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$251+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SOF
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
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 July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. 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 11/195:15 pm
EWR
-
SOF
1 stop13h 00m
United Airlines
Fri 11/277:55 am
SOF
-
EWR
2 stops18h 28m
United Airlines
Deal found 7/27$796
This oojo deal was found by Cheapflights users on 7/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:30 pm
EWR
-
SOF
1 stop15h 10m
Lufthansa
Tue 9/226:10 am
SOF
-
EWR
1 stop16h 35m
Lufthansa
Deal found 7/27$798
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:45 pm
EWR
-
SOF
2 stops18h 05m
Multiple Airlines
Sun 9/204:00 pm
SOF
-
EWR
2 stops36h 00m
Multiple Airlines
Deal found 7/27$799
This Mytrip deal was found by Cheapflights users on 7/26. 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.
Sun 8/308:25 pm
EWR
-
SOF
2 stops20h 50m
Multiple Airlines
Wed 9/169:40 pm
SOF
-
EWR
3 stops31h 50m
Multiple Airlines
Deal found 7/26$800
This oojo deal was found by Cheapflights users on 7/26. 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 10/2911:00 pm
EWR
-
SOF
2 stops13h 20m
SWISS
Mon 11/23:00 pm
SOF
-
EWR
1 stop12h 30m
SWISS
Deal found 7/26$801
This Mytrip deal was found by Cheapflights users on 7/26. 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.
Sun 8/308:25 pm
EWR
-
SOF
2 stops15h 30m
Multiple Airlines
Mon 9/215:25 pm
SOF
-
EWR
2 stops29h 05m
Multiple Airlines
Deal found 7/26$802
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Thu 8/2711:55 pm
EWR
-
SOF
2 stops20h 00m
Multiple Airlines
Thu 9/108:10 pm
SOF
-
EWR
1 stop31h 50m
Multiple Airlines
Deal found 7/26$803
This SWISS deal was found by Cheapflights users on 7/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:00 pm
EWR
-
SOF
2 stops13h 20m
SWISS
Mon 11/93:00 pm
SOF
-
EWR
1 stop12h 30m
SWISS
Deal found 7/27$804
This Travelocity deal was found by Cheapflights users on 7/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 am
EWR
-
SOF
2 stops21h 20m
Multiple Airlines
Mon 10/263:00 pm
SOF
-
EWR
2 stops35h 34m
Multiple Airlines
Deal found 7/25$805
This United Airlines deal was found by Cheapflights users on 7/27. 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 10/299:00 pm
EWR
-
SOF
2 stops15h 20m
United Airlines
Mon 11/27:55 am
SOF
-
EWR
1 stop13h 00m
United Airlines
Deal found 7/27$806
This Expedia deal was found by Cheapflights users on 7/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:40 pm
EWR
-
SOF
1 stop11h 00m
Austrian Airlines
Mon 10/267:55 am
SOF
-
EWR
1 stop13h 00m
Austrian Airlines
Deal found 7/27$808

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 July 28, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$795
(Kiwi.com)

One-way from

$251
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,160
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. 30% potential increase in price ($330 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 28, 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
Quickest round-trip

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 10/11

8:30 pm-6:40 pm

1 stop15h 10m

Sofia

Wed 10/21

8:00 am-1:55 pm

1 stop12h 55m

$804

NewarkSofia

EWR - SOF

EWRSOF

Newark

Tue 12/29

8:00 pm-6:10 pm

2 stops15h 10m

Sofia

Tue 1/19

7:55 am-1:55 pm

1 stop13h 00m

$812

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 8/26

5:15 pm-6:40 pm

1 stop18h 25m

Sofia

Wed 9/9

6:20 am-3:45 pm

1 stop16h 25m

$815

NewarkSofia

EWR - SOF

EWRSOF

Newark

Thu 8/20

1:00 pm-11:40 am

2 stops15h 40m

Sofia

Thu 9/10

11:05 am-8:15 pm

1 stop16h 10m

$825

NewarkSofia

EWR - SOF

EWRSOF

Newark

Tue 9/8

7:30 pm-10:50 pm

1 stop20h 20m

Sofia

Wed 9/23

8:00 am-1:55 pm

1 stop12h 55m

$826

NewarkSofia

EWR - SOF

EWRSOF

Newark

Tue 9/8

7:30 pm-6:00 pm

1 stop15h 30m

Sofia

Tue 9/22

6:10 am-3:45 pm

1 stop16h 35m

$836

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 9/6

8:30 pm-11:15 pm

1 stop19h 45m

Sofia

Sun 9/20

6:10 am-9:59 pm

2 stops22h 49m

$842

NewarkSofia

EWR - SOF

EWRSOF

Newark

Fri 9/4

12:25 am-12:15 pm

1 stop28h 50m

Sofia

Sun 9/20

9:10 pm-10:30 pm

1 stop32h 20m

$844

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sat 9/5

5:15 pm-12:10 pm

1 stop11h 55m

Sofia

Sun 9/20

6:10 am-9:59 pm

2 stops22h 49m

$857
Cheapest one-way

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sat 8/29

8:25 pm-12:25 pm

3 stops33h 00m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Newark Airport-Sofia flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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 34 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 $484). Flying from Newark Airport to Sofia in June is currently the most expensive (average of $1,219). 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?

Airfare is typical for this route at the moment.

Newark Airport to Sofia flights typically cost between $718 and $1,176 in September.
The cheapest round-trip price found within the last 5 days was $795 on Multiple Airlines (Sep 6-Sep 28).

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 July 28, 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
949 reviews

Entertainment

6.8

Food

6.8

Crew

8.1

Boarding

7.6

Comfort

7.3

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Austrian Airlines
7.6
Good
949 reviews
Austrian Airlines
7.6
Good
949 reviews

Entertainment

6.8

Food

6.8

Crew

8.1

Boarding

7.6

Comfort

7.3

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
LOT
7.5
Good
1,215 reviews
Austrian Airlines
7.6
Good
949 reviews

Entertainment

6.8

Food

6.8

Crew

8.1

Boarding

7.6

Comfort

7.3

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Turkish Airlines
7.4
Good
4,454 reviews
Austrian Airlines
7.6
Good
949 reviews

Entertainment

6.8

Food

6.8

Crew

8.1

Boarding

7.6

Comfort

7.3

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
United Airlines
7.4
Good
10,046 reviews
Austrian Airlines
7.6
Good
949 reviews

Entertainment

6.8

Food

6.8

Crew

8.1

Boarding

7.6

Comfort

7.3

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Lufthansa
6.8
Okay
8,161 reviews
Austrian Airlines
7.6
Good
949 reviews

Entertainment

6.8

Food

6.8

Crew

8.1

Boarding

7.6

Comfort

7.3

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

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?

    United Airlines can get you from Newark Airport to Sofia in just under 15h 10m. Your travel time can differ by up to . Newark Airport and Sofia are separated by a distance of 4721 mi.

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

    According to our current data, Austrian Airlines ($397), United Airlines ($400), and Air France ($420) offers the cheapest pricing from Newark Airport to Sofia. These flights start at 46% lower than the current average price 3 months from now.

  • 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 $484). Flying from Newark Airport to Sofia in June is currently the most expensive (average of $1,219). 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

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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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$397Average$788FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$400Average$869FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$420Average$641FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$445Average$941FlexibilityNo cancel feeOn-time76%
LOTCheapest$484Average$697FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$512Average$878FlexibilityNo cancel feeOn-time77%

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