Question 1

Why should I use momondo to find a flight deal to Sofia?

Accepted Answer

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Sofia. Millions of users trust and use momondo every year so you are in good company.

Question 2

Can I find flights to Sofia with flexible booking policies on momondo?

Accepted Answer

Flights to Sofia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

Question 3

How can momondo help me find flights to Sofia?

Accepted Answer

Once you have performed a search for flights to Sofia, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

Question 4

I’m not ready to book a flight to Sofia right now. Can momondo alert me if prices change?

Accepted Answer

If you are simply researching potential flights to Sofia, momondo offers a useful price alert feature which will track prices for flights to Sofia and alert you when they change.

Question 5

How far in advance should I book a flight to Sofia?

Accepted Answer

The best time to book a flight to Sofia from United States is 84 days out, which is when prices tend to be around $733. In the past 72 hours, momondo users found flights from United States to Sofia for as low as $571.

Question 6

Is there an alternative airport near Sofia?

Accepted Answer

Plovdiv Airport can be an alternative airport used for travel to Sofia.

Question 7

Is there a cheaper alternative to flying into Sofia?

Accepted Answer

With an average price of $341 per person, Plovdiv Airport is the cheapest airport to fly into when planning your trip to Sofia. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

Question 8

What is the absolute cheapest flight to Sofia?

Accepted Answer

In the past two weeks, users have booked deals to Sofia for $43/person, which is 87% cheaper than the average flight to Sofia. To find the cheapest price to Sofia from your area, use momondo’s Airport-to-Airport Pricing Tool.

Question 9

Which airlines fly to Sofia?

Accepted Answer

Lufthansa, Turkish Airlines, United Airlines and LOT are the most popular airlines that fly from United States to Sofia on a routine basis, according to our data. You should be able to find flights to Sofia with these airlines and other airlines flying from United States.

Question 10

KLM Flights to Sofia

Accepted Answer

7 KLM flights head to Sofia on average each week. Most will be flying from Amsterdam Schiphol to Sofia, the most popular route that KLM operates to Sofia. Prices vary based on when and where you fly from - the cheapest KLM flight to Sofia found in the past 3 days on momondo was $432, departing from Atlanta Hartsfield-Jackson. KLM is the most popular choice on momondo for this route and has been scored 7.8/10 by 1,387 of our users.

Question 11

SWISS Flights to Sofia

Accepted Answer

SWISS (7.6/10, 1,711 reviews) is also a popular choice for flights to Sofia, with deals from as low as $401 from Boston Logan Intl, round-trip. With 6 SWISS flights to Sofia on average each week, prices can vary significantly by origin and availability.

Question 12

When did momondo last update prices for flights to Sofia Airport?

Accepted Answer

Prices for flights to Sofia Airport refresh daily.

Question 13

How many operators does momondo search for flights to Sofia Airport?

Accepted Answer

The number of operators available for flights to Sofia Airport is 33 as of August 2025.

Question 14

How old do you have to be to fly to Sofia Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Sofia Airport.

Question 15

What documentation or ID do you need to fly to Sofia Airport?

Accepted Answer

The necessary travel and health documents for your Sofia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Question 16

What is the cheapest month to fly to Sofia?

Accepted Answer

The cheapest month to fly to Sofia from United States is in November. Flight prices, which tend to average around $619, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Sofia from United States during March instead. Flights to Sofia in March, while not as cheap as those in November, still average around $635.

Question 17

How long does it take to fly to Sofia?

Accepted Answer

Flight times vary depending on what airport in United States you fly out of and what airport in Sofia you fly into. For example, flying from Los Angeles to Sofia takes 19h 15m on average. On the other hand, flying from Miami to Sofia takes 15h on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

Question 18

How far in advance should I book a flight to Sofia?

Accepted Answer

You are more likely to see cheaper flights to Sofia from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $727 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from United States for as low as $638 on momondo.

Question 19

What is the cheapest day to depart on your flight to Sofia?

Accepted Answer

According to our data, Monday is the cheapest day to fly to Sofia from United States. The lowest ticket price found for a Monday departure recently was $795. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from United States to Sofia on a Saturday will generally be more expensive and average around $1,032. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 20

What is the cheapest time of day to depart on your flight to Sofia?

Accepted Answer

At noon is the cheapest time of day to fly from United States to Sofia when you can find flight prices for as low as $618. Flying to Sofia at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sofia, so prices are often more expensive at around $969 per ticket.

CHEAPEST MONTH TO FLY TO SOFIA FROM LOS ANGELES	February	24% cheaper	Flying from Los Angeles to Sofia costs on average just $636 in February
MOST EXPENSIVE MONTH TO FLY TO SOFIA FROM LOS ANGELES	June	56% more expensive	It costs about $1,303 for flights to Sofia from Los Angeles in June
MOST POPULAR MONTH TO FLY TO SOFIA FROM LOS ANGELES	June	526% more users visited	More momondo users searched in flights to Sofia from Los Angeles in June than any other month

Best One-Way Price	$225
Best Round-Trip Price	$439
Fastest flight time	13h 15m
Popular in	December

$225 Cheap flights to Sofia

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Sofia departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United States to Sofia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

momondo Fare Finder

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

See travel insights to Sofia from

Sofia flights insights and trends

Explore insights for your Sofia flight to craft the best travel plan

What is the cheapest month to fly to Sofia?

What is the cheapest day to depart on your flight to Sofia?

What is the cheapest time of day to depart on your flight to Sofia?

How far in advance should I book a flight to Sofia?

How long does it take to fly to Sofia?

Cheapest flights to Sofia

Find the cheapest flights to Sofia from your nearest city or airport

Cheap Sofia flight deals and tips

Summary info about Sofia flight prices, duration and airlines

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Sofia

How far in advance should I book a flight to Sofia?

Is there an alternative airport near Sofia?

Is there a cheaper alternative to flying into Sofia?

What is the absolute cheapest flight to Sofia?

When did momondo last update prices for flights to Sofia Airport?

How many operators does momondo search for flights to Sofia Airport?

How old do you have to be to fly to Sofia Airport?

What documentation or ID do you need to fly to Sofia Airport?

Traveling to a place near Sofia?

Why use momondo?

Why should I use momondo to find a flight deal to Sofia?

Can I find flights to Sofia with flexible booking policies on momondo?

How can momondo help me find flights to Sofia?

I’m not ready to book a flight to Sofia right now. Can momondo alert me if prices change?

An easier way to manage your Sofia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Sofia

Popular flights to Sofia

Popular routes according to searches in the past day on momondo