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Cheap flights from Sofia (SOF) to Illinois from $536

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 9/11. 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.
SOF — ORD
May 23 — May 301
From?
To?
Thu 5/23
Thu 5/30
1 adult, Economy
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How far in advance should I book a flight from Sofia to Illinois?

To save on the cost of your flight from Sofia to Illinois, book at least 40 days before your planned departure. Booking around this time can save you about 9% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $586 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $773.

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

Our data shows that February tends to be the cheapest month to fly to Illinois from Sofia. Users have commonly found prices around $683 for the month, but tickets can be as low as $539. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from Sofia to Illinois (SOF - IL)?

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

Cheap Lufthansa flights from Sofia to Illinois

Explore cheap flight options specifically provided by Lufthansa for the route between Sofia and Illinois. 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 2,650,061 searches. Data last updated May 18, 2024.
Find some of the cheapest Lufthansa flights traveling from Sofia to Illinois. Come back soon if you're not finding the exact deal you're looking for.
Mon 9/2312:00 pmSOF - ORD
1 stop31h 00mLufthansa
Sat 10/267:00 pmORD - SOF
1 stop20h 45mLufthansa
Deal found 5/17$635
Sat 6/292:05 pmSOF - ORD
1 stop29h 00mLufthansa
Sun 7/219:25 pmORD - SOF
1 stop13h 20mLufthansa
Deal found 5/18$795
Wed 6/52:05 pmSOF - ORD
2 stops29h 20mLufthansa
Wed 7/39:30 pmORD - SOF
2 stops17h 05mLufthansa
Deal found 5/18$813
Wed 10/237:30 pmSOF - ORD
2 stops25h 40mLufthansa
Wed 4/234:00 pmORD - SOF
2 stops18h 45mLufthansa
Deal found 5/17$6,373

Cheap Air Canada flights from Sofia to Illinois

Explore cheap flight options specifically provided by Air Canada for the route between Sofia and Illinois. 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 2,650,061 searches. Data last updated May 18, 2024.
To aid your search, here are some of the cheapest Air Canada flights we've found from Sofia to Illinois. Ensure the flight price, dates, time, and airline match your criteria before you book.
Mon 9/2312:00 pmSOF - ORD
2 stops27h 56mAir Canada
Sat 10/2610:55 amORD - SOF
2 stops19h 05mAir Canada
Deal found 5/17$640
Thu 6/202:05 pmSOF - ORD
2 stops27h 56mAir Canada
Fri 7/51:00 pmORD - SOF
2 stops21h 45mAir Canada
Deal found 5/17$721
Thu 6/66:30 amSOF - ORD
2 stops21h 46mAir Canada
Wed 7/33:35 pmORD - SOF
2 stops19h 10mAir Canada
Deal found 5/18$776
Tue 8/66:00 amSOF - ORD
2 stops24h 02mAir Canada
Fri 8/3011:00 amORD - SOF
2 stops16h 20mAir Canada
Deal found 5/16$989
Wed 10/236:30 amSOF - ORD
2 stops21h 40mAir Canada
Wed 4/237:20 amORD - SOF
2 stops22h 00mAir Canada
Deal found 5/17$1,340

Cheap Sofia to Illinois flights in May & June 2024

Find cheap flight options from Sofia to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,650,061 searches. Prices were last updated on May 18, 2024.
These are some of the best deals we've found on flights to Illinois in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Thu 6/206:00 pmSOF - ORD
1 stop27h 10mITA Airways
Fri 7/53:00 pmORD - SOF
1 stop18h 10mITA Airways
Deal found 5/17$631
Thu 6/66:45 pmSOF - ORD
1 stop26h 35mMultiple Airlines
Fri 7/59:25 pmORD - SOF
1 stop13h 20mMultiple Airlines
Deal found 5/18$675
Thu 6/69:20 pmSOF - ORD
2 stops26h 45mBritish Airways
Fri 7/57:10 pmORD - SOF
1 stop15h 50mBritish Airways
Deal found 5/18$685
Thu 6/202:05 pmSOF - ORD
2 stops27h 56mMultiple Airlines
Fri 7/59:25 pmORD - SOF
1 stop13h 20mMultiple Airlines
Deal found 5/17$694
Thu 6/610:55 amSOF - ORD
1 stop13h 00mMultiple Airlines
Wed 7/39:25 pmORD - SOF
1 stop13h 20mMultiple Airlines
Deal found 5/18$709
Wed 6/58:00 amSOF - ORD
1 stop13h 20mMultiple Airlines
Wed 7/39:25 pmORD - SOF
1 stop13h 20mMultiple Airlines
Deal found 5/18$711
Thu 6/202:05 pmSOF - ORD
2 stops27h 56mAir Canada
Fri 7/51:00 pmORD - SOF
2 stops21h 45mAir Canada
Deal found 5/17$721
Sat 6/296:40 pmSOF - ORD
2 stops52h 30mLOT
Sun 7/215:10 pmORD - SOF
2 stops36h 45mLOT
Deal found 5/18$744
Wed 6/56:00 amSOF - ORD
2 stops33h 57mUnited Airlines
Wed 7/36:35 pmORD - SOF
1 stop20h 00mUnited Airlines
Deal found 5/18$750

Sofia to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Sofia and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 18, 2024.
These are some of the best deals we've found on flights to Illinois in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Thu 6/206:00 pmSOF - ORD
1 stop27h 10mITA Airways
Fri 7/53:00 pmORD - SOF
1 stop18h 10mITA Airways
Deal found 5/17$631
Mon 9/2312:00 pmSOF - ORD
1 stop31h 00mLufthansa
Sat 10/267:00 pmORD - SOF
1 stop20h 45mLufthansa
Deal found 5/17$635
Mon 9/2312:00 pmSOF - ORD
2 stops27h 56mAir Canada
Sat 10/2610:55 amORD - SOF
2 stops19h 05mAir Canada
Deal found 5/17$640
Sat 12/216:30 pmSOF - ORD
1 stop33h 30mLOT
Wed 3/59:55 pmORD - SOF
1 stop31h 55mLOT
Deal found 5/17$648
Wed 11/276:05 pmSOF - ORD
1 stop30h 00mAmerican Airlines
Sun 12/19:00 amORD - SOF
1 stop23h 35mAmerican Airlines
Deal found 5/16$654
Mon 9/232:05 pmSOF - ORD
2 stops25h 43mUnited Airlines
Sat 10/267:00 pmORD - SOF
1 stop20h 45mUnited Airlines
Deal found 5/17$655
Wed 11/276:05 pmSOF - ORD
1 stop26h 45mAmerican Airlines
Sun 12/19:00 amORD - SOF
1 stop23h 35mAmerican Airlines
Deal found 5/17$656
Thu 6/66:45 pmSOF - ORD
1 stop26h 35mMultiple Airlines
Fri 7/59:25 pmORD - SOF
1 stop13h 20mMultiple Airlines
Deal found 5/18$675
Thu 9/56:40 pmSOF - ORD
2 stops28h 30mLOT
Thu 12/59:55 pmORD - SOF
1 stop31h 55mLOT
Deal found 5/17$682

