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$345+ Cheap flights from Washington to Bulgaria

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Washington to Bulgaria

Keep the following information in mind while searching for Washington to Bulgaria flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$530
(Kiwi.com)

One-way from

$345
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$826
From Washington to Bulgaria
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One-way flight from Washington to Bulgaria
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Highest demand for flights based on searches. 2% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington to Bulgaria

Cheapest flights from Washington to Bulgaria
Explore the most affordable flight options available from Washington to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/57:00 amSEA - SOF
2 stops18h 50mMultiple Airlines
mié. 11/126:05 amSOF - SEA
1 stop17h 15mMultiple Airlines
Deal found 9/13$529
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/196:50 pmSEA - SOF
1 stop13h 50mLufthansa
mar. 11/46:00 amSOF - SEA
1 stop16h 10mLufthansa
Deal found 9/14$530
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/53:10 pmSEA - SOF
1 stop17h 10mLufthansa
mié. 11/126:05 amSOF - SEA
1 stop17h 15mLufthansa
Deal found 9/14$541
This Air Canada deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/287:00 pmPDX - SOF
2 stops33h 50mMultiple Airlines
mar. 11/46:00 amSOF - PDX
3 stops37h 15mMultiple Airlines
Deal found 9/13$555
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/57:00 pmSEA - SOF
1 stop34h 10mTurkish Airlines
mié. 11/124:00 pmSOF - SEA
1 stop35h 05mTurkish Airlines
Deal found 9/15$561
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/276:00 amPDX - SOF
2 stops31h 45mUnited Airlines
mié. 11/56:10 amSOF - PDX
3 stops28h 16mUnited Airlines
Deal found 9/14$565
This British Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/41:25 pmSEA - SOF
1 stop20h 45mBritish Airways
lun. 11/175:25 pmSOF - SEA
1 stop28h 05mBritish Airways
Deal found 9/14$568
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1812:35 pmSEA - SOF
2 stops24h 10mLufthansa
mar. 11/256:00 amSOF - SEA
1 stop16h 10mLufthansa
Deal found 9/14$569
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/217:10 pmSEA - SOF
1 stop27h 25mTurkish Airlines
vie. 10/103:35 pmSOF - SEA
1 stop35h 40mTurkish Airlines
Deal found 9/13$570
This Lufthansa deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/53:10 pmSEA - SOF
1 stop17h 10mLufthansa
mar. 11/186:00 amSOF - SEA
1 stop16h 10mLufthansa
Deal found 9/14$571
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/410:53 amSEA - SOF
2 stops16h 22mUnited Airlines
vie. 11/216:10 amSOF - SEA
1 stop16h 00mUnited Airlines
Deal found 9/14$575
This Air France deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/279:58 amPDX - SOF
2 stops19h 07mMultiple Airlines
mié. 11/57:00 amSOF - PDX
1 stop14h 25mMultiple Airlines
Deal found 9/14$584

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Bulgaria that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 15, 2025.
Use the filters below to find and compare flights from Washington to Bulgaria that are best for you.

Fly from

Washington

Fly to

Bulgaria

Route

Depart

Return

Price

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

dom. 10/19

6:50 pm-6:40 pm

1 stop13h 50m

Sofia

mar. 11/4

6:00 am-12:10 pm

1 stop16h 10m

$530

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

mié. 11/5

12:35 pm-10:45 pm

2 stops24h 10m

Sofia

mié. 11/12

6:05 am-1:20 pm

1 stop17h 15m

$542

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

mié. 11/5

3:10 pm-6:20 pm

1 stop17h 10m

Sofia

vie. 11/14

6:05 am-1:20 pm

1 stop17h 15m

$554

PortlandSofia

PDX - SOF

PDXSOF

Portland

mar. 10/28

7:00 pm-1:50 pm

2 stops33h 50m

Sofia

mar. 11/4

6:00 am-9:15 am

3 stops37h 15m

$555

PortlandSofia

PDX - SOF

PDXSOF

Portland

lun. 10/27

6:00 am-10:45 pm

2 stops31h 45m

Sofia

mié. 11/5

6:10 am-12:26 am

3 stops28h 16m

$565

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

mar. 11/4

1:25 pm-8:10 pm

1 stop20h 45m

Sofia

mié. 11/19

9:00 pm-4:55 pm

1 stop29h 55m

$568

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

mar. 11/4

1:25 pm-8:10 pm

1 stop20h 45m

Sofia

lun. 11/10

5:25 pm-11:30 am

1 stop28h 05m

$568

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

mar. 11/4

1:25 pm-8:10 pm

1 stop20h 45m

Sofia

lun. 11/17

5:25 pm-11:30 am

1 stop28h 05m

$568

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

dom. 11/2

3:10 pm-6:20 pm

1 stop17h 10m

Sofia

mar. 11/11

6:00 am-12:10 pm

1 stop16h 10m

$571

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

mié. 11/5

3:10 pm-6:20 pm

1 stop17h 10m

Sofia

jue. 11/13

6:00 am-12:10 pm

1 stop16h 10m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 33 results
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Best time to book a flight from Washington to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Bulgaria

What is the cheapest month to book a flight from State of Washington to Bulgaria?

Currently, November is the cheapest month in which you can book a flight from State of Washington to Bulgaria (average of $632). Flying from State of Washington to Bulgaria in June is currently the most expensive (average of $1,185). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to BG?

Find hourly flight availability from Washington to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

When flying from State of Washington to Bulgaria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Washington to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to Bulgaria?

    Departing from State of Washington to Bulgaria will take you 13h 50m. Airlines will cover a distance of 5862 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Washington to Bulgaria that include hotel bookings?

    Yes. In addition to deals on Washington to Bulgaria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Bulgaria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Bulgaria.

  • Can I find deals for business class flights from Washington to Bulgaria?

    Yes. Cheapflights offers flight deals from Washington to Bulgaria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from State of Washington to Bulgaria (average of $632). Flying from State of Washington to Bulgaria in June is currently the most expensive (average of $1,185). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Washington to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Washington to Bulgaria

Discover the top 4 airlines that operate flights from Washington to Bulgaria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$606Average$980FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$646Average$1,081FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$653Average$885FlexibilityNo cancel feeOn-time69%
KLMCheapest$667Average$989FlexibilityNo cancel feeOn-time75%

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