How do I get Price Alerts for flights from Sofia to Wisconsin?

Price Alerts will notify you by email when the price for flights to Wisconsin from Sofia decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Sofia to Wisconsin with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Sofia Airport to Wisconsin?

Prices for flights from Sofia Airport to Wisconsin are updated daily.

How many operators does momondo search for flights from Sofia Airport to Wisconsin?

As of September 2026, there are 6 operators available to choose from for flights from Sofia Airport to Wisconsin.

How old do you have to be to fly from Sofia Airport to Wisconsin?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Wisconsin.

What documentation or ID do you need to fly to Wisconsin?

The necessary travel and health documents for your Wisconsin trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$438 Cheap Flights from Sofia to Wisconsin in 2026

Find the cheapest flights from Sofia to Wisconsin

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 pm - 7:50 pmSOF Sofia-ORD Chicago O'Hare Intl

33h 05m1 stop Warsaw Frederic Chopin

10:50 pm - 1:50 pmORD Chicago O'Hare Intl-SOF Sofia

32h 00m1 stop Warsaw Frederic Chopin

$822LOT

Tue, Oct 6 - Tue, Oct 27

6:45 pm - 7:50 pmSOF Sofia-ORD Chicago O'Hare Intl

33h 05m1 stop Warsaw Frederic Chopin

10:50 pm - 5:55 pmORD Chicago O'Hare Intl-SOF Sofia

12h 05m1 stop Warsaw Frederic Chopin

$822LOT

Mon, Oct 5 - Tue, Oct 27

10:10 pm - 4:30 pmSOF Sofia-ORD Chicago O'Hare Intl

25h 20m2 stops Barcelona-El Prat Lisbon Humberto Delgado

3:55 pm - 1:55 pmORD Chicago O'Hare Intl-SOF Sofia

14h 00m1 stop Dublin

$822Multiple Airlines

Sat, Oct 31 - Tue, Nov 10

5:00 am - 7:55 pmSOF Sofia-ORD Chicago O'Hare Intl

22h 55m3 stops Belgrade Nikola Tesla Berlin Brandenburg Frankfurt am Main

5:20 pm - 1:05 amORD Chicago O'Hare Intl-SOF Sofia

24h 45m2 stops Frankfurt am Main Berlin Brandenburg

$826Multiple Airlines

Thu, Oct 15 - Thu, Oct 29

3:50 pm - 9:40 amSOF Sofia-ORD Chicago O'Hare Intl

25h 50m1 stop Istanbul

9:15 pm - 11:05 amORD Chicago O'Hare Intl-SOF Sofia

30h 50m1 stop Istanbul

$835Turkish Airlines

Tue, Oct 6 - Fri, Oct 30

3:50 pm - 9:40 amSOF Sofia-ORD Chicago O'Hare Intl

25h 50m1 stop Istanbul

12:45 pm - 11:05 amORD Chicago O'Hare Intl-SOF Sofia

15h 20m1 stop Istanbul

$835Turkish Airlines

Tue, Oct 6 - Sat, Oct 31

6:20 am - 12:55 pmSOF Sofia-ORD Chicago O'Hare Intl

14h 35m1 stop Frankfurt am Main

3:35 pm - 12:10 pmORD Chicago O'Hare Intl-SOF Sofia

12h 35m1 stop Munich Franz Josef Strauss

$842Lufthansa

Sat, Sep 19 - Mon, Oct 5

8:00 am - 1:20 pmSOF Sofia-ORD Chicago O'Hare Intl

13h 20m1 stop Vienna Intl

4:20 pm - 11:50 amORD Chicago O'Hare Intl-SOF Sofia

11h 30m1 stop Vienna Intl

$844Austrian Airlines

Thu, Oct 1 - Mon, Nov 16

6:30 am - 7:55 pmSOF Sofia-ORD Chicago O'Hare Intl

21h 25m1 stop Frankfurt am Main

9:50 pm - 10:55 pmORD Chicago O'Hare Intl-SOF Sofia

17h 05m1 stop Munich Franz Josef Strauss

$845Lufthansa

Thu, Sep 24 - Tue, Nov 24

4:05 pm - 1:20 pmSOF Sofia-ORD Chicago O'Hare Intl

29h 15m1 stop Vienna Intl

12:55 pm - 3:20 pmORD Chicago O'Hare Intl-SOF Sofia

18h 25m2 stops Washington, D.C. Dulles Intl Vienna Intl

$862Austrian Airlines

Thu, Sep 17 - Thu, Sep 24

Cheap last minute flights

Enter your travel dates to find the best prices.

