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Cheap flights from Sofia (SOF) to Chicago (CHI) from $457

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 8/26. 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.
SOF — CHI
jun. 11 — jun. 181
From?
To?
mar. 6/11
mar. 6/18
1 adult, Economy
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The best prices from Sofia to Chicago are usually found in February or April, booked 68 days in advance, depart on a Friday or Monday and return on a Thursday

Cheap flight deals from Sofia to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to Chicago (CHI). 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 junio 6, 2024.

Popular in

July

Cheapest in

February

Average price

$709

Round-trip from

$223
High demand for flights, 15% potential price rise
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Best time to find cheap flights, 14% potential price drop
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Average for round-trip flights in June 2024
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From Sofia to Chicago (CHI)
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What is the cheapest day to fly round-trip from Sofia to Chicago?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 17% on your flight compared to booking on days when demand is much higher.

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

Users have found that booking a flight from Sofia to Chicago at least 40 days early can save you up to 9% on average compared to booking a flight this week. If booking 40 days before your flight isn’t an option for you, users have found flights from Sofia to Chicago for as little as $586 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $773 for flights departing within the next 3 days.

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

February can be a great time to fly to Chicago from Sofia with a flight ticket averaging about $685. Cheapflights users have found deals in the month of February for as cheap as $539. The most expensive prices can be found in the month of July.

What is the cheapest time of day to fly from SOF to CHI?

A simple way to save on the total cost of your ticket is to fly from Sofia to Chicago in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the morning.

Cheap Sofia to Chicago flights in June & July 2024

Find cheap flight options from Sofia to Chicago specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on junio 6, 2024.
Check out some of the best flight deals from Sofia to Chicago in 2024. Check back regularly for other flight deals.
dom. 6/239:00 pmSOF - ORD
1 stop21h 45mBritish Airways
vie. 7/57:10 pmORD - SOF
1 stop15h 50mBritish Airways
Deal found 6/5$636
dom. 6/239:00 pmSOF - ORD
1 stop21h 45mBritish Airways
vie. 7/54:45 pmORD - SOF
1 stop18h 15mBritish Airways
Deal found 6/6$637
jue. 7/42:05 pmSOF - ORD
2 stops27h 56mUnited Airlines
mié. 11/273:50 pmORD - SOF
2 stops22h 55mUnited Airlines
Deal found 6/6$639
jue. 7/42:05 pmSOF - ORD
2 stops25h 52mUnited Airlines
mié. 12/46:00 pmORD - SOF
1 stop20h 45mUnited Airlines
Deal found 6/5$640
jue. 7/46:00 amSOF - ORD
1 stop16h 00mMultiple Airlines
mié. 11/274:10 pmORD - SOF
1 stop15h 05mMultiple Airlines
Deal found 6/5$644
jue. 6/202:05 pmSOF - ORD
2 stops31h 57mUnited Airlines
jue. 7/410:05 amORD - SOF
2 stops24h 40mUnited Airlines
Deal found 6/5$645
jue. 7/46:30 amSOF - ORD
1 stop14h 25mMultiple Airlines
mié. 11/274:10 pmORD - SOF
1 stop15h 05mMultiple Airlines
Deal found 6/6$646
jue. 6/206:30 amSOF - ORD
1 stop16h 30mUnited Airlines
jue. 7/410:05 amORD - SOF
2 stops24h 40mUnited Airlines
Deal found 6/5$650
vie. 6/216:00 amSOF - ORD
1 stop14h 15mUnited Airlines
vie. 7/56:55 amORD - SOF
2 stops22h 25mUnited Airlines
Deal found 6/6$651

Sofia to Chicago 2024 flight deals

Discover exclusive flight deals for travel between Sofia and Chicago in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
Check out some of the best flight deals from Sofia to Chicago in 2024. Check back regularly for other flight deals.
mar. 10/16:30 amSOF - ORD
1 stop14h 40mLufthansa
sáb. 10/123:35 pmORD - SOF
1 stop12h 35mLufthansa
Deal found 6/5$620
dom. 6/239:00 pmSOF - ORD
1 stop21h 45mBritish Airways
vie. 7/57:10 pmORD - SOF
1 stop15h 50mBritish Airways
Deal found 6/5$636
dom. 6/239:00 pmSOF - ORD
1 stop21h 45mBritish Airways
vie. 7/54:45 pmORD - SOF
1 stop18h 15mBritish Airways
Deal found 6/6$637
jue. 7/42:05 pmSOF - ORD
2 stops27h 56mUnited Airlines
mié. 11/273:50 pmORD - SOF
2 stops22h 55mUnited Airlines
Deal found 6/6$639
jue. 7/42:05 pmSOF - ORD
2 stops25h 52mUnited Airlines
mié. 12/46:00 pmORD - SOF
1 stop20h 45mUnited Airlines
Deal found 6/5$640
mar. 10/16:30 amSOF - ORD
1 stop14h 40mUnited Airlines
sáb. 10/123:50 pmORD - SOF
2 stops18h 55mUnited Airlines
Deal found 6/5$643
jue. 7/46:00 amSOF - ORD
1 stop16h 00mMultiple Airlines
mié. 11/274:10 pmORD - SOF
1 stop15h 05mMultiple Airlines
Deal found 6/5$644
jue. 6/202:05 pmSOF - ORD
2 stops31h 57mUnited Airlines
jue. 7/410:05 amORD - SOF
2 stops24h 40mUnited Airlines
Deal found 6/5$645
jue. 7/46:30 amSOF - ORD
1 stop14h 25mMultiple Airlines
mié. 11/274:10 pmORD - SOF
1 stop15h 05mMultiple Airlines
Deal found 6/6$646

