SOF - IAD

$409 Find Cheap Flights from Sofia to Washington, D.C. - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$800
Typical prices: $665-$916
Multiple Airlines
Sun 11/11Thu 11/15
SOF - IAD • 3 stops
Cheapest one-way
$409
Typical prices: $700-$807
Multiple Airlines
Mon 1/15
SOF - IAD • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Sofia and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 39% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
London Heathrow (LHR)
Cheapest • Avg $621 (round-trip)
Zurich (ZRH)
Shortest trip • 12h 36m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
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Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sofia to Washington, D.C.

Wed, Nov 11 - Sun, Nov 15
Multiple Airlines Logo
4:00 pm - 6:30 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
33h 30m3 stops Belgrade Nikola Tesla Stockholm Arlanda Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 2:25 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
35h 45m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Istanbul Sabiha Gokcen
$800Multiple Airlines
Thu, Dec 17 - Sun, Dec 27
Turkish Airlines Logo
4:00 pm - 11:45 amSOF  Sofia-IAD Washington, D.C. Dulles Intl
26h 45m1 stop Istanbul
Turkish Airlines Logo
1:30 pm - 8:55 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
24h 25m1 stop Istanbul
$815Turkish Airlines
Mon, Nov 9 - Sun, Nov 22
SWISS Logo
3:00 pm - 3:30 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
31h 30m1 stop Zurich
SWISS Logo
5:25 pm - 2:15 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
13h 50m1 stop Zurich
$815SWISS
Mon, Nov 9 - Sun, Nov 22
United Airlines Logo
6:25 am - 3:55 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
16h 30m1 stop Frankfurt am Main
United Airlines Logo
5:35 pm - 1:15 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
12h 40m1 stop Munich Franz Josef Strauss
$816United Airlines
Thu, Nov 19 - Sun, Dec 13
United Airlines Logo
2:10 pm - 8:05 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
12h 55m1 stop Frankfurt am Main
United Airlines Logo
5:35 pm - 1:15 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
12h 40m1 stop Munich Franz Josef Strauss
$816United Airlines
Wed, Jan 6 - Sat, Mar 6
Multiple Airlines Logo
12:35 pm - 2:10 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
32h 35m1 stop Vienna Intl
Multiple Airlines Logo
10:55 pm - 6:20 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
12h 25m1 stop Munich Franz Josef Strauss
$822Multiple Airlines
Thu, Nov 19 - Sun, Dec 13
Turkish Airlines Logo
9:45 pm - 11:45 amSOF  Sofia-IAD Washington, D.C. Dulles Intl
21h 00m1 stop Istanbul
Turkish Airlines Logo
1:30 pm - 8:40 amIAD  Washington, D.C. Dulles Intl-SOF Sofia
12h 10m1 stop Istanbul
$823Turkish Airlines
Wed, Dec 2 - Fri, Dec 11
Lufthansa Logo
6:25 am - 8:05 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
20h 40m1 stop Frankfurt am Main
Lufthansa Logo
10:19 pm - 11:00 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
41h 41m2 stops Boston Logan Intl Frankfurt am Main
$869Lufthansa
Wed, Dec 2 - Fri, Dec 11
Lufthansa Logo
6:25 am - 8:05 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
20h 40m1 stop Frankfurt am Main
Lufthansa Logo
10:10 pm - 1:25 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
32h 15m1 stop Frankfurt am Main
$963Lufthansa
Thu, Jan 7 - Fri, Mar 5
SWISS Logo
4:15 pm - 3:00 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
29h 45m2 stops Zurich Paris Charles de Gaulle
SWISS Logo
6:10 pm - 10:30 amIAD  Washington, D.C. Dulles Intl-SOF Sofia
33h 20m2 stops Amsterdam Schiphol Zurich
$1,096SWISS
Booking Insights

Price, demand and travel trends for Sofia to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Sofia to Washington, D.C. Dulles Intl Airport?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Sofia to Washington, D.C. Dulles Intl Airport. It’s 14% cheaper than the average day, while Wednesday is the most expensive, with prices 17% higher.

What’s the cheapest month to fly from Sofia to Washington, D.C. Dulles Intl Airport?

•February is the cheapest month to fly from Sofia to Washington, D.C. Dulles Intl Airport at $474 round-trip.
•August ($1,094) and September ($965) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 130% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Sofia to Washington, D.C. Dulles Intl Airport flights

Low season

April

Cheapest flight

$409
Beat the crowds with an average 37% drop in travelers.
The most popular month to fly with an average 48% increase in travelers.
One-way flight from Sofia to Washington, D.C. Dulles Intl Airport

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

Are your dates flexible? Find out the best times to travel from Sofia to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Sofia to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Sofia to Washington, D.C. Dulles Intl Airport?

    Two cabin classes are available on flights from Sofia to Washington, D.C. Dulles Intl Airport:

    • Economy Class
    • Business Class

  • How long is a flight from Sofia to Washington, D.C. Dulles Intl Airport?

    A nonstop flight from Sofia to Washington, D.C. Dulles Intl Airport takes 00m, covering 4,931 miles.

  • Do I need a passport to fly from Sofia to Washington, D.C. Dulles Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Sofia to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from Sofia to Washington, D.C. Dulles Intl Airport range from $665 to $916, with an average of $775 over the past 12 months. Anything below $665 counts as a good deal.

  • Have flight prices from Sofia to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $800 to $3,266. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Sofia to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Sofia to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $671, which is 12% below the typical average for this route.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates averaging $70 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Sofia to Washington, D.C. Dulles Intl Airport?

    Flights from Sofia to Washington, D.C. Dulles Intl Airport usually depart from Sofia (SOF) and arrive at Washington, D.C. Dulles Intl (IAD).

  • Which airports do connecting flights from Sofia to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from Sofia to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • Istanbul (IST) - 26% of one-stop connections
    • Amsterdam Schiphol (AMS) - 24% of one-stop connections
    • Munich Franz Josef Strauss (MUC) - 13% of one-stop connections
    • Vienna Intl (VIE) - 11% of one-stop connections

  • Can I save money by using flexible dates for flights from Sofia to Washington, D.C. Dulles Intl Airport?

    Yes. Flexible dates can save you up to 27% on flights from Sofia to Washington, D.C. Dulles Intl Airport. Saturday is the cheapest departure day at $672 round-trip on average, while Wednesday is the most expensive at $909, a difference of $237.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Sofia to Washington, D.C. Dulles Intl Airport?

    Flying via Zurich (ZRH) gives the shortest average 1-stop total travel time at 12h 36m, compared with 13h 14m via Vienna Intl (VIE) and 13h 34m via Munich Franz Josef Strauss (MUC).

  • What is the time difference between Sofia and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 6 hours behind Sofia (Eastern Time vs Eastern European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Your guide to booking Sofia to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Wednesday. On this route, Saturday flights average $672, about $237 less than Wednesday fares (26% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Sofia to Washington, D.C. Dulles Intl Airport trip for February. Fares historically average $474 round-trip in that month - typically $620 less than the most expensive month, which is August (based on the last 12 months).

More options for your flight from Sofia to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car rental

Car rentals in Washington, D.C.
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