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Cheap flights from Chicago (CHI) to Sofia (SOF) from $440

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CHI — SOF
May 16 — May 231
From?
To?
Thu 5/16
Thu 5/23
1 adult, Economy
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The best prices from Chicago to Sofia are usually found in November or February, booked 17 days in advance, depart on a Thursday or Sunday and return on a Friday

Cheap flight deals from Chicago to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 11, 2024.

Popular in

June

Cheapest in

November

Round-trip from

$660

One-way from

$539
High demand for flights, 35% potential price rise
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Best time to find cheap flights, 32% potential price drop
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From Chicago (CHI) to Sofia
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One-way flight from Chicago (CHI) to Sofia
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What is the cheapest day to fly round-trip from Chicago to Sofia?

Friday flights are found to be more expensive to fly from Chicago to Sofia. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sofia.

How far in advance should I book a flight from Chicago to Sofia?

Find a great deal and save up to 1% by booking at least 18 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago to Sofia within the next two weeks, with the cheapest ticket starting at $674.

What is the cheapest month to fly from Chicago to Sofia?

November can be a great time to fly to Sofia from Chicago with a flight ticket averaging about $837. Cheapflights users have found deals in the month of November for as cheap as $444. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Chicago to Sofia (CHI - SOF)?

It’s optimal to fly from Chicago to Sofia in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the afternoon.

Cheap British Airways flights from Chicago to Sofia

Explore cheap flight options specifically provided by British Airways for the route between Chicago and Sofia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,684,066 searches. Data last updated May 11, 2024.
Check out some of the cheapest British Airways flights we've come across from Chicago to Sofia. Make sure to double check the flight details before booking.
Tue 11/56:35 pmORD - SOF
1 stop14h 30mBritish Airways
Mon 11/255:25 pmSOF - ORD
1 stop27h 25mBritish Airways
Deal found 5/10$579
Wed 11/64:50 pmORD - SOF
2 stops42h 35mBritish Airways
Wed 11/206:05 pmSOF - ORD
1 stop26h 45mBritish Airways
Deal found 5/9$616
Thu 10/101:04 pmORD - SOF
2 stops16h 26mBritish Airways
Thu 10/249:20 pmSOF - ORD
1 stop24h 25mBritish Airways
Deal found 5/9$645
Mon 10/76:25 pmORD - SOF
2 stops18h 00mBritish Airways
Mon 10/218:00 pmSOF - ORD
2 stops28h 21mBritish Airways
Deal found 5/9$652
Mon 8/199:15 pmORD - SOF
1 stop15h 10mBritish Airways
Thu 9/129:20 pmSOF - ORD
1 stop24h 25mBritish Airways
Deal found 5/9$699
Sat 9/216:25 pmORD - SOF
2 stops17h 40mBritish Airways
Sat 9/288:05 pmSOF - ORD
1 stop25h 00mBritish Airways
Deal found 5/9$702
Mon 9/306:25 pmORD - SOF
2 stops18h 00mBritish Airways
Mon 10/148:00 pmSOF - ORD
1 stop25h 45mBritish Airways
Deal found 5/9$703
Fri 9/277:10 pmORD - SOF
1 stop15h 50mBritish Airways
Wed 10/306:05 pmSOF - ORD
2 stops32h 28mBritish Airways
Deal found 5/9$707
Wed 8/72:46 pmORD - SOF
2 stops21h 44mBritish Airways
Tue 9/179:15 pmSOF - ORD
1 stop24h 30mBritish Airways
Deal found 5/9$708

