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$282+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SOF
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
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 March 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/275:40 pm
EWR
-
SOF
1 stop14h 40m
Austrian Airlines
Mon 5/116:55 pm
SOF
-
EWR
1 stop26h 00m
Austrian Airlines
Deal found 3/9$445
This Mytrip deal was found by Cheapflights users on 3/8. 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 4/810:25 am
EWR
-
SOF
2 stops25h 15m
Multiple Airlines
Wed 4/2212:55 pm
SOF
-
EWR
1 stop12h 50m
Multiple Airlines
Deal found 3/8$463
This Mytrip deal was found by Cheapflights users on 3/9. 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.
Mon 4/272:30 pm
EWR
-
SOF
2 stops14h 40m
Multiple Airlines
Mon 5/116:55 pm
SOF
-
EWR
1 stop26h 00m
Multiple Airlines
Deal found 3/9$467
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/64:56 pm
EWR
-
SOF
2 stops35h 44m
Austrian Airlines
Wed 4/158:00 am
SOF
-
EWR
1 stop12h 55m
Austrian Airlines
Deal found 3/11$471
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/207:45 pm
EWR
-
SOF
1 stop23h 10m
LOT
Mon 5/46:45 pm
SOF
-
EWR
1 stop33h 05m
LOT
Deal found 3/10$475
This oojo deal was found by Cheapflights users on 3/9. 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.
Sun 4/269:45 pm
EWR
-
SOF
1 stop31h 30m
Multiple Airlines
Mon 5/116:55 pm
SOF
-
EWR
1 stop26h 00m
Multiple Airlines
Deal found 3/9$484
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 3/229:50 pm
EWR
-
SOF
1 stop18h 55m
Multiple Airlines
Tue 3/318:00 am
SOF
-
EWR
1 stop12h 55m
Multiple Airlines
Deal found 3/12$489
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/65:40 pm
EWR
-
SOF
1 stop11h 00m
Austrian Airlines
Tue 4/148:00 am
SOF
-
EWR
1 stop12h 55m
Austrian Airlines
Deal found 3/10$497
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Tue 3/316:00 pm
EWR
-
SOF
1 stop12h 05m
Multiple Airlines
Wed 4/158:00 am
SOF
-
EWR
1 stop12h 55m
Multiple Airlines
Deal found 3/12$509
This Flybillet deal was found by Cheapflights users on 3/13. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:30 pm
EWR
-
SOF
2 stops14h 40m
Multiple Airlines
Mon 5/46:55 pm
SOF
-
EWR
1 stop26h 00m
Multiple Airlines
Deal found 3/13$512

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 March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$445
(Kiwi.com)

One-way from

$282
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$512
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 ($198 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 March 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 March 14, 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 3/31

1:10 pm-11:40 am

2 stops15h 30m

Sofia

Wed 4/8

8:00 am-1:55 pm

1 stop12h 55m

$542
Quickest round-trip

NewarkSofia

EWR - SOF

EWRSOF

Newark

Tue 3/24

6:55 pm-11:50 am

1 stop10h 55m

Sofia

Thu 4/2

2:10 pm-11:56 pm

2 stops16h 46m

$558

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 5/3

6:40 am-11:00 pm

2 stops33h 20m

Sofia

Thu 5/14

12:55 pm-11:59 pm

2 stops18h 04m

$581

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 5/3

7:36 am-12:10 pm

2 stops21h 34m

Sofia

Sat 5/9

12:55 pm-12:10 pm

2 stops30h 15m

$586

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 3/23

11:00 pm-7:40 pm

1 stop14h 40m

Sofia

Thu 3/26

11:45 am-9:00 pm

1 stop15h 15m

$597

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 4/26

3:07 pm-12:10 pm

2 stops14h 03m

Sofia

Sun 5/3

6:20 am-5:59 pm

2 stops18h 39m

$602

NewarkSofia

EWR - SOF

EWRSOF

Newark

Thu 3/26

2:03 pm-1:50 pm

2 stops17h 47m

Sofia

Tue 3/31

8:00 am-1:55 pm

1 stop12h 55m

$610

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 3/25

6:55 pm-6:00 pm

1 stop17h 05m

Sofia

Tue 3/31

8:00 am-1:55 pm

1 stop12h 55m

$623

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 7/12

7:30 pm-1:35 pm

1 stop11h 05m

Sofia

Sat 9/12

8:00 am-11:48 pm

2 stops22h 48m

$636

NewarkSofia

EWR - SOF

EWRSOF

Newark

Tue 8/4

10:25 am-11:00 am

2 stops17h 35m

Sofia

Tue 8/25

2:10 pm-11:48 pm

2 stops16h 38m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
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 March.
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?

Use this chart to determine the optimal time to book a round-trip flight from Newark to Sofia. Price data was last updated on March 6, 2026.

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 39 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, October is the cheapest month in which you can book a flight from Newark Airport to Sofia (average of $223). Flying from Newark Airport to Sofia in June is currently the most expensive (average of $629). 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.

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 March 14, 2026.
Peruse reviews from past customers who have flown with Austrian Airlines,LOT, andUnited 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
901 reviews

Entertainment

6.8

Food

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Comfort

7.3

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
901 reviews
Austrian Airlines
7.6
Good
901 reviews

Entertainment

6.8

Food

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Comfort

7.3

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
1,184 reviews
Austrian Airlines
7.6
Good
901 reviews

Entertainment

6.8

Food

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Comfort

7.3

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
9,423 reviews
Austrian Airlines
7.6
Good
901 reviews

Entertainment

6.8

Food

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Comfort

7.3

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
7.3
Good
4,253 reviews
Austrian Airlines
7.6
Good
901 reviews

Entertainment

6.8

Food

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Comfort

7.3

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
7,848 reviews
Austrian Airlines
7.6
Good
901 reviews

Entertainment

6.8

Food

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Comfort

7.3

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 30m. 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, British Airways ($356), Austrian Airlines ($402), and United Airlines ($425) offers the cheapest pricing from Newark Airport to Sofia. These flights start at 47% lower than the current average price 3 months from now.

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

    $223 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.

  • Where are the most common layover locations when flying from Newark Airport to Sofia?

    Newark Airport to Sofia flights have a layover in Frankfurt am Main most of the time.

  • What are some popular things to do or see while on a layover in Frankfurt am Main?

    Most Frankfurt am Main visitors opt to spend their time experiencing Römerberg, Oper Frankfurt, and Konstablerwache. Römerberg, Oper Frankfurt, and Konstablerwache can be accessed by traveling approximately 7.4 mi, 7.0 mi, and 7.7 mi, respectively from Frankfurt am Main. Those on a layover in Frankfurt am Main in need of a rental car can book one at Frankfurt am Main for about $45.

  • Where are the least popular layover locations for Newark Airport to Sofia flights?

    Flights departing from Newark Airport and landing in Sofia layover in Vienna least frequently.

  • 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, October is the cheapest month in which you can book a flight from Newark Airport to Sofia (average of $223). Flying from Newark Airport to Sofia in June is currently the most expensive (average of $629). 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 March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$356Average$563FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$402Average$715FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$425Average$762FlexibilityNo cancel feeOn-time69%
LOTCheapest$437Average$613FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$448Average$795FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$512Average$789FlexibilityNo cancel feeOn-time77%

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