What is the cheapest airline that flies from Washington to Bulgaria?

Turkish Airlines and British Airways are the most popular carriers operating from Washington to Bulgaria

How long is the flight from State of Washington to Bulgaria?

Flight times from State of Washington to Bulgaria vary, but if you’re flying out of Seattle and flying into Sofia (one of the most popular routes), then the duration is 14h 05m on average. Another popular route from State of Washington to Bulgaria is flying from Spokane to Sofia, which will take roughly 51h 24m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Bulgaria?

Turkish Airlines, Lufthansa and KLM are the top three most popular airlines that fly to Bulgaria from State of Washington according to our data. Turkish Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Bulgaria. Keep in mind that there are 4 different airlines that fly to Bulgaria on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington to Bulgaria?

Prices for flights from Washington to Bulgaria are refreshed on a daily basis.

How many operators does momondo search for flights from Washington to Bulgaria?

As of March 2026, there are 4 operators available to choose from for flights from Washington to Bulgaria.

How old do you have to be to fly from Washington to Bulgaria?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Bulgaria.

What documentation or ID do you need to fly to Bulgaria?

The travel and health documents required for your trip to Bulgaria can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bulgaria. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$238 Cheap Flights from Washington to Bulgaria in 2026

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Find the cheapest flights from Washington to Bulgaria

