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Cheap flights from Chicago to Sofia from $280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Sofia departing on 1/22. 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 Chicago to Sofia

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago to Sofia that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago to Sofia.

Cheap last minute flights

Planning a quick getaway from Chicago to Sofia? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Sofia, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Chicago to Sofia

Find recent round-trip train or bus tickets from Chicago to Sofia.

All round-trip flight deals to Sofia

The cheapest plane tickets to Sofia found on KAYAK recently.
8:30 pm - 8:50 pmORD-SOF
16h 20m1 stop
3:35 pm - 9:50 amSOF-ORD
26h 15m1 stop
$506Turkish Airlines
Find Deal
Mon, Feb 10 - Thu, Apr 10
11:55 am - 8:55 amORD-SOF
13h 00m1 stop
9:45 am - 6:35 pmSOF-ORD
16h 50m1 stop
$507Turkish Airlines
Find Deal
Sun, Feb 2 - Mon, Feb 17
11:55 am - 8:55 amORD-SOF
13h 00m1 stop
9:15 am - 5:55 pmSOF-ORD
16h 40m1 stop
$516Turkish Airlines
Find Deal
Sun, Feb 9 - Wed, Apr 9
4:22 pm - 5:10 pmORD-SOF
16h 48m2 stops
5:25 pm - 1:55 pmSOF-ORD
28h 30m1 stop
$625British Airways
Find Deal
Mon, Jan 20 - Mon, Jan 27
5:00 pm - 4:20 pmORD-SOF
15h 20m1 stop
5:25 pm - 2:30 pmSOF-ORD
29h 05m2 stops
$656British Airways
Find Deal
Sun, Feb 2 - Mon, Feb 17
9:55 pm - 1:50 pmORD-SOF
31h 55m1 stop
2:35 pm - 7:50 pmSOF-ORD
37h 15m2 stops
$660LOT
Find Deal
Mon, Jan 20 - Sun, Mar 2
6:00 pm - 6:10 pmORD-SOF
16h 10m1 stop
6:00 am - 6:45 pmSOF-ORD
20h 45m2 stops
$661United Airlines
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Wed, Feb 5 - Wed, Feb 19
3:15 pm - 2:00 pmORD-SOF
14h 45m1 stop
6:20 am - 8:05 amSOF-ORD
33h 45m2 stops
$662United Airlines
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Fri, Jan 31 - Fri, Feb 7
9:55 pm - 1:50 pmORD-SOF
31h 55m2 stops
6:40 pm - 3:10 pmSOF-ORD
28h 30m1 stop
$674LOT
Find Deal
Sun, Feb 9 - Fri, Apr 11
6:20 pm - 1:00 pmORD-SOF
34h 40m2 stops
1:45 pm - 6:25 pmSOF-ORD
12h 40m1 stop
$689Lufthansa
Find Deal
Tue, Jan 7 - Fri, Feb 7
6:30 pm - 6:45 pmORD-SOF
16h 15m2 stops
Wed, Jan 22
6:30 pm - 10:10 amORD-SOF
31h 40m2 stops
Mon, Feb 17
8:30 pm - 3:05 pmORD-SOF
34h 35m1 stop
$448Turkish Airlines
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Sun, Feb 16
9:55 pm - 5:50 pmORD-SOF
11h 55m1 stop
$462LOT
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Wed, Jan 22
11:55 am - 3:05 pmORD-SOF
19h 10m1 stop
$465Turkish Airlines
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Sun, Feb 16
9:55 pm - 1:50 pmORD-SOF
31h 55m1 stop
$466LOT
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Mon, Feb 17
9:25 pm - 10:45 pmORD-SOF
17h 20m1 stop
$488Lufthansa
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Fri, Feb 14
11:04 am - 10:45 pmORD-SOF
27h 41m2 stops
$493United Airlines
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Fri, Feb 14
6:28 pm - 1:45 pmORD-SOF
35h 17m2 stops
$497United Airlines
Find Deal
Tue, Dec 24
9:25 pm - 10:45 pmORD-SOF
17h 20m1 stop
$578Lufthansa
Find Deal
Mon, Jan 6
5:50 pm - 1:30 pmORD-SOF
35h 40m2 stops
6:10 am - 6:45 pmSOF-ORD
19h 35m2 stops
$805United Airlines
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Mon, Dec 23 - Thu, Mar 20
5:50 pm - 1:30 pmORD-SOF
35h 40m2 stops
6:05 am - 3:10 pmSOF-ORD
16h 05m1 stop
$817United Airlines
Find Deal
Mon, Dec 23 - Thu, Mar 20
6:28 pm - 1:30 pmORD-SOF
35h 02m2 stops
2:15 pm - 8:57 amSOF-ORD
26h 42m2 stops
$890United Airlines
Find Deal
Mon, Dec 23 - Sun, Jan 12
4:00 pm - 6:10 pmORD-SOF
18h 10m2 stops
6:00 am - 11:05 amSOF-ORD
13h 05m1 stop
$1,026Lufthansa
Find Deal
Mon, Dec 23 - Sun, Jan 12
9:40 pm - 6:10 pmORD-SOF
36h 30m2 stops
1:45 pm - 1:40 pmSOF-ORD
31h 55m2 stops
$1,201Lufthansa
Find Deal
Sun, Dec 22 - Sun, Jan 19
9:55 pm - 1:50 pmORD-SOF
31h 55m1 stop
2:35 pm - 9:00 pmSOF-ORD
13h 25m1 stop
$1,252LOT
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Fri, Dec 20 - Wed, Mar 26
9:55 pm - 5:50 pmORD-SOF
11h 55m1 stop
2:35 pm - 9:00 pmSOF-ORD
13h 25m1 stop
$1,277LOT
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Fri, Dec 20 - Wed, Mar 26
7:05 pm - 1:00 pmORD-SOF
33h 55m2 stops
4:00 pm - 4:15 pmSOF-ORD
32h 15m1 stop
$1,476SWISS
Find Deal
Thu, Dec 19 - Thu, Dec 26
5:55 pm - 11:55 pmORD-SOF
22h 00m2 stops
12:35 pm - 1:40 pmSOF-ORD
33h 05m2 stops
$1,659Austrian Airlines
Find Deal
Sat, Dec 21 - Fri, Jan 10
5:50 pm - 6:00 pmORD-SOF
16h 10m2 stops
8:00 am - 2:05 pmSOF-ORD
14h 05m1 stop
$1,774Austrian Airlines
Find Deal
Mon, Dec 23 - Fri, Jan 10

