Cheap flights from Washington, D.C. to Sofia from $371
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Sofia departing on 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Lufthansa flights from Washington, D.C. to Sofia
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Use the filters below to find and compare flights from Washington, D.C. to Sofia that are best for you.
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Sat 11/7
5:25 pm-1:10 am
2 stops24h 45m
Sofia
Sat 11/21
4:55 pm-8:35 pm
2 stops34h 40m
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Wed 1/6
8:10 pm-3:25 pm
1 stop12h 15m
Sofia
Wed 1/20
6:25 am-3:55 pm
1 stop16h 30m
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Sun 3/21
11:55 pm-6:20 pm
1 stop12h 25m
Sofia
Thu 3/25
6:25 am-4:55 pm
1 stop16h 30m
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Tue 1/5
10:55 pm-10:55 pm
1 stop17h 00m
Sofia
Tue 1/19
6:25 am-3:55 pm
1 stop16h 30m
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Mon 2/15
6:00 am-1:15 pm
2 stops24h 15m
Sofia
Wed 2/17
6:25 am-2:35 pm
1 stop15h 10m
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Mon 2/15
7:13 am-1:15 pm
2 stops23h 02m
Sofia
Wed 2/17
6:25 am-3:55 pm
1 stop16h 30m
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Wed 10/28
2:30 pm-3:10 pm
1 stop18h 40m
Sofia
Wed 11/11
9:40 pm-11:45 am
1 stop21h 05m
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Wed 11/25
9:20 pm-8:50 pm
1 stop16h 30m
Sofia
Wed 12/9
9:40 pm-11:45 am
1 stop21h 05m
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Tue 11/10
6:00 pm-11:50 am
1 stop10h 50m
Sofia
Wed 1/6
7:55 am-2:10 pm
1 stop13h 15m
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Mon 12/28
6:10 pm-6:00 pm
1 stop16h 50m
Sofia
Tue 1/5
12:35 pm-2:10 pm
1 stop32h 35m
See travel insights to Sofia from
How to get the cheapest flight ticket from Washington, D.C. to Sofia
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Washington, D.C. and Sofia?
Prices are currently low for flights on this route.
Typical prices usually range from $717 to $965.The lowest price recently found on this route was $649.
What is the cheapest month to fly to Sofia?
The cheapest month to fly to Sofia from Washington, D.C. is in February. Flight prices, which tend to average around $580, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Sofia from Washington, D.C. during January instead. Flights to Sofia in January, while not as cheap as those in February, still average around $659.
How far in advance should I book a flight from Washington, D.C. to Sofia?
You are more likely to see cheaper flights to Sofia from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $827 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Washington, D.C. for as low as $766 on momondo.
Which airport is the most popular layover for flights between Washington, D.C. and Sofia?
Vienna (VIE) was the most common stop: 30% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Washington, D.C. to Sofia?
Flights via Zurich (ZRH) offer the lowest average round-trip price of $662.
Which layover airport has the shortest travel time from Washington, D.C. to Sofia?
Flights connecting via Vienna (VIE) have the shortest average one-way travel time: 11h 11m.
Which layover airport has the shortest connection time from Washington, D.C. to Sofia?
Vienna (VIE) has the shortest average layover time for this route: 1h 36m.
When to book flights from Washington, D.C. to Sofia
Cheap Washington, D.C. to Sofia (WAS to SOF) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Sofia
Frequently asked questions about flying from Washington, D.C. to Sofia
How far is Washington, D.C. to Sofia by plane?
The straight-line distance from Washington, D.C. to Sofia is 4912.7 mi. A reasonable flight in good conditions will take 12h 10m.
When did momondo last update prices for flights from Washington, D.C. to Sofia Airport?
Prices for flights from Washington, D.C. to Sofia Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Sofia Airport?
The number of operators available for flights from Washington, D.C. to Sofia Airport is 4 as of October 2026.
How old do you have to be to fly from Washington, D.C. to Sofia Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Sofia?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Sofia is Lufthansa, representing 42% of all bookings. The subsequent popular airlines are United Airlines at 23%, Turkish Airlines at 23%, and Austrian Airlines at 9%.
Best airlines flying from Washington, D.C. to Sofia
Compare and see reviews for airlines that fly from Washington, D.C. to Sofia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $535 | Free Cancellation | Rating 7.4 4,457 reviews | |||
| PriceFrom $637 | Free Cancellation | Rating 7.4 10,330 reviews | |||
| PriceFrom $638 | Free Cancellation | Rating 6.8 8,269 reviews | |||
| PriceFrom $809 | Free Cancellation | Rating 7.6 979 reviews |
Traveling to a place near Sofia?
Book flights to Sofia if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Sofia?
Finding the right flight to Sofia from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sofia quick and easy, saving you time and money.
Can I find flights from Washington, D.C. to Sofia with flexible booking policies on momondo?
Yes. All flights to Sofia from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Washington, D.C. to Sofia?
Once all potential Washington, D.C. to Sofia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Washington, D.C. to Sofia right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Washington, D.C. to Sofia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sofia and let you know when they change.