Sofia to Chicago flights leaving soon

Find last-minute flight options from Sofia to Chicago 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 3,050,429 searches. Data last updated junio 6, 2024.
Have a look at some of the last-minute flights available departing from Sofia to Chicago. Tip: verify your flight details before completing your reservation.
dom. 6/167:30 pmSOF - ORD
1 stop26h 30mLufthansa
dom. 6/309:25 pmORD - SOF
1 stop17h 35mLufthansa
Deal found 6/6$740
dom. 6/166:00 amSOF - ORD
2 stops35h 08mUnited Airlines
dom. 6/309:25 pmORD - SOF
1 stop17h 35mUnited Airlines
Deal found 6/6$748
vie. 6/146:00 amSOF - ORD
2 stops20h 26mUnited Airlines
sáb. 6/2210:30 pmORD - SOF
2 stops16h 30mUnited Airlines
Deal found 6/6$759
dom. 6/166:00 amSOF - ORD
2 stops34h 05mUnited Airlines
dom. 6/307:00 amORD - SOF
2 stops20h 20mUnited Airlines
Deal found 6/6$761
vie. 6/147:30 pmSOF - ORD
1 stop24h 45mLufthansa
sáb. 6/2210:30 pmORD - SOF
2 stops16h 30mLufthansa
Deal found 6/6$762
vie. 6/147:30 pmSOF - ORD
1 stop24h 45mLufthansa
sáb. 6/223:35 pmORD - SOF
1 stop19h 10mLufthansa
Deal found 6/6$778

One-way flights to Chicago from Sofia

Search for one-way flight options from Sofia to Chicago. 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 3,050,429 searches. Data last updated junio 6, 2024.
Users in need of a one-way flight from Sofia to Chicago can choose from these deals. For those needing a return trip from Sofia, there is a search form available above.
lun. 8/265:00 amSOF - ORD
3 stops22h 18mMultiple Airlines
Deal found 6/5$457
sáb. 6/157:20 pmSOF - ORD
3 stops52h 50mMultiple Airlines
Deal found 6/5$519
sáb. 7/136:20 amSOF - ORD
2 stops35h 53mMultiple Airlines
Deal found 6/6$561
mié. 8/285:00 amSOF - ORD
3 stops24h 15mMultiple Airlines
Deal found 6/5$571
lun. 8/261:35 pmSOF - ORD
1 stop33h 50mQatar Airways
Deal found 6/5$573
sáb. 6/155:00 amSOF - ORD
1 stop24h 00mAir Serbia
Deal found 6/5$577
sáb. 7/1312:40 pmSOF - ORD
3 stops29h 00mMultiple Airlines
Deal found 6/6$581
lun. 7/19:50 pmSOF - ORD
2 stops31h 25mMultiple Airlines
Deal found 6/6$586
jue. 8/295:00 amSOF - ORD
3 stops21h 15mMultiple Airlines
Deal found 6/5$595

Find flights from Sofia to Chicago within your budget

Customize your flight search to find flights from Sofia to Chicago 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 3,050,429 searches. Data last updated junio 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$620 - $983

Route

Depart

Return

Price

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

mar. 10/1

1 stop14h 40m

Chicago O'Hare Intl

sáb. 10/12

1 stop12h 35m

$620

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

dom. 6/23

1 stop21h 45m

Chicago O'Hare Intl

vie. 7/5

1 stop15h 50m

$636

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

jue. 7/4

2 stops27h 56m

Chicago O'Hare Intl

mié. 11/27

2 stops22h 55m

$639

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

jue. 7/4

1 stop16h 00m

Chicago O'Hare Intl

mié. 11/27

1 stop15h 05m

$644

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

mar. 7/9

1 stop20h 30m

Chicago O'Hare Intl

vie. 7/19

1 stop34h 25m

$702

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

jue. 7/11

1 stop27h 10m

Chicago O'Hare Intl

jue. 7/25

1 stop18h 10m

$762

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

mar. 7/23

1 stop13h 00m

Chicago O'Hare Intl

dom. 8/11

1 stop32h 15m

$857

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

jue. 7/11

2 stops32h 35m

Chicago O'Hare Intl

jue. 7/25

2 stops17h 10m

$926

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

mié. 7/31

2 stops18h 00m

Chicago O'Hare Intl

mié. 8/21

2 stops18h 00m

$983

Flights are sorted by cheapest first

Deals found on 6/5

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

Use this chart to determine the optimal time to book a round-trip flight from Sofia to Chicago. Price data was last updated on May 31, 2024.
The best time to book flights from Sofia to Chicago is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from Sofia to Chicago. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Sofia to Chicago flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Sofia to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Sofia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Chicago by month

