Cheap flights from Sofia to Chicago from $530
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sofia to Chicago departing on 6/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Sofia to Chicago
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Turkish Airlines flights from Sofia to Chicago
Our best Turkish Airlines deals on Sofia to Chicago flight tickets
British Airways flights from Sofia to Chicago
Our best British Airways deals on Sofia to Chicago flight tickets
See travel insights to Chicago from
How to get the cheapest flight ticket from Sofia to Chicago
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 typical price of a round-trip flight between Sofia and Chicago?
What is the cheapest month to fly to Chicago?
The month of November is, on average, the cheapest month to fly to Chicago from Sofia, with most prices found around $647. If you’re not able to fly to Chicago in November, then October is your next best option. Flight prices from Sofia to Chicago during October average around $653.
What is the cheapest day to depart on your flight to Chicago?
The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as $666. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Sofia to Chicago for around $785.
What is the cheapest time of day to depart on your flight to Chicago?
Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Sofia to Chicago during this time can be as low as $666. In contrast, the most expensive time of day to depart to Chicago is in the evening when prices are around $768.
How far in advance should I book a flight to Chicago?
You are more likely to see cheaper flights to Chicago from Sofia when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $724 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Sofia for as low as $625 on momondo.
What is the cheapest airline that flies from Sofia to Chicago?
Qatar Airways, TAP AIR PORTUGAL, and British Airways are the most popular carriers operating from Sofia to Chicago
What airlines fly to Chicago?
Lufthansa, LOT and Turkish Airlines are the top three most popular airlines that fly to Chicago from Sofia according to our data. Lufthansa is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 8 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.
When to book flights from Sofia to Chicago
Cheap Sofia to Chicago (SOF to CHI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Sofia to Chicago
How far is Sofia to Chicago by plane?
A flight from Sofia to Chicago will travel around 5185.9 mi. 13h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from Sofia Airport to Chicago?
Prices for flights from Sofia Airport to Chicago are updated daily.
How many operators does momondo search for flights from Sofia Airport to Chicago?
There are 8 operators available for flights from Sofia Airport to Chicago as of June 2025.
How old do you have to be to fly from Sofia Airport to Chicago?
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 Sofia Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Sofia to Chicago?
Based on momondo bookings for flights between Sofia and Chicago, the leading airline is Lufthansa, making up 28% of the total bookings. Other popular airlines include United Airlines with 20%, LOT with 19%, and KLM with 15%.
Best airlines flying from Sofia to Chicago
Compare and see reviews for airlines that fly from Sofia to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $485 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $532 | Free Cancellation | Rating 7.6 1,077 reviews | |||
| PriceFrom $546 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $560 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom $576 | Free Cancellation | Rating 7.6 802 reviews | |||
| PriceFrom $603 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $615 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $641 | Free Cancellation | Rating 7.3 3,848 reviews |
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Sofia to Chicago?
Finding the right flight to Chicago from Sofia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.
Can I find flights from Sofia to Chicago with flexible booking policies on momondo?
All flight searches from Sofia to Chicago on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Sofia to Chicago?
Once all potential Sofia to Chicago 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 Sofia to Chicago right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Sofia and alert you when they change.