Cheap flights from Sofia to Chicago from $395
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 11/12. 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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Fly from
Fly to
Route
Depart
Return
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sun 12/6
10:00 pm-2:55 pm
1 stop24h 55m
Chicago O'Hare Intl
Sun 3/28
7:05 pm-3:00 pm
1 stop11h 55m
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Wed 2/17
2:35 pm-7:55 pm
1 stop13h 20m
Chicago O'Hare Intl
Sun 3/7
9:55 pm-1:50 pm
2 stops31h 55m
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sun 12/6
10:00 pm-2:55 pm
1 stop24h 55m
Chicago O'Hare Intl
Tue 3/30
9:40 pm-6:40 pm
1 stop13h 00m
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Thu 10/22
2:35 pm-7:50 pm
1 stop13h 15m
Chicago O'Hare Intl
Fri 11/6
9:50 pm-5:55 pm
1 stop12h 05m
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Wed 11/18
2:10 pm-8:05 pm
1 stop13h 55m
Chicago O'Hare Intl
Wed 11/25
4:20 pm-1:25 pm
1 stop13h 05m
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sat 11/21
6:25 am-1:10 pm
1 stop14h 45m
Chicago O'Hare Intl
Sat 11/28
9:50 pm-10:55 pm
1 stop17h 05m
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Thu 10/22
6:55 pm-1:20 pm
1 stop26h 25m
Chicago O'Hare Intl
Fri 11/6
4:20 pm-11:50 am
1 stop11h 30m
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sat 11/7
6:25 am-3:20 pm
1 stop16h 55m
Chicago O'Hare Intl
Sat 11/14
6:00 pm-1:15 pm
1 stop11h 15m
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Thu 10/22
2:10 pm-7:55 pm
1 stop13h 45m
Chicago O'Hare Intl
Fri 11/6
9:50 pm-10:55 pm
1 stop17h 05m
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Thu 10/22
6:55 pm-1:20 pm
1 stop26h 25m
Chicago O'Hare Intl
Fri 11/6
1:30 pm-5:30 pm
2 stops20h 00m
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?
Prices are currently low for flights on this route.
Typical prices usually range from $848 to $952.The lowest price recently found on this route was $823.
What is the cheapest month to fly to Chicago?
The month of May is, on average, the cheapest month to fly to Chicago from Sofia, with most prices found around $775. If you’re not able to fly to Chicago in May, then February is your next best option. Flight prices from Sofia to Chicago during February average around $777.
How far in advance should I book a flight from Sofia to Chicago?
You are more likely to see cheaper flights to Chicago from Sofia when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $827 when searching 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 $685 on momondo.
Which airport is the most popular layover for flights between Sofia and Chicago?
Istanbul (IST) was the most common stop: 29% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Sofia to Chicago?
Flights via Paris (CDG) offer the lowest average round-trip price of $731.
Which layover airport has the shortest travel time from Sofia to Chicago?
Flights connecting via Zurich (ZRH) have the shortest average one-way travel time: 12h 50m.
Which layover airport has the shortest connection time from Sofia to Chicago?
Zurich (ZRH) has the shortest average layover time for this route: 0h 50m.
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
Frequently asked questions about flying from Sofia to Chicago
How far is Sofia to Chicago by plane?
A flight from Sofia to Chicago will travel around 5185.9 mi. 16h 30m 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 6 operators available for flights from Sofia Airport to Chicago as of October 2026.
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 LOT, making up 33% of the total bookings. Other popular airlines include Lufthansa with 26%, Turkish Airlines with 18%, and United Airlines with 12%.
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 $635 | Free Cancellation | Rating 7.6 1,194 reviews | |||
| PriceFrom $652 | Free Cancellation | Rating 7.8 1,580 reviews | |||
| PriceFrom $685 | Free Cancellation | Rating 7.4 4,455 reviews | |||
| PriceFrom $714 | Free Cancellation | Rating 6.8 8,271 reviews | |||
| PriceFrom $758 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $845 | Free Cancellation | Rating 7.5 980 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.