What airlines fly to Sofia?

KLM, United Airlines and Lufthansa are the top three most popular airlines that fly to Sofia from Oregon according to our data. KLM is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 4 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Oregon to Sofia Airport refresh daily.

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

As of October 2025, there are 4 operators available to choose from for flights from Oregon to Sofia Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Sofia Airport.

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

The necessary travel and health documents for your Sofia 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.

$644 Cheap Flights from Oregon to Sofia in 2025/26

1 adult

0 bags

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Find the cheapest flights from Oregon to Sofia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:40 am - 10:45 pmBOI-SOF

28h 05m2 stops

6:15 am - 11:06 pmSOF-BOI

25h 51m2 stops

$644United Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

3:41 pm - 10:45 pmPDX-SOF

22h 04m2 stops

1:55 pm - 10:38 pmSOF-PDX

41h 43m2 stops

$647United Airlines

Find Deal

Thu, Mar 12 - Mon, Mar 16

10:25 am - 6:00 pmPDX-SOF

22h 35m2 stops

1:55 pm - 8:49 pmSOF-PDX

39h 54m2 stops

$660Lufthansa

Find Deal

Thu, Mar 12 - Mon, Mar 16

7:00 am - 2:05 pmPDX-SOF

22h 05m2 stops

7:00 am - 12:25 pmSOF-PDX

14h 25m1 stop

$1,132KLM

Find Deal

Thu, Mar 12 - Mon, Mar 16

7:00 am - 2:05 pmPDX-SOF

22h 05m2 stops

7:00 am - 12:25 pmSOF-PDX

14h 25m1 stop

$1,190KLM

Find Deal

Thu, Mar 12 - Mon, Mar 16

United Airlines flights from Oregon to Sofia

Our best United Airlines deals on Oregon to Sofia flight tickets

United Airlines

Mar 27

BOI10:40 amBoise Air Term. Gowen Fld

28h 05m

2 stops

SOF10:45 pmSofia

Mar 31

SOF6:15 amSofia

25h 51m

2 stops

BOI11:06 pmBoise Air Term. Gowen Fld

$644

Find similar

United Airlines

Mar 12

PDX3:41 pmPortland

22h 04m

2 stops

SOF10:45 pmSofia

Mar 16

SOF1:55 pmSofia

41h 43m

2 stops

PDX10:38 pmPortland

$647

Find similar

KLM flights from Oregon to Sofia

Our best KLM deals on Oregon to Sofia flight tickets

KLM

Mar 12

PDX7:00 amPortland

22h 05m

2 stops

SOF2:05 pmSofia

Mar 16

SOF7:00 amSofia

14h 25m

1 stop

PDX12:25 pmPortland

$1,132

Find similar

KLM

Mar 12

PDX7:00 amPortland

22h 05m

2 stops

SOF2:05 pmSofia

Mar 16

SOF7:00 amSofia

14h 25m

1 stop

PDX12:25 pmPortland

$1,190

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseSofia

BOI - SOF

BOISOF

Boise Air Term. Gowen Fld

Fri 3/27

10:40 am-10:45 pm

2 stops28h 05m

Sofia

Tue 3/31

6:15 am-11:06 pm

2 stops25h 51m

$644

PortlandSofia

PDX - SOF

PDXSOF

Portland

Thu 3/12

3:41 pm-10:45 pm

2 stops22h 04m

Sofia

Mon 3/16

1:55 pm-10:38 pm

2 stops41h 43m

$647

PortlandSofia

PDX - SOF

PDXSOF

Portland

Thu 3/12

10:25 am-6:00 pm

2 stops22h 35m

Sofia

Mon 3/16

1:55 pm-8:49 pm

2 stops39h 54m

$660

PortlandSofia

PDX - SOF

PDXSOF

Portland

Thu 3/12

7:00 am-2:05 pm

2 stops22h 05m

Sofia

Mon 3/16

7:00 am-12:25 pm

1 stop14h 25m

$1,132

PortlandSofia

PDX - SOF

PDXSOF

Portland

Thu 3/12

7:00 am-2:05 pm

2 stops22h 05m

Sofia

Mon 3/16

7:00 am-12:25 pm

1 stop14h 25m

$1,190

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Oregon to Sofia

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

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Oregon is in November. Flight prices, which tend to average around $682, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Sofia from Oregon during October instead. Flights to Sofia in October, while not as cheap as those in November, still average around $748.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Tuesday is the cheapest day to fly to Sofia from Oregon. The lowest ticket price found for a Tuesday departure recently was $956. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Oregon to Sofia on a Saturday will generally be more expensive and average around $1,199. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

At noon is the cheapest time of day to fly from Oregon to Sofia when you can find flight prices for as low as $1,012. Flying to Sofia at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,171 per ticket.

Can stopping save me money on Oregon to Sofia flights?

You could potentially save up to 22% on your flight if you consider stops on a Oregon to Sofia flight.

Cheap Oregon to Sofia flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Oregon to Sofia Airport?
Prices for flights from Oregon to Sofia Airport refresh daily.
How many operators does momondo search for flights from Oregon to Sofia Airport?
As of October 2025, there are 4 operators available to choose from for flights from Oregon to Sofia Airport.
How old do you have to be to fly from Oregon to Sofia Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The necessary travel and health documents for your Sofia 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.

Best airlines flying from Oregon to Sofia

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

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $638	Free Cancellation	Rating 6.8 7,455 reviews	Search Lufthansa flights
United Airlines	PriceFrom $639	Free Cancellation	Rating 7.4 8,955 reviews	Search United Airlines flights
Air Canada	PriceFrom $678	Free Cancellation	Rating 7.1 10,245 reviews	Search Air Canada flights
KLM	PriceFrom $692	Free Cancellation	Rating 7.8 1,394 reviews	Search KLM flights

Bansko

Borovets

Velingrad

Sandanski

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

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

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

All flight searches from Oregon to Sofia on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sofia from Oregon.

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

Of course. momondo tracks the price of Oregon to Sofia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.