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

KLM is the most popular carrier operating from Sofia to Portland

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.

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.

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.

$399 Cheap Flights from Sofia to Portland in 2026

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Find the cheapest flights from Sofia to Portland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 11:25 am

SOF

PDX

14h 25m

1 stop

1:25 pm - 2:05 pm

PDX

SOF

14h 40m

1 stop

$819KLM

Fri, Feb 13 - Sun, Feb 22

7:00 am - 5:33 pm

SOF

PDX

20h 33m

2 stops

1:25 pm - 2:05 pm

PDX

SOF

14h 40m

1 stop

$829KLM

Fri, Feb 13 - Sun, Feb 22

9:05 pm - 5:40 pm

SOF

PDX

30h 35m

1 stop

11:59 am - 8:10 pm

PDX

SOF

22h 11m

2 stops

$865British Airways

Sun, Jun 14 - Sat, Jul 4

5:25 pm - 7:16 pm

SOF

PDX

59h 51m

2 stops

1:52 pm - 8:10 pm

PDX

SOF

44h 18m

2 stops

$870British Airways

Mon, Feb 16 - Mon, Feb 23

10:30 am - 9:35 pm

SOF

PDX

21h 05m

2 stops

3:30 pm - 9:30 pm

PDX

SOF

20h 00m

1 stop

$880Multiple Airlines

Mon, Jun 15 - Thu, Jul 2

7:00 am - 11:25 am

SOF

PDX

14h 25m

1 stop

6:45 am - 1:55 pm

PDX

SOF

21h 10m

2 stops

$885Multiple Airlines

Fri, Feb 13 - Sat, Feb 21

9:05 pm - 5:40 pm

SOF

PDX

30h 35m

1 stop

5:25 am - 7:20 pm

PDX

SOF

27h 55m

2 stops

$894British Airways

Sun, Jun 14 - Sun, Jul 5

7:00 am - 3:11 pm

SOF

PDX

18h 11m

2 stops

6:45 am - 1:55 pm

PDX

SOF

21h 10m

2 stops

$896Multiple Airlines

Fri, Feb 13 - Sat, Feb 21

8:10 pm - 11:47 pm

SOF

PDX

37h 37m

2 stops

7:30 pm - 8:10 pm

PDX

SOF

14h 40m

1 stop

$900British Airways

Mon, Jun 15 - Sat, Jul 4

7:00 am - 5:33 pm

SOF

PDX

20h 33m

2 stops

6:45 am - 2:05 pm

PDX

SOF

21h 20m

2 stops

$901KLM

Fri, Feb 13 - Sun, Feb 22

British Airways flights from Sofia to Portland

Our best British Airways deals on Sofia to Portland flight tickets

British Airways

Jun 14

SOF9:05 pmSofia

30h 35m

1 stop

PDX5:40 pmPortland

Jul 4

PDX11:59 amPortland

22h 11m

2 stops

SOF8:10 pmSofia

$865

British Airways

Feb 16

SOF5:25 pmSofia

59h 51m

2 stops

PDX7:16 pmPortland

Feb 23

PDX1:52 pmPortland

44h 18m

2 stops

SOF8:10 pmSofia

$870

British Airways

Jun 14

SOF9:05 pmSofia

30h 35m

1 stop

PDX5:40 pmPortland

Jul 5

PDX5:25 amPortland

27h 55m

2 stops

SOF7:20 pmSofia

$894

United Airlines flights from Sofia to Portland

Our best United Airlines deals on Sofia to Portland flight tickets

United Airlines

Feb 12

SOF6:00 amSofia

26h 59m

2 stops

PDX10:59 pmPortland

Feb 23

PDX7:00 amPortland

29h 45m

2 stops

SOF10:45 pmSofia

$940

United Airlines

Jun 12

SOF6:20 amSofia

28h 33m

2 stops

PDX12:53 amPortland

Jun 30

PDX12:40 pmPortland

24h 10m

3 stops

SOF10:50 pmSofia

$941

United Airlines

Feb 13

SOF7:55 amSofia

20h 54m

2 stops

PDX6:49 pmPortland

Feb 19

PDX4:00 pmPortland

20h 45m

2 stops

SOF10:45 pmSofia

$950

Fly from

Fly to

Route

Depart

Return

Price

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 2/13

7:00 am-11:25 am

1 stop14h 25m

Portland

Sun 2/22

1:25 pm-2:05 pm

1 stop14h 40m

$819

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 2/13

7:00 am-5:33 pm

2 stops20h 33m

Portland

Sun 2/22

1:25 pm-2:05 pm

1 stop14h 40m

$829

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Sun 6/14

9:05 pm-5:40 pm

1 stop30h 35m

Portland

Sat 7/4

11:59 am-8:10 pm

2 stops22h 11m

$865

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Mon 2/16

5:25 pm-7:16 pm

2 stops59h 51m

Portland

Mon 2/23

1:52 pm-8:10 pm

2 stops44h 18m

$870

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Mon 6/15

10:30 am-9:35 pm

2 stops21h 05m

Portland

Thu 7/2

3:30 pm-9:30 pm

1 stop20h 00m

$880

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 2/13

7:00 am-11:25 am

1 stop14h 25m

Portland

Sat 2/21

6:45 am-1:55 pm

2 stops21h 10m

$885

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Sun 6/14

9:05 pm-5:40 pm

1 stop30h 35m

Portland

Sun 7/5

5:25 am-7:20 pm

2 stops27h 55m

$894

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 2/13

7:00 am-3:11 pm

2 stops18h 11m

Portland

Sat 2/21

6:45 am-1:55 pm

2 stops21h 10m

$896

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Mon 6/15

8:10 pm-11:47 pm

2 stops37h 37m

Portland

Sat 7/4

7:30 pm-8:10 pm

1 stop14h 40m

$900

SofiaPortland

SOF - PDX

SOFPDX

Sofia

Fri 2/13

7:00 am-5:33 pm

2 stops20h 33m

Portland

Sun 2/22

6:45 am-2:05 pm

2 stops21h 20m

$901

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	14h 25m
Direct flights	None

The fastest flight from Sofia to Portland takes 14h 25m

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. 14h 25m 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 1,443 reviews		Search KLM flights
United Airlines	PriceFrom $834	Free Cancellation	Rating 7.4 9,206 reviews		Search United Airlines flights

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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.