Cheap flights from Chicago O'Hare Intl Airport to Sofia from $327
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Sofia departing on 8/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Sofia
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Sofia?
The cheapest month to fly to Sofia from Chicago O'Hare Intl Airport is in November. Flight prices, which tend to average around $574, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Sofia from Chicago O'Hare Intl Airport during February instead. Flights to Sofia in February, while not as cheap as those in November, still average around $624.
What is the cheapest day to depart on your flight to Sofia?
According to our data, Thursday is the cheapest day to fly to Sofia from Chicago O'Hare Intl Airport. The lowest ticket price found for a Thursday departure recently was $871. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Chicago O'Hare Intl Airport to Sofia on a Saturday will generally be more expensive and average around $1,039. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Sofia?
In the morning is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Sofia when you can find flight prices for as low as $801. Flying to Sofia in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,145 per ticket.
How far in advance should I book a flight to Sofia?
You are more likely to see cheaper flights to Sofia from Chicago O'Hare Intl Airport when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $782 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Chicago O'Hare Intl Airport for as low as $730 on momondo.
What is the cheapest airline that flies from Chicago O'Hare Intl to Sofia?
SWISS, United Airlines, and Turkish Airlines are the most popular carriers operating from Chicago O'Hare Intl to Sofia
What airlines fly to Sofia?
Turkish Airlines, Lufthansa and LOT are the top three most popular airlines that fly to Sofia from Chicago O'Hare Intl Airport according to our data. Turkish Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 10 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.
When to book flights from Chicago O'Hare Intl Airport to Sofia
Cheap Chicago O'Hare Intl Airport to Sofia (ORD to SOF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Sofia
How far is Chicago O'Hare Intl to Sofia by plane?
Chicago O'Hare Intl and Sofia are 5191.0 mi apart from one another. In terms of flight time, this usually takes a little over 11h 20m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Sofia Airport?
Prices for flights from Chicago O'Hare Intl Airport to Sofia Airport refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Sofia Airport?
The number of operators available for flights from Chicago O'Hare Intl Airport to Sofia Airport is 10 as of June 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Sofia Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The travel and health documents required for your trip to Sofia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sofia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Chicago O'Hare Intl Airport to Sofia?
momondo data reveals that the most frequently booked airline on the route from Chicago O'Hare Intl Airport to Sofia is Turkish Airlines, representing 25% of all bookings. The subsequent popular airlines are Lufthansa at 23%, LOT at 22%, and United Airlines at 12%.
Best airlines flying from Chicago O'Hare Intl Airport to Sofia
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Sofia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $487 | Free Cancellation | Rating 7.3 3,848 reviews | |||
| PriceFrom $498 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom $572 | Free Cancellation | Rating 7.6 1,077 reviews | |||
| PriceFrom $578 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $596 | Free Cancellation | Rating 7.5 1,623 reviews | |||
| PriceFrom $607 | Free Cancellation | Rating 7.6 802 reviews | |||
| PriceFrom $613 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $614 | Free Cancellation | Rating 6.7 7,136 reviews | |||
| PriceFrom $617 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $652 | Free Cancellation | Rating 6.3 196 reviews |
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Why should I use momondo to find a flight deal from Chicago to Sofia?
It is quick and easy to find Chicago to Sofia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sofia that suits you.
Can I find flights from Chicago to Sofia with flexible booking policies on momondo?
momondo does allow users to show only those flights to Sofia from Chicago which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Chicago to Sofia?
Once all potential Chicago to Sofia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Chicago to Sofia right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Chicago to Sofia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.