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Cheap Flights from Sofia (SOF) to Washington Dulles (IAD)

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      Travellers and cabin class, 1 Adult, Economy
      1. Home
      2. Bulgaria
      3. Sofia
      4. Washington Dulles

      Compare flight fares from Sofia to Washington Dulles

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      Great Washington Dulles flight deals, no added fees

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      Fly from SOF to IAD when it’s cheapest

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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 to Washington Dulles? Find the lowest prices on one-way and return tickets right here.
      Washington D.C..£394 per passenger.Departing Mon, 15 Sep, returning Mon, 29 Sep.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Mon, 15 Sep, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Mon, 29 Sep, arriving in Sofia.Price includes taxes and charges.From £394, select.
      Mon, 15 SepSOF - IAD with KLM
      1 stop
      Mon, 29 SepIAD - SOF with Air France
      1 stop
      from £394
      Washington D.C..£395 per passenger.Departing Thu, 6 Nov, returning Tue, 11 Nov.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Thu, 6 Nov, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Tue, 11 Nov, arriving in Sofia.Price includes taxes and charges.From £395, select.
      Thu, 6 NovSOF - IAD with KLM
      1 stop
      Tue, 11 NovIAD - SOF with Air France
      1 stop
      from £395
      Washington D.C..£395 per passenger.Departing Tue, 30 Sep, returning Sun, 26 Oct.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Tue, 30 Sep, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Sun, 26 Oct, arriving in Sofia.Price includes taxes and charges.From £395, select.
      Tue, 30 SepSOF - IAD with KLM
      1 stop
      Sun, 26 OctIAD - SOF with Air France
      1 stop
      from £395
      Washington D.C..£395 per passenger.Departing Mon, 19 Jan, returning Sun, 25 Jan.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Mon, 19 Jan, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Sun, 25 Jan, arriving in Sofia.Price includes taxes and charges.From £395, select.
      Mon, 19 JanSOF - IAD with KLM
      1 stop
      Sun, 25 JanIAD - SOF with Air France
      1 stop
      from £395
      Washington D.C..£429 per passenger.Departing Fri, 29 Aug, returning Thu, 18 Sep.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Fri, 29 Aug, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Thu, 18 Sep, arriving in Sofia.Price includes taxes and charges.From £429, select.
      Fri, 29 AugSOF - IAD with KLM
      1 stop
      Thu, 18 SepIAD - SOF with Air France
      1 stop
      from £429
      Washington D.C..£463 per passenger.Departing Thu, 7 Aug, returning Wed, 20 Aug.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Sofia on Thu, 7 Aug, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Wed, 20 Aug, arriving in Sofia.Price includes taxes and charges.From £463, select.
      Thu, 7 AugSOF - IAD with KLM
      1 stop
      Wed, 20 AugIAD - SOF with Air France
      1 stop
      from £463
      Washington D.C..£467 per passenger.Departing Thu, 31 Jul, returning Sat, 16 Aug.Return flight with Air France.Outbound indirect flight with Air France, departs from Sofia on Thu, 31 Jul, arriving in Washington Dulles.Inbound indirect flight with Air France, departs from Washington Dulles on Sat, 16 Aug, arriving in Sofia.Price includes taxes and charges.From £467, select.
      Thu, 31 JulSOF - IAD with Air France
      1 stop
      Sat, 16 AugIAD - SOF with Air France
      1 stop
      from £467
      Washington D.C..£467 per passenger.Departing Tue, 15 Jul, returning Tue, 22 Jul.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Sofia on Tue, 15 Jul, arriving in Washington Dulles.Inbound indirect flight with Lufthansa, departs from Washington Dulles on Tue, 22 Jul, arriving in Sofia.Price includes taxes and charges.From £467, select.
      Tue, 15 JulSOF - IAD with Lufthansa
      1 stop
      Tue, 22 JulIAD - SOF with Lufthansa
      1 stop
      from £467
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Sofia to Washington Dulles found in the last 4 days, and are subject to change and availability.

      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.
      Jul
      from £467
      Aug
      from £463
      Sep
      from £394
      Oct
      Find prices
      Nov
      from £395
      Dec
      Find prices
      Jan
      from £395
      Feb
      Find prices
      Mar
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      Apr
      Find prices
      May
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      Jun
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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.

