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>

$347 CHEAP FLIGHTS from Washington to Sofia

SOF

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Cheap Flight Deals 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.

Round-trip

One-way

Recent round-trip flight deals from Washington to Sofia

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington to Sofia.

Discover the best prices for you by selecting your travel dates on KAYAK.

Choose your dates

8:30 am - 2:00 pmSEA-SOF

19h 30m2 stops

7:00 am - 11:45 amSOF-SEA

14h 45m1 stop

$656

Find Deal

Tue, Aug 26 - Tue, Sep 16

5:40 pm - 2:00 pmSEA-SOF

34h 20m1 stop

7:00 am - 11:45 amSOF-SEA

14h 45m1 stop

$657KLM

Find Deal

Mon, Aug 25 - Tue, Sep 16

3:19 pm - 10:05 amSEA-SOF

32h 46m2 stops

6:20 am - 11:55 amSOF-SEA

15h 35m1 stop

$658

Find Deal

Mon, Aug 25 - Tue, Sep 16

3:19 pm - 10:05 amSEA-SOF

32h 46m2 stops

1:15 pm - 8:54 pmSOF-SEA

41h 39m2 stops

$663SWISS

Find Deal

Tue, Aug 26 - Tue, Sep 16

6:50 pm - 11:00 pmSEA-SOF

18h 10m1 stop

6:15 am - 7:37 pmSOF-SEA

23h 22m2 stops

$724United Airlines

Find Deal

Wed, May 7 - Wed, May 21

10:00 am - 5:50 pmSEA-SOF

21h 50m2 stops

6:20 am - 7:37 pmSOF-SEA

23h 17m2 stops

$727Air Canada

Find Deal

Wed, May 7 - Tue, May 20

11:30 am - 6:40 pmSEA-SOF

45h 10m2 stops

6:20 am - 7:37 pmSOF-SEA

23h 17m2 stops

$730Air Canada

Find Deal

Sat, May 10 - Tue, May 20

6:50 pm - 11:00 pmSEA-SOF

18h 10m1 stop

6:00 am - 4:59 pmSOF-SEA

20h 59m1 stop

$735Lufthansa

Find Deal

Wed, May 7 - Fri, May 23

7:20 am - 5:50 pmSEA-SOF

24h 30m2 stops

8:00 am - 8:54 pmSOF-SEA

22h 54m3 stops

$748United Airlines

Find Deal

Mon, Aug 25 - Tue, Sep 16

1:45 pm - 10:05 amSEA-SOF

34h 20m2 stops

3:30 pm - 6:33 pmSOF-SEA

37h 03m2 stops

$779SWISS

Find Deal

Thu, May 8 - Mon, May 19

Low season	January
High season	August
Cheapest flight	$347

Best time to beat the crowds with an average 17% drop in price.

Most popular time to fly with an average 5% 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.

See more FAQs

Velingrad

Sandanski

Everything you need to know for your flight to Sofia

Information on the airport you'll fly into in Sofia

Sofia (SOF)

SOF

$347 Find Cheap Flights from Washington to Sofia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Sofia departing on 8/13. 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.

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

Cheap Flight Deals 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

Low season

High season

Cheapest flight

FAQs for booking flights from Washington to Sofia

How does KAYAK find such low prices 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?

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

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

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

Cabin classes available on flights to Sofia. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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

Find direct flights for Sofia

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Flights from domestic origins to Sofia

Flights from all regions of Washington to Sofia. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Choose which airport to fly into in Sofia

Find deals for your return flight