Which layover airport offers the lowest fares from Washington, D.C. to Sofia?

Flights via Zurich (ZRH) offer the lowest average round-trip price of $626.

What airlines fly to Sofia?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Sofia from Washington, D.C. according to our data. Lufthansa is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 6 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Washington, D.C. to Sofia?

Vienna (VIE) has the shortest average layover time for this route: 1h 31m.

Which airport is the most popular layover for flights between Washington, D.C. and Sofia?

Istanbul (IST) was the most common stop: 35% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Washington, D.C. to Sofia?

British Airways, Lufthansa, and Air France are the most popular carriers operating from Washington, D.C. to Sofia

How long does it take to fly to Sofia?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Sofia you fly into. For example, flying from Washington, D.C. to Sofia takes 12h 27m on average. On the other hand, flying from Baltimore to Sofia takes 12h 45m 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.

Which layover airport has the shortest travel time from Washington, D.C. to Sofia?

Flights connecting via Vienna (VIE) have the shortest average one-way travel time: 11h 04m.

Which airlines fly direct from Washington, DC to Sofia?

Unfortunately, there are no airlines currently offering direct flights from Washington, DC, to Sofia. All the airlines operating on this route make one or two stops along the way before getting to the final destination in Sofia. Lufthansa, Turkish Airlines, and United Airlines are some of the airlines offering one-stop flights from Washington, DC, to Sofia. Washington Dulles International Airport (IAD) is the departure airport for all one-stop Sofia-bound flights, while Sofia International Airport (SOF) is the destination airport. If you book Lufthansa or United Airlines, you will have a 1h 40min layover at Frankfurt Airport (FRA). On the other hand, if you book Turkish Airlines, you will make a 4 hours stop at Istanbul Airport (IST) before proceeding to SOF. Air Canada and American Airlines are examples of airlines that make two stops along the way when flying from Washington, DC, to Sofia. If you book American Airways, you will be departing from Ronald Reagan Washington National Airport (DCA) and makes brief stops at LaGuardia Airport (LGA) and London Heathrow (LHR) before proceeding to SOF. What is the best way to get in and out of airports in Washington, DC, and Sofia? Whether you want to catch up with your flight from Washington Dulles International Airport (IAD) or Ronald Reagan Washington National Airport (DCA), there are several transport options to enable you to connect to the airport conveniently from the city center. For IAD, Silver Line Express Bus provides the most reliable and affordable means of transport. The bus takes about 15 minutes to arrive at the airport from the city center. For DCA, five bus lines connect directly from the city center to the airport. These bus lines are; 23B, 43, 482, DC1, and MW1. Other than buses, taxis are also a suitable alternative means of transport, especially if you are rushing against time. Upon landing at Sofia International Airport (SOF), you have the option of using buses, car rentals, or taxis to connect to get out of the airport to your preferred destinations. Out of these, buses are not only reliable but more affordable. In particular, Bus Line 384 connects directions from Terminal 2 of the airport to Sofia city center. What are the benefits of the different airports in Washington, DC, and Sofia? When flying from Washington, DC, you can choose to depart from either Washington Dulles International Airport (IAD) or Ronald Reagan Washington National Airport (DCA). The advantage of departing from IAD is that you can reliably get a flight that suits your schedule. This is because the airport records the highest number of Sofia-bound flights per day. Additionally, all the quickest flights (one-stop flights) to Sofia have IAD as the departure airport. On the other hand, the benefit of using DCA is that you have higher chances of getting cheaper flight deals. Since this is a less popular route among those traveling to Sofia from Washington, DC, most airlines where commonly offer discounts and other exciting deals to attract more customers. There is only one international airport in Sofia, the Sofia International Airport (SOF). One outstanding benefit of landing at SOF is that you have convenient access to a variety of transport options, which make your movement out of the airport quite easier. Which cities can you get to from Sofia International Airport? Apart from serving as the entry point for international travelers coming to Sofia, Sofia International Airport (SOF) also serves as the arrival airport for those seeking to connect to Bozhurishte, Novi Iskar, and Bankya. At SOF, you have several transport options to enable you to connect to these cities near Sofia. However, car rentals provide the most convenient and flexible means of getting out of the airport to Bozhurishte, Novi Iskar, and Bankya. With your rental car, you have the liberty of deciding your departure times and routes to follow. With these, you can take advantage of routes that have light traffic and save considerable time. For example, it takes about 30 minutes to self-drive from SOF to Bozhurishte.

