How long is the flight from USA to Sofia?

For as low as $434, United Airlines can have you in Sofia from USA in 13h 20m. Airlines will cover a distance of 4721 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines to fly from USA to Sofia one-way?

The cheapest airline one-way is Air Serbia, with whom users have recently found tickets for as low as $287. However, be on the lookout for offers from Air France and Turkish Airlines, as they are both options that can get you from USA to Sofia for a low price.

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

Currently, October is the cheapest month in which you can book a flight from USA to Sofia (average of $233). Flying from USA to Sofia in May is currently the most expensive (average of $572). 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 day to fly from USA to Sofia?

Travelers seeking maximum savings on their USA to Sofia flight should consider departing on Sunday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular routes from USA to Sofia?

The most popular flight routes from USA to Sofia are Chicago O'Hare Intl - Sofia, Dallas/Fort Worth - Sofia and New York John F Kennedy Intl - Sofia.

What are the most popular airlines that fly from USA to Sofia?

Lufthansa, Turkish Airlines and United Airlines are the most popular airlines when flying from USA to Sofia.

What is the cheapest time of day to fly from US to SOF?

It’s optimal to fly from USA to Sofia at noon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the morning.

What airport do you fly into for flights to Sofia from United States?

Located just 4.2 mi from the city center, Sofia (SOF) is the airport most travelers will use when flying to Sofia from United States.

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

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

How can I find direct flights from USA to Sofia?

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

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

Yes. Cheapflights offers flight deals from USA 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.

$174+ Flights from the United States to Sofia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$333 (Kiwi.com)
One-way from	$174 (Kiwi.com)
Popular in	December
Cheapest in	November
Average price	$985

Turkish Airlines Economy offers a travel set with sleep mask, ear plugs, and toiletries on flights over five hours.

Turkish Airlines Business Class features lie-flat seats, Ferragamo travel sets, and Denon noise-canceling headphones.

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$356	Average$797	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$380	Average$784	FlexibilityNo cancel fee	On-time75%
Austrian Airlines	Cheapest$398	Average$816	FlexibilityNo cancel fee	On-time78%
SWISS	Cheapest$401	Average$923	FlexibilityNo cancel fee	On-time79%
Air France	Cheapest$416	Average$737	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$428	Average$870	FlexibilityNo cancel fee	On-time69%
LOT	Cheapest$437	Average$873	FlexibilityNo cancel fee	On-time81%
Lufthansa	Cheapest$449	Average$913	FlexibilityNo cancel fee	On-time76%
JetBlue	Cheapest$478	Average$984	FlexibilityNo cancel fee	On-time62%
ITA Airways	Cheapest$505	Average$1,062	FlexibilityNo cancel fee	On-time81%

$174+ Cheap flights from the United States 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from USA to Sofia

Cheapest flights from USA to SofiaExplore the most affordable flight options available from USA to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

Explore the most affordable flight options available from USA to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.

Find flight deals from USA to Sofia

Keep the following information in mind while searching for USA to Sofia flight deals. Data was last updated December 9, 2025.

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Round-trip from

One-way from

Popular in

Cheapest in

Average price

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Use the filters below to find and compare flights from the United States to Sofia that are best for you.

Best time to book a flight from USA to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from USA with our price prediction graph.

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Everything you need to know about your flight from the United States to Sofia

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

What is the cheapest time of day to fly from US to SOF?

Find hourly flight availability from USA 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 December 9, 2025.

What is the cheapest day to fly from USA to Sofia?

Use this chart to determine the cheapest time to fly round-trip from USA to Sofia. Price data was last updated on December 16, 2024.

The best insider tips for theUnited States to Sofia flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Sofia trip

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Reviews of airlines servicing Sofia

Peruse reviews from past customers who have flown with KLM, LOT, and United Airlines from the United States 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.

Related info for your journey

Find useful and relevant information for your journey from USA 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 United States?

How long is the flight from USA to Sofia?

What are the cheapest airlines to fly from USA to Sofia one-way?

What are the most popular routes from USA to Sofia?

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

How can I find direct flights from USA to Sofia?

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

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

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Alternative routes for USA to Sofia

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Cheapest flights from USA to Sofia
Explore the most affordable flight options available from USA to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.