Cheap Turkish Airlines flights from Chicago to Sofia

Explore cheap flight options specifically provided by Turkish Airlines for the route between Chicago and Sofia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,684,066 searches. Data last updated May 11, 2024.
Some of the best deals we've found on Turkish Airlines flights traveling from Chicago to Sofia. Ensure the flight price, dates, time, and airline match your criteria before you book.
Mon 9/911:25 amORD - SOF
1 stop13h 05mTurkish Airlines
Tue 10/19:10 pmSOF - ORD
1 stop20h 30mTurkish Airlines
Deal found 5/9$594
Tue 10/18:30 pmORD - SOF
1 stop34h 25mTurkish Airlines
Tue 10/159:10 pmSOF - ORD
1 stop20h 30mTurkish Airlines
Deal found 5/9$595
Wed 11/612:55 pmORD - SOF
1 stop12h 15mTurkish Airlines
Wed 11/2010:00 amSOF - ORD
1 stop16h 25mTurkish Airlines
Deal found 5/10$618
Mon 9/2311:25 amORD - SOF
1 stop13h 05mTurkish Airlines
Mon 10/213:45 pmSOF - ORD
1 stop25h 55mTurkish Airlines
Deal found 5/9$620
Thu 8/18:30 pmORD - SOF
1 stop28h 00mTurkish Airlines
Wed 9/183:45 pmSOF - ORD
1 stop25h 55mTurkish Airlines
Deal found 5/10$624
Sun 7/288:30 pmORD - SOF
1 stop28h 00mTurkish Airlines
Wed 10/99:20 amSOF - ORD
1 stop32h 20mTurkish Airlines
Deal found 5/9$628
Wed 11/612:55 pmORD - SOF
1 stop12h 15mTurkish Airlines
Mon 11/259:40 pmSOF - ORD
1 stop20h 30mTurkish Airlines
Deal found 5/10$632
Sat 9/218:30 pmORD - SOF
1 stop34h 25mTurkish Airlines
Wed 10/303:55 pmSOF - ORD
1 stop34h 30mTurkish Airlines
Deal found 5/9$634
Thu 8/228:30 pmORD - SOF
1 stop15h 50mTurkish Airlines
Fri 9/209:20 amSOF - ORD
1 stop32h 20mTurkish Airlines
Deal found 5/9$653

Cheap Chicago to Sofia flights in May & June 2024

Find cheap flight options from Chicago to Sofia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,684,066 searches. Prices were last updated on May 11, 2024.
Check out some of the best flight deals from Chicago to Sofia in 2024. Check back regularly for other flight deals.
Sun 5/123:00 pmORD - SOF
1 stop13h 05mITA Airways
Sat 5/186:00 pmSOF - ORD
1 stop27h 10mITA Airways
Deal found 5/9$713
Fri 5/176:00 pmORD - SOF
1 stop21h 00mUnited Airlines
Thu 10/36:00 amSOF - ORD
1 stop14h 15mUnited Airlines
Deal found 5/9$722
Fri 5/1011:05 amORD - SOF
2 stops22h 05mITA Airways
Thu 5/166:00 pmSOF - ORD
1 stop27h 10mITA Airways
Deal found 5/9$723
Sat 5/189:25 pmORD - SOF
1 stop17h 35mLufthansa
Tue 10/17:30 pmSOF - ORD
1 stop24h 45mLufthansa
Deal found 5/9$730
Sat 5/186:00 pmORD - SOF
1 stop21h 00mMultiple Airlines
Mon 9/302:05 pmSOF - ORD
2 stops32h 48mMultiple Airlines
Deal found 5/9$731
Fri 5/102:20 pmORD - SOF
2 stops24h 40mLufthansa
Sun 5/1912:55 pmSOF - ORD
1 stop31h 20mLufthansa
Deal found 5/10$733
Mon 5/136:30 pmORD - SOF
1 stop20h 05mMultiple Airlines
Mon 5/203:40 pmSOF - ORD
1 stop32h 25mMultiple Airlines
Deal found 5/9$734
Fri 5/176:00 pmORD - SOF
1 stop21h 00mUnited Airlines
Tue 10/16:30 amSOF - ORD
1 stop16h 30mUnited Airlines
Deal found 5/9$736
Thu 5/1610:30 pmORD - SOF
1 stop16h 05mLufthansa
Wed 10/26:00 amSOF - ORD
1 stop14h 15mLufthansa
Deal found 5/9$737

Chicago to Sofia 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Sofia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,684,066 searches. Data last updated May 11, 2024.
Check out some of the best flight deals from Chicago to Sofia in 2024. Check back regularly for other flight deals.
Fri 9/277:10 pmORD - SOF
1 stop15h 50mBritish Airways
Wed 10/306:05 pmSOF - ORD
2 stops32h 28mBritish Airways
Deal found 5/9$707
Sat 9/2110:25 pmORD - SOF
1 stop13h 40mBritish Airways
Fri 10/112:30 pmSOF - ORD
2 stops26h 12mBritish Airways
Deal found 5/10$709
Sat 9/216:25 pmORD - SOF
2 stops17h 40mBritish Airways
Wed 10/306:05 pmSOF - ORD
2 stops30h 35mBritish Airways
Deal found 5/9$710
Sat 9/216:25 pmORD - SOF
2 stops17h 40mBritish Airways
Fri 10/112:30 pmSOF - ORD
2 stops26h 12mBritish Airways
Deal found 5/10$712
Sun 5/123:00 pmORD - SOF
1 stop13h 05mITA Airways
Sat 5/186:00 pmSOF - ORD
1 stop27h 10mITA Airways
Deal found 5/9$713
Mon 9/239:15 pmORD - SOF
1 stop15h 10mBritish Airways
Mon 10/218:00 pmSOF - ORD
2 stops29h 29mBritish Airways
Deal found 5/10$714
Tue 10/17:30 amORD - SOF
2 stops20h 35mITA Airways
Thu 10/106:00 pmSOF - ORD
1 stop27h 10mITA Airways
Deal found 5/10$718
Fri 5/176:00 pmORD - SOF
1 stop21h 00mUnited Airlines
Thu 10/36:00 amSOF - ORD
1 stop14h 15mUnited Airlines
Deal found 5/9$722
Fri 5/1011:05 amORD - SOF
2 stops22h 05mITA Airways
Thu 5/166:00 pmSOF - ORD
1 stop27h 10mITA Airways
Deal found 5/9$723

