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 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 Seattle and flying into Sofia (one of the most popular routes), then the duration is 15h 50m on average. Another popular route from State of Washington to Bulgaria is flying from Spokane to Sofia, which will take roughly 27h 45m. Keep in mind that layovers or delays could extend your travel time.

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

British Airways, United Airlines, and SWISS are the most popular carriers 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 November 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.

$309 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.

2:50 pm - 6:20 pmSEA Seattle/Tacoma Intl-SOF Sofia

17h 30m1 stop Munich Franz Josef Strauss

6:25 am - 6:22 pmSOF Sofia-SEA Seattle/Tacoma Intl

21h 57m2 stops Frankfurt am Main Vancouver Intl

$705Lufthansa

Sun, Feb 7 - Thu, Feb 11

2:50 pm - 6:20 pmSEA Seattle/Tacoma Intl-SOF Sofia

17h 30m1 stop Munich Franz Josef Strauss

6:25 am - 12:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

15h 35m1 stop Frankfurt am Main

$705Lufthansa

Sun, Feb 7 - Thu, Feb 11

6:50 pm - 11:05 pmSEA Seattle/Tacoma Intl-SOF Sofia

18h 15m1 stop Munich Franz Josef Strauss

6:20 am - 10:15 pmSOF Sofia-SEA Seattle/Tacoma Intl

25h 55m2 stops Frankfurt am Main Vancouver Intl

$726United Airlines

Mon, May 3 - Thu, May 6

6:50 pm - 11:05 pmSEA Seattle/Tacoma Intl-SOF Sofia

18h 15m1 stop Munich Franz Josef Strauss

6:20 am - 10:15 pmSOF Sofia-SEA Seattle/Tacoma Intl

25h 55m2 stops Frankfurt am Main Vancouver Intl

$726United Airlines

Mon, May 3 - Wed, May 12

8:40 am - 6:45 pmSEA Seattle/Tacoma Intl-SOF Sofia

24h 05m2 stops Vancouver Intl Munich Franz Josef Strauss

6:20 am - 10:15 pmSOF Sofia-SEA Seattle/Tacoma Intl

25h 55m2 stops Frankfurt am Main Vancouver Intl

$726Air Canada

Tue, Apr 27 - Wed, May 12

10:10 am - 6:45 pmSEA Seattle/Tacoma Intl-SOF Sofia

22h 35m2 stops Vancouver Intl Munich Franz Josef Strauss

6:20 am - 6:35 pmSOF Sofia-SEA Seattle/Tacoma Intl

22h 15m2 stops Frankfurt am Main Vancouver Intl

$726Air Canada

Tue, Apr 27 - Fri, May 7

7:05 pm - 8:55 pmSEA Seattle/Tacoma Intl-SOF Sofia

15h 50m1 stop Istanbul

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

18h 00m1 stop Istanbul

$788Turkish Airlines

Tue, Dec 29 - Thu, Apr 22

7:05 pm - 8:55 pmSEA Seattle/Tacoma Intl-SOF Sofia

15h 50m1 stop Istanbul

4:00 pm - 5:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

35h 10m1 stop Istanbul

$788Turkish Airlines

Sun, Nov 29 - Tue, Dec 15

8:09 am - 3:15 pmSEA Seattle/Tacoma Intl-VAR Varna

21h 06m2 stops Washington, D.C. Dulles Intl Vienna Intl

4:00 pm - 6:46 pmVAR Varna-SEA Seattle/Tacoma Intl

36h 46m2 stops Vienna Intl Chicago O'Hare Intl

$1,052Austrian Airlines

Thu, Dec 3 - Tue, Dec 8

8:09 am - 3:15 pmSEA Seattle/Tacoma Intl-VAR Varna

21h 06m2 stops Washington, D.C. Dulles Intl Vienna Intl

4:00 pm - 9:02 pmVAR Varna-SEA Seattle/Tacoma Intl

39h 02m2 stops Vienna Intl Washington, D.C. Dulles Intl

$1,079Austrian Airlines

Fri, Dec 11 - Thu, Jan 28

Cheap last minute flights

Enter your travel dates to find the best prices.