      Sofia to Washington D.C.: Flight information

      The things to know before you go.
      Cheapest flight found£394
      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 £394. 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 £394.
      As of July 2025, 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 Monday, 15 September 2025.
      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.

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

      • The timezone in Washington DC is UTC-4, which is six hours behind Sofia.

      • Your SOF to IAD flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

      • Flying during a peak month like August? Major public holidays and other high seasons can result in longer lines and delays at check-in and security. Play it safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

      • If you want to include a stop along the way, simply uncheck 'Direct flights only' when searching for your ticket from Sofia Airport to Washington Dulles International Airport. These are the top stopovers between SOF and IAD:

        • Dublin Airport

        • London Heathrow Airport

        • Frankfurt Airport

      How to find the cheapest flights from Sofia Airport (SOF) to Washington Dulles International Airport (IAD)

      • £315 is the best price for a one-way Sofia Airport to Washington Dulles International Airport flight. Return flights start at £394. These fares can change based on availability.

      • To get your hands on cheap tickets from SOF to IAD, book in advance. Airlines typically offer their best fares when flights are first made available.

      • If you're flexible with your travel dates, try using the 'Whole month' search function. It'll give you the cheapest price in every month when looking for your flight from Sofia Airport to Washington Dulles International Airport.

      • Getting your hands on cheap flights from SOF to IAD is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when a new deal comes up.

      • Secure the right flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Sofia Airport to Washington Dulles International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

      Handy information about Sofia Airport (SOF)

      • When it comes to the on-time performance of Sofia Airport, data shows 66.73% of flights meet their scheduled arrival time.

      • Central Sofia to Sofia Airport is around 7 miles. Depending on traffic, it'll take about 15 minutes to get there if you're driving, catching a cab or ride-sharing.

      • The trip on public transport takes about 35 minutes.

      • Catching an early flight from Sofia Airport to Washington Dulles International Airport? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by picking one of these stays near SOF:

        • Novotel Sofia

        • Metropolitan Hotel Sofia, a Member of Radisson Individuals

        • Hotel Akord

      Arriving at Washington Dulles International Airport (IAD)

      • The last thing you want is a long journey to your hotel if you're landing late on a Sofia Airport to Washington Dulles International Airport flight. Book one of these accommodation options near IAD instead:

        • Country Inn & Suites by Radisson, Washington Dulles International Airport, VA

        • Gateway Inn Dulles Airport

        • Hyatt Place Herndon Dulles East

      • Grab a Washington Dulles International Airport rental car and explore Washington DC and beyond with your own set of wheels. Dollar, Thrifty and Sixt are leading providers to choose from here.

      • For the lowest price, reserve your vehicle from Washington Dulles International Airport around one week before travelling.

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

      • The address for IAD is 1 Saarinen Circle.

      • From Washington Dulles International Airport, Washington DC is approximately 35 miles away. It takes around 50 minutes to get to the centre driving.

      • Getting to the centre on public transport will take you around 3 hours 25 minutes.

      When to fly to Washington Dulles International Airport (IAD)

      • The quietest month for a flight from Sofia Airport to Washington Dulles International Airport is January, while April is the most popular. Choose the ideal time to visit Washington DC based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • Lock in your flight from Sofia Airport to Washington Dulles International Airport for July if you'd like to visit Washington DC during its warmest month. You can expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).

      • If you like cooler conditions, look for a cheap ticket from SOF to IAD in January. Average temperatures are between -6ºC (21ºF) and 10ºC (50ºF) then.

      Explore more of United States

      • You've visited Washington DC, now it's time to discover more of United States. Travel about 200 miles north-east to New York to tick off its leading attractions. From Statue of Liberty to Central Park and Empire State Building, you've got a jam-packed schedule ahead.

      • Around 120 miles north-east of Washington DC, Philadelphia is another essential stop in United States. Experience major highlights starting with Liberty Bell, Independence Hall and Philadelphia Museum of Art.

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

      • Car hire from Washington Dulles
      • Hotels in Washington D.C.

      Prices shown on this page are estimated lowest prices only. Found in the last 45 days.

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