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$332+ Cheap flights from Newark (EWR) 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SOF
May 24 — May 311
Sun 5/24
Sun 5/31
1 adult, Economy
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Cheap flight deals from Newark to Sofia

Cheapest flights from Newark to Sofia
Explore the most affordable flight options available from Newark to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.

This FlightHub deal was found by Cheapflights users on 4/19. 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.
Mon 10/1912:25 am
EWR
-
SOF
1 stop12h 50m
Turkish Airlines
Tue 11/39:40 pm
SOF
-
EWR
1 stop32h 50m
Turkish Airlines
Deal found 4/19$566
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 8/175:40 pm
EWR
-
SOF
1 stop11h 00m
Austrian Airlines
Mon 8/246:55 pm
SOF
-
EWR
1 stop26h 00m
Austrian Airlines
Deal found 4/23$573
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/45:40 pm
EWR
-
SOF
1 stop11h 00m
Austrian Airlines
Tue 5/128:00 am
SOF
-
EWR
1 stop12h 55m
Austrian Airlines
Deal found 4/23$574
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 10/195:40 pm
EWR
-
SOF
1 stop14h 40m
Austrian Airlines
Mon 11/26:45 pm
SOF
-
EWR
1 stop26h 10m
Austrian Airlines
Deal found 4/21$576
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Sun 5/35:40 pm
EWR
-
SOF
1 stop11h 00m
Austrian Airlines
Mon 5/116:55 pm
SOF
-
EWR
1 stop26h 00m
Austrian Airlines
Deal found 4/23$577
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Sun 8/165:40 pm
EWR
-
SOF
1 stop12h 15m
Austrian Airlines
Tue 8/254:05 pm
SOF
-
EWR
1 stop28h 50m
Austrian Airlines
Deal found 4/23$583
This FlightHub deal was found by Cheapflights users on 4/19. 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.
Sun 9/612:25 am
EWR
-
SOF
1 stop31h 35m
Turkish Airlines
Tue 9/223:50 pm
SOF
-
EWR
1 stop13h 40m
Turkish Airlines
Deal found 4/19$596
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Wed 10/212:35 pm
EWR
-
SOF
2 stops14h 35m
Multiple Airlines
Wed 11/42:00 pm
SOF
-
EWR
1 stop12h 05m
Multiple Airlines
Deal found 4/23$598
This FlightHub deal was found by Cheapflights users on 4/19. 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 8/2512:25 am
EWR
-
SOF
1 stop31h 35m
Turkish Airlines
Wed 9/239:05 pm
SOF
-
EWR
1 stop32h 25m
Turkish Airlines
Deal found 4/19$599
This Mytrip deal was found by Cheapflights users on 4/19. 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.
Tue 10/202:35 pm
EWR
-
SOF
2 stops14h 35m
Multiple Airlines
Tue 11/37:55 am
SOF
-
EWR
1 stop13h 00m
Multiple Airlines
Deal found 4/19$601
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/45:40 pm
EWR
-
SOF
1 stop11h 00m
Austrian Airlines
Wed 5/208:00 am
SOF
-
EWR
1 stop12h 55m
Austrian Airlines
Deal found 4/23$603

Find flight deals from Newark to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) 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 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$566
(FlightHub)

One-way from

$332
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$644
Provider with most accurate pricing for Newark-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Newark-Sofia flights.
Search Deals
From Newark to Sofia
Search Deals
One-way flight from Newark to Sofia
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($192 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark 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 24, 2026.
Use the filters below to find and compare flights from Newark Airport to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkSofia

EWR - SOF

EWRSOF

Newark

Tue 5/12

3:10 pm-2:00 pm

2 stops15h 50m

Sofia

Wed 5/20

7:00 am-5:54 pm

2 stops17h 54m

$674

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 8/10

7:29 pm-6:40 pm

2 stops16h 11m

Sofia

Wed 8/26

6:10 am-7:14 pm

2 stops20h 04m

$721

NewarkSofia

EWR - SOF

EWRSOF

Newark

Tue 9/8

7:30 pm-6:00 pm

1 stop15h 30m

Sofia

Sat 9/26

6:20 am-2:45 pm

2 stops15h 25m

$741

NewarkSofia

EWR - SOF

EWRSOF

Newark

Fri 8/21

6:00 am-10:50 am

2 stops21h 50m

Sofia

Fri 9/4

6:10 am-9:59 pm

2 stops22h 49m

$833

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 10/11

8:30 pm-11:15 pm

1 stop19h 45m

Sofia

Thu 10/15

8:00 am-1:55 pm

1 stop12h 55m

$833

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 5/4

7:00 pm-6:10 pm

2 stops16h 10m

Sofia

Mon 5/11

6:55 pm-1:55 pm

1 stop26h 00m

$838
Quickest round-trip

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 7/26

5:40 pm-12:55 pm

1 stop12h 15m

Sofia

Mon 8/31

6:10 am-12:35 pm

1 stop13h 25m

$874

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 7/13

3:08 pm-12:10 pm

2 stops14h 02m

Sofia

Tue 7/21

8:00 am-1:55 pm

1 stop12h 55m

$907

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 8/3

7:29 pm-6:00 pm

2 stops15h 31m

Sofia

Tue 8/11

2:10 pm-10:30 am

2 stops27h 20m

$919

NewarkSofia

EWR - SOF

EWRSOF

Newark

Thu 7/30

8:30 pm-6:40 pm

1 stop15h 10m

Sofia

Mon 8/31

6:10 am-12:35 pm

1 stop13h 25m

$929

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 22 resultsSorted by cheapest first
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3

Compare providers for flights from Newark 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 Newark to Sofia in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 Newark Airport-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newark Airport-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-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 Newark Airport-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 Newark to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Newark 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 Newark Airport to Sofia

How far ahead should I book a flight from Newark Airport to Sofia?

The price you pay for your flight from Newark Airport to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Newark Airport to Sofia (average of $480). Flying from Newark Airport to Sofia in June is currently the most expensive (average of $1,062). 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.

How much does it cost to fly round-trip from Newark Airport 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 April 24, 2026.
Peruse reviews from past customers who have flown with Austrian Airlines,LOT, andTurkish Airlines from Newark Airport 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.
Austrian Airlines
7.6
Good
906 reviews

Comfort

7.3

Entertainment

6.8

Overall

7.6

Boarding

7.6

Crew

8.1

Food

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Austrian Airlines
7.6
Good
906 reviews
Austrian Airlines
7.6
Good
906 reviews

Comfort

7.3

Entertainment

6.8

Overall

7.6

Boarding

7.6

Crew

8.1

Food

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
LOT
7.5
Good
1,189 reviews
Austrian Airlines
7.6
Good
906 reviews

Comfort

7.3

Entertainment

6.8

Overall

7.6

Boarding

7.6

Crew

8.1

Food

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Turkish Airlines
7.4
Good
4,326 reviews
Austrian Airlines
7.6
Good
906 reviews

Comfort

7.3

Entertainment

6.8

Overall

7.6

Boarding

7.6

Crew

8.1

Food

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
United Airlines
7.4
Good
9,644 reviews
Austrian Airlines
7.6
Good
906 reviews

Comfort

7.3

Entertainment

6.8

Overall

7.6

Boarding

7.6

Crew

8.1

Food

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Lufthansa
6.8
Okay
7,944 reviews
Austrian Airlines
7.6
Good
906 reviews

Comfort

7.3

Entertainment

6.8

Overall

7.6

Boarding

7.6

Crew

8.1

Food

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Related info for your journey

Find useful and relevant information for your journey from Newark 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 Newark?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from Newark. On average, Sofia has 0 inbound flights from Newark per day from 6 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

  • How long is the flight from Newark Airport to Sofia?

    KLM and United Airlines can get you from Newark Airport to Sofia in just under 15h 50m. Your travel time can differ by up to 21m. Newark Airport and Sofia are separated by a distance of 4721 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Newark Airport to Sofia round-trip?

    According to our current data, Austrian Airlines ($397), Air France ($420), and United Airlines ($424) offers the cheapest pricing from Newark Airport to Sofia. These flights start at 41% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Newark Airport to Sofia one-way?

    $167 is the cheapest one-way deal found within the past few days, from Austrian Airlines. You may also be able to find cheap deals on Lufthansa and United Airlines, with prices starting from $379 and $406, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Newark 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 Newark Airport to Sofia?

    Currently, January is the cheapest month in which you can book a flight from Newark Airport to Sofia (average of $480). Flying from Newark Airport to Sofia in June is currently the most expensive (average of $1,062). 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

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Alternative routes for Newark to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Sofia flights

Top 6 airlines flying from Newark to Sofia

Discover the top 6 airlines that operate flights from Newark 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 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$397Average$693FlexibilityNo cancel feeOn-time78%
Air FranceCheapest$420Average$596FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$424Average$723FlexibilityNo cancel feeOn-time69%
LOTCheapest$437Average$613FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$448Average$776FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$512Average$733FlexibilityNo cancel feeOn-time77%

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