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$294+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$719
(KLM)

One-way from

$294
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$739
Provider with most accurate pricing for Seattle/Tacoma Intl-Sofia flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sofia flights.
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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. 1% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 2, 2025.

This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:40 pmPDX - SOF
2 stops37h 00mAir Canada
Tue 10/216:20 amSOF - PDX
2 stops22h 26mAir Canada
Deal found 4/1$645
This KLM deal was found by Cheapflights users on 4/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:15 pmPDX - SOF
1 stop14h 45mKLM
Tue 10/217:00 amSOF - PDX
2 stops20h 07mKLM
Deal found 4/1$669
This KLM deal was found by Cheapflights users on 4/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:10 pmSEA - SOF
1 stop33h 50mKLM
Tue 5/207:00 amSOF - SEA
1 stop14h 40mKLM
Deal found 4/1$719
This Trip.com deal was found by Cheapflights users on 4/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1212:30 pmSEA - VAR
1 stop22h 50mTurkish Airlines
Wed 9/39:35 amVAR - SEA
1 stop35h 00mTurkish Airlines
Deal found 4/1$731
This Air Canada deal was found by Cheapflights users on 4/1. 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.
Mon 10/137:40 pmPDX - SOF
2 stops37h 00mMultiple Airlines
Tue 10/216:00 amSOF - PDX
3 stops22h 46mMultiple Airlines
Deal found 4/1$766
This Gotogate deal was found by Cheapflights users on 4/2. 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.
Sun 5/45:30 amSEA - SOF
2 stops27h 10mMultiple Airlines
Wed 5/2110:50 amSOF - SEA
2 stops17h 43mMultiple Airlines
Deal found 4/2$783
This Air Canada deal was found by Cheapflights users on 4/2. 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 5/207:20 amSEA - SOF
2 stops25h 20mAir Canada
Tue 6/106:20 amSOF - SEA
2 stops24h 17mAir Canada
Deal found 4/2$805
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Sun 5/48:50 amSEA - SOF
3 stops28h 10mUnited Airlines
Wed 5/216:15 amSOF - SEA
2 stops23h 22mUnited Airlines
Deal found 4/2$810
This United Airlines deal was found by Cheapflights users on 4/1. 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 5/25:00 amPDX - SOF
2 stops27h 40mUnited Airlines
Thu 5/812:45 pmSOF - PDX
2 stops20h 08mUnited Airlines
Deal found 4/1$841
This Travelocity deal was found by Cheapflights users on 3/31. 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.
Fri 9/53:13 pmSEA - SOF
2 stops43h 07mBritish Airways
Sun 10/59:10 pmSOF - SEA
1 stop24h 25mBritish Airways
Deal found 3/31$841
This Gurufare deal was found by Cheapflights users on 4/2. 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.
Fri 5/166:50 pmSEA - VAR
2 stops34h 25mLufthansa
Fri 5/239:45 amVAR - SEA
1 stop17h 14mLufthansa
Deal found 4/2$901
This Gotogate deal was found by Cheapflights users on 4/2. 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.
Fri 5/166:50 pmSEA - VAR
2 stops34h 25mMultiple Airlines
Fri 5/239:45 amVAR - SEA
2 stops33h 33mMultiple Airlines
Deal found 4/2$905

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 April 2, 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

Wed 4/30

6:10 pm-2:00 pm

1 stop33h 50m

Sofia

Tue 5/20

7:00 am-11:40 am

1 stop14h 40m

$719

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

Tue 8/12

12:30 pm-9:20 pm

1 stop22h 50m

Varna

Wed 9/3

9:35 am-10:35 am

1 stop35h 00m

$731

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 5/4

5:30 am-6:40 pm

2 stops27h 10m

Sofia

Wed 5/21

10:50 am-6:33 pm

2 stops17h 43m

$783

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 5/20

7:20 am-6:40 pm

2 stops25h 20m

Sofia

Tue 6/10

6:20 am-8:37 pm

2 stops24h 17m

$805

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 5/4

8:50 am-11:00 pm

3 stops28h 10m

Sofia

Wed 5/21

6:15 am-7:37 pm

2 stops23h 22m

$810

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Fri 9/5

3:13 pm-8:20 pm

2 stops43h 07m

Sofia

Sun 10/5

9:10 pm-11:35 am

1 stop24h 25m

$841

PortlandSofia

PDX - SOF

PDXSOF

Portland

Fri 5/2

5:00 am-6:40 pm

2 stops27h 40m

Sofia

Thu 5/8

12:45 pm-10:53 pm

2 stops20h 08m

$841

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

Fri 5/16

6:50 pm-3:15 pm

2 stops34h 25m

Varna

Fri 5/23

9:45 am-4:59 pm

1 stop17h 14m

$901

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

Fri 5/16

6:50 pm-3:15 pm

2 stops34h 25m

Varna

Fri 5/23

9:45 am-9:18 am

2 stops33h 33m

$905

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

Tue 8/12

8:25 pm-3:30 pm

2 stops33h 05m

Varna

Wed 9/3

10:15 pm-5:40 pm

2 stops29h 25m

$925

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 28 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 $1,243). 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 April 2, 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.

Rainfall in Bulgaria by month

Plan your trip to Bulgaria by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bulgaria ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Bulgaria when rainfall is around 1.2 in.

Temperature in Bulgaria by month

Plan your trip to Bulgaria by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bulgaria, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 2, 2025.
Read through reviews of airlines operating flights from Washington to Bulgaria, such as KLM, Austrian Airlines and Air France. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,323 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,323 reviews
KLM
7.8
Good
1,323 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
771 reviews
KLM
7.8
Good
1,323 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,427 reviews
KLM
7.8
Good
1,323 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,616 reviews
KLM
7.8
Good
1,323 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Turkish Airlines
7.3
Good
3,748 reviews
KLM
7.8
Good
1,323 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 British Airways, with whom users have recently found tickets for as low as $558. However, be on the lookout for offers from Air France and Air Canada, 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 $1,243). 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 5 airlines flying from Washington to Bulgaria

Discover the top 5 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$563Average$1,127FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$584Average$1,149FlexibilityNo cancel feeOn-time70%
KLMCheapest$609Average$936FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$700Average$1,036FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$717Average$1,192FlexibilityNo cancel feeOn-time76%

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