How does KAYAK find such low prices on flights from Washington to Sofia?

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 Washington to Sofia. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sofia from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Sofia?

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 Sofia with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

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

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 Sofia from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$446 CHEAP FLIGHTS from Washington to Sofia

SOF

KAYAK searches hundreds of travel sites at once for deals on flights to Sofia

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$446

Overall average: $749

Lufthansa

Sun 2/15Tue 3/3

SEA - SOF • 1 stop

Cheapest one-way

$1,168

Typical prices: $550-$940

Multiple Airlines

Wed 5/13

SEA - SOF • 3 stops

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 Sofia!

Flight Deals

Cheap Flights from Washington to Sofia

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Sofia 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.

Round-trip

One-way

Recent round-trip flight deals from Washington to Sofia

Sun, Feb 15 - Tue, Mar 3

3:10 pm - 6:20 pm

SEA

SOF

17h 10m

1 stop

6:00 am - 7:03 pm

SOF

SEA

23h 03m

2 stops

$446Lufthansa

Sun, Feb 15 - Tue, Mar 3

3:10 pm - 6:20 pm

SEA

SOF

17h 10m

1 stop

6:00 am - 12:10 pm

SOF

SEA

16h 10m

1 stop

$456Lufthansa

Thu, Feb 26 - Thu, Mar 5

9:55 am - 1:50 pm

SEA

SOF

17h 55m

2 stops

6:00 am - 10:16 pm

SOF

SEA

26h 16m

2 stops

$459Air Canada

Thu, Feb 26 - Thu, Mar 5

9:55 am - 1:50 pm

SEA

SOF

17h 55m

2 stops

6:00 am - 12:10 pm

SOF

SEA

16h 10m

1 stop

$470Lufthansa

Wed, Apr 1 - Wed, Apr 8

5:50 am - 6:40 pm

SEA

SOF

26h 50m

2 stops

6:20 am - 12:20 pm

SOF

SEA

16h 00m

1 stop

$473Multiple Airlines

Wed, Apr 1 - Wed, Apr 22

1:39 pm - 11:10 pm

PDX

SOF

23h 31m

2 stops

6:20 am - 6:30 pm

SOF

PDX

22h 10m

2 stops

$483Multiple Airlines

Wed, Feb 25 - Wed, Mar 4

1:25 pm - 2:05 pm

PDX

SOF

14h 40m

1 stop

7:00 am - 11:25 am

SOF

PDX

14h 25m

1 stop

$492KLM

Tue, Mar 10 - Mon, Mar 16

2:18 pm - 8:10 pm

SEA

SOF

20h 52m

2 stops

5:25 pm - 12:30 pm

SOF

SEA

28h 05m

1 stop

$495British Airways

Mon, Feb 9 - Wed, Feb 25

7:00 am - 2:05 pm

PDX

SOF

21h 05m

2 stops

7:00 am - 11:25 am

SOF

PDX

14h 25m

1 stop

$496KLM

Sun, Feb 8 - Wed, Feb 25

6:00 am - 4:20 pm

PDX

SOF

24h 20m

2 stops

9:00 pm - 11:16 pm

SOF

PDX

36h 16m

2 stops

$500British Airways

Useful Info

Low season	February
High season	July
Cheapest flight	$446

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly with an average 8% increase in price.

Flight from Seattle to Sofia

How does KAYAK find such low prices on flights from Washington to Sofia?
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 Washington to Sofia.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Sofia?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sofia from Washington 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 Washington to Sofia?
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 Sofia with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Sofia?
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 Sofia from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Velingrad

Sandanski

Everything you need to know for your flight to Sofia

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Sofia

Sofia (SOF)

SOF

$446 Find Cheap Flights from Washington to Sofia

KAYAK searches hundreds of travel sites at once for deals on flights to Sofia

Everything you should know

Cheap Flights from Washington to Sofia

Recent round-trip flight deals from Washington to Sofia

Recent one-way flight deals from Washington to Sofia

Good to know

FAQs for booking flights from Washington to Sofia

How does KAYAK find such low prices on flights from Washington to Sofia?

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 Washington to Sofia.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sofia from Washington 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 Washington to Sofia?

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 Sofia with an airline and back to Washington with another airline.

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

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 Sofia from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Sofia?

Everything you need to know for your flight to Sofia

Information on the airport you'll fly into in Sofia

Cabin class types available on flights to Washington

Complete your trip to Sofia with a hotel stay or car rental

Find direct flights for Sofia

Flights to other popular destinations

Flights from domestic origins to Sofia

Choose which airport to fly into in Sofia

Find deals for your return flight