7:05 pm - 8:55 pmSEA Seattle/Tacoma Intl-SOF Sofia

15h 50m1 stop Istanbul

9:30 am - 5:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

17h 40m1 stop Istanbul

$928Turkish Airlines

Fri, Nov 13 - Fri, Nov 20

7:05 pm - 3:10 pmSEA Seattle/Tacoma Intl-SOF Sofia

34h 05m1 stop Istanbul

4:00 pm - 5:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

35h 10m1 stop Istanbul

$928Turkish Airlines

Fri, Nov 13 - Wed, Nov 18

7:05 pm - 8:55 pmSEA Seattle/Tacoma Intl-SOF Sofia

15h 50m1 stop Istanbul

9:45 pm - 5:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

29h 25m1 stop Istanbul

$928Turkish Airlines

Fri, Nov 13 - Tue, Nov 17

7:05 pm - 8:55 pmSEA Seattle/Tacoma Intl-SOF Sofia

15h 50m1 stop Istanbul

9:45 pm - 5:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

29h 25m1 stop Istanbul

$928Turkish Airlines

Fri, Nov 13 - Thu, Nov 19

10:10 am - 1:25 pmSEA Seattle/Tacoma Intl-SOF Sofia

17h 15m2 stops Vancouver Intl Frankfurt am Main

6:25 am - 6:22 pmSOF Sofia-SEA Seattle/Tacoma Intl

21h 57m2 stops Frankfurt am Main Vancouver Intl

$1,009Multiple Airlines

Fri, Nov 13 - Tue, Nov 24

10:10 am - 1:25 pmSEA Seattle/Tacoma Intl-SOF Sofia

17h 15m2 stops Vancouver Intl Frankfurt am Main

6:00 am - 1:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

17h 00m1 stop Munich Franz Josef Strauss

$1,013Multiple Airlines

Fri, Nov 13 - Fri, Nov 27

10:10 am - 1:25 pmSEA Seattle/Tacoma Intl-SOF Sofia

17h 15m2 stops Vancouver Intl Frankfurt am Main

6:00 am - 8:59 pmSOF Sofia-SEA Seattle/Tacoma Intl

24h 59m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$1,013Multiple Airlines

Fri, Nov 13 - Fri, Nov 27

2:50 pm - 10:55 pmSEA Seattle/Tacoma Intl-SOF Sofia

22h 05m1 stop Munich Franz Josef Strauss

6:25 am - 6:22 pmSOF Sofia-SEA Seattle/Tacoma Intl

21h 57m2 stops Frankfurt am Main Vancouver Intl

$1,014Lufthansa

Fri, Nov 13 - Tue, Nov 24

2:50 pm - 10:55 pmSEA Seattle/Tacoma Intl-SOF Sofia

22h 05m1 stop Munich Franz Josef Strauss

6:00 am - 1:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

17h 00m1 stop Munich Franz Josef Strauss

$1,017Lufthansa

Fri, Nov 13 - Fri, Nov 27

10:10 am - 6:10 pmSEA Seattle/Tacoma Intl-SOF Sofia

22h 00m2 stops Vancouver Intl Frankfurt am Main

6:00 am - 1:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

17h 00m1 stop Munich Franz Josef Strauss

$1,040Lufthansa

Fri, Nov 13 - Fri, Nov 20

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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

