of flights meet their scheduled arrival time.

  • To reach O'Hare International Airport from central Chicago, it'll take about 35 minutes if you're going by car. This depends on traffic, however. It's approximately 40 kilometres from the airport to the city centre.

  • The trip when using public transport will take about 55 minutes.

  • Looking for a convenient hotel close to ORD? If you've booked an early flight from O'Hare International Airport to Sofia Airport, these accommodation options will have you sleeping moments from your departure lounge:

Arriving at Sofia Airport (SOF)

Getting from Sofia Airport (SOF) to central Sofia

  • Sofia Airport is roughly 11 kilometres from central Sofia. The drive time takes about 15 minutes.

  • If you're travelling on public transport, expect a journey of roughly 35 minutes.

When to fly to Sofia Airport (SOF)

  • August is the busiest month for flights from O'Hare International Airport to Sofia Airport. To steer clear of the crowds, go to Sofia in April.

  • The warmest month in Sofia is August, with temperatures ranging between 14ºC and 30ºC. Lock in your flights from O'Hare International Airport to Sofia Airport in this month if this is the type of weather you like.

  • January has average temperatures of between -11ºC and 7ºC. Search for cheap tickets from ORD to SOF around that time if you want to travel in cooler conditions.

Explore more of Bulgaria

  • Plovdiv is just one of the many cities in Bulgaria waiting to be discovered once you've seen Sofia. Around 129 kilometres away to the south-east, well-known attractions include Plovdiv Old Town, Plovdiv Roman Theatre and Archaelogical Complex Nebet Tepe.

  • Varna is another essential stop in Bulgaria and is around 386 kilometres east of Sofia. No trip is complete without experiencing Park Asparuhovo - Asparuhovo sea garden, Dormition of theotokos Cathedral and Sunset viewpoint (място за гледане на Залеза).

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