6:20 am - 5:00 pmSOF Sofia-ORD Chicago O'Hare Intl

18h 40m2 stops Frankfurt am Main Detroit Metropolitan Wayne County

9:40 pm - 11:00 pmORD Chicago O'Hare Intl-SOF Sofia

17h 20m1 stop Munich Franz Josef Strauss

$1,012United Airlines

Fri, Sep 4 - Fri, May 7

12:55 pm - 6:15 pmSOF Sofia-ORD Chicago O'Hare Intl

13h 20m1 stop Munich Franz Josef Strauss

3:35 pm - 12:10 pmORD Chicago O'Hare Intl-SOF Sofia

12h 35m1 stop Munich Franz Josef Strauss

$1,014United Airlines

Fri, Sep 4 - Fri, May 7

6:20 am - 5:00 pmSOF Sofia-ORD Chicago O'Hare Intl

18h 40m2 stops Frankfurt am Main Detroit Metropolitan Wayne County

1:12 pm - 12:10 pmORD Chicago O'Hare Intl-SOF Sofia

14h 58m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

$1,016United Airlines

Fri, Sep 4 - Fri, May 7

2:35 pm - 7:50 pmSOF Sofia-ORD Chicago O'Hare Intl

13h 15m1 stop Warsaw Frederic Chopin

9:50 pm - 5:55 pmORD Chicago O'Hare Intl-SOF Sofia

12h 05m1 stop Warsaw Frederic Chopin

$3,084LOT

Sat, Sep 5 - Tue, Dec 15

2:35 pm - 7:50 pmSOF Sofia-ORD Chicago O'Hare Intl

13h 15m1 stop Warsaw Frederic Chopin

9:50 pm - 5:55 pmORD Chicago O'Hare Intl-SOF Sofia

12h 05m1 stop Warsaw Frederic Chopin

$3,084LOT

Mon, Sep 7 - Thu, Dec 10

7:00 am - 6:15 pmSOF Sofia-ORD Chicago O'Hare Intl

19h 15m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

6:30 pm - 5:15 pmORD Chicago O'Hare Intl-SOF Sofia

14h 45m2 stops Reykjavik Keflavik Intl Frankfurt am Main

$3,085Multiple Airlines

Sat, Sep 5 - Tue, Dec 15

2:35 pm - 7:50 pmSOF Sofia-ORD Chicago O'Hare Intl

13h 15m1 stop Warsaw Frederic Chopin

9:50 pm - 5:55 pmORD Chicago O'Hare Intl-SOF Sofia

12h 05m1 stop Warsaw Frederic Chopin

$3,254LOT

Sun, Sep 6 - Thu, Dec 10

8:30 am - 11:42 pmSOF Sofia-ORD Chicago O'Hare Intl

23h 12m2 stops Madrid Barajas New York John F Kennedy Intl

9:50 pm - 8:10 pmORD Chicago O'Hare Intl-SOF Sofia

14h 20m1 stop London Heathrow

$3,470Multiple Airlines

Sat, Sep 5 - Tue, Dec 15

6:10 am - 1:45 pmSOF Sofia-ORD Chicago O'Hare Intl

15h 35m2 stops Munich Franz Josef Strauss Amsterdam Schiphol

6:30 pm - 6:20 pmORD Chicago O'Hare Intl-SOF Sofia

15h 50m2 stops Dublin Munich Franz Josef Strauss

$3,551Lufthansa

Sun, Sep 6 - Thu, Dec 10

6:20 am - 2:55 pmSOF Sofia-ORD Chicago O'Hare Intl

16h 35m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

1:12 pm - 1:25 pmORD Chicago O'Hare Intl-SOF Sofia

16h 13m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

$3,626Lufthansa

Sun, Sep 6 - Thu, Dec 10

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

SWISS flights from Sofia to Wisconsin

Our best SWISS deals on Sofia to Wisconsin flight tickets

SWISS

Sep 28

SOF3:40 pmSofia

28h 55m

1 stop

ORD12:35 pmChicago O'Hare Intl

Oct 5

ORD2:20 pmChicago O'Hare Intl

13h 55m

1 stop

SOF12:15 pmSofia

$853

SWISS

Sep 28

SOF3:40 pmSofia

28h 55m

1 stop

ORD12:35 pmChicago O'Hare Intl

Oct 21

ORD2:20 pmChicago O'Hare Intl

12h 00m

1 stop

SOF10:20 amSofia

$870

SWISS

Sep 8

SOF1:05 pmSofia

31h 30m

1 stop

ORD12:35 pmChicago O'Hare Intl

Oct 21

ORD2:20 pmChicago O'Hare Intl

12h 00m

1 stop

SOF10:20 amSofia

$896

LOT flights from Sofia to Wisconsin

Our best LOT deals on Sofia to Wisconsin flight tickets

LOT

Oct 5

SOF6:45 pmSofia

33h 05m

1 stop

ORD7:50 pmChicago O'Hare Intl

Oct 29

ORD10:50 pmChicago O'Hare Intl

32h 00m

1 stop

SOF1:50 pmSofia

$822

LOT

Oct 15

SOF2:35 pmSofia

32h 35m

2 stops

ORD3:10 pmChicago O'Hare Intl

Dec 23

ORD9:50 pmChicago O'Hare Intl

32h 00m

1 stop

SOF1:50 pmSofia

$823

LOT

Oct 16

SOF6:45 pmSofia

33h 05m

1 stop

ORD7:50 pmChicago O'Hare Intl

Nov 4

ORD9:50 pmChicago O'Hare Intl

32h 00m

1 stop

SOF1:50 pmSofia

$828

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Tue 10/6

6:45 pm-7:50 pm

1 stop33h 05m

Chicago O'Hare Intl

Tue 10/27

10:50 pm-1:50 pm

1 stop32h 00m