United Airlines

May 3

SEA6:50 pmSeattle/Tacoma Intl

18h 15m

1 stop

SOF11:05 pmSofia

May 7

SOF6:20 amSofia

16h 00m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$727

United Airlines

May 3

SEA6:50 pmSeattle/Tacoma Intl

18h 15m

1 stop

SOF11:05 pmSofia

May 6

SOF6:00 amSofia

21h 20m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

$728

United Airlines

Apr 28

SEA1:12 pmSeattle/Tacoma Intl

23h 53m

2 stops

SOF11:05 pmSofia

May 12

SOF6:20 amSofia

17h 55m

2 stops

SEA2:15 pmSeattle/Tacoma Intl

$730

Lufthansa flights from State of Washington to Bulgaria

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

Lufthansa

Feb 7

SEA2:50 pmSeattle/Tacoma Intl

17h 30m

1 stop

SOF6:20 pmSofia

Feb 11

SOF6:25 amSofia

15h 35m

1 stop

SEA12:00 pmSeattle/Tacoma Intl

$705

Lufthansa

Feb 7

SEA10:10 amSeattle/Tacoma Intl

17h 15m

2 stops

SOF1:25 pmSofia

Feb 11

SOF6:25 amSofia

18h 12m

2 stops

SEA2:37 pmSeattle/Tacoma Intl

$717

Lufthansa

May 1

SEA2:55 pmSeattle/Tacoma Intl

46h 05m

2 stops

SOF11:00 pmSofia

May 8

SOF7:30 pmSofia

31h 50m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

$794

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 2/7

2:50 pm-6:20 pm

1 stop17h 30m

Sofia

Thu 2/11

6:25 am-6:22 pm

2 stops21h 57m

$705

Quickest round-trip

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 2/7

2:50 pm-6:20 pm

1 stop17h 30m

Sofia

Thu 2/11

6:25 am-12:00 pm

1 stop15h 35m

$705

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Mon 5/3

6:50 pm-11:05 pm

1 stop18h 15m

Sofia

Thu 5/6

6:20 am-10:15 pm

2 stops25h 55m

$726

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Mon 5/3

6:50 pm-11:05 pm

1 stop18h 15m

Sofia

Wed 5/12

6:20 am-10:15 pm

2 stops25h 55m

$726

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Tue 4/27

8:40 am-6:45 pm

2 stops24h 05m

Sofia

Wed 5/12

6:20 am-10:15 pm

2 stops25h 55m

$726

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Tue 4/27

10:10 am-6:45 pm

2 stops22h 35m

Sofia

Fri 5/7

6:20 am-6:35 pm

2 stops22h 15m

$726

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Tue 12/29

7:05 pm-8:55 pm

1 stop15h 50m

Sofia

Thu 4/22

9:35 am-5:35 pm

1 stop18h 00m

$788

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 11/29

7:05 pm-8:55 pm

1 stop15h 50m

Sofia

Tue 12/15

4:00 pm-5:10 pm

1 stop35h 10m

$788

SeattleVarna

SEA Seattle/Tacoma Intl - VAR Varna

SEAVAR

Seattle/Tacoma Intl

Thu 12/3

8:09 am-3:15 pm

2 stops21h 06m

Varna

Tue 12/8

4:00 pm-6:46 pm

2 stops36h 46m

$1,052

SeattleVarna

SEA Seattle/Tacoma Intl - VAR Varna

SEAVAR

Seattle/Tacoma Intl

Fri 12/11

8:09 am-3:15 pm

2 stops21h 06m

Varna

Thu 1/28

4:00 pm-9:02 pm

2 stops39h 02m

$1,079

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 $634.

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 $817 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 $691 on momondo.

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

You could potentially save up to 2% 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	$309
Fastest flight time	15h 50m
Direct flights	None

The best one-way flight to Bulgaria from State of Washington in the past 72 hours is $309. The best round-trip flight deal from State of Washington to Bulgaria found on momondo in the last 72 hours is $705.

The fastest flight from State of Washington to Bulgaria takes 15h 50m

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 November 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 1,599 reviews	Search KLM flights
Lufthansa	PriceFrom $559	Free Cancellation	Rating 6.8 8,294 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $596	Free Cancellation	Rating 7.4 4,466 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.3 10,486 reviews	Search United Airlines flights
Austrian Airlines	PriceFrom $884	Free Cancellation	Rating 7.5 982 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 $624

Flights to Varnafrom $704

Flights to Burgasfrom $944

Flights to Plovdivfrom $2,538

Cheap flights from Washington to Bulgaria from $309

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 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Washington to Bulgaria

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Big names and deals

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Filter for what you want

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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

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