When did momondo last update prices for flights from Washington, D.C. to Sofia Airport?

Prices for flights from Washington, D.C. to Sofia Airport were last updated today.

How many operators does momondo search for flights from Washington, D.C. to Sofia Airport?

The number of operators available for flights from Washington, D.C. to Sofia Airport is 6 as of September 2025.

How old do you have to be to fly from Washington, D.C. to Sofia Airport?

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 from Washington, D.C. to Sofia Airport.

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

The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$260 Cheap Flights from Washington, D.C. to Sofia in 2025/26

Q: What is the typical price of a round-trip flight between Washington, D.C. and Sofia?

Prices are currently low for flights on this route. Typical prices usually range from $587 to $831. The lowest price recently found on this route was $523.

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Find the cheapest flights from Washington, D.C. to Sofia

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 pm - 1:50 pmIAD-SOF

12h 50m1 stop

7:55 am - 2:40 pmSOF-IAD

13h 45m1 stop

$523Multiple Airlines

Find Deal

Wed, Jan 14 - Wed, Jan 28

6:00 pm - 1:45 pmIAD-SOF

12h 45m1 stop

6:00 am - 3:50 pmSOF-IAD

16h 50m1 stop

$527Lufthansa

Find Deal

Tue, Jan 13 - Tue, Jan 27

6:00 pm - 11:50 amIAD-SOF

10h 50m1 stop

7:55 am - 2:40 pmSOF-IAD

13h 45m1 stop

$536Austrian Airlines

Find Deal

Wed, Nov 5 - Wed, Nov 19

1:30 pm - 2:45 pmIAD-SOF

18h 15m1 stop

9:25 am - 11:45 amSOF-IAD

33h 20m1 stop

$538Turkish Airlines

Find Deal

Tue, Sep 30 - Wed, Oct 8

9:15 pm - 3:10 pmIAD-SOF

34h 55m1 stop

9:40 pm - 11:45 amSOF-IAD

21h 05m1 stop

$547Turkish Airlines

Find Deal

Thu, Jan 15 - Thu, Jan 29

9:35 pm - 4:20 pmBWI-SOF

12h 45m1 stop

5:25 pm - 6:45 pmSOF-BWI

32h 20m1 stop

$548British Airways

Find Deal

Sun, Oct 26 - Mon, Nov 10

7:20 pm - 4:20 pmIAD-SOF

15h 00m1 stop

5:25 pm - 3:35 pmSOF-IAD

29h 10m1 stop

$548British Airways

Find Deal

Sun, Oct 26 - Mon, Nov 10

6:40 pm - 1:15 pmIAD-SOF

12h 35m1 stop

1:50 pm - 4:20 pmSOF-IAD

33h 30m2 stops

$572United Airlines

Find Deal

Mon, Mar 16 - Mon, Mar 30

5:15 pm - 11:40 amIAD-SOF

35h 25m2 stops

4:05 pm - 2:35 pmSOF-IAD

29h 30m1 stop

$596Austrian Airlines

Find Deal

Mon, Oct 6 - Mon, Oct 20

10:55 pm - 10:45 pmIAD-SOF

16h 50m1 stop

6:10 am - 11:23 amSOF-IAD

36h 13m2 stops

$601United Airlines

Find Deal

Sun, Nov 9 - Sun, Nov 23

Turkish Airlines flights from Washington, D.C. to Sofia

Our best Turkish Airlines deals on Washington, D.C. to Sofia flight tickets

Turkish Airlines

Sep 30

IAD1:30 pmWashington, D.C. Dulles Intl

18h 15m

1 stop

SOF2:45 pmSofia

Oct 8

SOF9:25 amSofia

33h 20m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$538

Find similar

Turkish Airlines

Jan 15

IAD9:15 pmWashington, D.C. Dulles Intl

34h 55m

1 stop

SOF3:10 pmSofia

Jan 29

SOF9:40 pmSofia

21h 05m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$547

Find similar

Turkish Airlines

Sep 28

IAD9:40 pmWashington, D.C. Dulles Intl

27h 55m

1 stop

SOF8:35 amSofia

Oct 9

SOF9:25 amSofia

17h 20m

1 stop

IAD7:45 pmWashington, D.C. Dulles Intl

$556

Find similar

Lufthansa flights from Washington, D.C. to Sofia

Our best Lufthansa deals on Washington, D.C. to Sofia flight tickets

Lufthansa

Jan 13

IAD6:00 pmWashington, D.C. Dulles Intl

12h 45m

1 stop

