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 40% of people opting to fly with this airline when traveling to Bulgaria. Keep in mind that there are 5 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 Spokane and flying into Sofia (one of the most popular routes), then the duration is 16h 51m on average. Another popular route from State of Washington to Bulgaria is flying from Seattle to Sofia, which will take roughly 18h 25m. Keep in mind that layovers or delays could extend your travel time.

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

Lufthansa is the most popular carrier operating from Washington to Bulgaria

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 May 2026, 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.

$317 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.

12:35 pm - 8:15 pm

SEA

SOF

21h 40m

1 stop

3:50 pm - 5:15 pm

SOF

SEA

35h 25m

1 stop

$707Turkish Airlines

Mon, Jul 27 - Wed, Sep 23

7:10 pm - 8:15 pm

SEA

SOF

15h 05m

1 stop

3:50 pm - 5:15 pm

SOF

SEA

35h 25m

1 stop

$712Turkish Airlines

Sun, Sep 6 - Tue, Sep 22

6:50 pm - 11:15 pm

SEA

SOF

18h 25m

1 stop

3:40 pm - 6:32 pm

SOF

SEA

36h 52m

2 stops

$760Multiple Airlines

Tue, Aug 4 - Mon, Sep 21

4:30 pm - 2:00 pm

GEG

SOF

35h 30m

2 stops

7:00 am - 4:59 pm

SOF

GEG

19h 59m

2 stops

$812Multiple Airlines

Sun, Aug 2 - Tue, Aug 25

8:35 am - 11:15 pm

PDX

SOF

28h 40m

3 stops

6:10 am - 11:00 pm

SOF

PDX

26h 50m

2 stops

$814United Airlines

Tue, Aug 4 - Tue, Aug 25

10:40 pm - 11:15 pm

PDX

SOF

38h 35m

2 stops

6:10 am - 11:00 pm

SOF

PDX

26h 50m

2 stops

$820United Airlines

Sat, Aug 1 - Tue, Aug 25

8:35 am - 11:15 pm

PDX

SOF

28h 40m

2 stops

7:25 pm - 8:55 pm

SOF

PDX

35h 30m

2 stops

$830Lufthansa

Wed, Jul 29 - Tue, Aug 25

12:50 pm - 11:15 pm

PDX

SOF

48h 25m

2 stops

7:25 pm - 8:55 pm

SOF

PDX

35h 30m

2 stops

$835Lufthansa

Sat, Aug 1 - Tue, Aug 25

9:25 am - 2:00 pm

GEG

SOF

18h 35m

2 stops

7:00 am - 9:31 pm

SOF

GEG

24h 31m

2 stops

$845KLM

Sun, Aug 9 - Tue, Sep 8

1:52 pm - 2:00 pm

GEG

SOF

38h 08m

2 stops

7:00 am - 5:08 pm

SOF

GEG

20h 08m

2 stops

$851KLM

Sat, Aug 15 - Tue, Sep 15

Turkish Airlines flights from State of Washington to Bulgaria

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

Turkish Airlines

Jul 27

SEA12:35 pmSeattle/Tacoma Intl

21h 40m

1 stop

SOF8:15 pmSofia

Sep 23

SOF3:50 pmSofia

35h 25m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$707

Turkish Airlines

Sep 6

SEA7:10 pmSeattle/Tacoma Intl

15h 05m

1 stop

SOF8:15 pmSofia

Sep 22

SOF3:50 pmSofia

35h 25m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$712

Turkish Airlines

Sep 6

SEA7:10 pmSeattle/Tacoma Intl

27h 35m

1 stop

SOF8:45 amSofia

Sep 22

SOF3:50 pmSofia

35h 25m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$714

KLM flights from State of Washington to Bulgaria

Our best KLM deals on State of Washington to Bulgaria flight tickets

KLM

Aug 9

GEG9:25 amSpokane

18h 35m

2 stops

SOF2:00 pmSofia

Sep 8

SOF7:00 amSofia

24h 31m

2 stops

GEG9:31 pmSpokane

$845

KLM

Aug 15

GEG1:52 pmSpokane

38h 08m

2 stops

SOF2:00 pmSofia

Sep 15

SOF7:00 amSofia

20h 08m

2 stops

GEG5:08 pmSpokane

$851

KLM

Jul 30

GEG6:20 amSpokane

21h 40m

2 stops

SOF2:00 pmSofia

Aug 22

SOF7:00 amSofia

24h 33m

2 stops

GEG9:33 pmSpokane

$915

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mon 7/27

12:35 pm-8:15 pm

1 stop21h 40m

Sofia

Wed 9/23

3:50 pm-5:15 pm

1 stop35h 25m

$707

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 9/6

7:10 pm-8:15 pm

1 stop15h 05m

Sofia

Tue 9/22

3:50 pm-5:15 pm

1 stop35h 25m

$712

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 8/4

6:50 pm-11:15 pm

1 stop18h 25m

Sofia

Mon 9/21

3:40 pm-6:32 pm

2 stops36h 52m

$760

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Sun 8/2

4:30 pm-2:00 pm

2 stops35h 30m

Sofia

Tue 8/25

7:00 am-4:59 pm

2 stops19h 59m

$812

PortlandSofia

PDX - SOF

PDXSOF

Portland

Tue 8/4

8:35 am-11:15 pm

3 stops28h 40m

Sofia

Tue 8/25

6:10 am-11:00 pm

2 stops26h 50m

$814

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 8/1

10:40 pm-11:15 pm

2 stops38h 35m

Sofia

Tue 8/25

6:10 am-11:00 pm

2 stops26h 50m

$820

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 7/29

8:35 am-11:15 pm

2 stops28h 40m

Sofia

Tue 8/25

7:25 pm-8:55 pm

2 stops35h 30m

$830

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 8/1

12:50 pm-11:15 pm

2 stops48h 25m

Sofia

Tue 8/25

7:25 pm-8:55 pm

2 stops35h 30m

$835

Quickest round-trip

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Sun 8/9

9:25 am-2:00 pm

2 stops18h 35m

Sofia

Tue 9/8

7:00 am-9:31 pm

2 stops24h 31m

$845

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Sat 8/15

1:52 pm-2:00 pm

2 stops38h 08m

Sofia

Tue 9/15

7:00 am-5:08 pm

2 stops20h 08m

$851

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 April, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $499.

How far in advance should I book a flight from Washington 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 $750 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 $677 on momondo.

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

You could potentially save up to 23% 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	16h 10m
Direct flights	None

The fastest flight from State of Washington to Bulgaria takes 16h 10m

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

Frequently asked questions about flying from Washington to Bulgaria

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 May 2026, 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 $538	Free Cancellation	Rating 7.8 1,511 reviews	Search KLM flights
Lufthansa	PriceFrom $540	Free Cancellation	Rating 6.8 7,975 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $573	Free Cancellation	Rating 7.4 4,355 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.4 9,687 reviews	Search United Airlines flights
Austrian Airlines	PriceFrom $884	Free Cancellation	Rating 7.6 915 reviews	Search Austrian 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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Flights to Sofiafrom $577

Flights to Varnafrom $611

Flights to Burgasfrom $818

Flights to Plovdivfrom $1,278

Cheap flights from Washington to Bulgaria from $317

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 8/18. 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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Turkish Airlines flights from State of Washington to Bulgaria

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

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Our best KLM deals on State of Washington to Bulgaria flight tickets

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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 from Washington 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

Frequently asked questions about flying from Washington 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?

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

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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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