Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Sofia from $284

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 O'Hare Intl Airport to Sofia departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
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 Chicago O'Hare Intl Airport to Sofia

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Sofia.

Cheap last minute flights

Planning a quick getaway from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Sofia

Find recent round-trip train or bus tickets from Chicago O'Hare Intl Airport to Sofia.

All round-trip flight deals to Sofia

The cheapest plane tickets to Sofia found on KAYAK recently.
11:55 am - 3:05 pmORD-SOF
19h 10m1 stop
9:40 pm - 10:10 amSOF-ORD
20h 30m1 stop
$506Turkish Airlines
Find Deal
Sun, Feb 2 - Wed, Feb 19
7:50 pm - 8:25 amORD-SOF
28h 35m1 stop
3:35 pm - 9:50 amSOF-ORD
26h 15m1 stop
$507Turkish Airlines
Find Deal
Sun, Apr 27 - Thu, May 8
8:30 pm - 8:50 pmORD-SOF
16h 20m1 stop
9:45 am - 6:35 pmSOF-ORD
16h 50m1 stop
$522Turkish Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
9:40 pm - 1:55 pmORD-SOF
32h 15m1 stop
2:40 pm - 3:10 pmSOF-ORD
32h 30m2 stops
$591LOT
Find Deal
Wed, Apr 2 - Sat, Apr 12
9:55 pm - 5:50 pmORD-SOF
11h 55m1 stop
2:35 pm - 8:00 pmSOF-ORD
13h 25m1 stop
$595LOT
Find Deal
Thu, Feb 6 - Fri, Feb 14
1:15 pm - 6:00 pmORD-SOF
20h 45m2 stops
6:45 pm - 2:05 pmSOF-ORD
27h 20m1 stop
$613Austrian Airlines
Find Deal
Thu, Feb 6 - Thu, Feb 13
9:25 pm - 6:10 pmORD-SOF
12h 45m1 stop
6:00 am - 2:45 pmSOF-ORD
16h 45m2 stops
$661United Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 19
11:35 am - 1:25 pmORD-SOF
17h 50m2 stops
6:10 am - 2:45 pmSOF-ORD
16h 35m2 stops
$663United Airlines
Find Deal
Thu, Feb 6 - Thu, Feb 13
9:25 pm - 10:45 pmORD-SOF
17h 20m1 stop
1:45 pm - 6:25 pmSOF-ORD
12h 40m1 stop
$673Lufthansa
Find Deal
Thu, Jan 9 - Thu, Jan 16
4:20 pm - 3:30 pmORD-SOF
15h 10m1 stop
6:45 pm - 6:55 pmSOF-ORD
32h 10m2 stops
$695Austrian Airlines
Find Deal
Fri, Jan 10 - Fri, Jan 17
5:15 am - 8:20 pmORD-SOF
31h 05m3 stops
Wed, Feb 26
5:15 am - 12:35 pmORD-SOF
47h 20m3 stops
Wed, Feb 19
5:15 am - 12:10 pmORD-SOF
46h 55m3 stops
Mon, Feb 24
5:15 am - 12:10 pmORD-SOF
46h 55m3 stops
Mon, Feb 17
6:30 pm - 7:05 pmORD-SOF
16h 35m2 stops
Wed, Feb 26
6:30 pm - 9:20 pmORD-SOF
42h 50m3 stops
Tue, Feb 18
7:05 pm - 3:15 pmORD-SOF
12h 10m1 stop
$414SWISS
Find Deal
Wed, Feb 19
9:25 pm - 6:10 pmORD-SOF
12h 45m1 stop
$417Lufthansa
Find Deal
Sun, Jan 12
3:55 pm - 1:30 pmORD-SOF
13h 35m1 stop
$418Lufthansa
Find Deal
Tue, Feb 18
1:20 pm - 11:50 amORD-SOF
14h 30m2 stops
$426Austrian Airlines
Find Deal
Tue, Feb 25
11:35 am - 1:35 pmORD-SOF
18h 00m2 stops
8:00 am - 2:05 pmSOF-ORD
14h 05m1 stop
Sat, Dec 28 - Sun, Jan 26
7:20 am - 1:35 pmORD-SOF
22h 15m2 stops
6:00 am - 7:55 pmSOF-ORD
21h 55m2 stops
$649Air Canada
Find Deal
Sat, Dec 28 - Sun, Jan 26
3:15 pm - 1:35 pmORD-SOF
14h 20m1 stop
8:00 am - 2:05 pmSOF-ORD
14h 05m1 stop
$660United Airlines
Find Deal
Sat, Dec 28 - Wed, Feb 5
6:00 pm - 10:45 pmORD-SOF
20h 45m1 stop
6:05 am - 2:10 pmSOF-ORD
16h 05m1 stop
$661United Airlines
Find Deal
Fri, Dec 27 - Fri, Feb 7
9:55 pm - 5:50 pmORD-SOF
11h 55m1 stop
2:35 pm - 9:00 pmSOF-ORD
13h 25m1 stop
$745LOT
Find Deal
Sat, Dec 28 - Sun, Mar 16
9:55 pm - 1:50 pmORD-SOF
31h 55m1 stop
2:35 pm - 9:00 pmSOF-ORD
13h 25m1 stop
$779LOT
Find Deal
Sat, Dec 28 - Sun, Mar 16
3:55 pm - 10:25 pmORD-SOF
22h 30m1 stop
6:00 am - 1:25 pmSOF-ORD
15h 25m1 stop
$891Lufthansa
Find Deal
Wed, Dec 25 - Tue, Feb 4
6:30 pm - 10:25 pmORD-SOF
19h 55m1 stop
6:10 am - 1:25 pmSOF-ORD
15h 15m1 stop
$956Lufthansa
Find Deal
Tue, Dec 24 - Thu, Feb 6
9:10 pm - 11:55 pmORD-SOF
18h 45m2 stops
6:45 pm - 1:40 pmSOF-ORD
26h 55m2 stops
$984Austrian Airlines
Find Deal
Wed, Dec 25 - Fri, Jan 10
1:20 pm - 11:50 amORD-SOF
14h 30m2 stops
6:45 pm - 2:05 pmSOF-ORD
27h 20m1 stop
$1,023Austrian Airlines
Find Deal
Thu, Dec 26 - Tue, Feb 4

