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Cheap flights from Chicago (CHI) to Bulgaria from $447

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 9/1. 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 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
1 adult, Economy
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How far in advance should I book a flight from Chicago to Bulgaria?

To save on the cost of your flight from Chicago to Bulgaria, book at least 18 days before your planned departure. Booking around this time can save you about 1% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $674 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $674.

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

The best pricing can be found in the month of November. Prices to Bulgaria from Chicago average $839. You can even find prices in November for less than $839, as users have found deals to Bulgaria from as low as $444. The month of June appears to be one of the more expensive times to travel to Bulgaria from Chicago. Flying in the targeted month can save you up to 53%.

When is the cheapest time to fly from Chicago to Bulgaria (CHI - BG)?

When flying from Chicago to Bulgaria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap British Airways flights from Chicago to Bulgaria

Explore cheap flight options specifically provided by British Airways for the route between Chicago and Bulgaria. 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 2,752,338 searches. Data last updated May 9, 2024.
Consider these cheap British Airways flights we've found departing from Chicago to Bulgaria. Make sure to check back often as deals are often changing.
Mon 11/49:00 amORD - SOF
1 stop26h 05mBritish Airways
Mon 11/185:25 pmSOF - ORD
1 stop27h 25mBritish Airways
Deal found 5/7$579
Fri 9/67:10 pmORD - SOF
1 stop15h 50mBritish Airways
Sat 10/58:05 pmSOF - ORD
1 stop22h 40mBritish Airways
Deal found 5/8$699
Sat 10/196:25 pmORD - SOF
2 stops17h 40mBritish Airways
Sat 10/268:05 pmSOF - ORD
1 stop25h 45mBritish Airways
Deal found 5/8$703
Mon 9/28:40 pmORD - SOF
1 stop15h 45mBritish Airways
Fri 9/272:30 pmSOF - ORD
2 stops26h 19mBritish Airways
Deal found 5/8$709
Sat 10/199:15 pmORD - SOF
1 stop14h 50mBritish Airways
Mon 10/285:25 pmSOF - ORD
2 stops31h 35mBritish Airways
Deal found 5/8$764
Wed 5/299:25 pmORD - SOF
1 stop15h 05mBritish Airways
Sat 9/148:05 pmSOF - ORD
1 stop27h 45mBritish Airways
Deal found 5/8$804
Fri 8/309:15 pmORD - SOF
1 stop13h 45mBritish Airways
Sat 9/288:05 pmSOF - ORD
1 stop22h 40mBritish Airways
Deal found 5/8$854
Sat 8/3110:40 pmORD - SOF
1 stop13h 25mBritish Airways
Fri 9/272:30 pmSOF - ORD
2 stops26h 19mBritish Airways
Deal found 5/8$864
Sun 9/110:40 pmORD - SOF
1 stop12h 30mBritish Airways
Fri 10/42:30 pmSOF - ORD
2 stops26h 19mBritish Airways
Deal found 5/8$919

Cheap American Airlines flights from Chicago to Bulgaria

Explore cheap flight options specifically provided by American Airlines for the route between Chicago and Bulgaria. 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 2,752,338 searches. Data last updated May 9, 2024.
Have a look at some of the cheapest available American Airlines flights departing from Chicago and landing in Bulgaria. Check back soon if you're not seeing flights that suit your needs.
Mon 11/43:00 pmORD - SOF
2 stops20h 05mAmerican Airlines
Mon 11/185:25 pmSOF - ORD
1 stop27h 25mAmerican Airlines
Deal found 5/7$583
Mon 11/43:00 pmORD - SOF
2 stops20h 05mAmerican Airlines
Mon 11/185:25 pmSOF - ORD
2 stops30h 39mAmerican Airlines
Deal found 5/7$592

