$450 Cheap Flights from Milwaukee (MKE) to Sofia (SOF)

View $450 flight on Tue, Jan 6, 2026Opens in a new window

Popular airlines from General Mitchell Intl. Airport (MKE) to Sofia Airport (SOF)

Cheap Flights from Milwaukee to Sofia (MKE-SOF)

Prices were available within the past 7 days and start at $450 for one-way flights and $563 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jan 6 - Mon, Jan 12
MKE
Milwaukee
SOF
Sofia
$563 Roundtrip, found 9 hours ago
$563
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Jan 6 from Milwaukee to Sofia, returning Mon, Jan 12, priced at $563 found 9 hours ago
United
Tue, Jan 6 - Mon, Jan 12
MKE
Milwaukee
SOF
Sofia
$564 Roundtrip, found 9 hours ago
$564
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Jan 6 from Milwaukee to Sofia, returning Mon, Jan 12, priced at $564 found 9 hours ago
United
Tue, Jan 6 - Mon, Jan 12
MKE
Milwaukee
SOF
Sofia
$570 Roundtrip, found 9 hours ago
$570
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Jan 6 from Milwaukee to Sofia, returning Mon, Jan 12, priced at $570 found 9 hours ago
United
Tue, Jan 6 - Mon, Jan 12
MKE
Milwaukee
SOF
Sofia
$573 Roundtrip, found 9 hours ago
$573
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Jan 6 from Milwaukee to Sofia, returning Mon, Jan 12, priced at $573 found 9 hours ago
Air France
Tue, Jan 6 - Mon, Jan 12
MKE
Milwaukee
SOF
Sofia
$595 Roundtrip, found 9 hours ago
$595
Roundtrip
found 9 hours ago
Select Air France flight, departing Tue, Jan 6 from Milwaukee to Sofia, returning Mon, Jan 12, priced at $595 found 9 hours ago
Delta
Tue, Jan 6 - Mon, Jan 12
MKE
Milwaukee
SOF
Sofia
$601 Roundtrip, found 9 hours ago
$601
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Jan 6 from Milwaukee to Sofia, returning Mon, Jan 12, priced at $601 found 9 hours ago
Air France
Tue, Jan 6 - Mon, Jan 12
MKE
Milwaukee
SOF
Sofia
$601 Roundtrip, found 9 hours ago
$601
Roundtrip
found 9 hours ago
Select Air France flight, departing Tue, Jan 6 from Milwaukee to Sofia, returning Mon, Jan 12, priced at $601 found 9 hours ago
Delta
Tue, Jan 6 - Mon, Jan 12
MKE
Milwaukee
SOF
Sofia
$607 Roundtrip, found 9 hours ago
$607
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Jan 6 from Milwaukee to Sofia, returning Mon, Jan 12, priced at $607 found 9 hours ago
Lufthansa
Wed, Feb 25 - Sat, Mar 21
MKE
Milwaukee
SOF
Sofia
$699 Roundtrip, found 6 days ago
$699
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Feb 25 from Milwaukee to Sofia, returning Sat, Mar 21, priced at $699 found 6 days ago
KLM
Fri, Nov 14 - Mon, Nov 17
MKE
Milwaukee
SOF
Sofia
$926 Roundtrip, found 1 day ago
$926
Roundtrip
found 1 day ago
Select KLM flight, departing Fri, Nov 14 from Milwaukee to Sofia, returning Mon, Nov 17, priced at $926 found 1 day ago

Alternative airports near Sofia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sofia Airport SOF. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $717
SOF
Sofia Airport
CheapestClosest
Average driving time to city center11 min
Flights from $717

Frequently asked questions

How much does a flight from General Mitchell Intl. Airport (MKE) to Sofia Airport (SOF) cost?
Snag a cheap one-way flight from $450 or cheap return flight from $563 from General Mitchell Intl. Airport (MKE) to Sofia Airport (SOF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from General Mitchell Intl. Airport (MKE) to Sofia Airport (SOF)?
Planning your trip for January is a good way to save, as it's the cheapest month for flights between MKE and SOF. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from General Mitchell Intl. Airport (MKE) to Sofia Airport (SOF)?
To find the cheapest airline that'll fly you from MKE to SOF, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from General Mitchell Intl. Airport (MKE) to Sofia Airport (SOF)?
There are no daily nonstop flights from General Mitchell Intl. Airport (MKE) to Sofia Airport (SOF). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from MKE to SOF?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from General Mitchell Intl. Airport (MKE) to Sofia Airport (SOF)?
To land at Sofia Airport (SOF) on schedule, select a flight that leaves from General Mitchell Intl. Airport (MKE) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from General Mitchell Intl. Airport (MKE) to Sofia Airport (SOF) last-minute?
Holding off until right before your break to book a flight from MKE to SOF generally means paying more. While you may find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible for a better chance of scoring a bargain.
Is it cheaper to book a MKE to SOF flight and hotel package?
Compared with arranging flights and hotels separately, booking a MKE to SOF flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place takes the hassle out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from General Mitchell Intl. Airport (MKE) to Sofia Airport (SOF)?
In most instances, you're able to cancel or reschedule your MKE to SOF flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like more information, visit our Customer Service portal.

Travel information

Origin airport
General Mitchell Intl.
Destination airport
Sofia
Airlines serving
Air France, KLM, Lufthansa, United
Roundtrip price
$563
Distance
5150 mi

Book with confidence

Milwaukee to Sofia Flights

The cheapest times to fly from Milwaukee to Sofia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Milwaukee to Sofia are during the month of January. You can find some of the cheapest flights from Milwaukee to Sofia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Milwaukee to Sofia

Sunday is one of the best days to book for cheap flights from Milwaukee to Sofia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Milwaukee to Sofia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Milwaukee to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $450 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Milwaukee to Sofia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Milwaukee to Sofia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Milwaukee to Sofia Flights

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*Available to One Key members.