Lufthansa flights from Chicago O'Hare Intl Airport to Sofia

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Sofia flight tickets
Lufthansa
Jan 9
ORD9:25 pmChicago O'Hare Intl
17h 20m
1 stop
SOF10:45 pmSofia
Jan 16
SOF1:45 pmSofia
12h 40m
1 stop
ORD6:25 pmChicago O'Hare Intl
Lufthansa
Dec 25
ORD3:55 pmChicago O'Hare Intl
22h 30m
1 stop
SOF10:25 pmSofia
Feb 4
SOF6:00 amSofia
15h 25m
1 stop
ORD1:25 pmChicago O'Hare Intl
Lufthansa
Dec 24
ORD6:30 pmChicago O'Hare Intl
19h 55m
1 stop
SOF10:25 pmSofia
Feb 6
SOF6:10 amSofia
15h 15m
1 stop
ORD1:25 pmChicago O'Hare Intl

British Airways flights from Chicago O'Hare Intl Airport to Sofia

Our best British Airways deals on Chicago O'Hare Intl Airport to Sofia flight tickets
British Airways
Feb 2
ORD4:22 pmChicago O'Hare Intl
15h 58m
2 stops
SOF4:20 pmSofia
Feb 17
SOF5:25 pmSofia
29h 05m
2 stops
ORD2:30 pmChicago O'Hare Intl
British Airways
Jan 9
ORD10:00 pmChicago O'Hare Intl
13h 25m
1 stop
SOF7:25 pmSofia
Jan 21
SOF6:05 pmSofia
27h 50m
1 stop
ORD1:55 pmChicago O'Hare Intl
British Airways
Feb 2
ORD5:00 pmChicago O'Hare Intl
15h 20m
1 stop
SOF4:20 pmSofia
Feb 17
SOF5:25 pmSofia
29h 05m
2 stops
ORD2:30 pmChicago O'Hare Intl

See travel insights to Sofia from

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 February. Flight prices, which tend to average around $582, 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 O'Hare Intl Airport 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 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?

The best time to book a flight to Sofia from Chicago O'Hare Intl Airport is 16 days out, which is when prices tend to be around $791. In the past 72 hours, momondo users found flights from Chicago O'Hare Intl Airport to Sofia for as low as $547.

Can stopping save me money on Chicago O'Hare Intl Airport to Sofia flights?

You could potentially save up to 25% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Sofia flight.

How have Chicago O'Hare Intl Airport to Sofia flight prices changed over time?

As of December 2024, prices for Chicago O'Hare Intl Airport to Sofia flights are approximately 43% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Sofia

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

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

Best Price Found

$284

Fastest flight time

11h 45m

Direct flights

None

Airports in Sofia

1 airport
The best one-way flight to Sofia from Chicago O'Hare Intl Airport in the past 72 hours is $284. The best round-trip flight deal from Chicago O'Hare Intl Airport to Sofia found on momondo in the last 72 hours is $506.
The fastest flight from Chicago O'Hare Intl Airport to Sofia takes 11h 45m
There are no direct flights from Chicago O'Hare Intl Airport to Sofia. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Sofia Airport.
There is 1 airport near Sofia: Sofia (SOF)

  • 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 45m.

  • 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?

  • 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?


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
Turkish AirlinesPriceFrom $499Free CancellationRating
7.3
3,902 reviews
Search Turkish Airlines flights
KLMPriceFrom $545Free CancellationRating
7.8
1,345 reviews
Search KLM flights
British AirwaysPriceFrom $568Free CancellationRating
6.6
6,810 reviews
Search British Airways flights
LOTPriceFrom $585Free CancellationRating
7.6
1,125 reviews
Search LOT flights
Austrian AirlinesPriceFrom $591Free CancellationRating
7.5
786 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $626Free CancellationRating
6.8
7,083 reviews
Search Lufthansa flights
United AirlinesPriceFrom $630Free CancellationRating
7.4
9,020 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $650Free CancellationRating
6.6
909 reviews
Search ITA Airways flights
Air CanadaPriceFrom $682Free CancellationRating
7.0
8,421 reviews
Search Air Canada flights
SWISSPriceFrom $715Free CancellationRating
7.5
1,605 reviews
Search SWISS flights

Why use momondo?

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.


An easier way to manage your Sofia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sat 12/28
Sat 1/4
Email me momondo's favorite deals

Find better results for your trip to Bulgaria

Fly your favorite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo