SOF - IAD

$443 Find Cheap Flights from Sofia to Washington, D.C.

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sofia to Dulles Intl departing on 8/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sofia to Washington, D.C..
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sofia to Washington, D.C..
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Everything you should know

Cheapest round-trip
$652
Typical prices: $709-$593
KLM
Sat 12/5Tue 2/16
SOF - IAD • 1 stop
Cheapest one-way
$443
Typical prices: $705-$741
Multiple Airlines
Tue 8/25
SOF - IAD • 3 stops
Top airlines
Cheapest • from $648 (round-trip)
Best reviews • 7.8 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Sofia and Dulles Intl. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $620 (round-trip)
Shortest trip • 12h 40m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 24% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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 Dulles Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sofia to Dulles Intl (SOF-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sofia to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sofia to Dulles Intl

Sat, Dec 5 - Tue, Feb 16
KLM Logo
7:00 am - 3:55 pm
SOF
-
IAD
15h 55m
1 stop
KLM Logo
5:45 pm - 2:05 pm
IAD
-
SOF
13h 20m
1 stop
$652KLM
Sat, Dec 5 - Tue, Feb 16
KLM Logo
7:00 am - 3:55 pm
SOF
-
IAD
15h 55m
1 stop
KLM Logo
1:00 pm - 2:05 pm
IAD
-
SOF
18h 05m
2 stops
$657KLM
Sat, Dec 5 - Tue, Feb 16
KLM Logo
7:00 am - 6:26 pm
SOF
-
IAD
18h 26m
2 stops
KLM Logo
1:00 pm - 2:05 pm
IAD
-
SOF
18h 05m
2 stops
$666KLM
Sat, Jul 18 - Sat, Sep 5
Air France Logo
7:00 am - 7:35 pm
SOF
-
IAD
19h 35m
1 stop
Air France Logo
6:15 pm - 2:00 pm
IAD
-
SOF
12h 45m
1 stop
$722Air France
Fri, Jul 31 - Sun, Aug 16
Multiple Airlines Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m
1 stop
Multiple Airlines Logo
9:45 pm - 2:00 pm
IAD
-
SOF
33h 15m
1 stop
$725Multiple Airlines
Sat, Dec 5 - Tue, Feb 16
Multiple Airlines Logo
12:05 pm - 7:55 pm
SOF
-
IAD
14h 50m
1 stop
Multiple Airlines Logo
9:45 pm - 8:10 pm
IAD
-
SOF
15h 25m
1 stop
$728Multiple Airlines
Fri, Jul 31 - Sun, Aug 16
Multiple Airlines Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m
1 stop
Multiple Airlines Logo
9:45 pm - 2:00 pm
IAD
-
SOF
33h 15m
1 stop
$731Multiple Airlines
Mon, Jun 22 - Sun, Jul 5
KLM Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m
1 stop
KLM Logo
5:40 pm - 2:00 pm
IAD
-
SOF
13h 20m
1 stop
$734KLM
Wed, Jul 15 - Tue, Aug 4
Turkish Airlines Logo
9:10 pm - 11:35 am
SOF
-
IAD
21h 25m
1 stop
Turkish Airlines Logo
1:20 pm - 3:00 pm
IAD
-
SOF
18h 40m
1 stop
$750Turkish Airlines
Wed, Jul 15 - Tue, Aug 4
Turkish Airlines Logo
9:10 pm - 11:35 am
SOF
-
IAD
21h 25m
1 stop
Turkish Airlines Logo
9:45 pm - 3:00 pm
IAD
-
SOF
34h 15m
1 stop
$751Turkish Airlines
Booking Insights

KAYAK's insights & trends for Sofia to Dulles Intl flights

Get data-powered insights and trends into flights from Sofia to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Sofia to Washington, D.C. Dulles Intl Airport departing in December.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sofia to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sofia to Washington, D.C. Dulles Intl Airport is February, where tickets cost $556 (return) on average. On the other hand, the most expensive months are May and June, where the average cost of round-trip tickets is $979 and $909 respectively.

Good to know

Low seasonFebruary
Cheapest flight$443
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Sofia to Washington, D.C.

When to book flights from Sofia to Dulles Intl

Are your dates flexible? Find out the best times to travel from Sofia to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Sofia to Washington, D.C. flights

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

    In the last 5 days, the lowest price for a flight from Sofia to Washington, D.C. Dulles Intl Airport was $432 for a one-way ticket and $648 for a round-trip.

  • Do I need a passport to fly between Sofia and Washington, D.C.?

    A passport is required to fly from Sofia to Washington, D.C..

  • Which airports will I be using when flying from Sofia to Washington, D.C.?

    Sofia airport is called Sofia and the only airport in Washington, D.C. is Washington, D.C. Dulles Intl.

  • Which aircraft models fly most regularly from Sofia to Washington, D.C.?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Sofia to Washington, D.C.?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Sofia and Washington, D.C., with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Sofia to Washington, D.C., KLM or Air France?

