$355 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Sofia (SOF)

View $355 flight on Sun, Sep 6, 2026Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to Sofia Airport (SOF)

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Cheap Flights from Newark Liberty Intl. Airport to Sofia (EWR-SOF)

Prices were available within the past 7 days and start at $355 for one-way flights and $614 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Nov 4 - Wed, Nov 18
EWR
New York
SOF
Sofia
$614 Roundtrip, just found
$614
Roundtrip
just found
Select Lufthansa flight, departing Wed, Nov 4 from New York to Sofia, returning Wed, Nov 18, priced at $614 just found
United
Wed, Nov 4 - Wed, Nov 18
EWR
New York
SOF
Sofia
$614 Roundtrip, just found
$614
Roundtrip
just found
Select United flight, departing Wed, Nov 4 from New York to Sofia, returning Wed, Nov 18, priced at $614 just found
Lufthansa
Wed, Nov 4 - Wed, Nov 18
EWR
New York
SOF
Sofia
$617 Roundtrip, just found
$617
Roundtrip
just found
Select Lufthansa flight, departing Wed, Nov 4 from New York to Sofia, returning Wed, Nov 18, priced at $617 just found
Austrian Airlines
Wed, Nov 4 - Wed, Nov 18
EWR
New York
SOF
Sofia
$618 Roundtrip, just found
$618
Roundtrip
just found
Select Austrian Airlines flight, departing Wed, Nov 4 from New York to Sofia, returning Wed, Nov 18, priced at $618 just found
United
Wed, Aug 26 - Wed, Nov 18
EWR
New York
SOF
Sofia
$619 Roundtrip, found 4 days ago
$619
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 26 from New York to Sofia, returning Wed, Nov 18, priced at $619 found 4 days ago
United
Wed, Nov 4 - Wed, Nov 18
EWR
New York
SOF
Sofia
$620 Roundtrip, just found
$620
Roundtrip
just found
Select United flight, departing Wed, Nov 4 from New York to Sofia, returning Wed, Nov 18, priced at $620 just found
Austrian Airlines
Wed, May 6 - Wed, May 13
EWR
New York
SOF
Sofia
$621 Roundtrip, found 10 hours ago
$621
Roundtrip
found 10 hours ago
Select Austrian Airlines flight, departing Wed, May 6 from New York to Sofia, returning Wed, May 13, priced at $621 found 10 hours ago
Lufthansa
Wed, Nov 4 - Wed, Nov 18
EWR
New York
SOF
Sofia
$625 Roundtrip, just found
$625
Roundtrip
just found
Select Lufthansa flight, departing Wed, Nov 4 from New York to Sofia, returning Wed, Nov 18, priced at $625 just found
British Airways
Wed, Oct 21 - Wed, Nov 4
EWR
New York
SOF
Sofia
$632 Roundtrip, found 3 days ago
$632
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Oct 21 from New York to Sofia, returning Wed, Nov 4, priced at $632 found 3 days ago
Air Canada
Mon, Nov 2 - Mon, Nov 16
EWR
New York
SOF
Sofia
$635 Roundtrip, found 2 days ago
$635
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Nov 2 from New York to Sofia, returning Mon, Nov 16, priced at $635 found 2 days ago

Alternative airports near Sofia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sofia Airport SOF. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $777
SOF
Sofia Airport
CheapestClosest
Average driving time to city center11 min
Flights from $777

Frequently asked questions

How much does a flight from Newark Liberty Intl. Airport (EWR) to Sofia (SOF) cost?
You can find cheap one-way flights and cheap return flights from $614 Newark Liberty Intl. Airport (EWR) to Sofia (SOF) with Expedia. One-way flights typically cost between $347 and $4755, and return flights often range between $534 and $5816. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Newark Liberty Intl. Airport (EWR) to Sofia (SOF) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Newark Liberty Intl. Airport (EWR) to Sofia (SOF)?
November is the cheapest month to fly from Newark (EWR) to Sofia (SOF), with average round-trip fares around $483. This is about 34% lower than the average price throughout the year, as late fall often sees a dip in travel demand. Other economical months to consider for this route include January and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Newark Liberty Intl. Airport (EWR) to Sofia (SOF)?
Enter EWR to SOF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Newark Liberty Intl. Airport (EWR) to Sofia (SOF)?
Virgin Atlantic is one of the cheapest airlines offering connecting flights from Newark Liberty Intl. Airport (EWR) to Sofia (SOF), with round-trip tickets starting from around $854. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Newark Liberty Intl. Airport (EWR) to Sofia (SOF)?
To find a cheap flight from Newark Liberty Intl. Airport (EWR) to Sofia (SOF), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Newark Liberty Intl. Airport (EWR) to Sofia (SOF)?
The best time to fly from Newark Liberty International Airport (EWR) to Sofia (SOF) is typically in October or November. During these months, you can expect average return flight prices around $483. These months are ideal because they fall after the summer travel rush, leading to lower fares and a more relaxed travel experience.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Newark Liberty Intl. Airport (EWR) to Sofia (SOF)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from EWR to SOF. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Newark Liberty Intl. Airport (EWR) to Sofia (SOF)?
A flight from EWR to SOF with a layover takes around 11 hours, with the route covering approximately 4,725 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Newark Liberty Intl. Airport (EWR) to Sofia (SOF)?
You can fly business class between EWR and SOF. Airlines that offer business class service on this route include:

  • Austrian Airlines
  • Air France
  • United Airlines
  • Turkish Airlines
  • Air Canada
  • Lufthansa
  • British Airways
  • Emirates
  • Icelandair
  • Delta Air Lines

First class cabins are available on:

  • Swiss International Air Lines
  • Lufthansa
  • Emirates

How do I earn miles on a Newark Liberty Intl. Airport (EWR) to Sofia (SOF) flight with Expedia?
It's easy to earn miles on a Newark Liberty Intl. Airport (EWR) to Sofia (SOF) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Newark Liberty Intl. Airport (EWR) to Sofia (SOF) at the last minute?
Typically, booking a last minute flight from Newark Liberty Intl. Airport (EWR) to Sofia (SOF) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Newark Liberty Intl. Airport (EWR) to Sofia (SOF) flight and hotel package?
Securing a Newark Liberty Intl. Airport (EWR) to Sofia (SOF) Sofia Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Newark Liberty Intl. Airport (EWR) to Sofia (SOF)?
If you booked your Newark Liberty Intl. Airport (EWR) to Sofia (SOF) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Newark Liberty Intl. Airport
Destination airport
Sofia
Airlines serving
Aegean, Air Canada, Air France, Austrian Airlines, British Airways, Iberia, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$614
Distance
4724 mi

Book with confidence

Newark Liberty Intl. Airport to Sofia Flights

The cheapest times to fly from Newark Liberty Intl. Airport to Sofia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Newark Liberty Intl. Airport to Sofia are during the month of November. You can find some of the cheapest flights from Newark Liberty Intl. Airport to Sofia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Newark Liberty Intl. Airport to Sofia

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport to Sofia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Newark Liberty Intl. Airport to Sofia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Newark Liberty Intl. Airport to Sofia in 2026. You can also book with separate airlines for your outbound and return journeys, from $355 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Newark Liberty Intl. Airport to Sofia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Newark Liberty Intl. Airport to Sofia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Newark Liberty Intl. Airport to Sofia Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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