Chicago to Sofia flights leaving soon

Find last-minute flight options from Chicago to Sofia for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,684,066 searches. Data last updated May 11, 2024.
Check out these flights departing soon from Chicago to Sofia. Users should be sure to double check the price, date, and time of their last-minute flight.
Sun 5/123:00 pmORD - SOF
1 stop13h 05mITA Airways
Sun 5/196:00 pmSOF - ORD
1 stop27h 10mITA Airways
Deal found 5/10$689
Sun 5/123:00 pmORD - SOF
1 stop13h 05mITA Airways
Sat 5/186:00 pmSOF - ORD
1 stop27h 10mITA Airways
Deal found 5/9$713
Fri 5/176:00 pmORD - SOF
1 stop21h 00mUnited Airlines
Thu 10/36:00 amSOF - ORD
1 stop14h 15mUnited Airlines
Deal found 5/9$722
Sat 5/189:25 pmORD - SOF
1 stop17h 35mLufthansa
Tue 10/17:30 pmSOF - ORD
1 stop24h 45mLufthansa
Deal found 5/9$730
Sat 5/186:00 pmORD - SOF
1 stop21h 00mMultiple Airlines
Mon 9/302:05 pmSOF - ORD
2 stops32h 48mMultiple Airlines
Deal found 5/9$731
Mon 5/136:30 pmORD - SOF
1 stop20h 05mMultiple Airlines
Mon 5/203:40 pmSOF - ORD
1 stop32h 25mMultiple Airlines
Deal found 5/9$734
Fri 5/176:00 pmORD - SOF
1 stop21h 00mUnited Airlines
Tue 10/16:30 amSOF - ORD
1 stop16h 30mUnited Airlines
Deal found 5/9$736
Thu 5/1610:30 pmORD - SOF
1 stop16h 05mLufthansa
Thu 10/36:00 amSOF - ORD
1 stop14h 15mLufthansa
Deal found 5/9$737
Mon 5/1311:00 amORD - SOF
2 stops16h 20mAir Canada
Tue 5/2112:55 pmSOF - ORD
2 stops29h 06mAir Canada
Deal found 5/9$743

One-way flights to Sofia from Chicago

Search for one-way flight options from Chicago to Sofia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,684,066 searches. Data last updated May 11, 2024.
Some of the best available deals we've found on one-way flights from Chicago to Sofia. Those seeking round-trip flights from Chicago to Sofia should utilize the search form at the the top of the page.
Tue 6/1111:24 amORD - SOF
2 stops31h 31mMultiple Airlines
Deal found 5/10$440
Tue 6/119:10 pmORD - SOF
3 stops54h 35mMultiple Airlines
Deal found 5/10$441
Sun 9/110:36 amORD - SOF
3 stops42h 34mMultiple Airlines
Deal found 5/10$445
Sat 5/185:41 pmORD - SOF
3 stops58h 29mMultiple Airlines
Deal found 5/10$483
Sun 5/196:00 amORD - SOF
2 stops46h 10mMultiple Airlines
Deal found 5/10$485
Sat 5/1811:14 amORD - SOF
2 stops42h 31mMultiple Airlines
Deal found 5/10$502
Sun 5/196:00 amORD - SOF
3 stops45h 30mMultiple Airlines
Deal found 5/10$503
Thu 7/183:00 pmORD - SOF
1 stop18h 10mITA Airways
Deal found 5/9$524
Sun 9/110:36 amORD - SOF
2 stops32h 19mMultiple Airlines
Deal found 5/10$536

