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

Lufthansa is the most popular carrier 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 16h 21m on average. Another popular route from State of Washington to Bulgaria is flying from Spokane to Sofia, which will take roughly 24h 10m. 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 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.

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 September 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.

$290 Cheap Flights from Washington to Bulgaria in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

8:05 pm - 8:50 pmSEA Seattle/Tacoma Intl-SOF Sofia

15h 45m1 stop Istanbul

4:00 pm - 6:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

36h 10m1 stop Istanbul

$606Turkish Airlines

Sun, Oct 25 - Tue, Nov 3

8:05 pm - 8:50 pmSEA Seattle/Tacoma Intl-SOF Sofia

15h 45m1 stop Istanbul

4:00 pm - 6:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

36h 10m1 stop Istanbul

$607Turkish Airlines

Sun, Oct 25 - Tue, Nov 3

8:20 pm - 1:25 pmSEA Seattle/Tacoma Intl-SOF Sofia

31h 05m1 stop London Heathrow

8:10 pm - 11:35 amSOF Sofia-SEA Seattle/Tacoma Intl

25h 25m1 stop London Heathrow

$621British Airways

Wed, Oct 14 - Mon, Oct 19

3:50 pm - 6:20 pmSEA Seattle/Tacoma Intl-SOF Sofia

17h 30m1 stop Munich Franz Josef Strauss

6:00 am - 6:22 pmSOF Sofia-SEA Seattle/Tacoma Intl

22h 22m2 stops Munich Franz Josef Strauss Vancouver Intl

$621Multiple Airlines

Sun, Oct 25 - Tue, Nov 10

3:50 pm - 10:55 pmSEA Seattle/Tacoma Intl-SOF Sofia

22h 05m1 stop Munich Franz Josef Strauss

7:05 pm - 1:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

27h 55m1 stop Munich Franz Josef Strauss

$627Lufthansa

Sun, Oct 25 - Tue, Nov 10

6:50 pm - 11:15 pmSEA Seattle/Tacoma Intl-SOF Sofia

18h 25m1 stop Munich Franz Josef Strauss

6:00 am - 2:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

17h 00m1 stop Munich Franz Josef Strauss

$633Lufthansa

Wed, Oct 21 - Wed, Oct 28

8:05 pm - 8:50 pmSEA Seattle/Tacoma Intl-SOF Sofia

15h 45m1 stop Istanbul

4:00 pm - 6:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

36h 10m1 stop Istanbul

$643Turkish Airlines

Sun, Oct 25 - Tue, Nov 3

6:50 pm - 11:15 pmSEA Seattle/Tacoma Intl-SOF Sofia

18h 25m1 stop Munich Franz Josef Strauss

7:55 am - 11:17 pmSOF Sofia-SEA Seattle/Tacoma Intl

24h 22m2 stops Vienna Intl Chicago O'Hare Intl

$654United Airlines

Wed, Oct 21 - Wed, Oct 28

7:00 am - 1:15 pmSEA Seattle/Tacoma Intl-SOF Sofia

20h 15m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

2:00 pm - 1:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

33h 00m1 stop Munich Franz Josef Strauss

$661United Airlines

Tue, Nov 24 - Tue, Dec 1

8:25 am - 12:45 pmSEA Seattle/Tacoma Intl-VAR Varna

18h 20m2 stops Washington, D.C. Dulles Intl Vienna Intl

4:00 pm - 8:56 pmVAR Varna-SEA Seattle/Tacoma Intl

37h 56m2 stops Vienna Intl Washington, D.C. Dulles Intl

$905Austrian Airlines

Thu, Oct 22 - Tue, Oct 27

Cheap last minute flights

Enter your travel dates to find the best prices.

