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Cheap Flights from Sofia (SOF) to Washington D.C. (IAD)

Compare Sofia to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Sofia to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Sofia Airport to Washington Dulles Airport? If you want to travel next month, return fares start from $1,108. Find the lowest prices on one-way and return tickets right here.
Washington D.C..$892 per passenger.Departing Fri, 2 Oct, returning Fri, 23 Oct.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Fri, 2 Oct, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Fri, 23 Oct, arriving in Sofia.Price includes taxes and charges.From $892, select.
Washington D.C..$892 per passenger.Departing Wed, 2 Sep, returning Sun, 13 Sep.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Wed, 2 Sep, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Sun, 13 Sep, arriving in Sofia.Price includes taxes and charges.From $892, select.
Washington D.C..$894 per passenger.Departing Fri, 25 Sep, returning Sat, 3 Oct.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Fri, 25 Sep, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Sat, 3 Oct, arriving in Sofia.Price includes taxes and charges.From $894, select.
Washington D.C..$899 per passenger.Departing Mon, 7 Dec, returning Mon, 22 Feb.Return flight with KLM.Outbound indirect flight with KLM, departs from Sofia on Mon, 7 Dec, arriving in Washington Dulles.Inbound indirect flight with KLM, departs from Washington Dulles on Mon, 22 Feb, arriving in Sofia.Price includes taxes and charges.From $899, select.
Washington D.C..$918 per passenger.Departing Sat, 6 Feb, returning Sat, 20 Feb.Return flight with KLM.Outbound indirect flight with KLM, departs from Sofia on Sat, 6 Feb, arriving in Washington Dulles.Inbound indirect flight with KLM, departs from Washington Dulles on Sat, 20 Feb, arriving in Sofia.Price includes taxes and charges.From $918, select.
Washington D.C..$1,009 per passenger.Departing Wed, 12 Aug, returning Tue, 15 Sep.Return flight with Air France.Outbound indirect flight with Air France, departs from Sofia on Wed, 12 Aug, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Tue, 15 Sep, arriving in Sofia.Price includes taxes and charges.From $1,009, select.
Washington D.C..$1,011 per passenger.Departing Wed, 1 Jul, returning Tue, 1 Sep.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Wed, 1 Jul, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Tue, 1 Sep, arriving in Sofia.Price includes taxes and charges.From $1,011, select.
Washington D.C..$1,026 per passenger.Departing Thu, 6 Aug, returning Wed, 19 Aug.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Thu, 6 Aug, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Wed, 19 Aug, arriving in Sofia.Price includes taxes and charges.From $1,026, select.
Washington D.C..$1,026 per passenger.Departing Fri, 31 Jul, returning Sun, 16 Aug.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Fri, 31 Jul, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Sun, 16 Aug, arriving in Sofia.Price includes taxes and charges.From $1,026, select.
Washington D.C..$1,043 per passenger.Departing Thu, 18 Jun, returning Wed, 30 Sep.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Thu, 18 Jun, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Wed, 30 Sep, arriving in Sofia.Price includes taxes and charges.From $1,043, select.
Washington D.C..$1,050 per passenger.Departing Sat, 20 Jun, returning Fri, 4 Dec.Return flight with KLM.Outbound indirect flight with KLM, departs from Sofia on Sat, 20 Jun, arriving in Washington Dulles.Inbound indirect flight with KLM, departs from Washington Dulles on Fri, 4 Dec, arriving in Sofia.Price includes taxes and charges.From $1,050, select.
Washington D.C..$1,051 per passenger.Departing Mon, 22 Jun, returning Mon, 29 Jun.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Mon, 22 Jun, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Mon, 29 Jun, arriving in Sofia.Price includes taxes and charges.From $1,051, select.
Washington D.C..$1,095 per passenger.Departing Tue, 30 Jun, returning Sun, 12 Jul.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Sofia on Tue, 30 Jun, arriving in Washington Dulles.Inbound indirect flight with Turkish Airlines, departs from Washington Dulles on Sun, 12 Jul, arriving in Sofia.Price includes taxes and charges.From $1,095, select.
Washington D.C..$1,108 per passenger.Departing Tue, 14 Jul, returning Tue, 21 Jul.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Sofia on Tue, 14 Jul, arriving in Washington Dulles.Inbound indirect flight with Lufthansa, departs from Washington Dulles on Tue, 21 Jul, arriving in Sofia.Price includes taxes and charges.From $1,108, select.
Washington D.C..$1,117 per passenger.Departing Mon, 31 Aug, returning Thu, 15 Oct.Return flight with Austrian Airlines and SWISS.Outbound indirect flight with Austrian Airlines, departs from Sofia on Mon, 31 Aug, arriving in Washington Dulles.Inbound indirect flight with SWISS, departs from Washington Dulles on Thu, 15 Oct, arriving in Sofia.Price includes taxes and charges.From $1,117, select.
Washington D.C..$3,560 per passenger.Departing Sat, 12 Dec, returning Sat, 26 Dec.Return flight with Emirates and Air Canada.Outbound indirect flight with Emirates, departs from Sofia on Sat, 12 Dec, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Sat, 26 Dec, arriving in Sofia.Price includes taxes and charges.From $3,560, select.