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

CHI

Temperature

23 - 73.4 °F

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated junio 6, 2024.
Read through reviews of airlines operating flights from Sofia to Chicago, such as Air Canada, United Airlines and Lufthansa. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.7
Good
4,312 reviews

Food

7.5

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.1

Entertainment

7.6

Reviews

1 / 10

security procedure is too many times. need review. no bathroom facility once all passanger are in holding area after security and gate checked in. C5

Qatar Airways
7.7
Good
4,312 reviews
Qatar Airways
7.7
Good
4,312 reviews

Food

7.5

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.1

Entertainment

7.6

Reviews

1 / 10

security procedure is too many times. need review. no bathroom facility once all passanger are in holding area after security and gate checked in. C5

Air France
7.5
Good
1,720 reviews
Qatar Airways
7.7
Good
4,312 reviews

Food

7.5

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.1

Entertainment

7.6

Reviews

1 / 10

security procedure is too many times. need review. no bathroom facility once all passanger are in holding area after security and gate checked in. C5

Turkish Airlines
7.4
Good
3,718 reviews
Qatar Airways
7.7
Good
4,312 reviews

Food

7.5

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.1

Entertainment

7.6

Reviews

1 / 10

security procedure is too many times. need review. no bathroom facility once all passanger are in holding area after security and gate checked in. C5

United Airlines
7.4
Good
10,696 reviews
Qatar Airways
7.7
Good
4,312 reviews

Food

7.5

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.1

Entertainment

7.6

Reviews

1 / 10

security procedure is too many times. need review. no bathroom facility once all passanger are in holding area after security and gate checked in. C5

American Airlines
7.3
Good
14,227 reviews
Qatar Airways
7.7
Good
4,312 reviews

Food

7.5

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.1

Entertainment

7.6

Reviews

1 / 10

security procedure is too many times. need review. no bathroom facility once all passanger are in holding area after security and gate checked in. C5

Related info for your journey

Find useful and relevant information for your journey from Sofia to Chicago. 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 from for flights from Sofia to Chicago?

    Most people fly from Sofia (SOF) if they book a flight from Sofia to Chicago. On average, Sofia has 0 outbound flights to Chicago per day from 8 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

  • Can I find flights from Sofia to Chicago for under $700 on Cheapflights?

    Yes, there are multiple flights from Sofia to Chicago for under $700. The cheapest flight booked recently is on Lufthansa for just $620, but on average you can expect to pay $653.

  • Are there last-minute flights available from Sofia to Chicago for under $800?

    There are currently 6+ open flights from Sofia to Chicago within the next 7 days for less than $800.

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

    Currently priced at $620, Lufthansa will fly you from Sofia to Chicago and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from $636 and $639, respectively. Lufthansa is priced at 9% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $573 on Qatar Airways. Other airlines that offer cheap prices include Air Serbia from $577 and Turkish Airlines from $607 one-way.

  • What does SOF to ORD mean?

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

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

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

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

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

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

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

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

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

    Many airlines flying from Sofia to Chicago 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 Sofia to Chicago?

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

    The Sofia to Chicago flight deals you see on this page were last updated on 6/6.

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

    British Airways, KLM and Lufthansa are the most popular airlines when flying from Sofia to Chicago.

  • What is the cheapest month to book a flight from Sofia to Chicago?

    Currently, February is the cheapest month in which you can book a flight from Sofia to Chicago (average of $244). Flying from Sofia to Chicago in July is currently the most expensive (average of $324). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Sofia to O'Hare Intl flights
Sofia to Midway flights

Top 8 airlines flying from Sofia to Chicago

Discover the top 8 airlines that operate flights from Sofia to Chicago. 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 3,050,429 searches. Data last updated junio 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$531Average$666FlexibilityNo cancel feeOn-time70%
LOTCheapest$538Average$641FlexibilityNo cancel feeOn-time81%
KLMCheapest$552Average$605FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$602Average$768FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$610Average$794FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$633Average$779FlexibilityNo cancel feeOn-time69%
SWISSCheapest$638Average$691FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$653Average$715FlexibilityNo cancel feeOn-time77%
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Find flights from Sofia to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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