1:30 pm - 8:10 pmSEA Seattle/Tacoma Intl-SOF Sofia

20h 40m1 stop London Heathrow

9:05 pm - 5:50 pmSOF Sofia-SEA Seattle/Tacoma Intl

29h 45m1 stop London Heathrow

$849British Airways

Sat, Oct 3 - Wed, Oct 28

1:30 pm - 8:10 pmSEA Seattle/Tacoma Intl-SOF Sofia

20h 40m1 stop London Heathrow

5:15 pm - 12:25 pmSOF Sofia-SEA Seattle/Tacoma Intl

28h 10m1 stop London Heathrow

$849British Airways

Sat, Oct 3 - Mon, Oct 26

7:15 pm - 8:20 pmSEA Seattle/Tacoma Intl-SOF Sofia

15h 05m1 stop Istanbul

9:30 am - 6:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

17h 40m1 stop Istanbul

$926Turkish Airlines

Sat, Oct 3 - Tue, Oct 27

7:15 pm - 8:20 pmSEA Seattle/Tacoma Intl-SOF Sofia

15h 05m1 stop Istanbul

9:35 am - 5:20 pmSOF Sofia-SEA Seattle/Tacoma Intl

17h 45m1 stop Istanbul

$926Turkish Airlines

Sat, Oct 3 - Thu, Oct 22

6:50 pm - 11:15 pmSEA Seattle/Tacoma Intl-SOF Sofia

18h 25m1 stop Munich Franz Josef Strauss

6:10 am - 4:59 pmSOF Sofia-SEA Seattle/Tacoma Intl

20h 49m1 stop Munich Franz Josef Strauss

$959United Airlines

Sat, Oct 3 - Fri, Oct 23

3:55 pm - 12:05 amSEA Seattle/Tacoma Intl-SOF Sofia

22h 10m2 stops Kastrup Copenhagen Paris Beauvais-Tille

5:45 am - 7:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

23h 15m1 stop London Stansted

$973Multiple Airlines

Sat, Oct 3 - Thu, Oct 22

7:15 pm - 8:20 pmSEA Seattle/Tacoma Intl-SOF Sofia

15h 05m1 stop Istanbul

9:40 pm - 6:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

29h 30m1 stop Istanbul

$986Turkish Airlines

Sat, Oct 3 - Sun, Oct 25

3:55 pm - 12:05 amSEA Seattle/Tacoma Intl-SOF Sofia

22h 10m2 stops Kastrup Copenhagen Paris Beauvais-Tille

6:00 am - 6:05 pmSOF Sofia-SEA Seattle/Tacoma Intl

21h 05m1 stop London Stansted

$1,004Multiple Airlines

Sat, Oct 3 - Wed, Oct 28

3:55 pm - 8:55 amSEA Seattle/Tacoma Intl-SOF Sofia

31h 00m2 stops Kastrup Copenhagen Krakow J. Paul II Balice

7:20 am - 6:05 pmSOF Sofia-SEA Seattle/Tacoma Intl

19h 45m1 stop London Stansted

$1,036Multiple Airlines

Sat, Oct 3 - Mon, Oct 26

6:50 pm - 6:40 pmSEA Seattle/Tacoma Intl-SOF Sofia

13h 50m1 stop Munich Franz Josef Strauss

12:55 pm - 2:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

35h 05m1 stop Munich Franz Josef Strauss

$1,064United Airlines

Sat, Oct 3 - Sat, Oct 24

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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 14