    The two airlines most popular with KAYAK users for flights from Sofia to Washington, D.C. are KLM and Air France. With an average price for the route of $610 and an overall rating of 7.8, KLM is the most popular choice. Air France is also a great choice for the route, with an average price of $680 and an overall rating of 7.5.

  • How does KAYAK find such low prices on flights from Sofia to Washington, D.C.?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sofia to Washington, D.C..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sofia to Washington, D.C.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Sofia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sofia to Washington, D.C.?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Sofia with another airline. Booking your flights between Sofia and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sofia to Washington, D.C.?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Sofia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from Sofia to Dulles Intl

 
See real verified KAYAK customer reviews for airlines flying from Sofia to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sofia to Dulles Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
KLMOverall score based on 1527 reviews
7.7Comfort
7.2Entertainment
8.4Crew
7.3Food
7.8Boarding
Airline reviews

Outstanding even though the 330 was one of the oldest in the fleet. The difference was the attentiveness and responsiveness of a really experienced flight attendant. For airline food great variety of interesting choices and good tastes supported by a good wine selection.

10.0 ExcellentBob, May 2026
AMS - YYZ
Read more KLM reviews

Outstanding even though the 330 was one of the oldest in the fleet. The difference was the attentiveness and responsiveness of a really experienced flight attendant. For airline food great variety of interesting choices and good tastes supported by a good wine selection.

There were no charge points for phones on the economy seats. The seats were comfortable overall. Food was okay.. flight was on time

The flight was delayed. The aircraft was unclean. Promised seat was not given due to change in Aircraft. Not one crew on ground was in a position to give any response. Amsterdam Airport is AVIODABLE Over crowded. Over Expensive. Poor Services.

Crew is not the cheerful type. very slow meal service (this is their style as have flown this many times)

I’m grateful for the KLM Air France shuttle bus service to Ottawa. However due to construction and other issues related to the chaotic Uber pickup system at YUL, it’s a challenge to find the Kelios bus service to Ottawa. The signs are not clear or even available. No staff to guide passengers. It’s a stressful experience.

They forgot to serve food and the crew was very unfriendly. Never experienced such a bad KLM flight. Usually fly from Toronto. New York was different.

Couldn’t get boarding pass in SLC even with help from a redcoat, so had to find a desk in AMS to get boarding pass. Technical problems so not sure why. Very inconvenient. The KLM app is not as user friendly as most apps. Also had to wait almost an hour on the tarmac for a fuel truck, which caused us to miss a connecting bus in LUX.

The immigration hall in Amsterdam was understaffed, so passport checking was slower than it should be for a major airport. They need to get the automatic readers up and running for non EU passport holders. Waiting in line after a long flight feels a bit abusive.

Over 1 Hr delay. No APU so no AC on ground. Plane was hot during boarding and then they closed the doors over 20 minutes before engine start so interior of plane was steamy hot and stuffy. Could have been helped by opening doors until ready to depart.

First of all we couldn’t check in online, then we learn at the airport we were on stand by for KLM’s mistake of overbooking. The seats were not comfy at all. Our luggage got lost.

I love Air France. This was another great experience despite a slight delay in the departure. The time was made up on flight. I would take AirFrance again when traveling to the far East. Merci beaucoup.

Everything is good except the seats are tightened no rooms for the legs,

The plane's pilots, including the captain himself, thanked me for the flight. I know it's just marketing, but it was really nice to see these people. It's a great idea. Airplane food is never "good," but the entire crew and flight organization were top-notch. I really liked Delta, and I think I've traveled all over the world, and that was something new for me. Maybe even the old planes, the B767, but next time I have a choice, Delta will be my first choice. Thank you, a satisfied passenger :)

Middle seats SUCK!!!! I paid more money than I should have because of your terrible site Kayak.com. I'll try to use your competitors going forward. I am so disappointed you would play off business class.com as business class seats

The boarding was efficient. The entertainment system was a bit unstable but Air France has a good selection of movies.

They lost my bag and I still haven’t received it yet

They lost my bag and I still have not received it

Not consistent with the food quality (I mean taste not freshness)

Safe and stable made me sleepy and I slept and dreamt 😂😂😂😂

Food was really mediocre for premium economy in comparison to other airlines… the crew was nowhere to be found… 14 hour flight…

Older plane with finicky seats. Crew often seem to focus on "pet" clients and over extend services to some over others. I get less attention since I'm not a regular business class client. Regardless, I've paid the money and would expect equal attention.

Our flight attendant was stellar with great anticipation and attention to details. Food was very good, and overall flight, though very long, was really good.

Be honest of what you sell: This was sold as Business Class on all three legs, while the JetBlue plane didn't even have business class seats, and wanted $164 for extra legroom seats.

Great food, and lots of it. They made us come to the gate two hours before the flight and you were stuck in the enclosure until you boarded with no bathroom or food or drink. My seat in business class was very claustrophobic, I could barely get into it and a large board blocked the window and made it even more claustrophobic

Turkish Business Class is a wonderful experience, and the best inflight dining experience I’ve had to date.

