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Cheap flights from Sofia (SOF) to Chicago (CHI) from $401

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 6/1. 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.
SOF — CHI
May 25 — Jun 11
From?
To?
Sat 5/25
Sat 6/1
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 Monday or Wednesday 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 May 20, 2024.

Popular in

July

Cheapest in

February

Average price

$689

Round-trip from

$223
High demand for flights, 14% potential price rise
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Best time to find cheap flights, 14% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From Sofia to Chicago (CHI)
Search Deals

What is the cheapest day to fly round-trip from Sofia to Chicago?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 16% 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 $683. 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.

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

A simple way to save on the total cost of your ticket is to fly from Sofia to Chicago in the evening. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

Cheap Air Canada flights from Sofia to Chicago

Explore cheap flight options specifically provided by Air Canada for the route between Sofia and Chicago. 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 2,663,308 searches. Data last updated May 20, 2024.
Take a peek at the cheapest Air Canada flights we've detected traveling from Sofia to Chicago. Make sure to check back often as deals are often changing.
Tue 6/252:05 pmSOF - ORD
2 stops27h 56mAir Canada
Wed 11/2711:00 amORD - SOF
2 stops18h 00mAir Canada
Deal found 5/19$634
Wed 8/76:00 amSOF - ORD
2 stops24h 02mAir Canada
Thu 8/2911:00 amORD - SOF
2 stops16h 20mAir Canada
Deal found 5/20$995

Cheap British Airways flights from Sofia to Chicago

Explore cheap flight options specifically provided by British Airways for the route between Sofia and Chicago. 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 2,663,308 searches. Data last updated May 20, 2024.
Have a look at some of the cheapest available British Airways flights departing from Sofia and landing in Chicago. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Thu 6/69:20 pmSOF - ORD
1 stop21h 25mBritish Airways
Fri 7/54:45 pmORD - SOF
1 stop18h 15mBritish Airways
Deal found 5/20$636
Thu 6/69:20 pmSOF - ORD
2 stops26h 25mBritish Airways
Fri 7/54:45 pmORD - SOF
1 stop18h 15mBritish Airways
Deal found 5/20$642

Cheap Sofia to Chicago flights in May & June 2024

Find cheap flight options from Sofia to Chicago specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,663,308 searches. Prices were last updated on May 20, 2024.
Check out some of the best flight deals from Sofia to Chicago in 2024. Check back regularly for other flight deals.
Tue 6/252:05 pmSOF - ORD
2 stops27h 56mAir Canada
Wed 11/2711:00 amORD - SOF
2 stops18h 00mAir Canada
Deal found 5/19$634
Thu 5/236:00 pmSOF - ORD
1 stop27h 10mITA Airways
Wed 7/103:00 pmORD - SOF
1 stop18h 10mITA Airways
Deal found 5/19$645
Thu 6/66:30 amSOF - ORD
2 stops23h 32mUnited Airlines
Fri 7/57:45 amORD - SOF
2 stops19h 35mUnited Airlines
Deal found 5/19$647
Thu 6/612:55 pmSOF - ORD
1 stop13h 20mUnited Airlines
Fri 7/57:45 amORD - SOF
2 stops19h 35mUnited Airlines
Deal found 5/19$651
Tue 6/256:00 amSOF - ORD
2 stops25h 20mUnited Airlines
Wed 11/276:00 pmORD - SOF
1 stop20h 45mUnited Airlines
Deal found 5/19$654
Tue 6/252:05 pmSOF - ORD
1 stop29h 00mMultiple Airlines
Wed 11/277:05 pmORD - SOF
1 stop12h 10mMultiple Airlines
Deal found 5/19$661
Thu 6/610:55 amSOF - ORD
1 stop13h 00mMultiple Airlines
Fri 7/59:25 pmORD - SOF
1 stop13h 20mMultiple Airlines
Deal found 5/19$674
Thu 6/610:55 amSOF - ORD
1 stop13h 00mMultiple Airlines
Wed 7/39:25 pmORD - SOF
1 stop13h 20mMultiple Airlines
Deal found 5/19$710
Wed 6/56:45 pmSOF - ORD
1 stop26h 35mMultiple Airlines
Wed 7/39:25 pmORD - SOF
1 stop17h 35mMultiple Airlines
Deal found 5/19$712