LOT flights from Chicago to Sofia

Our best LOT deals on Chicago to Sofia flight tickets
LOT
Dec 31
ORD9:55 pmChicago O'Hare Intl
11h 55m
1 stop
SOF5:50 pmSofia
Jan 16
SOF2:25 pmSofia
13h 35m
1 stop
ORD8:00 pmChicago O'Hare Intl
LOT
Jan 20
ORD9:55 pmChicago O'Hare Intl
31h 55m
1 stop
SOF1:50 pmSofia
Mar 2
SOF2:35 pmSofia
37h 15m
2 stops
ORD7:50 pmChicago O'Hare Intl
LOT
Feb 9
ORD9:55 pmChicago O'Hare Intl
31h 55m
2 stops
SOF1:50 pmSofia
Apr 11
SOF6:40 pmSofia
28h 30m
1 stop
ORD3:10 pmChicago O'Hare Intl

United Airlines flights from Chicago to Sofia

Our best United Airlines deals on Chicago to Sofia flight tickets
United Airlines
Dec 26
ORD6:30 pmChicago O'Hare Intl
19h 55m
1 stop
SOF10:25 pmSofia
Feb 4
SOF6:00 amSofia
20h 50m
2 stops
ORD6:50 pmChicago O'Hare Intl
United Airlines
Dec 26
ORD6:30 pmChicago O'Hare Intl
19h 55m
1 stop
SOF10:25 pmSofia
Jan 15
SOF2:10 pmSofia
31h 01m
2 stops
ORD1:11 pmChicago O'Hare Intl
United Airlines
Feb 5
ORD6:00 pmChicago O'Hare Intl
16h 10m
1 stop
SOF6:10 pmSofia
Feb 19
SOF6:00 amSofia
20h 45m
2 stops
ORD6:45 pmChicago O'Hare Intl

See travel insights to Sofia from

How to get the cheapest flight ticket from Chicago 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 typical price of a round-trip flight between Chicago and Sofia?

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Chicago is in February. Flight prices, which tend to average around $598, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Sofia from Chicago during November instead. Flights to Sofia in November, while not as cheap as those in February, still average around $606.

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. 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 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 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?

The best time to book a flight to Sofia from Chicago is 16 days out, which is when prices tend to be around $792. In the past 72 hours, momondo users found flights from Chicago to Sofia for as low as $547.

Can stopping save me money on Chicago to Sofia flights?

You could potentially save up to 26% on your flight if you consider stops on a Chicago to Sofia flight.

How have Chicago to Sofia flight prices changed over time?

As of December 2024, prices for Chicago to Sofia flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Sofia

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

Cheap Chicago to Sofia (CHI to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Sofia

Best Price Found

$280

Fastest flight time

11h 30m

Direct flights

None

Airports in Sofia

1 airport
The best one-way flight to Sofia from Chicago in the past 72 hours is $280. The best round-trip flight deal from Chicago to Sofia found on momondo in the last 72 hours is $506.
The fastest flight from Chicago to Sofia takes 11h 30m
There are no direct flights from Chicago to Sofia. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Sofia Airport and Chicago Midway Airport - Sofia Airport.
There is 1 airport near Sofia: Sofia (SOF)

  • How far is Chicago to Sofia by plane?

    A flight from Chicago to Sofia will travel around 5185.9 mi. A reasonable flight in good conditions will take 11h 45m.

  • When did momondo last update prices for flights from Chicago to Sofia Airport?

    Prices for flights from Chicago to Sofia Airport were last updated today.

  • How many operators does momondo search for flights from Chicago to Sofia Airport?

  • How old do you have to be to fly from Chicago to Sofia Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago 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 to Sofia?


Best airlines flying from Chicago to Sofia

Compare and see reviews for airlines that fly from Chicago to Sofia with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $501Free CancellationRating
7.3
3,907 reviews
Search Turkish Airlines flights
KLMPriceFrom $545Free CancellationRating
7.8
1,349 reviews
Search KLM flights
British AirwaysPriceFrom $568Free CancellationRating
6.6
6,820 reviews
Search British Airways flights
LOTPriceFrom $585Free CancellationRating
7.6
1,133 reviews
Search LOT flights
Austrian AirlinesPriceFrom $591Free CancellationRating
7.6
787 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $624Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
LufthansaPriceFrom $631Free CancellationRating
6.8
7,091 reviews
Search Lufthansa flights
ITA AirwaysPriceFrom $650Free CancellationRating
6.7
907 reviews
Search ITA Airways flights
Air CanadaPriceFrom $682Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
SWISSPriceFrom $715Free CancellationRating
7.6
1,606 reviews
Search SWISS flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Sofia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Sofia. momondo saves you time and could save you money on your trip.

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?

momondo helps you find the best flight between Chicago and Sofia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Sofia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sofia, momondo offers a useful price alert feature which will track prices for flights to Sofia from Chicago and alert you when they change.


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