SOF1:45 pmSofia

Jan 27

SOF6:00 amSofia

16h 50m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

$527

Find similar

Lufthansa

Nov 5

IAD10:55 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

SOF6:20 pmSofia

Nov 19

SOF6:10 amSofia

16h 40m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

$546

Find similar

Lufthansa

Oct 31

IAD11:55 pmWashington, D.C. Dulles Intl

16h 50m

1 stop

SOF10:45 pmSofia

Nov 7

SOF6:10 amSofia

16h 40m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

$597

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 1/14

6:00 pm-1:50 pm

1 stop12h 50m

Sofia

Wed 1/28

7:55 am-2:40 pm

1 stop13h 45m

$523

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 1/13

6:00 pm-1:45 pm

1 stop12h 45m

Sofia

Tue 1/27

6:00 am-3:50 pm

1 stop16h 50m

$527

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 11/5

6:00 pm-11:50 am

1 stop10h 50m

Sofia

Wed 11/19

7:55 am-2:40 pm

1 stop13h 45m

$536

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 9/30

1:30 pm-2:45 pm

1 stop18h 15m

Sofia

Wed 10/8

9:25 am-11:45 am

1 stop33h 20m

$538

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Thu 1/15

9:15 pm-3:10 pm

1 stop34h 55m

Sofia

Thu 1/29

9:40 pm-11:45 am

1 stop21h 05m

$547

BaltimoreSofia

BWI - SOF

BWISOF

Baltimore/Washington

Sun 10/26

9:35 pm-4:20 pm

1 stop12h 45m

Sofia

Mon 11/10

5:25 pm-6:45 pm

1 stop32h 20m

$548

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 10/26

7:20 pm-4:20 pm

1 stop15h 00m

Sofia

Mon 11/10

5:25 pm-3:35 pm

1 stop29h 10m

$548

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 3/16

6:40 pm-1:15 pm

1 stop12h 35m

Sofia

Mon 3/30

1:50 pm-4:20 pm

2 stops33h 30m

$572

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 10/6

5:15 pm-11:40 am

2 stops35h 25m

Sofia

Mon 10/20

4:05 pm-2:35 pm

1 stop29h 30m

$596

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 11/9

10:55 pm-10:45 pm

1 stop16h 50m

Sofia

Sun 11/23

6:10 am-11:23 am

2 stops36h 13m

$601

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Sofia?

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Washington, D.C. is in November. Flight prices, which tend to average around $593, 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 Washington, D.C. during February instead. Flights to Sofia in February, while not as cheap as those in November, still average around $620.

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

According to our data, Wednesday is the cheapest day to fly to Sofia from Washington, D.C.. The lowest ticket price found for a Wednesday departure recently was $876. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Washington, D.C. to Sofia on a Saturday will generally be more expensive and average around $1,037. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

At noon is the cheapest time of day to fly from Washington, D.C. to Sofia when you can find flight prices for as low as $623. 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 $1,053 per ticket.

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

You are more likely to see cheaper flights to Sofia from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $845 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Washington, D.C. for as low as $679 on momondo.

Can stopping save me money on Washington, D.C. to Sofia flights?

You could potentially save up to 24% on your flight if you consider stops on a Washington, D.C. to Sofia flight.