Sofia to Illinois flights leaving soon

Find last-minute flight options from Sofia to Illinois 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 2,650,061 searches. Data last updated May 18, 2024.
Check out these flights departing soon from Sofia to Illinois. To prevent any unwanted surprises, users should verify their flight info before booking.
Thu 5/2310:55 amSOF - ORD
1 stop13h 10mMultiple Airlines
Fri 6/214:20 pmORD - SOF
1 stop15h 00mMultiple Airlines
Deal found 5/17$772
Thu 5/239:20 pmSOF - ORD
1 stop28h 00mMultiple Airlines
Fri 6/216:25 pmORD - SOF
2 stops41h 40mMultiple Airlines
Deal found 5/17$781
Thu 5/239:20 pmSOF - ORD
2 stops26h 26mAmerican Airlines
Fri 6/217:13 pmORD - SOF
2 stops40h 52mAmerican Airlines
Deal found 5/17$794
Thu 5/236:40 amSOF - ORD
3 stops43h 35mMultiple Airlines
Fri 6/217:15 pmORD - SOF
3 stops34h 40mMultiple Airlines
Deal found 5/17$1,457
Thu 5/235:00 pmSOF - ORD
2 stops31h 00mMultiple Airlines
Fri 6/2110:55 amORD - SOF
3 stops20h 25mMultiple Airlines
Deal found 5/17$1,482

One-way flights to Illinois from Sofia

Search for one-way flight options from Sofia to Illinois. 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 2,650,061 searches. Data last updated May 18, 2024.
Take a look at some of the best available options we've come across on one-way flights from Sofia to Illinois. Those seeking round-trip flights from Sofia to Illinois should utilize the search form at the the top of the page.
Wed 9/115:00 amSOF - ORD
1 stop14h 05mAir Serbia
Deal found 5/17$536
Thu 9/123:05 pmSOF - ORD
2 stops35h 10mairBaltic
Deal found 5/17$552
Wed 9/115:00 amSOF - ORD
3 stops21h 20mMultiple Airlines
Deal found 5/17$572
Thu 9/121:35 pmSOF - ORD
1 stop33h 50mQatar Airways
Deal found 5/17$615
Thu 9/125:00 amSOF - ORD
3 stops24h 15mMultiple Airlines
Deal found 5/17$641
Mon 8/199:20 amSOF - ORD
1 stop16h 25mTurkish Airlines
Deal found 5/17$675
Wed 9/116:30 amSOF - ORD
2 stops21h 40mUnited Airlines
Deal found 5/17$679
Mon 8/198:00 pmSOF - ORD
2 stops29h 36mBritish Airways
Deal found 5/17$700

Find flights from Sofia to Illinois within your budget

Customize your flight search to find flights from Sofia to Illinois 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 2,650,061 searches. Data last updated May 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$631 - $978

Route

Depart

Return

Price

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Thu 6/20

1 stop27h 10m

Chicago O'Hare Intl

Fri 7/5

1 stop18h 10m

$631

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Mon 9/23

1 stop31h 00m

Chicago O'Hare Intl

Sat 10/26

1 stop20h 45m

$635

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Mon 9/23

2 stops27h 56m

Chicago O'Hare Intl

Sat 10/26

2 stops19h 05m

$640

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Mon 9/23

2 stops25h 43m

Chicago O'Hare Intl

Sat 10/26

1 stop20h 45m

$655

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Thu 6/6

1 stop26h 35m

Chicago O'Hare Intl

Fri 7/5

1 stop13h 20m

$675

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Thu 9/5

2 stops28h 30m

Chicago O'Hare Intl

Thu 12/5

1 stop31h 55m

$682

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Thu 6/6

2 stops26h 45m

Chicago O'Hare Intl

Fri 7/5

1 stop15h 50m

$685

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Tue 8/6

1 stop20h 30m

Chicago O'Hare Intl

Tue 8/27

1 stop19h 30m

$727

SofiaChicago O'Hare Intl

SOF - ORD

SOFORD

Sofia

Tue 8/6

1 stop13h 20m

Chicago O'Hare Intl

Wed 8/28

2 stops21h 40m

$978

Flights are sorted by cheapest first

Deals found on 5/17

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

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated May 18, 2024.
To help decide which airline to fly from Sofia to Illinois, see what other customers have to say about Lufthansa, Air Canada and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.8
Good
1,988 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

Paying for coffee on a Swiss flight of approx 3hrs. I would’ve expected, that Ryan Air charges….or maybe a charter flight. But 4CHF for a cup of coffee is just another reason, that Swiss (and subsequently LH Group) has lost touch with frequent travellers by a landslide.

