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Sofia

$339+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SOF
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:15 pm
RDU
-
SOF
1 stop14h 10m
Lufthansa
Wed 3/252:00 pm
SOF
-
RDU
2 stops15h 44m
Lufthansa
Deal found 2/3$495
This Air France deal was found by Cheapflights users on 2/3. 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 3/97:55 pm
RDU
-
SOF
1 stop12h 10m
Air France
Wed 3/257:00 am
SOF
-
RDU
1 stop16h 45m
Air France
Deal found 2/3$537
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/54:15 pm
RDU
-
SOF
1 stop14h 35m
Lufthansa
Mon 3/236:10 am
SOF
-
RDU
2 stops23h 34m
Lufthansa
Deal found 2/2$542
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/51:27 pm
RDU
-
SOF
2 stops26h 18m
United Airlines
Mon 3/236:10 am
SOF
-
RDU
2 stops23h 34m
United Airlines
Deal found 2/1$561
This FlightHub deal was found by Cheapflights users on 2/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:40 pm
RDU
-
SOF
1 stop12h 20m
Lufthansa
Thu 11/126:10 am
SOF
-
RDU
1 stop14h 35m
Lufthansa
Deal found 2/1$562
This United Airlines deal was found by Cheapflights users on 2/1. 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 5/1810:41 am
RDU
-
SOF
2 stops18h 29m
United Airlines
Thu 11/126:10 am
SOF
-
RDU
1 stop14h 35m
United Airlines
Deal found 2/1$565
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 5/206:00 am
RDU
-
SOF
2 stops23h 10m
United Airlines
Thu 11/126:10 am
SOF
-
RDU
1 stop14h 35m
United Airlines
Deal found 2/1$569

Find flight deals from Durham to Sofia

Keep the following information in mind while searching for Durham to Sofia flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$495
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$900
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. 20% potential increase in price ($226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 3, 2026.
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

Mon 3/9

5:15 pm-1:25 pm

1 stop14h 10m

Sofia

Wed 3/25

2:00 pm-11:44 pm

2 stops15h 44m

$495

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Mon 3/9

7:55 pm-2:05 pm

1 stop12h 10m

Sofia

Wed 3/25

7:00 am-5:45 pm

1 stop16h 45m

$537

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Thu 3/5

1:27 pm-10:45 pm

2 stops26h 18m

Sofia

Mon 3/23

6:10 am-11:44 pm

2 stops23h 34m

$561

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Mon 5/18

10:41 am-12:10 pm

2 stops18h 29m

Sofia

Thu 11/12

6:10 am-1:45 pm

1 stop14h 35m

$565

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Mon 5/18

10:41 am-12:10 pm

2 stops18h 29m

Sofia

Fri 11/13

6:10 am-9:20 pm

2 stops22h 10m

$568

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Mon 5/18

10:41 am-12:10 pm

2 stops18h 29m

Sofia

Wed 11/11

6:10 am-9:20 pm

2 stops22h 10m

$568

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Sun 5/17

10:41 am-12:10 pm

2 stops18h 29m

Sofia

Tue 11/10

6:10 am-9:20 pm

2 stops22h 10m

$568

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Sun 5/17

10:41 am-12:10 pm

2 stops18h 29m

Sofia

Fri 11/13

6:10 am-9:20 pm

2 stops22h 10m

$568

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Sun 5/17

10:41 am-12:10 pm

2 stops18h 29m

Sofia

Thu 11/12

6:10 am-9:20 pm

2 stops22h 10m

$568

RaleighSofia

RDU - SOF

RDUSOF

Raleigh-Durham

Tue 5/19

6:00 am-12:10 pm

2 stops23h 10m

Sofia

Thu 11/12

6:10 am-9:20 pm

2 stops22h 10m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 12 results
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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

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 February 3, 2026.
Read through reviews of airlines operating flights from Durham to Sofia, such as United 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
9,236 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,759 reviews
United Airlines
7.4
Good
9,236 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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. 2 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 12h 10m. 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.

See more FAQs

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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
Raleigh to Sofia flights
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Myrtle Beach to Sofia flights

Top 2 airlines flying from Durham to Sofia

Discover the top 2 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$495Average$859FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$629Average$860FlexibilityNo cancel feeOn-time76%

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