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$468+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SOF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$631
(Air Canada)

One-way from

$468
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$806
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. 18% potential increase in price ($236 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Air Canada deal was found by Cheapflights users on 9/11. 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 9/296:15 amPDX - SOF
2 stops20h 45mAir Canada
Mon 11/101:55 pmSOF - PDX
2 stops38h 35mAir Canada
Deal found 9/11$631
This Air France deal was found by Cheapflights users on 9/11. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:15 amPDX - SOF
2 stops20h 45mMultiple Airlines
Mon 11/107:00 amSOF - PDX
1 stop14h 25mMultiple Airlines
Deal found 9/11$689
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:30 pmPDX - SOF
2 stops20h 20mMultiple Airlines
Thu 12/1110:05 amSOF - PDX
2 stops20h 45mMultiple Airlines
Deal found 9/11$955
This SmartFares deal was found by Cheapflights users on 9/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:30 amPDX - SOF
2 stops36h 05mMultiple Airlines
Sat 10/119:15 pmSOF - PDX
2 stops33h 34mMultiple Airlines
Deal found 9/11$1,028
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Sat 12/69:50 amPDX - SOF
3 stops22h 25mAir Canada
Thu 12/116:00 amSOF - PDX
3 stops37h 15mAir Canada
Deal found 9/11$1,334
This KLM deal was found by Cheapflights users on 9/11. 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 9/291:15 pmPDX - SOF
1 stop14h 45mKLM
Mon 11/107:00 amSOF - PDX
1 stop14h 25mKLM
Deal found 9/11$1,450
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Wed 10/89:55 amPDX - SOF
3 stops21h 55mAir Canada
Sat 10/116:15 amSOF - PDX
2 stops26h 46mAir Canada
Deal found 9/11$1,560
This SWISS deal was found by Cheapflights users on 9/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:46 amPDX - SOF
3 stops39h 14mSWISS
Sat 10/1112:45 pmSOF - PDX
3 stops43h 40mSWISS
Deal found 9/11$1,713
This Orbitz deal was found by Cheapflights users on 9/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:35 amPDX - SOF
2 stops17h 55mMultiple Airlines
Fri 10/246:15 amSOF - PDX
2 stops27h 09mMultiple Airlines
Deal found 9/10$2,193

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 September 11, 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 9/29

6:15 am-1:00 pm

2 stops20h 45m

Sofia

Mon 11/10

1:55 pm-6:30 pm

2 stops38h 35m

$631

PortlandSofia

PDX - SOF

PDXSOF

Portland

Mon 9/29

7:15 am-2:00 pm

2 stops20h 45m

Sofia

Mon 11/10

7:00 am-11:25 am

1 stop14h 25m

$689

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 12/6

2:30 pm-8:50 pm

2 stops20h 20m

Sofia

Thu 12/11

10:05 am-8:50 pm

2 stops20h 45m

$955

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 10/8

10:30 am-8:35 am

2 stops36h 05m

Sofia

Sat 10/11

9:15 pm-8:49 pm

2 stops33h 34m

$1,028

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 12/6

9:50 am-6:15 pm

3 stops22h 25m

Sofia

Thu 12/11

6:00 am-9:15 am

3 stops37h 15m

$1,334

PortlandSofia

PDX - SOF

PDXSOF

Portland

Mon 9/29

1:15 pm-2:00 pm

1 stop14h 45m

Sofia

Mon 11/10

7:00 am-11:25 am

1 stop14h 25m

$1,450

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 10/8

9:55 am-5:50 pm

3 stops21h 55m

Sofia

Sat 10/11

6:15 am-11:01 pm

2 stops26h 46m

$1,560

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 10/8

10:46 am-12:00 pm

3 stops39h 14m

Sofia

Sat 10/11

12:45 pm-10:25 pm

3 stops43h 40m

$1,713

PortlandSofia

PDX - SOF

PDXSOF

Portland

Mon 10/20

8:35 am-12:30 pm

2 stops17h 55m

Sofia

Fri 10/24

6:15 am-11:24 pm

2 stops27h 09m

$2,193

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 9/24

10:30 am-11:35 pm

3 stops27h 05m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 11 results
1
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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 $1,185). 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 September 11, 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 September 11, 2025.
Peruse reviews from past customers who have flown with KLM, United Airlines, and Air Canada 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.
KLM
7.8
Good
1,385 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,937 reviews
KLM
7.8
Good
1,385 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Air Canada
7.1
Good
10,000 reviews
KLM
7.8
Good
1,385 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Lufthansa
6.8
Okay
7,409 reviews
KLM
7.8
Good
1,385 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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.

  • How long is the flight from Portland to Bulgaria?

    A quick flight from Portland to Bulgaria can take about 20h 45m. Air Canada provides one of the quickest options available for as low as $631. Airlines will cover a distance of 5985 mi.

  • 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 $1,185). 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 Portland to Bulgaria

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$635Average$969FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$639Average$994FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$678Average$1,037FlexibilityNo cancel feeOn-time67%
KLMCheapest$692Average$923FlexibilityNo cancel feeOn-time75%

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