$283 Flights from Washington Dulles (IAD) to Sofia (SOF)

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Flight deals from Washington Dulles to Sofia

Looking for a cheap last-minute deal or the best round-trip flight from Washington Dulles Airport to Sofia Airport? If you want to travel next month, round-trip fares start from $785. Find the lowest prices on one-way and round-trip tickets right here.

Sofia.$283 per passenger.Departing Wed, Oct 28.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departing from Washington Dulles on Wed, Oct 28, arriving in Sofia.Price includes taxes and charges.From $283, select.

Sofia.$287 per passenger.Departing Tue, Jul 14.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Dulles on Tue, Jul 14, arriving in Sofia.Price includes taxes and charges.From $287, select.

Sofia.$291 per passenger.Departing Tue, Aug 11.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departing from Washington Dulles on Tue, Aug 11, arriving in Sofia.Price includes taxes and charges.From $291, select.

Sofia.$311 per passenger.Departing Sun, Sep 6.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departing from Washington Dulles on Sun, Sep 6, arriving in Sofia.Price includes taxes and charges.From $311, select.

Sofia.$371 per passenger.Departing Mon, Mar 1.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departing from Washington Dulles on Mon, Mar 1, arriving in Sofia.Price includes taxes and charges.From $371, select.

Sofia.$384 per passenger.Departing Fri, Nov 20.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departing from Washington Dulles on Fri, Nov 20, arriving in Sofia.Price includes taxes and charges.From $384, select.

Sofia.$497 per passenger.Departing Tue, Jun 30.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Dulles on Tue, Jun 30, arriving in Sofia.Price includes taxes and charges.From $497, select.

Find the cheapest month to fly from Washington Dulles to Sofia from $283 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Sofia flights are currently cheapest in October.

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Washington Dulles to Sofia: Alternative routes

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

Sofia

4 miles from central Sofia

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from $281

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Washington, D.C. to Sofia: Flight information

The things to know before you go.

Cheapest flight found	$281
Cheapest month to fly	October

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

How much are round-trip flights from Washington Dulles to Sofia?

The best price we found for a round-trip flight from Washington Dulles to Sofia is $692. 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.

Which airlines fly direct from Washington Dulles to Sofia?

Currently, there are no airlines that fly direct from Washington Dulles to Sofia. But we found flights with one or more stops from $692.

How many flights are there a week from Washington Dulles to Sofia?

There are no flights flying from Washington Dulles to Sofia, as of June 2026.

When is the cheapest time to fly from Washington Dulles to Sofia?

The cheapest month to fly from Washington Dulles to Sofia is usually December.

Which upcoming date is cheapest to fly from Washington Dulles Airport to Sofia Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Sofia Airport on Wednesday, December 2, 2026.

Can I get a direct flight from Washington Dulles Airport to Sofia Airport?

No airlines currently offer direct flights between Washington Dulles Airport and Sofia Airport. Most routes have one or more stops.

How can I find the best flight deal to Sofia?

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 Sofia 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.

When is the best time to book flights to Sofia?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Sofia is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Washington Dulles Airport to Sofia?

Currently, SWISS offers the cheapest flight tickets to Sofia.

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

Sofia's timezone is UTC+2, making Sofia seven hours ahead of Washington DC.
For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your IAD to SOF flight.
Flying during a peak time such as July? Public holidays and other popular seasons can result in longer queues at security. Play things extra safe and get there up to four hours ahead of international flights and two hours before a domestic departure.
Consider adding a stopover when booking your ticket from Washington Dulles Airport to Sofia Airport. Just deselect 'Direct flights only' to break up your trip, or visit a new city along the way. Check out these options between IAD and SOF:
- London Heathrow Airport
- Rome Fiumicino Airport
- Munich Airport

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

The lowest price we've found for a one-way Washington Dulles Airport to Sofia Airport flight is $283. A round-trip ticket right now is $692. Depending on the availability and when you book, these fares could change.
To find cheap tickets from IAD to SOF, book ahead. Airlines typically offer their best fares when flights are first released.
The 'Whole month' search tool shows you the cheapest flights from Washington Dulles Airport to Sofia Airport throughout the entire month. It's a great way to find a bargain if your dates are flexible.
You don't need to check every day to see if fares have gone down when you set up a Price Alert. We'll update you as soon as there's a new deal on cheap flights from IAD to SOF.
Select your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Washington Dulles Airport to Sofia Airport.

Handy information about Washington Dulles Airport (IAD)

IAD is located at 1 Saarinen Circle.
77% of flights leaving from Washington Dulles Airport make it to their destination on schedule.
Washington Dulles Airport is around 25 miles from central Washington DC. If you're driving, ride-sharing or catching a cab from the center, it'll take 45 minutes or so to arrive, depending on the traffic.
You can expect a trip time of roughly 1 hour 10 minutes on public transport.
Have an early flight from Washington Dulles Airport to Sofia Airport? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels close to IAD:

Arriving at Sofia Airport (SOF)

Consider staying in a hotel near SOF if you're taking a late Washington Dulles Airport to Sofia Airport flight. Choose one of these accommodation options and skip the long transfer:
Pick up a Sofia Airport rental car and explore Sofia and beyond with your own wheels. MEX, Surprice and NU Car Rentals are popular outlets you can book with here.
Booking your ride from Sofia Airport around one week ahead can help you get the best possible rate.

Getting from Sofia Airport (SOF) to central Sofia

From Sofia Airport, Sofia is approximately 6 miles away. It takes around 25 minutes to reach the center driving.
It typically takes 30 minutes if you're using public transport.

When to fly to Sofia Airport (SOF)

August is the busiest month for flights from Washington Dulles Airport to Sofia Airport. To skip the crowds, travel to Sofia in March.
Lock in your flight from Washington Dulles Airport to Sofia Airport for August if you want to visit Sofia during its warmest month. Expect temperatures of between 55ºF and 90ºF.
If you want to travel in cooler conditions, look for a cheap ticket from IAD to SOF in January. Temperatures average between 12ºF and 45ºF then.

Explore more of Bulgaria

You've done Sofia, now it's time to discover more of Bulgaria. Travel about 80 miles south-east to Plovdiv to tick off its leading sights. From Plovdiv Roman Theatre to Municipal Institute "Ancient Plovdiv" and Museum Center for Contemporary History, you've got a jam-packed schedule ahead.
Around 240 miles east of Sofia, Varna is another essential stop in Bulgaria. Start your sightseeing at Sahara beach, Museum of Natural History and Sea Garden.