SEA8:20 pmSeattle/Tacoma Intl

31h 05m

1 stop

SOF1:25 pmSofia

Oct 19

SOF8:10 pmSofia

25h 25m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$621

British Airways

Oct 14

SEA12:04 pmSeattle/Tacoma Intl

39h 21m

2 stops

SOF1:25 pmSofia

Oct 19

SOF8:10 pmSofia

25h 25m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$703

British Airways

Mar 2

SEA10:32 amSeattle/Tacoma Intl

23h 38m

2 stops

SOF8:10 pmSofia

Mar 15

SOF5:15 pmSofia

28h 10m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

$723

Lufthansa flights from State of Washington to Bulgaria

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

Lufthansa

Oct 25

SEA3:50 pmSeattle/Tacoma Intl

22h 05m

1 stop

SOF10:55 pmSofia

Nov 10

SOF7:05 pmSofia

27h 55m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

$627

Lufthansa

Oct 21

SEA6:50 pmSeattle/Tacoma Intl

18h 25m

1 stop

SOF11:15 pmSofia

Oct 28

SOF6:00 amSofia

17h 00m

1 stop

SEA2:00 pmSeattle/Tacoma Intl

$633

Lufthansa

Nov 7

SEA1:50 pmSeattle/Tacoma Intl

13h 35m

1 stop

SOF1:25 pmSofia

Nov 14

SOF7:05 pmSofia

27h 55m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

$744

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 10/25

8:05 pm-8:50 pm

1 stop15h 45m

Sofia

Tue 11/3

4:00 pm-6:10 pm

1 stop36h 10m

$606

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 10/25

8:05 pm-8:50 pm

1 stop15h 45m

Sofia

Tue 11/3

4:00 pm-6:10 pm

1 stop36h 10m

$607

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Wed 10/14

8:20 pm-1:25 pm

1 stop31h 05m

Sofia

Mon 10/19

8:10 pm-11:35 am

1 stop25h 25m

$621

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 10/25

3:50 pm-6:20 pm

1 stop17h 30m

Sofia

Tue 11/10

6:00 am-6:22 pm

2 stops22h 22m

$621

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 10/25

3:50 pm-10:55 pm

1 stop22h 05m

Sofia

Tue 11/10

7:05 pm-1:00 pm

1 stop27h 55m

$627

Quickest round-trip

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Wed 10/21

6:50 pm-11:15 pm

1 stop18h 25m

Sofia

Wed 10/28

6:00 am-2:00 pm

1 stop17h 00m

$633

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 10/25

8:05 pm-8:50 pm

1 stop15h 45m

Sofia

Tue 11/3

4:00 pm-6:10 pm

1 stop36h 10m

$643

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Wed 10/21

6:50 pm-11:15 pm

1 stop18h 25m

Sofia

Wed 10/28

7:55 am-11:17 pm

2 stops24h 22m

$654

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Tue 11/24

7:00 am-1:15 pm

2 stops20h 15m

Sofia

Tue 12/1

2:00 pm-1:00 pm

1 stop33h 00m

$661

SeattleVarna

SEA Seattle/Tacoma Intl - VAR Varna

SEAVAR

Seattle/Tacoma Intl

Thu 10/22

8:25 am-12:45 pm

2 stops18h 20m

Varna

Tue 10/27

4:00 pm-8:56 pm

2 stops37h 56m

$905

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 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 $765 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 $673 on momondo.

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

You could potentially save up to 11% 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

Best Price Found	$290
Fastest flight time	16h 20m
Direct flights	None

The best one-way flight to Bulgaria from State of Washington in the past 72 hours is $290. The best round-trip flight deal from State of Washington to Bulgaria found on momondo in the last 72 hours is $606.

The fastest flight from State of Washington to Bulgaria takes 16h 20m

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 September 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 1,578 reviews	Search KLM flights
Lufthansa	PriceFrom $540	Free Cancellation	Rating 6.8 8,239 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $596	Free Cancellation	Rating 7.4 4,459 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.4 10,243 reviews	Search United Airlines flights
Austrian Airlines	PriceFrom $884	Free Cancellation	Rating 7.5 973 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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Popular cities in Bulgaria

Flights to Sofiafrom $555

Flights to Varnafrom $693

Flights to Burgasfrom $1,015

Flights to Plovdivfrom $742

Cheap flights from Washington to Bulgaria from $290

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 10/25. 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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British Airways flights from State of Washington to Bulgaria

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

Lufthansa flights from State of Washington to Bulgaria

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

momondo Fare Finder

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

See travel insights to Bulgaria from

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

Best Price Found

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

Bulgaria flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Bulgaria

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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.

Complete your trip to Bulgaria

Explore popular destinations other users love

According to popular flight searches on momondo this year