Find flights from Chicago to Sofia within your budget

Customize your flight search to find flights from Chicago to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,684,066 searches. Data last updated May 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$579 - $722

Route

Depart

Return

Price

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 11/5

1 stop14h 30m

Sofia

Mon 11/25

1 stop27h 25m

$579

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 11/5

2 stops21h 03m

Sofia

Sat 11/23

1 stop28h 00m

$590

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 9/9

1 stop13h 05m

Sofia

Tue 10/1

1 stop20h 30m

$594

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 11/6

1 stop12h 45m

Sofia

Sun 11/24

1 stop14h 00m

$641

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 11/5

2 stops17h 15m

Sofia

Sat 11/23

2 stops21h 17m

$642

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 9/17

2 stops20h 35m

Sofia

Wed 9/25

1 stop27h 10m

$659

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 8/20

1 stop14h 50m

Sofia

Wed 9/11

1 stop33h 45m

$717

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 9/13

2 stops36h 45m

Sofia

Sat 9/21

1 stop28h 30m

$718

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 5/20

1 stop21h 00m

Sofia

Wed 10/2

1 stop14h 15m

$722

Flights are sorted by cheapest first

Deals found on 5/10

When is the best time to book a flight from Chicago to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Sofia. Price data was last updated on May 10, 2024.
The price you pay for your flight from Chicago to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 17 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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When is the cheapest time to fly from Chicago to Sofia?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Sofia. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago to Sofia flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Sofia by month

Plan your trip from Chicago to Sofia by taking into account the cheapest months to travel. The average price of a one-way flight from Chicago to Sofia is currently $484 while a round-trip flight costs $651. Price data was last updated on May 5, 2024.

Currently, November is the cheapest month in which you can book a flight from Chicago to Sofia (average of $660). Flying from Chicago to Sofia in June is currently the most expensive (average of $1,333). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$661

February

$682

March

$680

April

$776

May

$930

June

$1,333

July

$1,163

August

$933

September

$789

October

$705

November

$660

December

$673

Temperature and rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average temperature and rainfall totals by month.

SOF

Temperature

30.2 - 68 °F

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated May 11, 2024.
Peruse reviews from past customers who have flown with British Airways, Turkish Airlines and Lufthansa from Chicago to Sofia to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.8
Good
2,003 reviews
Check prices

Entertainment

7.2

Crew

8.4

Boarding

7.9

Comfort

7.6

Overall

7.8

Food

7.4

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

SWISS
7.8
Good
2,003 reviews
SWISS
7.8
Good
2,003 reviews
Check prices

Entertainment

7.2

Crew

8.4

Boarding

7.9

Comfort

7.6

Overall

7.8

Food

7.4

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Austrian Airlines
7.7
Good
1,062 reviews
SWISS
7.8
Good
2,003 reviews
Check prices

Entertainment

7.2

Crew

8.4

Boarding

7.9

Comfort

7.6

Overall

7.8

Food

7.4

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

airBaltic
7.6
Good
234 reviews
SWISS
7.8
Good
2,003 reviews
Check prices

Entertainment

7.2

Crew

8.4

Boarding

7.9

Comfort

7.6

Overall

7.8

Food

7.4

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Turkish Airlines
7.4
Good
3,716 reviews
SWISS
7.8
Good
2,003 reviews
Check prices

Entertainment

7.2

Crew

8.4

Boarding

7.9

Comfort

7.6

Overall

7.8

Food

7.4

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

United Airlines
7.4
Good
11,014 reviews
SWISS
7.8
Good
2,003 reviews
Check prices

Entertainment

7.2

Crew

8.4

Boarding

7.9

Comfort

7.6

Overall

7.8

Food

7.4

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Chicago?

    Sofia (SOF) is the airport you will fly into if you book a flight from Chicago to Sofia. You should not have trouble finding flights to Sofia from Chicago; the airport handles an average of 0 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 16 airlines have flights to the Sofia airport from Chicago. It is only a 4.2 mi journey from Sofia (SOF) to Sofia’s city center.

  • Can I find flights from Chicago to Sofia for under $600 on Cheapflights?

    Yes, there are multiple flights from Chicago to Sofia for under $600. The cheapest flight booked recently is on British Airways for just $579, but on average you can expect to pay $625.

  • Are there last-minute flights available from Chicago to Sofia for under $700?

    There are currently 20+ open flights from Chicago to Sofia within the next 7 days for less than $700.

  • What are the cheapest airlines flying from Chicago to Sofia round-trip?

