What is the cheapest flight from Sofia to Ontario?

In the last 3 days, the lowest price for a flight from Sofia to Ontario was $821 for a one-way ticket and $847 for a round-trip. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between Sofia and Ontario?

Yes Visit our flight page for the latest deals!>/a>

Which airports will I be using when flying from Sofia to Ontario?

When flying out of Sofia you will be using Sofia. You will be landing at Ontario, also known as Ontario. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Sofia to Ontario?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Sofia to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sofia to Ontario. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sofia to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Sofia is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Sofia to Ontario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Sofia with another airline. Booking your flights between Sofia and ONT can sometimes prove cheaper using this method. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sofia to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Sofia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

What are the most popular airlines flying to Ontario?

The most popular airline among KAYAK users flying to Ontario is Lufthansa, followed by Turkish Airlines and United Airlines.

$821 CHEAP FLIGHTS from Sofia to Ontario (SOF - ONT)

SOF - ONT

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

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Cheapest round-trip

$847

United Airlines

Mon 2/2Tue 3/31

SOF - ONT • 2 stops

Cheapest one-way

$821

British Airways

Wed 1/14

SOF - ONT • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Ontario!

Flight Deals

Cheap Flights from Sofia to Ontario (SOF-ONT)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sofia to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Sofia to Ontario

Mon, Feb 2 - Tue, Mar 31

2:20 pm - 10:53 pmSOF-ONT

18h 33m2 stops

1:34 pm - 6:40 pmONT-SOF

19h 06m2 stops

$847United Airlines

Find Deal

Fri, Feb 27 - Tue, Mar 3

6:10 am - 10:57 pmSOF-ONT

26h 47m2 stops

5:00 am - 10:45 pmONT-SOF

31h 45m2 stops

$848United Airlines

Find Deal

Fri, Feb 27 - Tue, Mar 3

6:10 am - 9:59 pmSOF-ONT

25h 49m2 stops

5:00 am - 1:45 pmONT-SOF

22h 45m2 stops

$849United Airlines

Find Deal

Thu, Apr 30 - Sat, May 9

12:50 pm - 10:26 pmSOF-ONT

19h 36m2 stops

1:33 pm - 5:10 pmONT-SOF

17h 37m2 stops

$1,115United Airlines

Find Deal

Sat, Jan 10 - Mon, Feb 16

6:05 am - 5:51 pmSOF-ONT

21h 46m2 stops

6:37 pm - 10:45 pmONT-SOF

18h 08m2 stops

$1,152United Airlines

Find Deal

Wed, Dec 24 - Sat, May 30

9:00 pm - 10:14 pmSOF-ONT

35h 14m2 stops

2:57 pm - 8:20 pmONT-SOF

19h 23m2 stops

$1,232British Airways

Find Deal

Tue, Dec 30 - Sat, May 30

6:00 am - 10:25 pmSOF-ONT

26h 25m2 stops

7:00 am - 12:05 pmONT-SOF

19h 05m2 stops

$1,335United Airlines

Find Deal

Wed, Dec 31 - Wed, Jan 7

6:10 am - 9:07 pmSOF-ONT

24h 57m2 stops

6:00 am - 1:50 pmONT-SOF

21h 50m2 stops

$1,397United Airlines

Find Deal

Sun, Dec 28 - Sat, May 30

6:05 am - 5:43 pmSOF-ONT

21h 38m2 stops

7:00 am - 12:05 pmONT-SOF

19h 05m2 stops

$1,402United Airlines

Find Deal

Mon, Dec 29 - Sat, May 30

6:10 am - 5:43 pmSOF-ONT

21h 33m2 stops

7:00 am - 12:05 pmONT-SOF

19h 05m2 stops

$1,411United Airlines

Find Deal

Booking Insights

Cheapest flight	$821

Flight from Sofia to Ontario

When to book flights from Sofia to Ontario

Are your dates flexible? Find out the best times to travel from Sofia to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Sofia to Ontario?
In the last 3 days, the lowest price for a flight from Sofia to Ontario was $821 for a one-way ticket and $847 for a round-trip.
Do I need a passport to fly between Sofia and Ontario?
Yes
Which airports will I be using when flying from Sofia to Ontario?
When flying out of Sofia you will be using Sofia. You will be landing at Ontario, also known as Ontario.
Which aircraft models fly most regularly from Sofia to Ontario?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from Sofia to Ontario?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sofia to Ontario.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sofia to Ontario?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Sofia is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Sofia to Ontario?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Sofia with another airline. Booking your flights between Sofia and ONT can sometimes prove cheaper using this method.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sofia to Ontario?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Sofia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Sofia to Ontario

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on your arrival and departure airports

Sofia (SOF)

Ontario (ONT)

SOF - ONT

$821 Find Cheap Flights from Sofia to Ontario

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

Everything you should know

Cheap Flights from Sofia to Ontario (SOF-ONT)

Recent round-trip flight deals from Sofia to Ontario

Recent one-way flight deals from Sofia to Ontario

Recent last minute flight deals from Sofia to Ontario

Good to know

When to book flights from Sofia to Ontario

FAQs for booking flights from Sofia to Ontario

What is the cheapest flight from Sofia to Ontario?

In the last 3 days, the lowest price for a flight from Sofia to Ontario was $821 for a one-way ticket and $847 for a round-trip.

Do I need a passport to fly between Sofia and Ontario?

Yes

Which airports will I be using when flying from Sofia to Ontario?

When flying out of Sofia you will be using Sofia. You will be landing at Ontario, also known as Ontario.

Which aircraft models fly most regularly from Sofia to Ontario?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Sofia to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sofia to Ontario.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sofia to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Sofia is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Sofia to Ontario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Sofia with another airline. Booking your flights between Sofia and ONT can sometimes prove cheaper using this method.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sofia to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Sofia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Sofia to Ontario

Information on your arrival and departure airports

Cabin class types available on flights from Sofia to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Find direct flights to and from Sofia and Ontario

Flights to other popular destinations

Flights from domestic origins to Ontario

Choose which airport to fly into in Ontario