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Bulgaria

$337+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$591
(FlightHub)

One-way from

$337
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$881
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. 14% potential increase in price ($151 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/30. 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.
Sun 9/217:10 pmSEA - SOF
1 stop15h 15mTurkish Airlines
Fri 10/109:15 pmSOF - SEA
1 stop23h 20mTurkish Airlines
Deal found 7/30$591
This Gotogate deal was found by Cheapflights users on 7/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/263:25 pmPDX - SOF
2 stops21h 35mMultiple Airlines
Thu 10/26:15 amSOF - PDX
2 stops22h 31mMultiple Airlines
Deal found 7/30$607
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Sat 11/228:00 pmSEA - SOF
2 stops36h 20mMultiple Airlines
Mon 12/13:00 pmSOF - SEA
2 stops42h 15mMultiple Airlines
Deal found 7/30$618
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 11/2211:59 pmSEA - SOF
2 stops36h 46mUnited Airlines
Mon 12/12:20 pmSOF - SEA
1 stop31h 50mUnited Airlines
Deal found 7/30$624
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 8/266:15 amPDX - SOF
2 stops21h 05mUnited Airlines
Thu 10/26:15 amSOF - PDX
3 stops28h 13mUnited Airlines
Deal found 7/29$645
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 10/105:05 amGEG - SOF
2 stops31h 55mUnited Airlines
Tue 4/71:50 pmSOF - GEG
2 stops34h 44mUnited Airlines
Deal found 7/30$646
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Wed 10/86:50 pmSEA - SOF
1 stop18h 10mLufthansa
Wed 10/226:15 amSOF - SEA
2 stops18h 01mLufthansa
Deal found 7/30$670
This Travelocity deal was found by Cheapflights users on 7/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/103:40 pmSEA - SOF
2 stops35h 50mBritish Airways
Wed 10/19:30 pmSOF - SEA
2 stops32h 39mBritish Airways
Deal found 7/31$732
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Fri 12/128:15 amSEA - SOF
2 stops24h 00mAir Canada
Tue 1/66:00 amSOF - SEA
2 stops25h 56mAir Canada
Deal found 7/30$748
This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1111:59 pmPDX - SOF
2 stops34h 41mBritish Airways
Mon 8/258:00 pmSOF - PDX
1 stop31h 35mBritish Airways
Deal found 7/29$835
This Gurufare deal was found by Cheapflights users on 7/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/129:47 amPDX - SOF
2 stops22h 03mLufthansa
Tue 8/192:00 pmSOF - PDX
2 stops40h 37mLufthansa
Deal found 7/31$963
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Tue 8/126:15 amPDX - SOF
2 stops25h 35mAir Canada
Tue 8/196:00 amSOF - PDX
3 stops22h 46mAir Canada
Deal found 7/29$976

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 July 31, 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

Sun 9/21

7:10 pm-8:25 pm

1 stop15h 15m

Sofia

Fri 10/10

9:15 pm-10:35 am

1 stop23h 20m

$591

PortlandSofia

PDX - SOF

PDXSOF

Portland

Tue 8/26

3:25 pm-6:40 pm

2 stops17h 15m

Sofia

Thu 10/2

6:15 am-11:01 pm

2 stops26h 46m

$607

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sat 11/22

8:00 pm-6:20 pm

2 stops36h 20m

Sofia

Mon 12/1

3:00 pm-11:15 pm

2 stops42h 15m

$618

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sat 11/22

11:59 pm-10:45 pm

2 stops36h 46m

Sofia

Mon 12/1

2:20 pm-12:10 pm

1 stop31h 50m

$624

PortlandSofia

PDX - SOF

PDXSOF

Portland

Tue 8/26

6:15 am-1:20 pm

2 stops21h 05m

Sofia

Thu 10/2

6:15 am-12:28 am

3 stops28h 13m

$645

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Fri 10/10

5:05 am-11:00 pm

2 stops31h 55m

Sofia

Tue 4/7

1:50 pm-2:34 pm

2 stops34h 44m

$646

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 1/22

8:00 pm-6:20 pm

2 stops36h 20m

Sofia

Wed 2/4

6:15 am-10:06 pm

3 stops25h 51m

$653

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 10/8

6:50 pm-11:00 pm

1 stop18h 10m

Sofia

Wed 10/22

6:15 am-2:16 pm

2 stops18h 01m

$670

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

Thu 1/22

2:00 pm-3:15 pm

2 stops39h 15m

Varna

Mon 1/26

4:00 pm-12:10 pm

2 stops30h 10m

$715

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 9/10

3:40 pm-1:30 pm

2 stops35h 50m

Sofia

Wed 10/1

9:30 pm-8:09 pm

2 stops32h 39m

$732

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 21 results
1
2
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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 $1,187). 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 July 31, 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.

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bulgaria. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Washington to Bulgaria, such as KLM, Austrian Airlines, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,383 reviews

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Austrian Airlines
7.6
Good
823 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,900 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Turkish Airlines
7.3
Good
3,933 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,851 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • What are the cheapest airlines to fly from State of Washington to Bulgaria one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $464. However, be on the lookout for offers from United Airlines and British Airways, as they are both options that can get you from State of Washington to Bulgaria for a low price.

  • 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 $1,187). 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

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$609Average$806FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$653Average$1,049FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$664Average$951FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$674Average$1,110FlexibilityNo cancel feeOn-time76%

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