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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 9/15. 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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Find the cheapest flights from Sofia to Chicago

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Sofia to Chicago.
American Airlines Logo
9:10 pm - 5:00 pmSOF-ORD
27h 50m1 stop
American Airlines Logo
8:20 pm - 8:40 pmORD-SOF
16h 20m1 stop
$579American Airlines
Find Deal
Sun, Apr 13 - Tue, Apr 29
British Airways Logo
9:10 pm - 11:45 amSOF-ORD
22h 35m1 stop
British Airways Logo
4:55 pm - 8:20 pmORD-SOF
19h 25m1 stop
$583British Airways
Find Deal
Sun, Apr 13 - Sat, Apr 26
LOT Logo
5:20 am - 7:40 pmSOF-ORD
22h 20m1 stop
LOT Logo
5:10 pm - 1:50 pmORD-SOF
12h 40m1 stop
$587LOT
Find Deal
Fri, Jun 13 - Mon, Jul 21
LOT Logo
5:20 am - 3:10 pmSOF-ORD
41h 50m2 stops
LOT Logo
5:10 pm - 5:55 pmORD-SOF
16h 45m1 stop
$603LOT
Find Deal
Sat, Apr 19 - Sun, Apr 20
United Airlines Logo
6:20 am - 2:55 pmSOF-ORD
16h 35m2 stops
United Airlines Logo
9:40 pm - 11:00 pmORD-SOF
17h 20m1 stop
$645United Airlines
Find Deal
Tue, Apr 29 - Wed, May 28
United Airlines Logo
6:20 am - 8:03 amSOF-ORD
33h 43m2 stops
United Airlines Logo
9:40 pm - 11:00 pmORD-SOF
17h 20m1 stop
$651United Airlines
Find Deal
Tue, Apr 22 - Tue, Apr 29
Lufthansa Logo
6:00 am - 1:55 pmSOF-ORD
15h 55m1 stop
Lufthansa Logo
9:40 pm - 11:00 pmORD-SOF
17h 20m1 stop
$667Lufthansa
Find Deal
Wed, Apr 16 - Sun, May 4
Lufthansa Logo
6:15 am - 10:55 amSOF-ORD
12h 40m1 stop
Lufthansa Logo
9:40 pm - 6:40 pmORD-SOF
13h 00m1 stop
$668Lufthansa
Find Deal
Sat, Apr 19 - Sun, May 4
Turkish Airlines Logo
3:35 pm - 9:40 amSOF-ORD
26h 05m1 stop
Turkish Airlines Logo
7:50 pm - 2:45 pmORD-SOF
34h 55m1 stop
$675Turkish Airlines
Find Deal
Fri, Apr 11 - Sat, Apr 19
Turkish Airlines Logo
9:15 pm - 9:40 amSOF-ORD
20h 25m1 stop
Turkish Airlines Logo
11:45 pm - 2:45 pmORD-SOF
31h 00m1 stop
$712Turkish Airlines
Find Deal
Sun, Jul 27 - Sat, Aug 9

American Airlines flights from Sofia to Chicago

Our best American Airlines deals on Sofia to Chicago flight tickets
American Airlines
Apr 13
SOF9:10 pmSofia
27h 50m
1 stop
ORD5:00 pmChicago O'Hare Intl
Apr 29
ORD8:20 pmChicago O'Hare Intl
16h 20m
1 stop
SOF8:40 pmSofia
American Airlines
Apr 13
SOF9:10 pmSofia
22h 35m
1 stop
ORD11:45 amChicago O'Hare Intl
Apr 29
ORD11:36 amChicago O'Hare Intl
25h 04m
2 stops
SOF8:40 pmSofia
American Airlines
Apr 13
SOF9:10 pmSofia
25h 35m
1 stop
ORD2:45 pmChicago O'Hare Intl
Apr 26
ORD4:44 pmChicago O'Hare Intl
19h 36m
2 stops
SOF8:20 pmSofia

British Airways flights from Sofia to Chicago

Our best British Airways deals on Sofia to Chicago flight tickets
British Airways
Apr 13
SOF9:10 pmSofia
22h 35m
1 stop
ORD11:45 amChicago O'Hare Intl
Apr 26
ORD4:55 pmChicago O'Hare Intl
19h 25m
1 stop
SOF8:20 pmSofia
British Airways
Apr 16
SOF9:30 pmSofia
26h 25m
1 stop
ORD3:55 pmChicago O'Hare Intl
May 3
ORD4:55 pmChicago O'Hare Intl
19h 25m
1 stop
SOF8:20 pmSofia
British Airways
Apr 13
SOF9:10 pmSofia
22h 35m
1 stop
ORD11:45 amChicago O'Hare Intl
Apr 26
ORD7:10 pmChicago O'Hare Intl
17h 10m
1 stop
SOF8:20 pmSofia

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 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 May is your next best option. Flight prices from Sofia to Chicago during May average around $650.

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 16 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $724 when searching 16 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 $624 on momondo.

How have Sofia to Chicago flight prices changed over time?

As of April 2025, prices for Sofia to Chicago flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Sofia to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$395

Fastest flight time

12h 40m

Direct flights

None

Airports in Chicago

2 airports
The best one-way flight to Chicago from Sofia in the past 72 hours is $395. The best round-trip flight deal from Sofia to Chicago found on momondo in the last 72 hours is $579.
The fastest flight from Sofia to Chicago takes 12h 40m
There are no direct flights from Sofia to Chicago. Popular non-direct routes for this connection are Sofia Airport - Chicago Midway Airport and Sofia Airport - Chicago O'Hare Intl Airport.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

  • How far is Sofia to Chicago by plane?

    A flight from Sofia to Chicago will travel around 5185.9 mi. 12h 40m 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?

  • 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?


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
KLMPriceFrom $460Free CancellationRating
7.8
1,321 reviews
Search KLM flights
LOTPriceFrom $490Free CancellationRating
7.6
1,065 reviews
Search LOT flights
British AirwaysPriceFrom $546Free CancellationRating
6.6
6,713 reviews
Search British Airways flights
Air FrancePriceFrom $560Free CancellationRating
7.4
1,425 reviews
Search Air France flights
Austrian AirlinesPriceFrom $576Free CancellationRating
7.5
771 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $594Free CancellationRating
6.7
6,961 reviews
Search Lufthansa flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $627Free CancellationRating
7.3
3,748 reviews
Search Turkish Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Portage
Lansing
Saint Joseph
Schererville
Valparaiso
Munster
Crown Point
Monticello
Chesterton
Griffith
Porter
Saint John

Why 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.


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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago