$398+ Cheap flights from Sofia (SOF) to O'Hare Intl (ORD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — ORD
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Sofia to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sofia to O'Hare Intl
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Last-minute
One-way
Cheapest flights from Sofia to O'Hare IntlExplore the most affordable flight options available from Sofia to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Sofia to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:55 am -
2 stops36h 35m
Sun 5/99:40 pm -
1 stop17h 25m
Deal found 10/21![Multiple Airlines logo]()
$811
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:25 pm -
2 stops30h 05m
Sun 2/74:20 pm -
1 stop13h 05m
Deal found 10/25![Multiple Airlines logo]()
$813
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:25 pm -
2 stops30h 05m
Mon 4/129:40 pm -
1 stop13h 05m
Deal found 10/21![Multiple Airlines logo]()
$818
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:10 pm -
2 stops25h 20m
Thu 4/227:05 pm -
1 stop12h 00m
Deal found 10/21![Multiple Airlines logo]()
$822
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:10 pm -
2 stops25h 20m
Fri 5/73:35 pm -
1 stop12h 45m
Deal found 10/21![Multiple Airlines logo]()
$823
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:00 pm -
2 stops24h 30m
Mon 4/262:20 pm -
1 stop14h 20m
Deal found 10/21![Multiple Airlines logo]()
$824
This LOT deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:40 pm -
1 stop33h 15m
Fri 2/269:50 pm -
1 stop12h 05m
Deal found 10/25![LOT logo]()
$826
This FlightHub deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:35 pm -
1 stop13h 20m
Mon 3/19:50 pm -
1 stop32h 00m
Deal found 10/25![LOT logo]()
$827
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:20 pm -
2 stops49h 10m
Sun 5/93:35 pm -
1 stop12h 45m
Deal found 10/21![Multiple Airlines logo]()
$829
This Gotogate deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:15 pm -
1 stop32h 00m
Wed 11/186:50 pm -
1 stop12h 35m
Deal found 10/24![SWISS logo]()
$830
This Gotogate deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:25 am -
1 stop14h 45m
Sun 11/229:50 pm -
1 stop17h 05m
Deal found 10/23![Lufthansa logo]()
$831
This Gotogate deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:25 am -
1 stop14h 45m
Thu 11/269:50 pm -
1 stop17h 05m
Deal found 10/23![Lufthansa logo]()
$832
Best flights from Sofia to O'Hare IntlDiscover carefully curated flight deals from Sofia to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Sofia to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This British Airways deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:25 pm -
1 stop25h 20m
Thu 11/2611:26 am -
2 stops23h 54m
Deal found 10/21![British Airways logo]()
$857
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:25 am -
1 stop14h 45m
Thu 2/119:50 pm -
1 stop17h 05m
Deal found 10/25![United Airlines logo]()
$871
This British Airways deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:45 pm -
2 stops29h 11m
Fri 5/75:39 pm -
2 stops42h 31m
Deal found 10/21![British Airways logo]()
$864
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:10 pm -
1 stop13h 55m
Thu 3/46:05 pm -
1 stop20h 55m
Deal found 10/25![United Airlines logo]()
$873
This British Airways deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:45 pm -
1 stop26h 00m
Fri 4/304:16 pm -
2 stops43h 54m
Deal found 10/21![British Airways logo]()
$865
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:10 pm -
1 stop13h 55m
Sun 11/226:00 pm -
1 stop11h 15m
Deal found 10/24![United Airlines logo]()
$873
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:25 am -
1 stop16h 55m
Sat 12/57:00 am -
2 stops22h 25m
Deal found 10/22![United Airlines logo]()
$874
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:25 am -
2 stops25h 36m
Thu 5/63:35 pm -
1 stop19h 05m
Deal found 10/21![United Airlines logo]()
$879
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:10 pm -
2 stops17h 51m
Mon 4/269:40 pm -
1 stop13h 00m
Deal found 10/21![United Airlines logo]()
$879
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:25 am -
2 stops20h 40m
Fri 12/44:20 pm -
1 stop11h 30m
Deal found 10/23![United Airlines logo]()
$882
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:55 am -
1 stop14h 05m
Mon 4/263:35 pm -
1 stop12h 35m
Deal found 10/21![United Airlines logo]()
$883
Last-minute flights from Sofia to O'Hare IntlDiscover last-minute flight deals from Sofia to O'Hare Intl. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Sofia to O'Hare Intl. Data last updated October 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:25 pm -
2 stops30h 05m
Mon 4/129:40 pm -
1 stop13h 05m
Deal found 10/21![Multiple Airlines logo]()
$818
This Gotogate deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:15 pm -
1 stop32h 00m
Wed 11/186:50 pm -
1 stop12h 35m
Deal found 10/24![SWISS logo]()
$830
This Gotogate deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:25 am -
1 stop14h 45m
Sun 11/229:50 pm -
1 stop17h 05m
Deal found 10/23![Lufthansa logo]()
$831
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:55 am -
2 stops36h 35m
Sun 5/99:40 pm -
1 stop17h 25m
Deal found 10/21![Multiple Airlines logo]()
$811
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:20 pm -
2 stops49h 10m
Sun 5/93:35 pm -
1 stop12h 45m
Deal found 10/21![Multiple Airlines logo]()
$829
This Gotogate deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:25 am -
1 stop14h 45m
Thu 11/269:50 pm -
1 stop17h 05m
Deal found 10/23![Lufthansa logo]()
$832
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:25 pm -
2 stops30h 05m
Thu 4/293:35 pm -
1 stop12h 45m
Deal found 10/21![Multiple Airlines logo]()
$834
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:00 pm -
2 stops24h 30m
Mon 4/262:20 pm -
1 stop14h 20m
Deal found 10/21![Multiple Airlines logo]()
$824
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:10 pm -
2 stops25h 20m
Thu 4/227:05 pm -
1 stop12h 00m
Deal found 10/21![Multiple Airlines logo]()
$822
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:10 pm -
2 stops25h 20m
Fri 4/233:35 pm -
1 stop12h 45m
Deal found 10/21![Multiple Airlines logo]()
$823
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:25 pm -
2 stops30h 05m
Thu 4/227:05 pm -
1 stop12h 00m
Deal found 10/21![Multiple Airlines logo]()
$826
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:25 pm -
2 stops30h 05m
Fri 4/233:35 pm -
1 stop12h 45m
Deal found 10/21![Multiple Airlines logo]()
$827
One-way flights from Sofia to O'Hare IntlSearch for one-way flight options from Sofia to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Sofia to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:00 pm -
2 stops50h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:40 pm -
3 stops57h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:50 pm -
3 stops48h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:15 am -
3 stops39h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:40 pm -
3 stops50h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$431
Find flight deals from Sofia to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to O'Hare Intl (ORD). 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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $811 (Kiwi.com) |
One-way from | $398 (Kiwi.com) |
Popular in | August |
Cheapest in | December |
Average price | $884 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sofia to O'Hare Intl 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 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from Sofia to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Mon 11/9
9:00 pm-3:30 pm
2 stops50h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$402
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Mon 11/16
11:20 pm-3:30 pm
3 stops48h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$416
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Mon 11/2
8:40 pm-3:30 pm
3 stops50h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$431
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sat 11/7
9:55 pm-5:20 pm
3 stops51h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$458
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sun 11/8
10:30 am-5:20 pm
2 stops38h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$578
Quickest round-trip
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Fri 11/13
5:00 am-2:45 pm
1 stop17h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$591
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Thu 11/12
4:00 pm-2:45 pm
1 stop30h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$615
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Fri 11/13
8:25 pm-1:45 pm
1 stop25h 20m
Chicago O'Hare Intl
Thu 11/26
11:26 am-7:20 pm
2 stops23h 54m
$857
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sun 11/22
7:45 pm-4:56 pm
2 stops29h 11m
Chicago O'Hare Intl
Fri 5/7
5:39 pm-8:10 pm
2 stops42h 31m
$864
SofiaChicago
SOF Sofia - ORD Chicago O'Hare Intl
SOFORD
Sofia
Sun 11/15
7:45 pm-1:45 pm
1 stop26h 00m
Chicago O'Hare Intl
Fri 4/30
4:16 pm-8:10 pm
2 stops43h 54m
$865
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Sofia to O'Hare Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sofia to O'Hare Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sofia-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sofia-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sofia-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sofia-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sofia-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Sofia to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Sofia with our price prediction graph.