Cheap Chicago to Bulgaria flights in May & June 2024

Find cheap flight options from Chicago to Bulgaria specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 9, 2024.
Check out some of the best flight deals from Chicago to Bulgaria in 2024. Check back in a little while for more flight options.
Fri 5/103:00 pmORD - SOF
1 stop18h 10mITA Airways
Mon 5/1312:55 pmSOF - ORD
1 stop32h 15mITA Airways
Deal found 5/9$669
Fri 5/103:00 pmORD - SOF
1 stop18h 10mITA Airways
Sat 5/186:00 pmSOF - ORD
1 stop27h 10mITA Airways
Deal found 5/8$689
Sun 5/193:00 pmORD - SOF
1 stop13h 05mITA Airways
Sat 8/316:00 pmSOF - ORD
1 stop27h 10mITA Airways
Deal found 5/9$690
Fri 5/1011:05 amORD - SOF
2 stops22h 05mITA Airways
Mon 5/1312:55 pmSOF - ORD
1 stop32h 15mITA Airways
Deal found 5/9$698
Fri 5/1011:05 amORD - SOF
2 stops22h 05mITA Airways
Sat 5/186:00 pmSOF - ORD
1 stop27h 10mITA Airways
Deal found 5/9$718
Mon 5/207:15 pmORD - SOF
2 stops32h 55mSWISS
Wed 8/282:10 pmSOF - ORD
1 stop30h 00mSWISS
Deal found 5/9$737
Fri 5/107:30 amORD - SOF
2 stops19h 50mUnited Airlines
Tue 5/216:00 amSOF - ORD
1 stop14h 15mUnited Airlines
Deal found 5/8$741
Fri 5/107:30 amORD - SOF
2 stops19h 50mUnited Airlines
Sun 5/1912:55 pmSOF - ORD
1 stop31h 20mUnited Airlines
Deal found 5/8$750
Fri 5/107:30 amORD - SOF
2 stops21h 50mUnited Airlines
Sat 5/186:30 amSOF - ORD
2 stops21h 29mUnited Airlines
Deal found 5/8$766

Chicago to Bulgaria 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Bulgaria in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.
Check out some of the best flight deals from Chicago to Bulgaria in 2024. Check back in a little while for more flight options.
Mon 11/49:00 amORD - SOF
1 stop26h 05mBritish Airways
Mon 11/185:25 pmSOF - ORD
1 stop27h 25mBritish Airways
Deal found 5/7$579
Mon 11/43:00 pmORD - SOF
2 stops20h 05mAmerican Airlines
Mon 11/185:25 pmSOF - ORD
1 stop27h 25mAmerican Airlines
Deal found 5/7$583
Mon 11/43:00 pmORD - SOF
2 stops20h 05mAmerican Airlines
Mon 11/185:25 pmSOF - ORD
2 stops30h 39mAmerican Airlines
Deal found 5/7$592
Tue 10/18:30 pmORD - SOF
1 stop28h 00mTurkish Airlines
Tue 10/159:20 amSOF - ORD
1 stop32h 20mTurkish Airlines
Deal found 5/8$595
Sun 8/411:25 amORD - SOF
1 stop19h 30mTurkish Airlines
Mon 9/303:45 pmSOF - ORD
1 stop25h 55mTurkish Airlines
Deal found 5/8$607
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 stop15h 50mTurkish Airlines
Thu 10/39:10 pmSOF - ORD
1 stop28h 35mTurkish Airlines
Deal found 5/9$624
Thu 11/79:20 pmORD - SOF
1 stop15h 30mTurkish Airlines
Thu 11/2110:00 amSOF - ORD
1 stop32h 10mTurkish Airlines
Deal found 5/7$625
Sun 7/288:30 pmORD - SOF
1 stop34h 25mTurkish Airlines
Wed 10/99:10 pmSOF - ORD
1 stop20h 30mTurkish Airlines
Deal found 5/8$629

Chicago to Bulgaria flights leaving soon

Find last-minute flight options from Chicago to Bulgaria 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 2,752,338 searches. Data last updated May 9, 2024.
Have a look at some of the last-minute flights available departing from Chicago to Bulgaria. Users should examine the flight details to ensure there are no surprises.
Sat 5/189:40 pmORD - SOF
1 stop12h 15mLOT
Sat 8/312:40 pmSOF - ORD
1 stop13h 00mLOT
Deal found 5/9$874
Sun 5/193:00 pmORD - SOF
1 stop13h 05mITA Airways
Sat 8/316:00 pmSOF - ORD
2 stops31h 42mITA Airways
Deal found 5/9$884
Sun 5/197:15 pmORD - SOF
2 stops19h 35mMultiple Airlines
Mon 6/106:00 amSOF - ORD
3 stops34h 24mMultiple Airlines
Deal found 5/7$968
Sun 5/1911:00 amORD - SOF
2 stops16h 20mAir Canada
Sat 8/316:00 amSOF - ORD
2 stops33h 56mAir Canada
Deal found 5/9$974
Sat 5/185:10 pmORD - SOF
2 stops36h 45mLOT
Sat 8/312:40 pmSOF - ORD
1 stop13h 00mLOT
Deal found 5/9$989
Sun 5/197:15 pmORD - SOF
3 stops32h 00mMultiple Airlines
Mon 6/106:00 amSOF - ORD
3 stops34h 24mMultiple Airlines
Deal found 5/7$999
Sat 5/1812:31 pmORD - SOF
2 stops26h 29mUnited Airlines
Sat 8/316:00 amSOF - ORD
2 stops35h 01mUnited Airlines
Deal found 5/9$1,040
Sun 5/197:15 pmORD - SOF
2 stops19h 35mMultiple Airlines
Sun 6/94:05 pmSOF - ORD
3 stops34h 10mMultiple Airlines
Deal found 5/7$1,041
Sun 5/194:35 pmORD - SOF
1 stop13h 50mMultiple Airlines
Mon 6/104:55 pmSOF - ORD
2 stops49h 19mMultiple Airlines
Deal found 5/7$1,072

One-way flights to Bulgaria from Chicago

Search for one-way flight options from Chicago to Bulgaria. 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 2,752,338 searches. Data last updated May 9, 2024.
Users in need of a one-way flight from Chicago to Bulgaria can choose from these deals. Users in need of a round-trip flight from Chicago to Bulgaria instead should update the search form at the top of page.
Sun 9/15:56 pmORD - SOF
2 stops42h 29mMultiple Airlines
Deal found 5/8$447
Sat 5/187:13 pmORD - SOF
3 stops43h 37mMultiple Airlines
Deal found 5/8$459
Sat 5/187:07 pmORD - SOF
2 stops43h 43mMultiple Airlines
Deal found 5/8$463
Sat 5/189:08 pmMDW - SOF
2 stops41h 42mMultiple Airlines
Deal found 5/8$463
Mon 7/2910:00 amORD - SOF
2 stops41h 40mMultiple Airlines
Deal found 5/8$464
Mon 7/2910:15 pmORD - SOF
3 stops31h 40mMultiple Airlines
Deal found 5/8$474
Thu 7/183:00 pmORD - SOF
1 stop18h 10mITA Airways
Deal found 5/8$524
Sun 9/15:19 pmORD - SOF
3 stops22h 36mMultiple Airlines
Deal found 5/8$537
Tue 7/302:00 pmORD - SOF
2 stops19h 10mITA Airways
Deal found 5/8$539

Find flights from Chicago to Bulgaria within your budget

Customize your flight search to find flights from Chicago to Bulgaria 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 2,752,338 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$579 - $728

Route

Depart

Return

Price

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 11/4

1 stop26h 05m

Sofia

Mon 11/18

1 stop27h 25m

$579

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 11/4

2 stops20h 05m

Sofia

Mon 11/18

1 stop27h 25m

$583

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 10/1

1 stop28h 00m

Sofia

Tue 10/15

1 stop32h 20m

$595

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Wed 7/24

2 stops26h 00m

Sofia

Thu 8/22

1 stop27h 10m

$660

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 9/1

1 stop12h 15m

Sofia

Sat 9/28

1 stop28h 30m

$710

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 8/20

1 stop14h 50m

Sofia

Wed 9/11

1 stop30h 00m

$718

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 10/19

1 stop12h 35m

Sofia

Sat 10/26

1 stop14h 15m

$720

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 8/20

2 stops17h 10m

Sofia

Thu 9/12

1 stop14h 30m

$726

Chicago O'Hare IntlSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 8/25

1 stop11h 20m

Sofia

Fri 9/13

1 stop26h 35m

$728

Flights are sorted by cheapest first

Deals found on 5/7

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated May 9, 2024.
Read through reviews of airlines operating flights from Chicago to Bulgaria, such as British Airways, American Airlines and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.8
Good
2,013 reviews
Check prices

Comfort

7.6

Crew

8.4

Food

7.4

Entertainment

7.2

Boarding

7.9

Overall

7.8

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
2,013 reviews
SWISS
7.8
Good
2,013 reviews
Check prices

Comfort

7.6

Crew

8.4

Food

7.4

Entertainment

7.2

Boarding

7.9

Overall

7.8

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
2,013 reviews
Check prices

Comfort

7.6

Crew

8.4

Food

7.4

Entertainment

7.2

Boarding

7.9

Overall

7.8

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
7.5
Good
3,712 reviews
SWISS
7.8
Good
2,013 reviews
Check prices

Comfort

7.6

Crew

8.4

Food

7.4

Entertainment

7.2

Boarding

7.9

Overall

7.8

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
11,043 reviews
SWISS
7.8
Good
2,013 reviews
Check prices

Comfort

7.6

Crew

8.4

Food

7.4

Entertainment

7.2

Boarding

7.9

Overall

7.8

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.

American Airlines
7.3
Good
14,677 reviews
SWISS
7.8
Good
2,013 reviews
Check prices

Comfort

7.6

Crew

8.4

Food

7.4

Entertainment

7.2

Boarding

7.9

Overall

7.8

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 Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Yes, there are multiple flights from Chicago to Bulgaria for under $600. The cheapest flight booked recently is on British Airways for just $579, but on average you can expect to pay $639.

  • Are there last-minute flights available from Chicago to Bulgaria for under $900?

    There are currently 20+ open flights from Chicago to Bulgaria within the next 7 days for less than $900.

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

    To fly one-way, consider booking your trip with ITA Airways, which is currently one of the cheapest options available, starting at $524. Turkish Airlines flights start at $562 while deals on LOT start at $604 one-way.

  • What are the most popular routes from Chicago to Bulgaria?

    The most popular route from Chicago to Bulgaria is Chicago O'Hare Intl - Sofia. You may also consider Chicago O'Hare Intl - Varna or Chicago Midway - Sofia.

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

    When booking a flight from Chicago to Bulgaria, you may want to consider flying on Undisclosed Carrier, American Airlines or Air Canada as they are the most popular for this route.

  • What does ORD to SOF mean?

    Chicago O'Hare Intl Airport is ORD and Sofia Airport is SOF. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Varna Airport (VAR), Bourgas Airport (BOJ), Plovdiv Airport (PDV).

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

    The amount of baggage you can bring on your Chicago to Bulgaria 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 Bulgaria with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Bulgaria 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 Bulgaria that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Bulgaria 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 Bulgaria that allow pets onboard?

    Many airlines flying from Chicago to Bulgaria 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 Bulgaria?

    Yes, you can often find last-minute deals on Chicago to Bulgaria 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 Bulgaria flight deals updated?

    The Chicago to Bulgaria flight deals you see on this page were last updated on 5/9.

See more FAQs

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

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Top 10 airlines flying from Chicago to Bulgaria

Discover the top 10 airlines that operate flights from Chicago to Bulgaria. 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 2,752,338 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$422Average$485FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest$495Average$610FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest$504Average$972FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Austrian AirlinesCheapest$518Average$809FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Turkish AirlinesCheapest$553Average$1,006FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest$576Average$914FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$591Average$883FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LOTCheapest$601Average$1,159FlexibilityNo cancel feeOn-time81%
Search LOT flights
Alaska AirlinesCheapest$605Average$708FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
SWISSCheapest$657Average$1,067FlexibilityNo cancel feeOn-time79%
Search SWISS flights
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Search flights from Chicago to Bulgaria by cabin class

Find flights from Chicago to Bulgaria, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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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 Bulgaria?

When you search for this flight from Chicago to Bulgaria, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chicago to Bulgaria.

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

Yes! Cheapflights helps users easily find flights from Chicago to Bulgaria with no change fees.

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

Yes, Cheapflights offers price alerts on Chicago to Bulgaria 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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