The crew was amazing and the food was really good too

Some of the best service I’ve ever seen on an international flight! The staff were super friendly and accommodating. The food was excellent with lots of choices and attention to detail. The seats are kind of old and narrow, but I have wide shoulders. The only area for improvement was making the cabin a little cooler.

It was fantastic. I really enjoyed it. It’s comfortable the flight attendant. Respect you anything you ask for they gave you except the water.

We were experiencing delayed for 4 hours and of course they took us to Turkish airlines lounge but we could not rested up since there is no bedroom. It was tiring and long day for us🙏 Especially we didn’t fly until 5:45am morning for Miami🙏😢

On Turkish it is all about the food and the service. I am overwhelmed with the quality and variety of the dining service offered on business class. I prefer the updated A350 to the older B777 cabin layout, but both are comfortable. Flights left and arrived on time with updates from the captain. I will definitely fly with them again.

Our flight was delayed 2.5 hours from Lisbon to DC so we missed our connection to Seattle that would have arrived at about 9 PM. The agent initially said we had to stay overnight in DC and there were no other options to put us on to get us to Seattle. While on board I discovered a flight via American he could have put us in but by the time we arrived in DC that was sold out. We were then put on a flight to San Francisco that was also delayed then arrived in San Francisco and our flight to Seattle was also delayed so we ended up not arriving until 2:15 am. Our son could not pick us up so we ended up having to pay over $100 to Uber home. This is the second trip with United that the flight has been delayed causing us to miss an evening in Las Vegas and we were given nothing.

MY FAMILY'S LUGGAGE WAS LOST FROM ROME TO BARI. I WAS THE ONLY ONE THAT RECEIVED MY LUGGAGE FROM ROME TO BARI. AFTER DEPLANING IN BARI, WE WASTED A LOT OF TIME AT BAG CLAIMS LOST AND FOUND REPORTING THE CLAIM AND PLEADING FOR THE BAGS TO BE DELIVERED THE NEXT DAY. WE WERE TOLD THAT IT TAKES 3 DAYS MINIMUM TO DELIVER. MY DAUGHTER AND MY GIRLFRIEND NEEDED THEIR PERSONAL THINGS AND WE WERE STAYING 3 HOURS AWAY FROM THE BARI AIRPORT. WE HAD TO DRIVE 3 HOURS TO THE AIRPORT TO COLLECT OUR LOST LUGGAGE THE NEXT DAY. WE ARE NOT HAPPY WITH THE EXPERIENCE

There were no facilities in the middle of the aircraft and premium economy was not allowed to use the business class facilities, and had to share the only two toilets at the back with economy. The upgrade to Premium was definitely not worth it

Our flight to Rome, Italy was cancelled the day of and we were never informed. We only found out because I was trying to get into my husbands account and called to get his account number. Had to pay more for worse seating on another airline.

The economy seat was much less comfortable for an international flight in terms of recline and moving space when food tray is expanded. Per entertainment, it would be amazing if I could connect my Bluetooth headset or ear phones to the entertainment screen. Or provide in-flight wifi to connect directly from my own device.

We were a little disappointed to not be able to complete check in online without uploading pics of passports. Also we have KTN's and they weren't on our boarding passes when we got to security. Had to trek back to counter to have them fix.

Excellent service in Polaris class IAD to ZRH. Arrived rested and well fed after the overnight flight.

It's a short hop. My carryon was checked at the gate, I didn't have to drag it all over the airport. Excellent wheelchair assist.

Was great in general, try to respect time and excuses when slight changes have been made, appreciated!

Terrific in every way. On time, professional staff, multiple movie options to select, great food and drink.

Original Lufthansa flights were canceled and the alternative route that was offered required cab transfer in New York from JFK to Newark at my own expense. Who can refund these $218?

flight was packed, had to check my carryon bag, tiny snack bag offered, but we arrived on time and thats what counts

Bulkhead seats should not be an extra charge. They are extremely uncomfortable. And we missed our connecting flight due to slow luggage retreaval.

Lufthansa flight LH04414 from Munich to Washington DC, was fine. Efficient and safe!

Bumpy ride, not Lufthansa‘s fault. Crew managed a situation over a back rest to far down well. It was two iles behind me. The person putting the seat down, against the other person’s knees, was quite rude and belligerent and needed to be told in a no nonsense matter to stopp. Male flight attendant did good job.

Had a few open seats and could use it for a great rest ful journey

It was very good. Service was friendly and efficient, and food was good.

We left 1.5 hours late therefore missing my connection. The airline didn’t give vouchers.

Food could have something without dairy, I couldn't eat anything. Tv for both seats was malfunctioning. They have one bottle of ginger ale for entire plane.... and I paid extra for these seats...very disappointed

We took two long flights with Lufthansa, both were delayed making us miss our connecting flights. Lufthansa took care of the first one. The second was a switch to United and figuring out how to rebook was not a pleasant experience.

Everything you need to know for your flight from Sofia to Dulles Intl

Information on your arrival and departure airports