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District of Columbia

$472+ Cheap flights from Sofia (SOF) to District of Columbia

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — IAD
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from Sofia to District of Columbia

Keep the following information in mind while searching for Sofia to District of Columbia flight deals. Data was last updated August 21, 2025.

Round-trip from

$472
(KLM)

Popular in

September

Cheapest in

June

Average price

$634
From Sofia to District of Columbia
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Sofia to District of Columbia

Cheapest flights from Sofia to District of Columbia
Explore the most affordable flight options available from Sofia to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This KLM deal was found by Cheapflights users on 8/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Wed 9/176:30 pmIAD - SOF
1 stop12h 30mMultiple Airlines
Deal found 8/21$472
This KLM deal was found by Cheapflights users on 8/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Wed 10/156:30 pmIAD - SOF
1 stop12h 30mMultiple Airlines
Deal found 8/21$473
This KLM deal was found by Cheapflights users on 8/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Wed 11/126:50 pmIAD - SOF
1 stop12h 15mMultiple Airlines
Deal found 8/20$474
This KLM deal was found by Cheapflights users on 8/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Fri 10/179:20 pmIAD - SOF
1 stop33h 40mMultiple Airlines
Deal found 8/21$475
This Air France deal was found by Cheapflights users on 8/21. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:00 amSOF - IAD
1 stop19h 15mAir France
Sat 11/156:50 pmIAD - SOF
1 stop12h 05mAir France
Deal found 8/21$479
This KLM deal was found by Cheapflights users on 8/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:00 amSOF - DCA
2 stops17h 05mKLM
Wed 9/172:50 pmDCA - SOF
2 stops16h 10mKLM
Deal found 8/21$483
This KLM deal was found by Cheapflights users on 8/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:00 amSOF - IAD
2 stops16h 57mMultiple Airlines
Wed 10/156:30 pmIAD - SOF
1 stop12h 30mMultiple Airlines
Deal found 8/21$484
This KLM deal was found by Cheapflights users on 8/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:00 amSOF - IAD
2 stops16h 57mMultiple Airlines
Fri 10/179:20 pmIAD - SOF
1 stop33h 40mMultiple Airlines
Deal found 8/21$485
This FlightHub deal was found by Cheapflights users on 8/20. 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 9/173:35 pmSOF - IAD
1 stop27h 10mTurkish Airlines
Thu 10/161:30 pmIAD - SOF
1 stop18h 15mTurkish Airlines
Deal found 8/20$525
This Air France deal was found by Cheapflights users on 8/21. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:00 amSOF - IAD
1 stop16h 20mAir France
Wed 9/176:30 pmIAD - SOF
1 stop12h 30mAir France
Deal found 8/21$557
This KLM deal was found by Cheapflights users on 8/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:00 amSOF - IAD
1 stop15h 35mKLM
Wed 9/175:25 pmIAD - SOF
1 stop13h 35mKLM
Deal found 8/20$558
This Turkish Airlines deal was found by Cheapflights users on 8/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/123:35 pmSOF - IAD
1 stop27h 10mTurkish Airlines
Wed 11/121:30 pmIAD - SOF
1 stop12h 45mTurkish Airlines
Deal found 8/20$572

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sofia to District of Columbia 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 August 21, 2025.
Use the filters below to find and compare flights from Sofia to District of Columbia that are best for you.

Fly from

Sofia

Fly to

District of Columbia

Route

Depart

Return

Price

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 9/4

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 9/17

6:30 pm-2:00 pm

1 stop12h 30m

$472

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 10/10

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Tue 10/14

6:30 pm-2:00 pm

1 stop12h 30m

$473

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 10/4

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 10/15

6:30 pm-2:00 pm

1 stop12h 30m

$473

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sun 10/5

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 10/15

6:30 pm-2:00 pm

1 stop12h 30m

$473

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 10/4

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 10/16

6:30 pm-2:00 pm

1 stop12h 30m

$473

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 10/6

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 10/16

6:30 pm-2:00 pm

1 stop12h 30m

$473

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/17

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 10/16

6:30 pm-2:00 pm

1 stop12h 30m

$473

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sun 10/5

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 10/16

6:30 pm-2:00 pm

1 stop12h 30m

$473

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 10/6

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 10/15

6:30 pm-2:00 pm

1 stop12h 30m

$473

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 10/14

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Tue 11/11

6:50 pm-1:55 pm

1 stop12h 05m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 27 results
1
2
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Best time to book a flight from Sofia to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Sofia 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.

Cheapflights Insights

Everything you need to know about your flight from Sofia to District of Columbia

What is the cheapest month to book a flight from Sofia to District of Columbia?

Currently, July is the cheapest month in which you can book a flight from Sofia to District of Columbia (average of $303). Flying from Sofia to District of Columbia in April is currently the most expensive (average of $337). 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 SOF to DC?

Find hourly flight availability from Sofia to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

When flying from Sofia to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated August 21, 2025.
Get a feel of what it's like to fly with KLM, Austrian Airlines, and United Airlines from Sofia to District of Columbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,388 reviews

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,388 reviews
KLM
7.8
Good
1,388 reviews

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Austrian Airlines
7.6
Good
832 reviews
KLM
7.8
Good
1,388 reviews

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,930 reviews
KLM
7.8
Good
1,388 reviews

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Turkish Airlines
7.3
Good
3,950 reviews
KLM
7.8
Good
1,388 reviews

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,344 reviews
KLM
7.8
Good
1,388 reviews

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Sofia to District of Columbia. 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 from for flights from Sofia to District of Columbia?

    Sofia (SOF) is the airport you will fly out of if you book a flight from Sofia to District of Columbia. It is only a 4.2 mi journey to Sofia (SOF) from Sofia’s city center.

  • How long is the flight from Sofia to District of Columbia?

    Departing from Sofia to District of Columbia will take you 16h 36m. Airlines will cover a distance of 4919 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Sofia to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Sofia to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sofia to District of Columbia?

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

  • Can I find deals for business class flights from Sofia to District of Columbia?

    Yes. Cheapflights offers flight deals from Sofia to District of Columbia 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 Sofia to District of Columbia?

    Currently, July is the cheapest month in which you can book a flight from Sofia to District of Columbia (average of $303). Flying from Sofia to District of Columbia in April is currently the most expensive (average of $337). 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

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Alternative routes for Sofia to District of Columbia

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Top 4 airlines flying from Sofia to District of Columbia

Discover the top 4 airlines that operate flights from Sofia to District of Columbia. 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$520Average$601FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$572Average$685FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$584Average$647FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$614Average$665FlexibilityNo cancel feeOn-time77%

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