Find the cheapest month to fly from Sofia to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sofia to Washington Dulles flights are currently cheapest in September.
Jun
from $1,051
Jul
from $1,108
Aug
from $1,026
Sep
from $892
Oct
from $892
Nov
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Dec
from $3,560
Jan
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Feb
from $918
Mar
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Apr
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May
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Sofia to Washington Dulles: Alternative routes

Compare routes from Sofia to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Washington Ronald Reagan

5km from central Washington D.C.
Closest
from $899
Search flights

Camp Springs Andrews AFB

17km from central Washington D.C.
Search flights

Washington Dulles

37km from central Washington D.C.
Cheapest
from $892
Search flights

Baltimore Washington International

44km from central Washington D.C.
from $909
Search flights

Manassas

47km from central Washington D.C.
Search flights

Sofia to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found$892
Cheapest month to flySeptember

Finding cheap flights from Sofia to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Sofia to Washington Dulles is $892. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sofia to Washington Dulles. But we found flights with one or more stops from $892.
As of June 2026, there are no flights flying from Sofia to Washington Dulles.
The cheapest month to fly from Sofia to Washington Dulles is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sofia Airport to Washington Dulles Airport on Wednesday, 2 September 2026.
No airlines currently offer direct flights between Sofia Airport and Washington Dulles Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, KLM offers the cheapest flight tickets to Washington Dulles.

Flying from Sofia Airport (SOF) to Washington Dulles Airport (IAD): what you need to know

  • Washington DC's timezone is UTC-5, making Washington DC seven hours behind Sofia.

  • Your SOF to IAD flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months such as August, it's a good idea to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight when you travel during peak periods in general.

  • Consider adding a stopover when booking your ticket from Sofia Airport to Washington Dulles Airport. Just uncheck 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Here's where you can stop between SOF and IAD:

    • London Heathrow Airport

    • Frankfurt am Main Airport

    • Dublin Airport

Handy information about Sofia Airport (SOF)

  • Of all flights departing from Sofia Airport, 77% arrive on time at their destination.

  • Central Sofia to Sofia Airport is around 10 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're ride-sharing, catching a taxi or driving.

  • The trip on public transport typically takes 30 minutes.

  • Searching for a handy hotel close to SOF? If you're boarding an early flight from Sofia Airport to Washington Dulles Airport, these accommodation options will have you sleeping moments from your departure lounge:

Arriving at Washington Dulles Airport (IAD)

Getting from Washington Dulles Airport (IAD) to central Washington DC

  • The address for IAD is 1 Saarinen Circle.

  • Washington Dulles Airport to the centre of Washington DC has a drive time of about 45 minutes. It's approximately 40 kilometres away.

  • Getting to the centre on public transport typically takes 1 hour 10 minutes.

When to fly to Washington Dulles Airport (IAD)

  • It's time to work out your trip dates for your flight from Sofia Airport to Washington Dulles Airport. July is the most popular month to head to Washington DC. If you want a quieter vibe, go in February.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Book your flights from Sofia Airport to Washington Dulles Airport in this month if this is the kind of weather you like.

  • Search for cheap tickets from SOF to IAD in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of the United States

  • Washington DC has plenty to offer, but there are so many other corners of the United States waiting to be discovered. About 322 kilometres north-east of Washington DC, a trip to New York will keep your itinerary busy. Check out popular attractions like Central Park, Statue of Liberty and Metropolitan Museum of Art.

  • If you're ready to explore another corner of the United States, consider Philadelphia, about 193 kilometres north-east of Washington DC. Independence Hall, Liberty Bell and Philadelphia Museum of Art are the start of reasons to visit.

Plan the rest of your trip from Sofia to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.