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:10 pm - 8:15 pm

SEA

SOF

15h 05m

1 stop

3:50 pm - 5:15 pm

SOF

SEA

35h 25m

1 stop

$596Turkish Airlines

Mon, Aug 17 - Wed, Sep 16

7:10 pm - 8:15 pm

SEA

SOF

15h 05m

1 stop

9:35 am - 5:15 pm

SOF

SEA

17h 40m

1 stop

$598Turkish Airlines

Thu, Apr 23 - Thu, May 28

7:10 pm - 8:15 pm

SEA

SOF

15h 05m

1 stop

9:35 am - 5:15 pm

SOF

SEA

17h 40m

1 stop

$600Turkish Airlines

Thu, Apr 23 - Thu, May 28

7:10 pm - 3:00 pm

SEA

SOF

33h 50m

1 stop

9:05 pm - 5:15 pm

SOF

SEA

30h 10m

1 stop

$605Turkish Airlines

Sun, Sep 6 - Tue, Sep 22

7:30 pm - 8:30 pm

PDX

SOF

15h 00m

1 stop

9:25 pm - 9:57 pm

SOF

PDX

34h 32m

2 stops

$759British Airways

Tue, Aug 25 - Wed, Sep 16

8:29 am - 12:10 pm

PDX

SOF

17h 41m

2 stops

11:05 am - 7:06 pm

SOF

PDX

18h 01m

2 stops

$761Multiple Airlines

Mon, Aug 24 - Wed, Sep 16

8:29 am - 12:10 pm

PDX

SOF

17h 41m

2 stops

6:30 am - 2:51 pm

SOF

PDX

18h 21m

2 stops

$765Multiple Airlines

Mon, Aug 24 - Thu, Sep 17

7:00 am - 6:40 pm

PDX

SOF

25h 40m

2 stops

6:20 am - 7:06 pm

SOF

PDX

22h 46m

2 stops

$772United Airlines

Sun, Aug 23 - Wed, Sep 16

7:00 am - 6:40 pm

PDX

SOF

25h 40m

2 stops

6:10 am - 12:47 am

SOF

PDX

28h 37m

3 stops

$775United Airlines

Sun, Aug 23 - Tue, Sep 15

7:10 am - 12:10 pm

GEG

SOF

19h 00m

3 stops

2:10 pm - 10:11 pm

SOF

GEG

42h 01m

3 stops

$3,373Air Canada

Mon, Apr 6 - Fri, Apr 10

United Airlines flights from State of Washington to Bulgaria

Our best United Airlines deals on State of Washington to Bulgaria flight tickets

United Airlines

Aug 10

SEA2:33 pmSeattle/Tacoma Intl

18h 07m

2 stops

SOF6:40 pmSofia

Nov 4

SOF6:10 amSofia

16h 00m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

$701

United Airlines

Aug 10

SEA2:33 pmSeattle/Tacoma Intl

22h 27m

2 stops

SOF11:00 pmSofia

Nov 5

SOF6:10 amSofia

26h 06m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

$709

United Airlines

Aug 11

SEA5:22 pmSeattle/Tacoma Intl

19h 38m

2 stops

SOF11:00 pmSofia

Nov 3

SOF6:10 amSofia

21h 59m

2 stops

SEA6:09 pmSeattle/Tacoma Intl

$711

Air Canada flights from State of Washington to Bulgaria

Our best Air Canada deals on State of Washington to Bulgaria flight tickets

Air Canada

Aug 16

SEA8:00 amSeattle/Tacoma Intl

24h 40m

2 stops

SOF6:40 pmSofia

Nov 6

SOF6:10 amSofia

25h 46m

2 stops

SEA9:56 pmSeattle/Tacoma Intl

$705

Air Canada

Aug 16

SEA8:00 amSeattle/Tacoma Intl

24h 40m

2 stops

SOF6:40 pmSofia

Nov 2

SOF1:55 pmSofia

58h 36m

2 stops

SEA2:31 pmSeattle/Tacoma Intl

$717

Air Canada

Aug 12

SEA8:00 amSeattle/Tacoma Intl

24h 05m

2 stops

SOF6:05 pmSofia

Nov 2

SOF1:55 pmSofia

58h 36m

2 stops

SEA2:31 pmSeattle/Tacoma Intl

$729

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mon 8/17

7:10 pm-8:15 pm

1 stop15h 05m

Sofia

Wed 9/16

3:50 pm-5:15 pm

1 stop35h 25m

$596

Quickest round-trip

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 4/23

7:10 pm-8:15 pm

1 stop15h 05m

Sofia

Thu 5/28

9:35 am-5:15 pm

1 stop17h 40m

$598

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 4/23

7:10 pm-8:15 pm

1 stop15h 05m

Sofia

Thu 5/28

9:35 am-5:15 pm

1 stop17h 40m

$600

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 9/6

7:10 pm-3:00 pm

1 stop33h 50m

Sofia

Tue 9/22

9:05 pm-5:15 pm

1 stop30h 10m

$605

PortlandSofia

PDX - SOF

PDXSOF

Portland

Tue 8/25

7:30 pm-8:30 pm

1 stop15h 00m

Sofia

Wed 9/16

9:25 pm-9:57 pm

2 stops34h 32m

$759

PortlandSofia

PDX - SOF

PDXSOF

Portland

Mon 8/24

8:29 am-12:10 pm

2 stops17h 41m

Sofia

Wed 9/16

11:05 am-7:06 pm

2 stops18h 01m

$761

PortlandSofia

PDX - SOF

PDXSOF

Portland

Mon 8/24

8:29 am-12:10 pm

2 stops17h 41m

Sofia

Thu 9/17

6:30 am-2:51 pm

2 stops18h 21m

$765

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sun 8/23

7:00 am-6:40 pm

2 stops25h 40m

Sofia

Wed 9/16

6:20 am-7:06 pm

2 stops22h 46m

$772

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sun 8/23

7:00 am-6:40 pm

2 stops25h 40m

Sofia

Tue 9/15

6:10 am-12:47 am

3 stops28h 37m

$775

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Mon 4/6

7:10 am-12:10 pm

3 stops19h 00m

Sofia

Fri 4/10

2:10 pm-10:11 pm

3 stops42h 01m

$3,373

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Bulgaria

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

Prices

Airlines

Other information

What is the cheapest month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $615.

How far in advance should I book a flight to Bulgaria?

You are more likely to see cheaper flights to Bulgaria from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $762 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from State of Washington for as low as $617 on momondo.

Can stopping save me money on State of Washington to Bulgaria flights?

You could potentially save up to 42% on your flight if you consider stops on a State of Washington to Bulgaria flight.

Cheap State of Washington to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Bulgaria

Fastest flight time	14h 05m
Direct flights	None

The fastest flight from State of Washington to Bulgaria takes 14h 05m

There are no direct flights from State of Washington to Bulgaria. There are no popular flight routes from State of Washington to Bulgaria.

Search flight deals

When did momondo last update prices for flights from Washington to Bulgaria?
Prices for flights from Washington to Bulgaria are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Bulgaria?
As of March 2026, there are 4 operators available to choose from for flights from Washington to Bulgaria.
How old do you have to be to fly from Washington to Bulgaria?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Bulgaria.
What documentation or ID do you need to fly to Bulgaria?
The travel and health documents required for your trip to Bulgaria can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bulgaria. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from State of Washington to Bulgaria

Compare and see reviews for airlines that fly from State of Washington to Bulgaria with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $538	Free Cancellation	Rating 7.8 1,477 reviews	Search KLM flights
Lufthansa	PriceFrom $541	Free Cancellation	Rating 6.8 7,867 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $587	Free Cancellation	Rating 7.4 4,275 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.4 9,474 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Bulgaria?

It is quick and easy to find Washington to Bulgaria flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bulgaria that suits you.

Can I find flights from Washington to Bulgaria with flexible booking policies on momondo?

Yes. All flights to Bulgaria from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Bulgaria?

Once all potential Washington to Bulgaria 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 to Bulgaria right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington to Bulgaria flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Popular cities in Bulgaria

Flights to Sofiafrom $514

Flights to Varnafrom $546

Flights to Burgasfrom $735

Flights to Plovdivfrom $880

Cheap flights from Washington to Bulgaria from $238

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 to Bulgaria departing on 4/26. 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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United Airlines flights from State of Washington to Bulgaria

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How to get the cheapest flight ticket from State of Washington to Bulgaria

What is the cheapest month to fly to Bulgaria?

How far in advance should I book a flight to Bulgaria?

Can stopping save me money on State of Washington to Bulgaria flights?

What is the cheapest airline that flies from Washington to Bulgaria?

What airlines fly to Bulgaria?

How long is the flight from State of Washington to Bulgaria?

Cheap State of Washington to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Bulgaria

Fastest flight time

Direct flights

Best airlines flying from State of Washington to Bulgaria

Compare and see reviews for airlines that fly from State of Washington to Bulgaria with momondo

Why use momondo?

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bulgaria

Popular cities in Bulgaria

Popular flights according to clicks in the last 7 days on momondo

State of Washington flight routes

According to popular flight searches on momondo this year

Bulgaria flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Bulgaria

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Cabin classes currently available on flights to Bulgaria

List of cabin classes available on flights landing in Bulgaria. Availability may vary depending on flight origin and airline.

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Explore popular destinations other users love

According to popular flight searches on momondo this year