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$219+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SOF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Newark to Sofia are usually found in September or November, booked 39 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap 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 September 11, 2025.

Round-trip from

$550
(Austrian Airlines)

One-way from

$219
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$603
From Newark to Sofia
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One-way flight from Newark to Sofia
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Highest demand for flights based on searches. 8% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Austrian Airlines deal was found by Cheapflights users on 9/10. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:55 pmEWR - SOF
1 stop10h 55mAustrian Airlines
Thu 1/86:45 pmSOF - EWR
1 stop26h 10mAustrian Airlines
Deal found 9/10$550
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 12/255:55 pmEWR - SOF
1 stop10h 55mAustrian Airlines
Fri 1/97:55 amSOF - EWR
1 stop13h 00mAustrian Airlines
Deal found 9/10$551
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:45 pmEWR - SOF
2 stops22h 15mUnited Airlines
Wed 9/176:15 amSOF - EWR
2 stops37h 44mUnited Airlines
Deal found 9/9$554
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:00 pmEWR - SOF
1 stop12h 15mUnited Airlines
Mon 10/1312:45 pmSOF - EWR
2 stops15h 54mUnited Airlines
Deal found 9/10$556
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:15 amEWR - SOF
2 stops28h 05mMultiple Airlines
Mon 11/1712:00 pmSOF - EWR
2 stops34h 30mMultiple Airlines
Deal found 9/11$558
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:25 amEWR - SOF
1 stop13h 25mTurkish Airlines
Thu 11/1310:05 amSOF - EWR
1 stop19h 25mTurkish Airlines
Deal found 9/10$559
This Air France deal was found by Cheapflights users on 9/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:30 pmEWR - SOF
1 stop11h 30mAir France
Mon 9/157:00 amSOF - EWR
1 stop15h 00mAir France
Deal found 9/9$560
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:55 amEWR - SOF
2 stops27h 30mMultiple Airlines
Thu 11/136:30 amSOF - EWR
3 stops40h 00mMultiple Airlines
Deal found 9/10$561
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:50 pmEWR - SOF
1 stop14h 30mLufthansa
Mon 12/221:55 pmSOF - EWR
1 stop12h 10mLufthansa
Deal found 9/9$562
This oojo deal was found by Cheapflights users on 9/9. 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.
Sat 10/1812:30 amEWR - SOF
1 stop12h 55mTurkish Airlines
Tue 11/410:05 amSOF - EWR
1 stop19h 25mTurkish Airlines
Deal found 9/9$563
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/11:25 amEWR - SOF
1 stop13h 25mTurkish Airlines
Sun 11/164:00 pmSOF - EWR
1 stop13h 30mTurkish Airlines
Deal found 9/10$564
This Austrian Airlines deal was found by Cheapflights users on 9/10. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:55 pmEWR - SOF
1 stop10h 55mAustrian Airlines
Wed 11/127:55 amSOF - EWR
1 stop13h 00mAustrian Airlines
Deal found 9/10$565

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 September 11, 2025.
Use the filters below to find and compare flights from Newark Airport to Sofia that are best for you.

