HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$577+ Cheap flights from Durham, NC to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SOF
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Durham 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.

Find flight deals from Durham to Sofia

Cheapest flights from Durham to Sofia
Explore the most affordable flight options available from Durham to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:00 amRDU - SOF
2 stops31h 50mTurkish Airlines
Sat 11/89:40 pmSOF - RDU
2 stops32h 11mTurkish Airlines
Deal found 11/2$899
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:00 pmRDU - SOF
1 stop19h 00mLufthansa
Sat 11/86:25 amSOF - RDU
1 stop14h 40mLufthansa
Deal found 11/2$1,190
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:00 pmRDU - SOF
2 stops22h 00mMultiple Airlines
Sat 11/85:00 amSOF - RDU
3 stops20h 35mMultiple Airlines
Deal found 11/2$1,339

Cheap flight deals from Durham to Sofia

Keep the following information in mind while searching for Durham to Sofia flight deals. Data was last updated November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$828
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$889
Provider with most accurate pricing for Raleigh-Durham-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Sofia flights.
Search Deals
From Durham to Sofia
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($262 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Durham 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 November 2, 2025.
Use the filters below to find and compare flights from Durham to Sofia that are best for you.

Fly from

Durham

Fly to

Sofia

Route

Depart

Return

Price

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Thu 11/6

6:00 am-8:50 pm

2 stops31h 50m

Sofia

Sat 11/8

9:40 pm-10:51 pm

2 stops32h 11m

$899

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Thu 11/6

4:00 pm-6:00 pm

1 stop19h 00m

Sofia

Sat 11/8

6:25 am-2:05 pm

1 stop14h 40m

$1,190

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Thu 11/6

4:00 pm-9:00 pm

2 stops22h 00m

Sofia

Sat 11/8

5:00 am-6:35 pm

3 stops20h 35m

$1,339

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Mon 12/22

7:34 pm-3:30 pm

2 stops36h 56m

$577

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Mon 12/22

5:50 pm-11:50 am

3 stops59h 00m

$675

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Fri 12/19

5:50 pm-11:05 am

3 stops58h 15m

$874

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Mon 12/22

6:55 pm-2:05 pm

1 stop12h 10m

$1,002

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Fri 12/19

8:45 pm-1:00 pm

1 stop33h 15m

$2,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Best time to book a flight from Durham to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Durham 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.

Cheapflights Insights

Everything you need to know about your flight from Durham to Sofia

What is the cheapest month to book a flight from Durham to Sofia?

Currently, November is the cheapest month in which you can book a flight from Durham to Sofia (average of $599). Flying from Durham to Sofia in June is currently the most expensive (average of $940). 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.

What is the cheapest time of day to fly from DU8 to SOF?

Find hourly flight availability from Durham to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 37% on flights from Durham to Sofia by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Durham to Sofia?

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 November 2, 2025.
Read through reviews of airlines operating flights from Durham to Sofia, such as United Airlines, Turkish Airlines, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,993 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,993 reviews
United Airlines
7.4
Good
8,993 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Turkish Airlines
7.3
Good
4,037 reviews
United Airlines
7.4
Good
8,993 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,542 reviews
United Airlines
7.4
Good
8,993 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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

  • What airport do you fly into for flights to Sofia from Durham?

    Sofia (SOF), located 4.2 mi from the city center, is the airport you fly into when you book flights from Durham to Sofia. 3 airlines have flights to Sofia from Durham on a regular basis. Booking flights from Durham to Sofia should not be difficult; the airport handles an average of 0 inbound flights from Durham per day.

  • How long is the flight from Durham to Sofia?

    Departing from Durham to Sofia will take you 19h. The distance from Durham to Sofia is about 5126 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Durham to Sofia that include hotel bookings?

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

  • How can I find direct flights from Durham to Sofia?

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

  • Can I find deals for business class flights from Durham to Sofia?

    Yes. Cheapflights offers flight deals from Durham 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.

  • What is the cheapest month to book a flight from Durham to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Durham to Sofia (average of $599). Flying from Durham to Sofia in June is currently the most expensive (average of $940). 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.

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.

Alternative routes for Durham to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Sofia flights
Myrtle Beach to Sofia flights
Raleigh to Sofia flights
Norfolk to Sofia flights

Top 3 airlines flying from Durham to Sofia

Discover the top 3 airlines that operate flights from Durham 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$660Average$889FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$677Average$967FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$794Average$1,378FlexibilityNo cancel feeOn-time77%

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.