What is the cheapest airline that flies from Sofia to Portland?

KLM is the most popular carrier operating from Sofia to Portland

Which airport is the most popular layover for flights between Sofia and Portland?

Amsterdam (AMS) was the most common stop: 84% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Sofia to Portland?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 14h 22m.

Which layover airport offers the lowest fares from Sofia to Portland?

Flights via London (LHR) offer the lowest average round-trip price of $953.

Which layover airport has the shortest connection time from Sofia to Portland?

Amsterdam (AMS) has the shortest average layover time for this route: 2h 02m.

When did momondo last update prices for flights from Sofia Airport to Portland Airport?

Prices for flights from Sofia Airport to Portland Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Sofia Airport to Portland Airport?

The number of operators available for flights from Sofia Airport to Portland Airport is 2 as of January 2026.

How old do you have to be to fly from Sofia Airport to Portland Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sofia Airport to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$688 Cheap Flights from Sofia to Portland in 2026

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Find the cheapest flights from Sofia to Portland

Round-trip

One-way

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Cheap round-trip flights

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7:00 am - 11:25 am

SOF

PDX

14h 25m

1 stop

7:00 am - 2:05 pm

PDX

SOF

21h 05m

2 stops

$813Multiple Airlines

Fri, Jan 23 - Wed, Jan 28

7:00 am - 11:25 am

SOF

PDX

14h 25m

1 stop

1:25 pm - 2:05 pm

PDX

SOF

14h 40m

1 stop

$814KLM

Fri, Jan 23 - Wed, Jan 28

7:00 am - 11:25 am

SOF

PDX

14h 25m

1 stop

7:00 am - 2:05 pm

PDX

SOF

21h 05m

2 stops

$815Multiple Airlines

Fri, Jan 23 - Wed, Jan 28

7:00 am - 11:25 am

SOF

PDX

14h 25m

1 stop

1:25 pm - 2:05 pm

PDX

SOF

14h 40m

1 stop

$816KLM

Fri, Jan 23 - Wed, Jan 28

7:00 am - 4:30 pm

SOF

PDX

19h 30m

2 stops

7:00 am - 2:05 pm

PDX

SOF

21h 05m

2 stops

$823Multiple Airlines

Fri, Jan 23 - Wed, Jan 28

7:00 am - 6:50 pm

SOF

PDX

21h 50m

2 stops

7:00 am - 2:05 pm

PDX

SOF

21h 05m

2 stops

$825Multiple Airlines

Fri, Jan 23 - Wed, Jan 28

6:05 am - 6:30 pm

SOF

PDX

22h 25m

2 stops

7:45 am - 10:45 pm

PDX

SOF

29h 00m

2 stops

$1,194Lufthansa

Fri, Jan 23 - Wed, Jan 28

7:55 am - 9:49 pm

SOF

PDX

23h 54m

2 stops

1:24 pm - 6:20 pm

PDX

SOF

18h 56m

3 stops

$1,298United Airlines

Fri, Jan 23 - Wed, Jan 28

7:55 am - 9:49 pm

SOF

PDX

23h 54m

2 stops

1:24 pm - 6:20 pm

PDX

SOF

18h 56m

3 stops

$1,301United Airlines

Fri, Jan 23 - Wed, Jan 28

6:10 am - 9:15 am

SOF

PDX

37h 05m

3 stops

9:50 am - 6:20 pm

PDX

SOF

22h 30m

3 stops

$1,582Air Canada

Fri, Jan 23 - Wed, Jan 28

Air Canada flights from Sofia to Portland

Our best Air Canada deals on Sofia to Portland flight tickets

Air Canada

Jan 23

SOF6:10 amSofia

37h 05m

3 stops

PDX9:15 amPortland

Jan 28

PDX9:50 amPortland

22h 30m

3 stops

SOF6:20 pmSofia

$1,582

Air Canada

Jan 23

SOF6:10 amSofia

37h 05m

3 stops

PDX9:15 amPortland

Jan 28

PDX9:50 amPortland

22h 30m

3 stops

SOF6:20 pmSofia

$1,701

Air Canada

Jan 23

SOF2:35 pmSofia

28h 40m

3 stops

PDX9:15 amPortland

Jan 28

PDX7:00 pmPortland

32h 50m

2 stops

SOF1:50 pmSofia

$1,855

KLM flights from Sofia to Portland

Our best KLM deals on Sofia to Portland flight tickets

KLM

Jan 23

SOF7:00 amSofia

14h 25m

1 stop

PDX11:25 amPortland

Jan 28

PDX1:25 pmPortland

14h 40m

1 stop

SOF2:05 pmSofia

$814

KLM

Jan 23

SOF7:00 amSofia

14h 25m

1 stop

PDX11:25 amPortland

Jan 28

PDX1:25 pmPortland

14h 40m

1 stop

SOF2:05 pmSofia

$816

Fly from

Fly to

Route

Depart

Return

Price

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 1/23

7:00 am-11:25 am

1 stop14h 25m

Portland

Wed 1/28

7:00 am-2:05 pm

2 stops21h 05m

$813

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 1/23

7:00 am-11:25 am

1 stop14h 25m

Portland

Wed 1/28

1:25 pm-2:05 pm

