Washington (IAD) → Sofia (SOF)
About Washington to Sofia Flights
Discover the best flights from Washington to Sofia, covering 7,942 km in approximately 10h 26m. Washington (IAD) to Sofia (SOF) is one of the major long-haul routes connecting United States and Bulgaria. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Washington to Sofia.
12-Month Price History
Flight prices from Washington to Sofia vary significantly throughout the year. February typically offers the best deals with average prices around $1486, while July sees the highest prices, averaging $2506. Savvy travelers can save up to 41% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
63 days
For best prices
Booking Tips
For the best prices on Washington to Sofia flights, we recommend booking 78 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
American Airlines AA | $2130 | $8630 | $13600 |
British Airways BA | $2230 | $7640 | $14430 |
Lufthansa LH | $2270 | $8160 | $15500 |
United Airlines UA | $2440 | $6610 | $12880 |
Air France AF | $2510 | $8980 | $14830 |
Bulgaria Air FB | $2600 | $8540 | $14290 |
Delta Air Lines DL | $2710 | $6960 | $12010 |
American Airlines
AA
Economy
$2130
Business
$8630
First
$13600
British Airways
BA
Economy
$2230
Business
$7640
First
$14430
Lufthansa
LH
Economy
$2270
Business
$8160
First
$15500
United Airlines
UA
Economy
$2440
Business
$6610
First
$12880
Air France
AF
Economy
$2510
Business
$8980
First
$14830
Bulgaria Air
FB
Economy
$2600
Business
$8540
First
$14290
Delta Air Lines
DL
Economy
$2710
Business
$6960
First
$12010
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Washington → Sofia
Ronald Reagan Washington National (DCA) to Sofia (SOF)
Distance: 7,922 km
Average price: $1675
Washington → Skopje
Washington Dulles International (IAD) to Skopje International (SKP)
Distance: 7,871 km
Average price: $1665
Washington → Pristina
Washington Dulles International (IAD) to Pristina International (PRN)
Distance: 7,792 km
Average price: $1649
Washington → Skopje
Washington Dulles International (IAD) to Skopje (SKP)
Distance: 7,871 km
Average price: $1665
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Frequently Asked Questions
How long is the flight from Washington to Sofia?
The flight time from Washington (IAD) to Sofia (SOF) is approximately 10 hours and 26 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Washington and Sofia?
The aerial distance between Washington and Sofia is 7,942 kilometers (4,935 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Washington to Sofia?
Several airlines operate flights between Washington and Sofia, including United Airlines, Bulgaria Air, American Airlines and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Washington to Sofia?
Based on historical data, February typically offers the lowest airfares for flights from Washington to Sofia. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Sofia?
For the best prices on Washington to Sofia flights, we recommend booking 119 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Washington to Sofia?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Bulgaria should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Washington and Sofia?
Washington operates on America/New_York time zone, while Sofia is in the Europe/Sofia time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.