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$370+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SOF
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$727
(FlightHub)

One-way from

$370
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$966
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 ($30 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 April 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 April 30, 2025.

This FlightHub deal was found by Cheapflights users on 4/28. 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 9/82:15 pmPDX - SOF
2 stops18h 25mLufthansa
Thu 10/26:15 amSOF - PDX
2 stops22h 31mLufthansa
Deal found 4/28$727
This KLM deal was found by Cheapflights users on 4/28. 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.
Sun 9/712:55 pmPDX - SOF
1 stop15h 05mKLM
Fri 10/37:00 amSOF - PDX
1 stop14h 05mKLM
Deal found 4/28$738
This United Airlines deal was found by Cheapflights users on 4/28. 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 9/75:00 amPDX - SOF
2 stops32h 00mUnited Airlines
Fri 10/38:00 amSOF - PDX
2 stops20h 31mUnited Airlines
Deal found 4/28$749
This FlightHub deal was found by Cheapflights users on 4/28. 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 9/82:15 pmPDX - SOF
2 stops18h 25mMultiple Airlines
Sat 10/46:15 amSOF - PDX
2 stops18h 31mMultiple Airlines
Deal found 4/28$787

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 April 30, 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

Mon 9/8

2:15 pm-6:40 pm

2 stops18h 25m

Sofia

Thu 10/2

6:15 am-6:46 pm

2 stops22h 31m

$727

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sun 9/7

12:55 pm-2:00 pm

1 stop15h 05m

Sofia

Fri 10/3

7:00 am-11:05 am

1 stop14h 05m

$738

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sun 9/7

5:00 am-11:00 pm

2 stops32h 00m

Sofia

Fri 10/3

8:00 am-6:31 pm

2 stops20h 31m

$749

PortlandSofia

PDX - SOF

PDXSOF

Portland

Mon 9/8

2:15 pm-6:40 pm

2 stops18h 25m

Sofia

Sat 10/4

6:15 am-2:46 pm

2 stops18h 31m

$787

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 9/3

3:20 pm-1:00 am

2 stops23h 40m

$370

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 7/5

7:25 pm-8:20 pm

1 stop14h 55m

$725

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sun 5/18

1:45 pm-5:50 pm

3 stops42h 05m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 $1,218). 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 April 30, 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 April 30, 2025.
KLM
7.8
Good
1,333 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Overall

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
1,333 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Overall

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
8,696 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Overall

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.
Lufthansa
6.7
Okay
7,042 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Overall

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
6,837 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Overall

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.

  • 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 $1,218). 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$564Average$1,184FlexibilityNo cancel feeOn-time69%
KLMCheapest$668Average$956FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$763Average$1,044FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$969Average$1,219FlexibilityNo cancel feeOn-time76%

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