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$607+ Cheap flights from Portland (PDX) to Bulgaria

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SOF
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$607
(Gotogate)

Popular in

May

Cheapest in

November

Average price

$944
From Portland to Bulgaria
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($237 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 30, 2025.

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 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.
Tue 8/266:15 amPDX - SOF
2 stops21h 05mUnited Airlines
Thu 10/26:15 amSOF - PDX
3 stops28h 13mUnited Airlines
Deal found 7/30$645
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 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 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 July 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

Tue 8/26

3:25 pm-11:00 pm

2 stops21h 35m

Sofia

Thu 10/2

6:15 am-6:46 pm

2 stops22h 31m

$607

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

PortlandSofia

PDX - SOF

PDXSOF

Portland

Mon 8/11

11:59 pm-8:40 pm

2 stops34h 41m

Sofia

Mon 8/25

8:00 pm-5:35 pm

1 stop31h 35m

$835

PortlandSofia

PDX - SOF

PDXSOF

Portland

Tue 8/12

6:15 am-5:50 pm

2 stops25h 35m

Sofia

Tue 8/19

6:00 am-6:46 pm

3 stops22h 46m

$976

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 $1,187). 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 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 July 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.

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 30, 2025.
Peruse reviews from past customers who have flown with United Airlines, Air Canada, and British Airways from Portland to Bulgaria to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,837 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.6
Okay
7,217 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 $1,187). 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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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$564Average$973FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$635Average$969FlexibilityNo cancel feeOn-time76%
KLMCheapest$668Average$920FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$746Average$847FlexibilityNo cancel feeOn-time67%

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