SOF - IAD

$482 Find Cheap Flights from Sofia to Washington, D.C. - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$631
Typical prices: $625-$843
Turkish Airlines
Tue 11/6Thu 11/22
SOF - IAD • 1 stop
Cheapest one-way
$482
Typical prices: $702-$805
Multiple Airlines
Tue 10/2
SOF - IAD • 1 stop
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 book
14 weeks
in advance
Our data shows that travelers who book at least 14 weeks in advance save around 55% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 34% 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 27m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
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.

Fri, Nov 6 - Sun, Nov 22
Turkish Airlines Logo
11:55 am - 8:25 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
15h 30m1 stop Istanbul
Turkish Airlines Logo
1:30 pm - 8:50 amIAD  Washington, D.C. Dulles Intl-SOF Sofia
12h 20m1 stop Istanbul
$631Turkish Airlines
Fri, Nov 6 - Sun, Nov 22
Turkish Airlines Logo
11:55 am - 8:25 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
15h 30m1 stop Istanbul
Turkish Airlines Logo
1:30 pm - 8:40 amIAD  Washington, D.C. Dulles Intl-SOF Sofia
12h 10m1 stop Istanbul
$632Turkish Airlines
Fri, Nov 6 - Sat, Nov 14
Multiple Airlines Logo
4:55 pm - 4:30 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
30h 35m2 stops Madrid Barajas Paris Charles de Gaulle
Multiple Airlines Logo
6:40 pm - 9:35 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
19h 55m2 stops Paris Charles de Gaulle Madrid Barajas
$718Multiple Airlines
Fri, Nov 6 - Sun, Nov 22
Multiple Airlines Logo
5:00 am - 6:30 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
20h 30m3 stops Belgrade Nikola Tesla Frankfurt am Main Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 11:35 amIAD  Washington, D.C. Dulles Intl-SOF Sofia
32h 55m3 stops Reykjavik Keflavik Intl Frankfurt am Main Istanbul Sabiha Gokcen
$748Multiple Airlines
Thu, Nov 19 - Sat, May 15
Lufthansa Logo
6:25 am - 2:35 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
15h 10m1 stop Frankfurt am Main
Lufthansa Logo
10:20 pm - 11:00 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
17h 40m1 stop Munich Franz Josef Strauss
$783Lufthansa
Thu, Nov 19 - Sun, Dec 13
Lufthansa Logo
6:25 am - 8:05 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
20h 40m1 stop Frankfurt am Main
Lufthansa Logo
10:55 pm - 6:20 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
12h 25m1 stop Munich Franz Josef Strauss
$783Lufthansa
Thu, Nov 19 - Sun, Dec 13
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
8:40 am - 10:55 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
31h 15m2 stops Boston Logan Intl Munich Franz Josef Strauss
$806United Airlines
Wed, Jan 13 - Sat, Jan 30
United Airlines Logo
6:25 am - 2:35 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
15h 10m1 stop Frankfurt am Main
United Airlines Logo
8:19 am - 1:15 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
21h 56m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
$806United Airlines
Mon, Oct 5 - Thu, May 20
SWISS Logo
3:40 pm - 4:45 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
32h 05m1 stop Zurich
SWISS Logo
8:20 pm - 12:55 pmIAD  Washington, D.C. Dulles Intl-SOF Sofia
33h 35m1 stop Zurich
$810SWISS
Tue, Sep 29 - Tue, Oct 6
SWISS Logo
1:05 pm - 4:45 pmSOF  Sofia-IAD Washington, D.C. Dulles Intl
34h 40m1 stop Zurich
SWISS Logo
8:20 pm - 10:20 amIAD  Washington, D.C. Dulles Intl-SOF Sofia
31h 00m1 stop Zurich
$810SWISS
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 from Sofia to Washington, D.C. Dulles Intl Airport with more confidence.

How much is a round-trip flight from Sofia to Washington, D.C. Dulles Intl Airport?

Round-trip flights from Sofia to Washington, D.C. Dulles Intl Airport start at $631. Prices are typical for this route right now, with typical round-trip fares ranging from $625 to $843. The lowest price found in the past 5 days was $631 on Turkish Airlines.

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

Saturday is the cheapest day of the week to fly from Sofia to Washington, D.C. Dulles Intl Airport, it is 8% cheaper than the average day. Monday is the most expensive day with flight prices 13% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is 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 $475 round-trip.
  • June ($863) and July ($862) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 81% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Sofia to Washington, D.C. Dulles Intl Airport the cheapest?

Flights from Sofia to Washington, D.C. Dulles Intl Airport are cheapest 14 weeks before departure. Booking in this window typically costs about 55% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

April

Cheapest flight

$482
Best time to beat the crowds with an average 21% drop in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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

  • 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:

    • Amsterdam Schiphol (AMS) - 30% of one-stop connections
    • Istanbul (IST) - 25% of one-stop connections
    • Munich Franz Josef Strauss (MUC) - 14% of one-stop connections
    • Frankfurt am Main (FRA) - 10% of one-stop connections

    Amsterdam Schiphol (AMS) handles the largest share of one-stop connections on this route.

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

    On the Sofia to Washington, D.C. Dulles Intl Airport route, being flexible with your departure day can save you up to 20%. Saturday is the cheapest day at $667 round-trip on average, while Monday is the most expensive at $824: a $157 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • 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.

  • How expensive are last-minute Sofia to Washington, D.C. Dulles Intl Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 16% above the route average of $725. Book 14 weeks before departure for the lowest fares.

  • 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 0h 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.

  • 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 $631 to $1,912. That means the highest observed fare was about 3x 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 higher than usual. Average one-way flight prices are about $1,359, which is 79% above the typical average for this route.

  • 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 27m, compared with 12h 34m via Vienna Intl (VIE) and 13h 28m 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 7 hours behind Sofia (Eastern Time vs Eastern European Time). Plan for the time shift when scheduling connections or first-day activities.

  • 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 starting from around $24 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

  • 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 $625 to $843, with an average of $725 over the past 12 months. Anything below $625 counts as a good deal.

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 can be flexible, aim for a Saturday departure instead of Monday. On this route, Saturday flights average $667 - about $157 less than Monday (19% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 55% versus last-minute pricing (KAYAK booking data, 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 $475 round-trip in that month - typically $388 less than the most expensive month, which is June (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.
Hotels in Washington, D.C.
Vacations in Washington, D.C.