SWISS
7.8
Good
1,988 reviews
SWISS
7.8
Good
1,988 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

Paying for coffee on a Swiss flight of approx 3hrs. I would’ve expected, that Ryan Air charges….or maybe a charter flight. But 4CHF for a cup of coffee is just another reason, that Swiss (and subsequently LH Group) has lost touch with frequent travellers by a landslide.

Qatar Airways
7.7
Good
4,386 reviews
SWISS
7.8
Good
1,988 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

Paying for coffee on a Swiss flight of approx 3hrs. I would’ve expected, that Ryan Air charges….or maybe a charter flight. But 4CHF for a cup of coffee is just another reason, that Swiss (and subsequently LH Group) has lost touch with frequent travellers by a landslide.

Austrian Airlines
7.7
Good
1,049 reviews
SWISS
7.8
Good
1,988 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

Paying for coffee on a Swiss flight of approx 3hrs. I would’ve expected, that Ryan Air charges….or maybe a charter flight. But 4CHF for a cup of coffee is just another reason, that Swiss (and subsequently LH Group) has lost touch with frequent travellers by a landslide.

airBaltic
7.6
Good
232 reviews
SWISS
7.8
Good
1,988 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

Paying for coffee on a Swiss flight of approx 3hrs. I would’ve expected, that Ryan Air charges….or maybe a charter flight. But 4CHF for a cup of coffee is just another reason, that Swiss (and subsequently LH Group) has lost touch with frequent travellers by a landslide.

Turkish Airlines
7.4
Good
3,709 reviews
SWISS
7.8
Good
1,988 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.6

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 10

Paying for coffee on a Swiss flight of approx 3hrs. I would’ve expected, that Ryan Air charges….or maybe a charter flight. But 4CHF for a cup of coffee is just another reason, that Swiss (and subsequently LH Group) has lost touch with frequent travellers by a landslide.

Related info for your journey

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

    Most people fly from Sofia (SOF) if they book a flight from Sofia to Illinois. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

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

    Yes, there are multiple flights from Sofia to Illinois for under $700. The cheapest flight booked recently is on ITA Airways for just $631, but on average you can expect to pay $707.

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

    There are currently 5+ open flights from Sofia to Illinois within the next 7 days for less than $800.

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

    The cheapest airline one-way is Air Serbia, with whom users have recently found tickets for as low as $536. However, be on the lookout for offers from airBaltic and Qatar Airways, as they are both options that can get you from Sofia to Illinois for a low price.

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

    Before booking your flight from Sofia to Illinois check out the most popular airlines for this route: British Airways, KLM or Lufthansa.

  • What does SOF to ORD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Sofia Airport to Chicago O'Hare Intl Airport flight would often be abbreviated as a SOF to ORD flight. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are some additional IATA codes for airports related to your trip.

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

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

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

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

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

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

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

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

    Many airlines flying from Sofia to Illinois 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 Illinois?

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

    The Sofia to Illinois flight deals you see on this page were last updated on 5/18.

See more FAQs

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

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Top 8 airlines flying from Sofia to Illinois

Discover the top 8 airlines that operate flights from Sofia to Illinois. 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 2,650,061 searches. Data last updated May 18, 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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Philadelphia to Hawaii flights
New Jersey to Florida flights
Washington, D.C. to London flights
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San Jose to Las Vegas flights
Sofia to Indiana flights

Search flights from Sofia to Illinois by cabin class

Find flights from Sofia to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
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Prem Econ 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 Illinois?

When you search for this flight from Sofia to Illinois, 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 Sofia to Illinois?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Sofia.

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

Certainly. Search results for flights to Illinois from Sofia 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 Sofia to Illinois become cheaper?

Yes! Start tracking prices for Sofia to Illinois 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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