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$589+ Cheap flights from Dulles Intl (IAD) to Sofia (SOF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOF
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Sofia are usually found in November or October, booked 88 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Dulles Intl to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$589
(Expedia)

Popular in

June

Cheapest in

November

Average price

$1,217
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Sofia flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Sofia flights.
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From Washington, D.C. Dulles Intl to Sofia
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High demand for flights, 19% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Dulles Intl to Sofia

Cheapest flights from Dulles Intl to Sofia
Explore the most affordable flight options available from Dulles Intl to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/258:20 amIAD - SOF
2 stops31h 05mUnited Airlines
Fri 1/106:20 amSOF - IAD
2 stops20h 55mUnited Airlines
Deal found 12/21$916
This Air Canada deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/258:20 amIAD - SOF
2 stops22h 25mAir Canada
Fri 1/106:20 amSOF - IAD
2 stops15h 53mAir Canada
Deal found 12/21$937
This FlightHub deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/258:20 amIAD - SOF
2 stops21h 40mMultiple Airlines
Fri 1/108:00 amSOF - IAD
1 stop13h 35mMultiple Airlines
Deal found 12/21$949
This KAYAK deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:20 pmIAD - SOF
1 stop13h 25mLufthansa
Fri 1/106:20 amSOF - IAD
1 stop21h 00mLufthansa
Deal found 12/21$1,232

Find flights from Dulles Intl to Sofia within your budget

Customize your flight search to find flights from Dulles Intl to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 22, 2024.

Fly from

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Route

Depart

Return

Price

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 2/12

5:50 pm-1:45 pm

1 stop12h 55m

Sofia

Wed 2/26

6:00 am-3:50 pm

1 stop16h 50m

$589

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 2/19

5:10 pm-12:15 pm

1 stop12h 05m

Sofia

Thu 2/27

6:10 am-3:40 pm

1 stop16h 30m

$593

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 1/20

2:00 pm-3:05 pm

1 stop18h 05m

Sofia

Mon 1/27

9:40 pm-12:15 pm

1 stop21h 35m

$598

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 1/21

8:18 am-1:30 pm

2 stops22h 12m

Sofia

Tue 2/4

2:15 pm-3:13 pm

2 stops31h 58m

$626

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 2/17

5:35 pm-1:00 pm

1 stop12h 25m

Sofia

Fri 2/28

8:00 am-2:35 pm

1 stop13h 35m

$642

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 2/18

6:00 pm-2:10 pm

1 stop13h 10m

Sofia

Sat 3/1

12:05 pm-7:45 pm

1 stop14h 40m

$680

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sat 1/11

6:00 pm-11:50 am

1 stop10h 50m

Sofia

Sat 1/25

8:00 am-2:35 pm

1 stop13h 35m

$764

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 2/16

12:05 pm-12:20 pm

2 stops41h 15m

Sofia

Sun 3/2

6:00 pm-6:55 pm

2 stops55h 55m

$767

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 2/16

6:30 pm-1:55 pm

1 stop12h 25m

Sofia

Sat 3/1

5:00 am-4:25 pm

2 stops18h 25m

$1,020

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 4/20

8:45 pm-12:30 pm

1 stop32h 45m

Sofia

Sun 5/4

12:45 pm-4:15 pm

2 stops34h 30m

$1,051

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 12 results
1
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Compare providers for flights from Dulles Intl to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Sofia in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Sofia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Dulles Intl to Sofia

Get recent, data-driven insights about flights from Dulles Intl to Sofia including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Sofia. Price data was last updated on December 13, 2024.

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Sofia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sofia?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sofia (average of $632). Flying from Washington, D.C. Dulles Intl Airport to Sofia in June is currently the most expensive (average of $1,243). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to SOF?

Find hourly flight availability from Dulles Intl to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 38% on flights from Washington, D.C. Dulles Intl Airport to Sofia by exploring options for tickets at noon.

Rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

Plan your trip to Sofia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated December 22, 2024.
Emirates
8.1
Very good
3,398 reviews

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Emirates
8.1
Very good
3,398 reviews
Emirates
8.1
Very good
3,398 reviews

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Austrian Airlines
7.6
Good
785 reviews
Emirates
8.1
Very good
3,398 reviews

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

SWISS
7.6
Good
1,605 reviews
Emirates
8.1
Very good
3,398 reviews

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Air France
7.4
Good
1,501 reviews
Emirates
8.1
Very good
3,398 reviews

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

United Airlines
7.4
Good
9,028 reviews
Emirates
8.1
Very good
3,398 reviews

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Washington, D.C. Dulles Intl?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from Washington, D.C. Dulles Intl. On average, Sofia has 0 inbound flights from Washington, D.C. Dulles Intl per day from 7 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Sofia round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Sofia round-trip from $589. Other airlines that can offer you cheap pricing are Turkish Airlines, from $598, and Air Canada, from $626. These flights start at 34% lower than the current average price 3 months from now.

  • Can I find deals for flights from Dulles Intl to Sofia that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Sofia.

  • Can I find deals for business class flights from Dulles Intl to Sofia?

    Yes. Cheapflights offers flight deals from Dulles Intl to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sofia (average of $632). Flying from Washington, D.C. Dulles Intl Airport to Sofia in June is currently the most expensive (average of $1,243). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dulles Intl to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Sofia flights
Reagan-National to Sofia flights

Top 7 airlines flying from Dulles Intl to Sofia

Discover the top 7 airlines that operate flights from Dulles Intl to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$552Average$764FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$597Average$952FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$620Average$827FlexibilityNo cancel feeOn-time70%
SWISSCheapest$635Average$1,109FlexibilityNo cancel feeOn-time79%
Austrian AirlinesCheapest$708Average$1,027FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$709Average$1,169FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$715Average$1,109FlexibilityNo cancel feeOn-time76%
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