1 stop14h 40m

$814

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 1/23

7:00 am-11:25 am

1 stop14h 25m

Portland

Wed 1/28

7:00 am-2:05 pm

2 stops21h 05m

$815

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 1/23

7:00 am-11:25 am

1 stop14h 25m

Portland

Wed 1/28

1:25 pm-2:05 pm

1 stop14h 40m

$816

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 1/23

7:00 am-4:30 pm

2 stops19h 30m

Portland

Wed 1/28

7:00 am-2:05 pm

2 stops21h 05m

$823

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 1/23

7:00 am-6:50 pm

2 stops21h 50m

Portland

Wed 1/28

7:00 am-2:05 pm

2 stops21h 05m

$825

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 1/23

6:05 am-6:30 pm

2 stops22h 25m

Portland

Wed 1/28

7:45 am-10:45 pm

2 stops29h 00m

$1,194

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 1/23

7:55 am-9:49 pm

2 stops23h 54m

Portland

Wed 1/28

1:24 pm-6:20 pm

3 stops18h 56m

$1,298

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 1/23

7:55 am-9:49 pm

2 stops23h 54m

Portland

Wed 1/28

1:24 pm-6:20 pm

3 stops18h 56m

$1,301

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 1/23

6:10 am-9:15 am

3 stops37h 05m

Portland

Wed 1/28

9:50 am-6:20 pm

3 stops22h 30m

$1,582

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sofia to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Can stopping save me money on Sofia to Portland flights?

You could potentially save up to 11% on your flight if you consider stops on a Sofia to Portland flight.

When to book flights from Sofia to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to Portland according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Sofia to Portland (SOF to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Portland

Fastest flight time	28h 09m
Direct flights	None

The fastest flight from Sofia to Portland takes 28h 09m

There are no direct flights from Sofia to Portland. There are no popular flight routes from Sofia to Portland.

Search flight deals

How far is Sofia to Portland by plane?
A flight from Sofia to Portland will travel around 5988.5 mi. 28h 09m is a normal flight duration for this route.
When did momondo last update prices for flights from Sofia Airport to Portland Airport?
Prices for flights from Sofia Airport to Portland Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Sofia Airport to Portland Airport?
The number of operators available for flights from Sofia Airport to Portland Airport is 2 as of January 2026.
How old do you have to be to fly from Sofia Airport to Portland Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sofia Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Sofia to Portland?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sofia to Portland is KLM (68% of total bookings). The next most popular airline is United Airlines (32%).

Best airlines flying from Sofia to Portland

Compare and see reviews for airlines that fly from Sofia to Portland with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $784	Free Cancellation	Rating 7.7 1,437 reviews		Search KLM flights
United Airlines	PriceFrom $834	Free Cancellation	Rating 7.4 9,152 reviews		Search United Airlines flights

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Hillsboro

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McMinnville

Longview

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Tigard

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The Dalles

Manzanita

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Why use momondo?

Why should I use momondo to find a flight deal from Sofia to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sofia to Portland. momondo saves you time and could save you money on your trip.

Can I find flights from Sofia to Portland with flexible booking policies on momondo?

Yes. All flights to Portland from Sofia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Sofia to Portland?

Once you have performed a search for Sofia to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Sofia to Portland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sofia to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.