$566 Cheap Flights from Sofia (SOF) to Salt Lake City (SLC)

View $566 flight on Sun, Jun 28, 2026Opens in a new window

Popular airlines from Sofia Airport (SOF) to Salt Lake City International Airport (SLC)

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Cheap Flights from Sofia to Salt Lake City (SOF-SLC)

Prices were available within the past 7 days and start at $566 for one-way flights and $931 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, Apr 9 - Sat, Apr 25
SOF
Sofia
SLC
Salt Lake City
$931 Roundtrip, found 6 days ago
$931
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Apr 9 from Sofia to Salt Lake City, returning Sat, Apr 25, priced at $931 found 6 days ago
Swiss International Air Lines
Thu, Apr 9 - Sat, Apr 25
SOF
Sofia
SLC
Salt Lake City
$939 Roundtrip, found 6 days ago
$939
Roundtrip
found 6 days ago
Select Swiss International Air Lines flight, departing Thu, Apr 9 from Sofia to Salt Lake City, returning Sat, Apr 25, priced at $939 found 6 days ago
Swiss International Air Lines
Thu, Apr 9 - Sat, Apr 25
SOF
Sofia
SLC
Salt Lake City
$941 Roundtrip, found 6 days ago
$941
Roundtrip
found 6 days ago
Select Swiss International Air Lines flight, departing Thu, Apr 9 from Sofia to Salt Lake City, returning Sat, Apr 25, priced at $941 found 6 days ago
Austrian Airlines
Thu, Apr 9 - Sat, Apr 25
SOF
Sofia
SLC
Salt Lake City
$941 Roundtrip, found 6 days ago
$941
Roundtrip
found 6 days ago
Select Austrian Airlines flight, departing Thu, Apr 9 from Sofia to Salt Lake City, returning Sat, Apr 25, priced at $941 found 6 days ago
Austrian Airlines
Thu, Apr 9 - Sat, Apr 25
SOF
Sofia
SLC
Salt Lake City
$942 Roundtrip, found 6 days ago
$942
Roundtrip
found 6 days ago
Select Austrian Airlines flight, departing Thu, Apr 9 from Sofia to Salt Lake City, returning Sat, Apr 25, priced at $942 found 6 days ago
Lufthansa
Thu, Apr 9 - Sat, Apr 25
SOF
Sofia
SLC
Salt Lake City
$944 Roundtrip, found 6 days ago
$944
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Apr 9 from Sofia to Salt Lake City, returning Sat, Apr 25, priced at $944 found 6 days ago
Lufthansa
Thu, Apr 9 - Sat, Apr 25
SOF
Sofia
SLC
Salt Lake City
$945 Roundtrip, found 6 days ago
$945
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Apr 9 from Sofia to Salt Lake City, returning Sat, Apr 25, priced at $945 found 6 days ago
Lufthansa
Thu, Apr 9 - Sat, Apr 25
SOF
Sofia
SLC
Salt Lake City
$951 Roundtrip, found 6 days ago
$951
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Apr 9 from Sofia to Salt Lake City, returning Sat, Apr 25, priced at $951 found 6 days ago
Lufthansa
Thu, Apr 9 - Sat, Apr 25
SOF
Sofia
SLC
Salt Lake City
$952 Roundtrip, found 6 days ago
$952
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Apr 9 from Sofia to Salt Lake City, returning Sat, Apr 25, priced at $952 found 6 days ago
Lufthansa
Thu, Apr 9 - Sat, Apr 25
SOF
Sofia
SLC
Salt Lake City
$954 Roundtrip, found 6 days ago
$954
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Apr 9 from Sofia to Salt Lake City, returning Sat, Apr 25, priced at $954 found 6 days ago

Frequently asked questions

How much does a flight from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.) cost?
You can find cheap one-way flights from $566 and cheap return flights from $931 Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.) with Expedia. Return flights often range between $947 and $3765. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The cheapest month to fly from SOF to SLC is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
Enter SOF to SLC and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
To find a cheap flight from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The earliest flight from Sofia (SOF) to Salt Lake City (SLC) typically departs at around 5:00 AM, operated by Air Serbia and Delta. This is a seasonal service active in September, and an early departure can help you make the most of your time in Salt Lake City. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
The most popular departure times for flights from Sofia (SOF) to Salt Lake City Intl. (SLC) are in the early morning, from 6am to 9am. About 84% of passengers prefer this time window. Airlines like Lufthansa and Delta Airlines operate flights during this period. This timing is favored because it allows travelers to arrive in Salt Lake City with a full day ahead.
How long does it take to fly from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
A flight from SOF to SLC with a layover takes around 17 hours, with the route covering approximately 6,034 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
You can fly business class between SOF and SLC. Airlines that offer business class service on this route include:

  • Qatar Airways
  • Lufthansa
  • Bulgaria Air
  • ITA Airways
  • Austrian Airlines
  • flydubai
  • Air Baltic
  • Helvetic Airways

How do I earn miles on a Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight with Expedia?
It's easy to earn miles on a Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Salt Lake City from SOF (SOF)?
From SOF (SOF), you can fly into Salt Lake City Intl. (SLC) to reach Salt Lake City. Some flights may connect through major hubs like Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), Schiphol (AMS) before reaching Salt Lake City. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.) at the last minute?
Typically, booking a last minute flight from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight and hotel package?
Securing a Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.) Salt Lake City Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.)?
If you booked your Sofia (SOF) to Salt Lake City, UT (SLC-Salt Lake City Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sofia
Destination airport
Salt Lake City Intl.
Roundtrip price
$930
Distance
6033 mi

Book with confidence

Sofia to Salt Lake City Flights

The cheapest times to fly from Sofia to Salt Lake City

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 Sofia to Salt Lake City are during the month of April. You can find some of the cheapest flights from Sofia to Salt Lake City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to Salt Lake City

Sunday is one of the best days to book for cheap flights from Sofia to Salt Lake City: 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 Sofia to Salt Lake City

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 Sofia to Salt Lake City in 2026. You can also book with separate airlines for your outbound and return journeys, from $566 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 Sofia to Salt Lake City 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 Sofia to Salt Lake City 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.

 

Sofia to Salt Lake City Flights

*Flight schedules are subject to change.

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*Available to One Key members.