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 2,663,308 searches. Data last updated May 20, 2024.
Check out some of the best flight deals from Sofia to Chicago in 2024. Check back regularly for other flight deals.
Tue 6/252:05 pmSOF - ORD
2 stops27h 56mAir Canada
Wed 11/2711:00 amORD - SOF
2 stops18h 00mAir Canada
Deal found 5/19$634
Thu 5/236:00 pmSOF - ORD
1 stop27h 10mITA Airways
Wed 7/103:00 pmORD - SOF
1 stop18h 10mITA Airways
Deal found 5/19$645
Thu 6/66:30 amSOF - ORD
2 stops23h 32mUnited Airlines
Fri 7/57:45 amORD - SOF
2 stops19h 35mUnited Airlines
Deal found 5/19$647
Thu 6/612:55 pmSOF - ORD
1 stop13h 20mUnited Airlines
Fri 7/57:45 amORD - SOF
2 stops19h 35mUnited Airlines
Deal found 5/19$651
Fri 9/276:30 amSOF - ORD
2 stops20h 07mUnited Airlines
Wed 10/163:50 pmORD - SOF
2 stops23h 10mUnited Airlines
Deal found 5/19$653
Tue 6/256:00 amSOF - ORD
2 stops25h 20mUnited Airlines
Wed 11/276:00 pmORD - SOF
1 stop20h 45mUnited Airlines
Deal found 5/19$654
Fri 9/276:30 amSOF - ORD
2 stops20h 07mUnited Airlines
Wed 10/166:05 pmORD - SOF
1 stop16h 40mUnited Airlines
Deal found 5/19$655
Wed 11/276:05 pmSOF - ORD
1 stop27h 50mAmerican Airlines
Sun 12/16:35 pmORD - SOF
1 stop14h 00mAmerican Airlines
Deal found 5/18$658
Tue 6/252:05 pmSOF - ORD
1 stop29h 00mMultiple Airlines
Wed 11/277:05 pmORD - SOF
1 stop12h 10mMultiple Airlines
Deal found 5/19$661

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 2,663,308 searches. Data last updated May 20, 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.
Thu 5/236:00 pmSOF - ORD
1 stop27h 10mITA Airways
Wed 7/103:00 pmORD - SOF
1 stop18h 10mITA Airways
Deal found 5/19$645
Thu 5/236:30 amSOF - ORD
1 stop21h 25mUnited Airlines
Wed 7/101:00 pmORD - SOF
2 stops21h 45mUnited Airlines
Deal found 5/19$776
Thu 5/239:20 pmSOF - ORD
1 stop28h 00mAmerican Airlines
Fri 6/217:13 pmORD - SOF
2 stops40h 52mAmerican Airlines
Deal found 5/19$787
Thu 5/239:20 pmSOF - ORD
2 stops32h 09mAmerican Airlines
Fri 6/216:25 pmORD - SOF
2 stops41h 40mAmerican Airlines
Deal found 5/19$796
Thu 5/236:30 amSOF - ORD
2 stops19h 45mUnited Airlines
Wed 7/101:00 pmORD - SOF
2 stops21h 45mUnited Airlines
Deal found 5/19$803
Thu 5/2310:55 amSOF - ORD
1 stop13h 10mMultiple Airlines
Fri 6/214:00 pmORD - SOF
1 stop22h 35mMultiple Airlines
Deal found 5/19$816
Thu 5/3012:25 pmSOF - ORD
1 stop32h 55mAustrian Airlines
Fri 6/284:20 pmORD - SOF
1 stop23h 35mAustrian Airlines
Deal found 5/19$822
Thu 5/306:00 amSOF - ORD
1 stop14h 15mMultiple Airlines
Fri 6/284:20 pmORD - SOF
1 stop23h 35mMultiple Airlines
Deal found 5/19$823
Thu 5/306:40 pmSOF - ORD
1 stop33h 00mLOT
Fri 6/285:10 pmORD - SOF
2 stops36h 45mLOT
Deal found 5/19$825

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 2,663,308 searches. Data last updated May 20, 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.
Sat 6/111:45 amSOF - ORD
2 stops30h 29mMultiple Airlines
Deal found 5/20$401
Sat 6/14:05 pmSOF - ORD
1 stop12h 55mAir Serbia
Deal found 5/20$550
Sat 7/65:00 amSOF - ORD
3 stops24h 15mMultiple Airlines
Deal found 5/20$567
Sat 6/16:30 amSOF - ORD
3 stops34h 25mMultiple Airlines
Deal found 5/20$590
Sat 7/65:00 amSOF - MDW
3 stops38h 17mMultiple Airlines
Deal found 5/20$601
Sat 7/69:20 amSOF - ORD
1 stop32h 20mTurkish Airlines
Deal found 5/20$608
Sat 7/68:00 amSOF - ORD
2 stops32h 57mUnited Airlines
Deal found 5/20$701

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 2,663,308 searches. Data last updated May 20, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$634 - $836

