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$899+ Cheap flights from Sofia (SOF) to Portland (PDX)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — PDX
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
1 adult, Economy
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Find flight deals from Sofia to Portland

Cheapest flights from Sofia to Portland
Explore the most affordable flight options available from Sofia to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 24, 2025.

This KLM deal was found by Cheapflights users on 11/24. 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 12/87:00 amSOF - PDX
1 stop14h 25mKLM
Sun 12/141:25 pmPDX - SOF
1 stop14h 40mKLM
Deal found 11/24$899
This KLM deal was found by Cheapflights users on 11/24. 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 12/87:00 amSOF - PDX
2 stops22h 35mMultiple Airlines
Sun 12/147:05 amPDX - SOF
2 stops20h 50mMultiple Airlines
Deal found 11/24$1,043
This United Airlines deal was found by Cheapflights users on 11/24. 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 12/86:10 amSOF - PDX
2 stops25h 05mUnited Airlines
Sun 12/146:00 amPDX - SOF
3 stops45h 15mUnited Airlines
Deal found 11/24$1,239

Cheap flight deals from Sofia to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$899
(KLM)
Provider with most accurate pricing for Sofia-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-Portland flights.
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From Sofia to Portland
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sofia to Portland 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 November 24, 2025.
Use the filters below to find and compare flights from Sofia to Portland that are best for you.

Fly from

Sofia

Fly to

Portland

Route

Depart

Return

Price

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Mon 12/8

7:00 am-11:25 am

1 stop14h 25m

Portland

Sun 12/14

1:25 pm-2:05 pm

1 stop14h 40m

$899

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Wed 2/11

7:00 am-11:25 am

1 stop14h 25m

Portland

Sun 2/15

1:25 pm-2:05 pm

1 stop14h 40m

$942

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Wed 2/11

7:00 am-8:25 pm

2 stops23h 25m

Portland

Sun 2/15

7:00 am-1:55 pm

2 stops20h 55m

$956

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Mon 12/8

7:00 am-7:35 pm

2 stops22h 35m

Portland

Sun 12/14

7:05 am-1:55 pm

2 stops20h 50m

$1,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Compare providers for flights from Sofia to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sofia to Portland in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sofia-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sofia-Portland flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sofia-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sofia-Portland flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sofia-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sofia to Portland

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

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated November 24, 2025.
Peruse reviews from past customers who have flown with KLM and United Airlines from Sofia to Portland 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
7.7
Good
1,419 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,419 reviews
KLM
7.7
Good
1,419 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,039 reviews
KLM
7.7
Good
1,419 reviews

Food

7.3

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Sofia to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sofia to Portland?

    A quick flight from Sofia to Portland can take about 14h 25m. KLM provides one of the quickest options available for as low as $899. There are 5985 mi between Sofia and Portland.

  • What are the cheapest airlines flying from Sofia to Portland round-trip?

    Cheapflights users have booked flights from Sofia to Portland round-trip from $784. Another airline that can offer you cheap pricing is United Airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sofia to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Clackamas
Lincoln City
Lake Oswego
Beaverton
McMinnville
Hillsboro
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Gresham
Troutdale

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sofia to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Sofia to Boise flights

Top 2 airlines flying from Sofia to Portland

Discover the top 2 airlines that operate flights from Sofia to Portland. 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 November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$784Average$1,072FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$834Average$948FlexibilityNo cancel feeOn-time69%

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