SOF-ORD
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.
Cheapflights Insights
Everything you need to know about your flight from Sofia to Chicago O'Hare Intl Airport
Prices
More
How far ahead should I book a flight from Sofia to Chicago O'Hare Intl Airport?
To ensure you get the cheapest price possible for a flight from Sofia to Chicago O'Hare Intl Airport, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Sofia to Chicago O'Hare Intl Airport?
Currently, December is the cheapest month in which you can book a flight from Sofia to Chicago O'Hare Intl Airport (average of $741). Flying from Sofia to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $958). 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.
How much does it cost to fly round-trip from Sofia to Chicago O'Hare Intl Airport?
Airfare is typical for this route at the moment.
Sofia to Chicago O'Hare Intl Airport flights typically cost between $782 and $1,012 in November.The cheapest round-trip price found within the last 5 days was $811 on Multiple Airlines (Nov 12-May 9).
What’s the top layover airport for flights from Sofia to Chicago O'Hare Intl Airport?
Share of 1-stop round-trip flights from Sofia to Chicago O'Hare Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Istanbul (IST) – chosen by Cheapflights users on 33% of 1-stop itineraries from Sofia to Chicago O'Hare Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Sofia to Chicago O'Hare Intl Airport?
Average round-trip fare for 1-stop flights from Sofia to Chicago O'Hare Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Warsaw (WAW) is the most affordable 1-stop option, with an average round-trip price of $731.
What’s the fastest layover option from Sofia to Chicago O'Hare Intl Airport?
Shortest average travel time for 1-stop one-way flights from Sofia to Chicago O'Hare Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Warsaw (WAW) have the shortest average one-way travel time for 1-stop routes: 13h 17m.
Which airport typically offers the quickest layover for flights from Sofia to Chicago O'Hare Intl Airport?
Average layover duration for 1-stop one-way flights from Sofia to Chicago O'Hare Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Warsaw (WAW) offer the fastest connection on this route, with an average layover time of 1h 07m.
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated October 26, 2026.
See what other customers who have flown with KLM,LOT, andTurkish Airlines from Sofia to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.7
Overall
7.8
Entertainment
7.2
Boarding
7.8
Food
7.4
Crew
8.4
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Overall
7.8
Entertainment
7.2
Boarding
7.8
Food
7.4
Crew
8.4
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Overall
7.8
Entertainment
7.2
Boarding
7.8
Food
7.4
Crew
8.4
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Overall
7.8
Entertainment
7.2
Boarding
7.8
Food
7.4
Crew
8.4
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Overall
7.8
Entertainment
7.2
Boarding
7.8
Food
7.4
Crew
8.4
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Comfort
7.7
Overall
7.8
Entertainment
7.2
Boarding
7.8
Food
7.4
Crew
8.4
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Related info for your journey
Find useful and relevant information for your journey from Sofia to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Naperville
Lake Geneva
Des Plaines
Glenview
Schaumburg
Oak Brook
Aurora
Oakbrook Terrace
Delavan
Beloit
Libertyville
Rockford
Hoffman Estates
Gurnee
Orland Park
South Holland
Elgin
Racine
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Top 6 airlines flying from Sofia to O'Hare Intl
Discover the top 6 airlines that operate flights from Sofia to O'Hare Intl. 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 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$640 | Average$788 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$650 | Average$769 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$685 | Average$805 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$736 | Average$883 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$747 | Average$884 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$845 | Average$1,019 | FlexibilityNo cancel fee | On-time78% |