Route

Depart

Return

Price

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Tue 6/25

2 stops27h 56m

Chicago O'Hare Intl

Wed 11/27

2 stops18h 00m

$634

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Thu 6/6

1 stop21h 25m

Chicago O'Hare Intl

Fri 7/5

1 stop18h 15m

$636

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Wed 6/5

1 stop28h 30m

Chicago O'Hare Intl

Wed 7/3

1 stop12h 45m

$646

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Thu 6/6

2 stops23h 32m

Chicago O'Hare Intl

Fri 7/5

2 stops19h 35m

$647

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Tue 6/25

1 stop29h 00m

Chicago O'Hare Intl

Wed 11/27

1 stop12h 10m

$661

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Thu 7/18

1 stop27h 10m

Chicago O'Hare Intl

Thu 8/1

1 stop18h 10m

$668

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Fri 7/12

1 stop20h 30m

Chicago O'Hare Intl

Fri 7/26

1 stop28h 00m

$698

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Wed 8/7

2 stops26h 30m

Chicago O'Hare Intl

Wed 8/28

2 stops18h 21m

$807

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Thu 6/27

2 stops23h 55m

Chicago O'Hare Intl

Thu 8/8

2 stops17h 05m

$836

Flights are sorted by cheapest first

Deals found on 5/19

When is the best time to 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 10, 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

When is the cheapest time 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 May 12, 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.
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Average price of flights to Chicago by month

Plan your trip from Sofia to Chicago by taking into account the cheapest months to travel. The average price of a one-way flight from Sofia to Chicago is currently $574 while a round-trip flight costs $693. Price data was last updated on May 12, 2024.

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 June is currently the most expensive (average of $342). 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

$248

February

$244

March

$280

April

$258

May

$278

June

$342

July

$327

August

$274

September

$258

October

$248

November

$270

December

$248

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

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 May 20, 2024.
Read through reviews of airlines operating flights from Sofia to Chicago, such as Air Canada, British Airways and LOT. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.7
Good
1,046 reviews
Check prices

Overall

7.7

Comfort

7.4

Food

6.9

Boarding

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 10

FLight duration is OK, the plane is fine, the food is bad

Austrian Airlines
7.7
Good
1,046 reviews
Austrian Airlines
7.7
Good
1,046 reviews
Check prices

Overall

7.7

Comfort

7.4

Food

6.9

Boarding

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 10

FLight duration is OK, the plane is fine, the food is bad

Turkish Airlines
7.4
Good
3,716 reviews
Austrian Airlines
7.7
Good
1,046 reviews
Check prices

Overall

7.7

Comfort

7.4

Food

6.9

Boarding

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 10

FLight duration is OK, the plane is fine, the food is bad

United Airlines
7.4
Good
10,894 reviews
Austrian Airlines
7.7
Good
1,046 reviews
Check prices

Overall

7.7

Comfort

7.4

Food

6.9

Boarding

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 10

FLight duration is OK, the plane is fine, the food is bad

Ethiopian Air
7.4
Good
791 reviews
Austrian Airlines
7.7
Good
1,046 reviews
Check prices

Overall

7.7

Comfort

7.4

Food

6.9

Boarding

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 10

FLight duration is OK, the plane is fine, the food is bad

LOT
7.3
Good
1,631 reviews
Austrian Airlines
7.7
Good
1,046 reviews
Check prices

Overall

7.7

Comfort

7.4

Food

6.9

Boarding

7.6

Entertainment

6.9

Crew

8.2

Reviews

1 / 10

FLight duration is OK, the plane is fine, the food is bad

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 Air Canada for just $634, but on average you can expect to pay $676.

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

    There are currently 16+ open flights from Sofia to Chicago within the next 7 days for less than $700.

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

    Currently priced at $634, Air Canada will fly you from Sofia to Chicago and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and LOT - these airlines can fly you to your destination from $636 and $646, respectively. Air Canada is priced at 7% 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 $550 on Air Serbia. Other airlines that offer cheap prices include Turkish Airlines from $608 and United Airlines from $701 one-way.

  • 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 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 5/19.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 2,663,308 searches. Data last updated May 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$531Average$677FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest$537Average$643FlexibilityNo cancel feeOn-time81%
Search LOT flights
KLMCheapest$552Average$605FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest$601Average$769FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Austrian AirlinesCheapest$610Average$810FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
United AirlinesCheapest$633Average$779FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
SWISSCheapest$638Average$691FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest$653Average$716FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
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Search flights from Sofia to Chicago by cabin class

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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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 Sofia to Chicago?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sofia to Chicago. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Sofia to Chicago for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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

Yes! Start tracking prices for Sofia to Chicago flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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