Fly from

Newark

Fly to

Sofia

Route

Depart

Return

Price

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sat 12/27

5:55 pm-11:50 am

1 stop10h 55m

Sofia

Fri 1/9

7:55 am-1:55 pm

1 stop13h 00m

$550

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sat 12/27

5:55 pm-11:50 am

1 stop10h 55m

Sofia

Thu 1/8

6:45 pm-1:55 pm

1 stop26h 10m

$550

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 10/29

12:55 am-10:25 am

2 stops27h 30m

Sofia

Thu 11/13

6:30 am-3:30 pm

3 stops40h 00m

$561

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sat 10/11

5:40 pm-3:20 pm

1 stop14h 40m

Sofia

Sat 10/25

7:25 pm-8:05 pm

1 stop31h 40m

$569

NewarkSofia

EWR - SOF

EWRSOF

Newark

Fri 2/6

12:25 am-3:10 pm

1 stop31h 45m

Sofia

Sat 2/21

10:05 am-10:30 pm

1 stop19h 25m

$573

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 3/1

5:00 pm-1:10 pm

1 stop13h 10m

Sofia

Thu 3/5

7:55 am-1:55 pm

1 stop13h 00m

$573

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 10/26

3:30 pm-6:45 pm

2 stops21h 15m

Sofia

Fri 10/31

5:00 am-9:42 am

3 stops34h 42m

$573

NewarkSofia

EWR - SOF

EWRSOF

Newark

Thu 1/8

10:00 pm-1:15 pm

2 stops32h 15m

Sofia

Thu 1/22

4:00 pm-8:30 pm

1 stop35h 30m

$579

NewarkSofia

EWR - SOF

EWRSOF

Newark

Thu 12/25

5:55 pm-11:50 am

1 stop10h 55m

Sofia

Sun 1/11

7:55 am-1:55 pm

1 stop13h 00m

$599

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sat 12/13

6:55 pm-10:45 pm

2 stops44h 50m

Sofia

Sat 12/27

6:25 am-7:18 am

2 stops31h 53m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 17 results
1
2

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 August 29, 2025.

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, November is the cheapest month in which you can book a flight from Newark Airport to Sofia (average of $632). Flying from Newark Airport to Sofia in June is currently the most expensive (average of $1,185). 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 EWR to SOF?

Find hourly flight availability from Newark 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 September 11, 2025.

When flying from Newark Airport to Sofia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 23% versus a flight in the afternoon.

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 September 11, 2025.
Peruse reviews from past customers who have flown with LOT, Austrian Airlines, and United 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.
LOT
7.6
Good
1,114 reviews

Comfort

7.5

Overall

7.6

Boarding

7.6

Entertainment

7.0

Food

7.2

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
LOT
7.6
Good
1,114 reviews
LOT
7.6
Good
1,114 reviews

Comfort

7.5

Overall

7.6

Boarding

7.6

Entertainment

7.0

Food

7.2

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Austrian Airlines
7.6
Good
850 reviews
LOT
7.6
Good
1,114 reviews

Comfort

7.5

Overall

7.6

Boarding

7.6

Entertainment

7.0

Food

7.2

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
United Airlines
7.4
Good
8,937 reviews
LOT
7.6
Good
1,114 reviews

Comfort

7.5

Overall

7.6

Boarding

7.6

Entertainment

7.0

Food

7.2

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Turkish Airlines
7.3
Good
3,968 reviews
LOT
7.6
Good
1,114 reviews

Comfort

7.5

Overall

7.6

Boarding

7.6

Entertainment

7.0

Food

7.2

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Lufthansa
6.8
Okay
7,409 reviews
LOT
7.6
Good
1,114 reviews

Comfort

7.5

Overall

7.6

Boarding

7.6

Entertainment

7.0

Food

7.2

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again

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?

    Austrian Airlines and Turkish Airlines can get you from Newark Airport to Sofia in just under 10h 55m. Your travel time can differ by up to 20h 50m. 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, Air France ($420), United Airlines ($428), and LOT ($437) offers the cheapest pricing from Newark Airport to Sofia. These flights start at 49% lower than the current average price 3 months from now.

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

    Newark Airport to Sofia flights have a layover in Vienna most of the time.

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

    Most Vienna visitors opt to spend their time experiencing Musikverein, Stephansplatz, and Austria Center Vienna. Musikverein, Stephansplatz, and Austria Center Vienna can be accessed by traveling approximately 10.6 mi, 11.0 mi, and 10.8 mi, respectively from Vienna Intl. Those on a layover in Vienna in need of a rental car can book one at Vienna Intl for about $40.

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

    Flights departing from Newark Airport and landing in Sofia layover in Frankfurt am Main 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, November is the cheapest month in which you can book a flight from Newark Airport to Sofia (average of $632). Flying from Newark Airport to Sofia in June is currently the most expensive (average of $1,185). 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
LaGuardia to Sofia flights
Stewart 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$420Average$725FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$428Average$827FlexibilityNo cancel feeOn-time69%
LOTCheapest$437Average$641FlexibilityNo cancel feeOn-time81%
Austrian AirlinesCheapest$471Average$904FlexibilityNo cancel feeOn-time78%
Turkish AirlinesCheapest$503Average$755FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$558Average$865FlexibilityNo cancel feeOn-time76%

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