    According to our current data, British Airways ($579), Turkish Airlines ($594), and Lufthansa ($641) offers the cheapest pricing from Chicago to Sofia. British Airways is currently priced 30% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago to Sofia one-way?

    The cheapest airline one-way is ITA Airways, with whom users have recently found tickets for as low as $524. However, be on the lookout for offers from LOT and airBaltic, as they are both options that can get you from Chicago to Sofia for a low price.

  • What are the most popular airlines that fly from Chicago to Sofia?

    Undisclosed Carrier, American Airlines and Air Canada are the most popular airlines when flying from Chicago to Sofia.

  • What does ORD to SOF mean?

    Great question - ORD to SOF just means Chicago O'Hare Intl Airport to Sofia Airport. Now you’ll know what these unique codes when you look for flights! Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are some additional IATA codes for airports related to your trip.

  • Where are the most common layover locations when flying from Chicago to Sofia?

    Chicago to Sofia flights have a layover in Munich most often. Istanbul sees the next most layovers on Chicago to Sofia flights.

  • What are some popular things to do or see while on a layover in Munich?

    The majority of Munich visitors spend their time at Theresienwiese, Marienplatz, and Botanische Garten München-Nymphenburg. Theresienwiese, Marienplatz, and Botanische Garten München-Nymphenburg can be visited by traveling about 18.8 mi, 17.8 mi, and 18.6 mi respectively from Munich Franz Josef Strauss. Those on a layover in Munich in need of a rental car can book one at Munich Franz Josef Strauss for about $48.

  • What are some popular points of interest to see during a layover in Istanbul?

    Most Istanbul visitors opt to spend their time at Taksim Square, Sultan Ahmet Camii, and Fatih Camii. Taksim Square, Sultan Ahmet Camii, and Fatih Camii are located about 20.8 mi, 22.3 mi, and 20.8 mi, respectively from Istanbul. Those on a layover in Istanbul in need of a rental car can book one at Istanbul for about $31.

  • Where are the least popular layover locations for Chicago to Sofia flights?

    Chicago to Sofia flights have a layover in Frankfurt am Main least often. Frankfurt am Main is followed by Warsaw in terms of the least popular layover location on flights from Chicago to Sofia.

  • Can I find deals for flights from Chicago to Sofia that include extra baggage allowance?

    The amount of baggage you can bring on your Chicago to Sofia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Chicago to Sofia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Sofia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Chicago to Sofia that include hotel bookings?

    Yes. In addition to deals on Chicago to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Sofia.

  • Can I find deals for business class flights from Chicago to Sofia?

    Yes. Cheapflights offers flight deals from Chicago to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Chicago to Sofia that allow pets onboard?

    Many airlines flying from Chicago to Sofia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Chicago to Sofia?

    Yes, you can often find last-minute deals on Chicago to Sofia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago to Sofia flight deals updated?

    The Chicago to Sofia flight deals you see on this page were last updated on 5/10.

See more FAQs

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Alternative routes for Chicago to Sofia
See prices for flight routes from nearby airports that may be better suited for you.

O'Hare Intl to Sofia flights
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Top 10 airlines flying from Chicago to Sofia

Discover the top 10 airlines that operate flights from Chicago to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,684,066 searches. Data last updated May 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$422Average$485FlexibilityNo cancel feeOn-time75%
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Air FranceCheapest$495Average$610FlexibilityNo cancel feeOn-time77%
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Austrian AirlinesCheapest$518Average$865FlexibilityNo cancel feeOn-time78%
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Turkish AirlinesCheapest$553Average$781FlexibilityNo cancel feeOn-time77%
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British AirwaysCheapest$576Average$914FlexibilityNo cancel feeOn-time70%
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LufthansaCheapest$581Average$946FlexibilityNo cancel feeOn-time76%
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United AirlinesCheapest$591Average$883FlexibilityNo cancel feeOn-time69%
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LOTCheapest$601Average$1,159FlexibilityNo cancel feeOn-time81%
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Alaska AirlinesCheapest$605Average$708FlexibilityNo cancel feeOn-time75%
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SWISSCheapest$657Average$1,067FlexibilityNo cancel feeOn-time79%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chicago to Sofia?

Cheapflights makes it easy to find Chicago to Sofia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Sofia?

Cheapflights helps you find that perfect flight to Sofia from Chicago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Chicago to Sofia with no change fees?

Certainly. Search results for flights to Sofia from Chicago shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Chicago to Sofia become cheaper?

Yes, Cheapflights offers price alerts on Chicago to Sofia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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