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

Lufthansa, KLM, and British Airways are the most popular carriers operating from Washington to Bulgaria

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 48% 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.

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 15h 15m on average. Another popular route from State of Washington to Bulgaria is flying from Spokane to Sofia, which will take roughly 31h 55m. Keep in mind that layovers or delays could extend your travel time.

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 August 2025, there are 5 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.

$395 Cheap Flights from Washington to Bulgaria in 2025

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Find the cheapest flights from Washington to Bulgaria

Round-trip

One-way

Last minute

Cheap round-trip flights

7:10 pm - 2:45 pmSEA-SOF

33h 35m1 stop

9:25 am - 5:15 pmSOF-SEA

17h 50m1 stop

$579Turkish Airlines

Find Deal

Wed, Sep 24 - Thu, Oct 2

12:30 pm - 8:35 amSEA-SOF

34h 05m1 stop

3:35 pm - 10:35 amSOF-SEA

29h 00m1 stop

$587Turkish Airlines

Find Deal

Thu, Sep 4 - Wed, Sep 17

9:55 am - 1:15 pmPDX-SOF

17h 20m2 stops

2:25 pm - 7:30 pmSOF-PDX

38h 05m2 stops

$611Air Canada

Find Deal

Wed, Oct 22 - Sat, Nov 1

9:55 am - 11:00 pmPDX-SOF

27h 05m2 stops

6:15 am - 6:46 pmSOF-PDX

22h 31m2 stops

$630

Find Deal

Wed, Oct 8 - Wed, Oct 15

9:55 am - 5:50 pmPDX-SOF

21h 55m3 stops

6:25 am - 10:15 amSOF-PDX

36h 50m3 stops

$634Air Canada

Find Deal

Wed, Oct 22 - Sat, Nov 1

8:15 am - 2:05 pmSEA-SOF

19h 50m2 stops

7:00 am - 1:20 pmSOF-SEA

16h 20m1 stop

$655

Find Deal

Wed, Dec 24 - Fri, Jan 23

7:25 pm - 1:30 pmPDX-SOF

32h 05m1 stop

12:05 pm - 4:55 pmSOF-PDX

37h 50m1 stop

$656British Airways

Find Deal

Wed, Oct 22 - Sat, Nov 1

7:00 am - 11:15 amPDX-SOF

18h 15m2 stops

6:00 am - 10:45 pmSOF-PDX

26h 45m3 stops

$660United Airlines

Find Deal

Tue, Oct 7 - Wed, Oct 15

5:05 am - 11:00 pmGEG-SOF

31h 55m2 stops

6:15 am - 2:34 pmSOF-GEG

42h 19m2 stops

$670United Airlines

Find Deal

Fri, Oct 10 - Tue, Apr 7

3:00 pm - 8:40 pmSEA-SOF

19h 40m2 stops

5:25 pm - 11:30 amSOF-SEA

28h 05m1 stop

$677British Airways

Find Deal

Tue, Sep 30 - Mon, Nov 3

United Airlines flights from State of Washington to Bulgaria

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

United Airlines

Oct 7

PDX7:00 amPortland

18h 15m

2 stops

SOF11:15 amSofia

Oct 15

SOF6:00 amSofia

26h 45m

3 stops

PDX10:45 pmPortland

$660

Find similar

United Airlines

Oct 10

GEG5:05 amSpokane

31h 55m

2 stops

SOF11:00 pmSofia

Apr 7

SOF6:15 amSofia

42h 19m

2 stops

GEG2:34 pmSpokane

$670

Find similar

United Airlines

Sep 11

PDX9:47 amPortland

27h 13m

2 stops

SOF11:00 pmSofia

Sep 18

SOF6:15 amSofia

22h 31m

2 stops

PDX6:46 pmPortland

$685

Find similar

British Airways flights from State of Washington to Bulgaria

Our best British Airways deals on State of Washington to Bulgaria flight tickets

British Airways

Oct 22

PDX7:25 pmPortland

32h 05m

1 stop

SOF1:30 pmSofia

Nov 1

SOF12:05 pmSofia

37h 50m

1 stop

PDX4:55 pmPortland

$656

Find similar

British Airways

Sep 30

SEA3:00 pmSeattle/Tacoma Intl

19h 40m

2 stops

SOF8:40 pmSofia

Nov 3

SOF5:25 pmSofia

28h 05m

1 stop

SEA11:30 amSeattle/Tacoma Intl

$677

Find similar

British Airways

Sep 30

SEA3:00 pmSeattle/Tacoma Intl

19h 40m

2 stops

SOF8:40 pmSofia

Nov 3

SOF5:25 pmSofia

35h 49m

2 stops

SEA7:14 pmSeattle/Tacoma Intl

$690

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 9/24

7:10 pm-2:45 pm

1 stop33h 35m

Sofia

Thu 10/2

9:25 am-5:15 pm

1 stop17h 50m

$579

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 9/4

12:30 pm-8:35 am

1 stop34h 05m

Sofia

Wed 9/17

3:35 pm-10:35 am

1 stop29h 00m

$587

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 10/22

9:55 am-1:15 pm

2 stops17h 20m

Sofia

Sat 11/1

2:25 pm-7:30 pm

2 stops38h 05m

$611

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 10/8

9:55 am-11:00 pm

2 stops27h 05m

Sofia

Wed 10/15

6:15 am-6:46 pm

2 stops22h 31m

$630

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 10/22

9:55 am-5:50 pm

3 stops21h 55m

Sofia

Sat 11/1

6:25 am-10:15 am

3 stops36h 50m

$634

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 12/24

8:15 am-2:05 pm

2 stops19h 50m

Sofia

Fri 1/23

7:00 am-1:20 pm

1 stop16h 20m

$655

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 10/22

7:25 pm-1:30 pm

1 stop32h 05m

Sofia

Sat 11/1

12:05 pm-4:55 pm

1 stop37h 50m

$656

PortlandSofia

PDX - SOF

PDXSOF

Portland

Tue 10/7

7:00 am-11:15 am

2 stops18h 15m

Sofia

Wed 10/15

6:00 am-10:45 pm

3 stops26h 45m