When to book flights from Washington, D.C. to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Sofia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Sofia (WAS to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Sofia

Direct flights	None

There are no direct flights from Washington, D.C. to Sofia. There are no popular flight routes from Washington, D.C. to Sofia.

Search flight deals

How far is Washington, D.C. to Sofia by plane?
The straight-line distance from Washington, D.C. to Sofia is 4912.7 mi. A reasonable flight in good conditions will take 10h 50m.
When did momondo last update prices for flights from Washington, D.C. to Sofia Airport?
Prices for flights from Washington, D.C. to Sofia Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Sofia Airport?
The number of operators available for flights from Washington, D.C. to Sofia Airport is 6 as of September 2025.
How old do you have to be to fly from Washington, D.C. to Sofia Airport?
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 from Washington, D.C. to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Sofia?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Sofia is Lufthansa, representing 33% of all bookings. The subsequent popular airlines are Turkish Airlines at 27%, United Airlines at 23%, and Austrian Airlines at 8%.

Best airlines flying from Washington, D.C. to Sofia

Compare and see reviews for airlines that fly from Washington, D.C. to Sofia with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $552	Free Cancellation	Rating 7.3 3,965 reviews	Search Turkish Airlines flights
SWISS	PriceFrom $552	Free Cancellation	Rating 7.6 1,737 reviews	Search SWISS flights
United Airlines	PriceFrom $679	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Lufthansa	PriceFrom $691	Free Cancellation	Rating 6.8 7,409 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom $719	Free Cancellation	Rating 7.6 850 reviews	Search Austrian Airlines flights
ITA Airways	PriceFrom $951	Free Cancellation	Rating 6.7 1,036 reviews	Search ITA Airways flights

Bansko

Borovets

Velingrad

Sandanski

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Why should I use momondo to find a flight deal from Washington, D.C. to Sofia?

Finding the right flight to Sofia from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sofia quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Sofia with flexible booking policies on momondo?

Yes. All flights to Sofia from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Sofia?

Once all potential Washington, D.C. to Sofia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Washington, D.C. to Sofia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sofia and let you know when they change.

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Cheap flights from Washington, D.C. to Sofia from $260

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Sofia departing on 11/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Washington, D.C. to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. and Sofia?

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?

Can stopping save me money on Washington, D.C. to Sofia flights?

You could potentially save up to 24% on your flight if you consider stops on a Washington, D.C. to Sofia flight.

What is the cheapest airline that flies from Washington, D.C. to Sofia?

British Airways, Lufthansa, and Air France are the most popular carriers operating from Washington, D.C. to Sofia

What airlines fly to Sofia?

Which airport is the most popular layover for flights between Washington, D.C. and Sofia?

Istanbul (IST) was the most common stop: 35% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. to Sofia?

Flights via Zurich (ZRH) offer the lowest average round-trip price of $626.

Which layover airport has the shortest travel time from Washington, D.C. to Sofia?

Flights connecting via Vienna (VIE) have the shortest average one-way travel time: 11h 04m.

Which layover airport has the shortest connection time from Washington, D.C. to Sofia?

Vienna (VIE) has the shortest average layover time for this route: 1h 31m.

How long does it take to fly to Sofia?

When to book flights from Washington, D.C. to Sofia

Cheap Washington, D.C. to Sofia (WAS to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Sofia

Direct flights

How far is Washington, D.C. to Sofia by plane?

When did momondo last update prices for flights from Washington, D.C. to Sofia Airport?

How many operators does momondo search for flights from Washington, D.C. to Sofia Airport?

How old do you have to be to fly from Washington, D.C. to Sofia Airport?

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

What is the most popular airline from Washington, D.C. to Sofia?

Best airlines flying from Washington, D.C. to Sofia

Compare and see reviews for airlines that fly from Washington, D.C. to Sofia with momondo

Traveling to a place near Sofia?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Sofia?

Can I find flights from Washington, D.C. to Sofia with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Sofia?

I’m not ready to book a flight from Washington, D.C. 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 Bulgaria

Fly your favorite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo