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$366+ Cheap flights from Portland (PDX) 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SOF
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Portland to Bulgaria

Keep the following information in mind while searching for Portland to Bulgaria flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,152
(Justfly.com)

One-way from

$366
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$920
Provider with most accurate pricing for Portland-Sofia flight deals.
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Provider most trusted by Cheapflights users for Portland-Sofia flights.
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From Portland to Bulgaria
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One-way flight from Portland to Bulgaria
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Highest demand for flights based on searches. 2% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Portland to Bulgaria

Cheapest flights from Portland to Bulgaria
Explore the most affordable flight options available from Portland to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This FlightHub deal was found by Cheapflights users on 3/27. 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.
Mon 10/137:40 pmPDX - SOF
2 stops37h 00mMultiple Airlines
Mon 10/203:30 pmSOF - PDX
2 stops37h 16mMultiple Airlines
Deal found 3/27$728
This KLM deal was found by Cheapflights users on 3/27. 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
Mon 10/207:00 amSOF - PDX
2 stops21h 08mKLM
Deal found 3/27$804
This Air Canada deal was found by Cheapflights users on 3/27. 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 10/136:15 amPDX - SOF
3 stops25h 35mAir Canada
Mon 10/206:00 amSOF - PDX
3 stops22h 46mAir Canada
Deal found 3/27$964
This Justfly.com deal was found by Cheapflights users on 3/27. 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.
Tue 7/17:25 pmPDX - SOF
1 stop15h 15mBritish Airways
Mon 7/218:00 pmSOF - PDX
1 stop31h 35mBritish Airways
Deal found 3/27$1,152
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 6/3011:30 pmPDX - SOF
2 stops27h 50mUnited Airlines
Mon 7/211:50 pmSOF - PDX
2 stops59h 24mUnited Airlines
Deal found 3/27$1,183

Cheapflights Fare Finder

Customize your flight search to find flights from Portland 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 March 28, 2025.
Use the filters below to find and compare flights from Portland to Bulgaria that are best for you.

Fly from

Portland

Fly to

Bulgaria

Route

Depart

Return

Price

PortlandSofia

PDX - SOF

PDXSOF

Portland

Tue 7/1

7:25 pm-8:40 pm

1 stop15h 15m

Sofia

Mon 7/21

8:00 pm-5:35 pm

1 stop31h 35m

$1,152

PortlandSofia

PDX - SOF

PDXSOF

Portland

Mon 6/30

1:45 pm-11:40 am

3 stops35h 55m

Sofia

Mon 7/21

6:25 am-12:52 pm

3 stops40h 27m

$1,171

PortlandSofia

PDX - SOF

PDXSOF

Portland

Mon 6/30

11:30 pm-1:20 pm

2 stops27h 50m

Sofia

Mon 7/21

1:50 pm-3:14 pm

2 stops59h 24m

$1,183

PortlandSofia

PDX - SOF

PDXSOF

Portland

Fri 5/30

11:25 am-2:00 pm

2 stops16h 35m

Sofia

Sun 8/10

7:00 am-5:07 pm

2 stops20h 07m

$1,393

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sun 5/18

5:30 pm-9:10 am

3 stops53h 40m

$366

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sun 5/18

1:15 pm-2:00 pm

1 stop14h 45m

$750

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sun 5/18

1:45 pm-12:00 pm

3 stops36h 15m

$912

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 6/28

12:07 am-7:10 pm

2 stops33h 03m

$1,376

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Best time to book a flight from Portland to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Portland 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 Portland to Bulgaria

What is the cheapest month to book a flight from Portland to Bulgaria?

Currently, November is the cheapest month in which you can book a flight from Portland to Bulgaria (average of $632). Flying from Portland 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 PDX to BG?

Find hourly flight availability from Portland 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 March 28, 2025.

When flying from Portland 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 March 28, 2025.
KLM
7.8
Good
1,321 reviews

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.1

Comfort

7.7

Boarding

7.8

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
1,321 reviews
KLM
7.8
Good
1,321 reviews

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.1

Comfort

7.7

Boarding

7.8

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
8,603 reviews
KLM
7.8
Good
1,321 reviews

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.1

Comfort

7.7

Boarding

7.8

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.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,321 reviews

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.1

Comfort

7.7

Boarding

7.8

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.
British Airways
6.6
Okay
6,712 reviews
KLM
7.8
Good
1,321 reviews

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.1

Comfort

7.7

Boarding

7.8

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 Portland to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Bulgaria?

    For a flight from Portland to Bulgaria, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city.

  • What are the cheapest airlines to fly from Portland to Bulgaria one-way?

    $750 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $912 and $1,376, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Bulgaria?

    Currently, November is the cheapest month in which you can book a flight from Portland to Bulgaria (average of $632). Flying from Portland 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.

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Top 4 airlines flying from Portland to Bulgaria

Discover the top 4 airlines that operate flights from Portland 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$564Average$1,184FlexibilityNo cancel feeOn-time69%
KLMCheapest$668Average$947FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$763Average$1,099FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$936Average$1,183FlexibilityNo cancel feeOn-time76%
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