HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$974+ Cheap flights from Salt Lake City (SLC) to Sofia (SOF)

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SOF
May 29 — Jun 51
Fri 5/29
Fri 6/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Salt Lake City to Sofia 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 Salt Lake City to Sofia

Cheapest flights from Salt Lake City to Sofia
Explore the most affordable flight options available from Salt Lake City to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.

This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:55 pm
SLC
-
SOF
2 stops25h 20m
Lufthansa
Wed 6/106:20 am
SOF
-
SLC
2 stops21h 51m
Lufthansa
Deal found 4/28$974
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Tue 5/195:15 am
SLC
-
SOF
2 stops28h 25m
United Airlines
Wed 6/106:20 am
SOF
-
SLC
2 stops25h 58m
United Airlines
Deal found 4/24$986
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 7/65:57 pm
SLC
-
SOF
2 stops44h 18m
United Airlines
Mon 8/106:20 am
SOF
-
SLC
2 stops38h 46m
United Airlines
Deal found 4/27$1,112
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Thu 6/1112:28 am
SLC
-
SOF
2 stops26h 12m
United Airlines
Fri 6/196:10 am
SOF
-
SLC
2 stops43h 45m
United Airlines
Deal found 4/27$1,123
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/64:30 pm
SLC
-
SOF
1 stop36h 30m
KLM
Fri 8/77:00 am
SOF
-
SLC
1 stop15h 10m
KLM
Deal found 4/29$1,125
This KLM deal was found by Cheapflights users on 4/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:40 am
SLC
-
SOF
2 stops17h 20m
KLM
Wed 6/107:00 am
SOF
-
SLC
1 stop15h 14m
KLM
Deal found 4/27$1,130
This KAYAK deal was found by Cheapflights users on 4/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:57 pm
SLC
-
SOF
2 stops20h 18m
Austrian Airlines
Sun 8/94:05 pm
SOF
-
SLC
2 stops40h 06m
Austrian Airlines
Deal found 4/25$1,151
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 7/611:13 am
SLC
-
SOF
2 stops22h 27m
United Airlines
Fri 8/78:00 am
SOF
-
SLC
2 stops40h 48m
United Airlines
Deal found 4/29$1,159
This Air France deal was found by Cheapflights users on 4/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:10 am
SLC
-
SOF
2 stops17h 50m
Multiple Airlines
Fri 8/77:00 am
SOF
-
SLC
1 stop15h 10m
Multiple Airlines
Deal found 4/29$1,206

Find flight deals from Salt Lake City to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to Sofia (SOF). 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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$974
(Justfly.com)
Provider with most accurate pricing for Salt Lake City-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Salt Lake City-Sofia flights.
Search Deals
From Salt Lake City to Sofia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Salt Lake City to Sofia 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 2,558,603 searches. Data last updated April 29, 2026.
Use the filters below to find and compare flights from Salt Lake City to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Salt Lake CitySofia

SLC - SOF

SLCSOF

Salt Lake City

Tue 5/19

12:55 pm-11:15 pm

2 stops25h 20m

Sofia

Wed 6/10

6:20 am-7:11 pm

2 stops21h 51m

$974

Salt Lake CitySofia

SLC - SOF

SLCSOF

Salt Lake City

Tue 5/19

5:15 am-6:40 pm

2 stops28h 25m

Sofia

Wed 6/10

6:20 am-11:18 pm

2 stops25h 58m

$986

Salt Lake CitySofia

SLC - SOF

SLCSOF

Salt Lake City

Mon 7/6

5:57 pm-11:15 pm

2 stops44h 18m

Sofia

Mon 8/10

6:20 am-12:06 pm

2 stops38h 46m

$1,112

Salt Lake CitySofia

SLC - SOF

SLCSOF

Salt Lake City

Thu 6/11

12:28 am-11:40 am

2 stops26h 12m

Sofia

Fri 6/19

6:10 am-4:55 pm

2 stops43h 45m

$1,123

Salt Lake CitySofia

SLC - SOF

SLCSOF

Salt Lake City

Mon 7/6

4:30 pm-2:00 pm

1 stop36h 30m

Sofia

Fri 8/7

7:00 am-1:10 pm

1 stop15h 10m

$1,125

Salt Lake CitySofia

SLC - SOF

SLCSOF

Salt Lake City

Mon 7/6

11:13 am-6:40 pm

2 stops22h 27m

Sofia

Fri 8/7

8:00 am-3:48 pm

2 stops40h 48m

$1,159
Quickest round-trip

Salt Lake CitySofia

SLC - SOF

SLCSOF

Salt Lake City

Mon 7/6

11:10 am-2:00 pm

2 stops17h 50m

Sofia

Fri 8/7

7:00 am-1:10 pm

1 stop15h 10m

$1,206

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Sorted by cheapest first

Compare providers for flights from Salt Lake City to Sofia

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 Salt Lake City to Sofia in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Salt Lake City-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Salt Lake City-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Salt Lake City-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Salt Lake City-Sofia 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 Salt Lake City-Sofia 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 Salt Lake City to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Salt Lake City with our price prediction graph.
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.

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated April 29, 2026.
Peruse reviews from past customers who have flown with KLM and United Airlines from Salt Lake City to Sofia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,510 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,510 reviews
KLM
7.8
Good
1,510 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,680 reviews
KLM
7.8
Good
1,510 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Salt Lake City to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Salt Lake City to Sofia?

    Departing from Salt Lake City to Sofia will take you 25h 20m. Airlines will cover a distance of 6029 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Salt Lake City to Sofia round-trip?

    Currently priced at $512, United Airlines will fly you from Salt Lake City to Sofia and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on KLM for as low as $606.

  • Can I find deals for flights from Salt Lake City to Sofia that include hotel bookings?

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

  • How can I find direct flights from Salt Lake City to Sofia?

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

  • Can I find deals for business class flights from Salt Lake City to Sofia?

    Yes. Cheapflights offers flight deals from Salt Lake City to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
Sofia car rentals
Sofia Airport car rentals
Plovdiv Airport car rentals

Top 2 airlines flying from Salt Lake City to Sofia

Discover the top 2 airlines that operate flights from Salt Lake City to Sofia. 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 2,558,603 searches. Data last updated April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$512Average$704FlexibilityNo cancel feeOn-time69%
KLMCheapest$606Average$978FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.