$822

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Mon 10/5

6:45 pm-7:50 pm

1 stop33h 05m

Chicago O'Hare Intl

Tue 10/27

10:50 pm-5:55 pm

1 stop12h 05m

$822

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Sat 10/31

10:10 pm-4:30 pm

2 stops25h 20m

Chicago O'Hare Intl

Tue 11/10

3:55 pm-1:55 pm

1 stop14h 00m

$822

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Thu 10/15

5:00 am-7:55 pm

3 stops22h 55m

Chicago O'Hare Intl

Thu 10/29

5:20 pm-1:05 am

2 stops24h 45m

$826

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Tue 10/6

3:50 pm-9:40 am

1 stop25h 50m

Chicago O'Hare Intl

Fri 10/30

9:15 pm-11:05 am

1 stop30h 50m

$835

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Tue 10/6

3:50 pm-9:40 am

1 stop25h 50m

Chicago O'Hare Intl

Sat 10/31

12:45 pm-11:05 am

1 stop15h 20m

$835

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Sat 9/19

6:20 am-12:55 pm

1 stop14h 35m

Chicago O'Hare Intl

Mon 10/5

3:35 pm-12:10 pm

1 stop12h 35m

$842

Quickest round-trip

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Thu 10/1

8:00 am-1:20 pm

1 stop13h 20m

Chicago O'Hare Intl

Mon 11/16

4:20 pm-11:50 am

1 stop11h 30m

$844

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Thu 9/24

6:30 am-7:55 pm

1 stop21h 25m

Chicago O'Hare Intl

Tue 11/24

9:50 pm-10:55 pm

1 stop17h 05m

$845

SofiaChicago

SOF Sofia - ORD Chicago O'Hare Intl

SOFORD

Sofia

Thu 9/17

4:05 pm-1:20 pm

1 stop29h 15m

Chicago O'Hare Intl

Thu 9/24

12:55 pm-3:20 pm

2 stops18h 25m

$862

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cheap Sofia to Wisconsin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Wisconsin

Best Price Found	$438
Fastest flight time	14h 35m
Direct flights	None

The best one-way flight to Wisconsin from Sofia in the past 72 hours is $438. The best round-trip flight deal from Sofia to Wisconsin found on momondo in the last 72 hours is $822.

The fastest flight from Sofia to Wisconsin takes 14h 35m

There are no direct flights from Sofia to Wisconsin. There are no popular flight routes from Sofia to Wisconsin.

Search flight deals

Frequently asked questions about flying from Sofia to Wisconsin

When did momondo last update prices for flights from Sofia Airport to Wisconsin?
Prices for flights from Sofia Airport to Wisconsin are updated daily.
How many operators does momondo search for flights from Sofia Airport to Wisconsin?
As of September 2026, there are 6 operators available to choose from for flights from Sofia Airport to Wisconsin.
How old do you have to be to fly from Sofia Airport to Wisconsin?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Wisconsin.
What documentation or ID do you need to fly to Wisconsin?
The necessary travel and health documents for your Wisconsin trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Sofia to Wisconsin

How do I get Price Alerts for flights from Sofia to Wisconsin?
Price Alerts will notify you by email when the price for flights to Wisconsin from Sofia decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Sofia to Wisconsin with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Sofia to Wisconsin?

It is quick and easy to find Sofia to Wisconsin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Wisconsin that suits you.

Can I find flights from Sofia to Wisconsin with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Sofia to Wisconsin flights to just show those with flexible booking policies.

How can momondo help me find flights from Sofia to Wisconsin?

Once all potential Sofia to Wisconsin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Sofia to Wisconsin right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Wisconsin, momondo offers a useful price alert feature which will track prices for flights to Wisconsin from Sofia and alert you when they change.