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

Lufthansa, United Airlines, and Air Canada 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 13h 50m on average. Another popular route from State of Washington to Bulgaria is flying from Spokane to Sofia, which will take roughly 19h 15m. 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 45% 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 February 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.

$289 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.

4:10 pm - 10:45 pm

SEA

SOF

21h 35m

1 stop

6:20 am - 12:20 pm

SOF

SEA

16h 00m

1 stop

$520Lufthansa

Wed, Mar 11 - Wed, Apr 15

4:10 pm - 10:45 pm

SEA

SOF

21h 35m

1 stop

6:10 am - 12:20 pm

SOF

SEA

16h 10m

2 stops

$529Lufthansa

Wed, Mar 11 - Wed, Apr 15

6:40 pm - 2:00 pm

SEA

SOF

33h 20m

1 stop

7:00 am - 11:45 am

SOF

SEA

14h 45m

1 stop

$531Multiple Airlines

Wed, Apr 1 - Wed, Apr 8

6:40 pm - 2:00 pm

SEA

SOF

33h 20m

1 stop

7:00 am - 4:30 pm

SOF

SEA

19h 30m

1 stop

$532Multiple Airlines

Wed, Apr 1 - Wed, Apr 8

5:30 pm - 2:00 pm

SEA

SOF

34h 30m

1 stop

7:00 am - 11:45 am

SOF

SEA

14h 45m

1 stop

$535KLM

Tue, Mar 31 - Wed, Apr 8

8:00 am - 12:10 pm

SEA

SOF

18h 10m

2 stops

6:20 am - 12:20 pm

SOF

SEA

16h 00m

1 stop

$537United Airlines

Wed, Apr 1 - Wed, Apr 8

5:00 am - 6:40 pm

SEA

SOF

27h 40m

2 stops

12:55 pm - 4:59 pm

SOF

SEA

14h 04m

1 stop

$539United Airlines

Sun, Mar 29 - Wed, Apr 8

11:24 am - 2:00 pm

PDX

SOF

16h 36m

2 stops

7:00 am - 11:10 am

SOF

PDX

14h 10m

1 stop

$556KLM

Sun, May 10 - Fri, May 29

7:10 pm - 9:20 pm

SEA

VAR

16h 10m

1 stop

9:35 am - 5:15 pm

VAR

SEA

17h 40m

1 stop

$609Turkish Airlines

Fri, Apr 24 - Fri, May 1

7:10 pm - 2:45 am

SEA

VAR

21h 35m

1 stop

9:35 am - 5:15 pm

VAR

SEA

17h 40m

1 stop

$649Turkish Airlines

Fri, Apr 24 - Fri, May 1

United Airlines flights from State of Washington to Bulgaria

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

United Airlines

Apr 1

SEA8:00 amSeattle/Tacoma Intl

18h 10m

2 stops

SOF12:10 pmSofia

Apr 8

SOF6:20 amSofia

16h 00m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$537

United Airlines

Mar 29

SEA5:00 amSeattle/Tacoma Intl

27h 40m

2 stops

SOF6:40 pmSofia

Apr 8

SOF12:55 pmSofia

14h 04m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

$539

United Airlines

Mar 4

SEA3:10 pmSeattle/Tacoma Intl

17h 10m

1 stop

SOF6:20 pmSofia

Mar 8

SOF6:05 amSofia

26h 23m

2 stops

SEA10:28 pmSeattle/Tacoma Intl

$545

Air Canada flights from State of Washington to Bulgaria

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

Air Canada

Mar 30

SEA10:20 amSeattle/Tacoma Intl

22h 20m

2 stops

SOF6:40 pmSofia

Apr 8

SOF1:50 pmSofia

42h 03m

2 stops

SEA9:53 pmSeattle/Tacoma Intl

$541

Air Canada

Apr 13

PDX7:05 pmPortland

36h 55m

2 stops

SOF6:00 pmSofia

May 4

SOF2:20 pmSofia

34h 25m

2 stops

PDX2:45 pmPortland

$566

Air Canada

Apr 16

PDX3:15 pmPortland

17h 25m

2 stops

SOF6:40 pmSofia

May 4

SOF2:20 pmSofia

34h 25m

2 stops

PDX2:45 pmPortland

$603

Fly from

Fly to

Route

Depart

Return

Price

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 3/11

4:10 pm-10:45 pm

1 stop21h 35m

Sofia

Wed 4/15

6:20 am-12:20 pm

1 stop16h 00m

$520

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 3/11

4:10 pm-10:45 pm

1 stop21h 35m

Sofia

Wed 4/15

6:10 am-12:20 pm

2 stops16h 10m

$529

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 4/1

6:40 pm-2:00 pm

1 stop33h 20m

Sofia

Wed 4/8

7:00 am-11:45 am

1 stop14h 45m

$531

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 4/1

6:40 pm-2:00 pm

1 stop33h 20m

Sofia

Wed 4/8

7:00 am-4:30 pm

1 stop19h 30m

$532

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 3/31

5:30 pm-2:00 pm

1 stop34h 30m

Sofia

Wed 4/8

7:00 am-11:45 am

1 stop14h 45m

$535

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 4/1

8:00 am-12:10 pm

2 stops18h 10m

Sofia

Wed 4/8

6:20 am-12:20 pm

1 stop16h 00m

$537

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 3/29

5:00 am-6:40 pm

2 stops27h 40m

Sofia

Wed 4/8

12:55 pm-4:59 pm

1 stop14h 04m

$539

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sun 5/10

11:24 am-2:00 pm

2 stops16h 36m

Sofia

Fri 5/29

7:00 am-11:10 am

1 stop14h 10m

$556

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

Fri 4/24

7:10 pm-9:20 pm

1 stop16h 10m

Varna

Fri 5/1

9:35 am-5:15 pm

1 stop17h 40m

$609

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

Fri 4/24

7:10 pm-2:45 am

1 stop21h 35m

Varna

Fri 5/1

9:35 am-5:15 pm

1 stop17h 40m

$649

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 $788 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 $598 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

Fastest flight time	13h 50m
Direct flights	None

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

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 February 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
Lufthansa	PriceFrom $540	Free Cancellation	Rating 6.8 7,762 reviews	Search Lufthansa flights
KLM	PriceFrom $548	Free Cancellation	Rating 7.7 1,449 reviews	Search KLM flights
Air France	PriceFrom $555	Free Cancellation	Rating 7.4 1,532 reviews	Search Air France flights
Turkish Airlines	PriceFrom $587	Free Cancellation	Rating 7.3 4,210 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.4 9,241 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.

An easier way to manage your Bulgaria trip

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Popular cities in Bulgaria

Flights to Sofiafrom $349

Flights to Varnafrom $397

Flights to Burgasfrom $830

Flights to Plovdivfrom $643

Cheap flights from Washington to Bulgaria from $289

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 5/4. 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?

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?

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

Lufthansa, United Airlines, and Air Canada 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

Fastest flight time

Direct flights

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

State of Washington flight routes

According to popular flight searches on momondo this year

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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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