$660

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Fri 10/10

5:05 am-11:00 pm

2 stops31h 55m

Sofia

Tue 4/7

6:15 am-2:34 pm

2 stops42h 19m

$670

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 9/30

3:00 pm-8:40 pm

2 stops19h 40m

Sofia

Mon 11/3

5:25 pm-11:30 am

1 stop28h 05m

$677

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 January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $695.

What is the cheapest day to depart on your flight to Bulgaria?

The cheapest day to depart from State of Washington to Bulgaria is on a Saturday when prices can be found for as low as $897. On the other hand, Friday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,269.

What is the cheapest time of day to depart on your flight to Bulgaria?

In the evening is the cheapest time of day to fly from State of Washington to Bulgaria when you can find flight prices for as low as $897. Flying to Bulgaria in the evening is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly at noon, with an average ticket price of $1,099. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $899 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 $701 on momondo.

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

Best Price Found	$395
Fastest flight time	13h 45m
Direct flights	None
Airports in Bulgaria	2 airports

The best one-way flight to Bulgaria from State of Washington in the past 72 hours is $395. The best round-trip flight deal from State of Washington to Bulgaria found on momondo in the last 72 hours is $579.

The fastest flight from State of Washington to Bulgaria takes 13h 45m

There are no direct flights from State of Washington to Bulgaria. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Sofia Airport, Portland Airport - Sofia Airport and Spokane Airport - Sofia Airport.

There are 2 airports near Bulgaria: Sofia (SOF), Bourgas (BOJ)

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 August 2025, there are 5 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 $609	Free Cancellation	Rating 7.8 1,381 reviews	Search KLM flights
Turkish Airlines	PriceFrom $638	Free Cancellation	Rating 7.3 3,940 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $653	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
Lufthansa	PriceFrom $674	Free Cancellation	Rating 6.8 7,317 reviews	Search Lufthansa 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.

An easier way to manage your Bulgaria trip

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Find better results for your trip to Bulgaria

Popular cities in Bulgaria

Flights to Sofiafrom $357

Flights to Varnafrom $412

Flights to Burgasfrom $569

Flights to Plovdivfrom $1,357

Cheap flights from Washington to Bulgaria from $395

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 8/27. 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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Filter for what you want

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Cheap round-trip flights

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United Airlines flights from State of Washington to Bulgaria

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

British Airways flights from State of Washington to Bulgaria

Our best British Airways deals on State of Washington to Bulgaria flight tickets

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Use the filters below to find and compare flights from Washington to Bulgaria that are best for you.

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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

What is the cheapest month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $695.

What is the cheapest day to depart on your flight to Bulgaria?

What is the cheapest time of day to depart on your flight to Bulgaria?

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

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

Lufthansa, KLM, and British Airways are the most popular carriers operating 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

Best Price Found

Fastest flight time

Direct flights

Airports in Bulgaria

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

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

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

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

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?

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

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

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

I’m not ready to book a flight from Washington to Bulgaria right now. Can momondo alert me if prices change?

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