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Cheap flights from Ontario to Porto from $474

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Porto departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Porto

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to Porto.
6:41 pm - 9:20 amONT-OPO
30h 39m2 stops
12:10 pm - 5:43 pmOPO-ONT
37h 33m2 stops
Tue, Jun 24 - Thu, Jul 24
6:00 am - 9:45 amONT-OPO
19h 45m2 stops
6:00 am - 8:53 pmOPO-ONT
22h 53m2 stops
$913United Airlines
Find Deal
Wed, May 7 - Wed, May 14
6:00 am - 7:00 amONT-OPO
17h 00m2 stops
9:35 am - 9:04 pmOPO-ONT
19h 29m2 stops
$925United Airlines
Find Deal
Wed, Jun 4 - Wed, Jun 11
6:41 pm - 9:20 amONT-OPO
30h 39m3 stops
12:10 pm - 12:32 pmOPO-ONT
32h 22m2 stops
Tue, Jun 24 - Thu, Jul 24
2:39 pm - 3:55 pmONT-OPO
17h 16m2 stops
12:20 pm - 11:29 pmOPO-ONT
19h 09m2 stops
$1,005Iberia
Find Deal
Fri, Aug 1 - Mon, Aug 18
2:59 pm - 7:55 pmONT-OPO
20h 56m2 stops
12:20 pm - 11:29 pmOPO-ONT
19h 09m2 stops
$1,042Iberia
Find Deal
Wed, Aug 20 - Wed, Aug 27
11:46 am - 3:35 pmONT-OPO
19h 49m2 stops
5:30 pm - 6:20 pmOPO-ONT
32h 50m2 stops
$1,071KLM
Find Deal
Mon, May 19 - Mon, May 26
1:10 pm - 3:35 pmONT-OPO
18h 25m2 stops
9:20 am - 10:46 pmOPO-ONT
21h 26m2 stops
$1,147Delta
Find Deal
Fri, May 30 - Sun, Jun 8
2:44 pm - 3:55 pmONT-OPO
17h 11m2 stops
12:20 pm - 11:43 pmOPO-ONT
19h 23m2 stops
$1,380American Airlines
Find Deal
Sun, May 11 - Sun, May 18
10:54 am - 11:40 amONT-OPO
16h 46m2 stops
12:20 pm - 11:43 pmOPO-ONT
19h 23m2 stops
$2,033American Airlines
Find Deal
Tue, Apr 22 - Mon, May 5

Iberia flights from Ontario to Porto

Our best Iberia deals on Ontario to Porto flight tickets
Iberia
Aug 1
ONT2:39 pmOntario
17h 16m
2 stops
OPO3:55 pmPorto
Aug 18
OPO12:20 pmPorto
19h 09m
2 stops
ONT11:29 pmOntario
Iberia
Aug 20
ONT2:59 pmOntario
20h 56m
2 stops
OPO7:55 pmPorto
Aug 27
OPO12:20 pmPorto
19h 09m
2 stops
ONT11:29 pmOntario
Iberia
Aug 17
ONT12:46 pmOntario
19h 09m
2 stops
OPO3:55 pmPorto
Aug 28
OPO12:20 pmPorto
19h 09m
2 stops
ONT11:29 pmOntario

American Airlines flights from Ontario to Porto

Our best American Airlines deals on Ontario to Porto flight tickets
American Airlines
May 11
ONT2:44 pmOntario
17h 11m
2 stops
OPO3:55 pmPorto
May 18
OPO12:20 pmPorto
19h 23m
2 stops
ONT11:43 pmOntario
American Airlines
Apr 22
ONT10:54 amOntario
16h 46m
2 stops
OPO11:40 amPorto
May 5
OPO12:20 pmPorto
19h 23m
2 stops
ONT11:43 pmOntario

See travel insights to Porto from

How to get the cheapest flight ticket from Ontario to Porto

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

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

The cheapest day to depart on your flight to Porto is on a Wednesday when prices can be found for as low as $942. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,197. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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

In the evening is the cheapest time of day to fly from Ontario to Porto when you can find flight prices for as low as $954. Flying to Porto in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,172 on average. Flights to Porto from Ontario in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Ontario to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Porto (ONT to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Porto

Best Price Found

$474

Fastest flight time

15h 55m

Direct flights

None

Airports in Porto

1 airport
The best one-way flight to Porto from Ontario in the past 72 hours is $474. The best round-trip flight deal from Ontario to Porto found on momondo in the last 72 hours is $897.
The fastest flight from Ontario to Porto takes 15h 55m
There are no direct flights from Ontario to Porto. Popular non-direct route for this connection is Ontario Airport - Porto Airport.
There is 1 airport near Porto: Porto (OPO)

  • How far is Ontario to Porto by plane?

    The distance between Ontario and Porto is about 5556.9 mi. By plane, this route typically takes 16h 46m.

  • When did momondo last update prices for flights from Ontario Airport to Porto Airport?

    Prices for flights from Ontario Airport to Porto Airport are updated daily.

  • How old do you have to be to fly from Ontario Airport to Porto 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 Ontario Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The necessary travel and health documents for your Porto 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.


Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Coimbra
Aveiro
Caminha
Matosinhos
Vila Nova de Gaia
Braga
Chaves
Guimarães
Arcos de Valdevez
Esposende
Viseu
Espinho
Lamego
Ponte de Lima
Mira
Baiao
Pinhao
Santa Maria da Feira
Curia
Mesao Frio

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Porto?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Porto from Ontario.

Can I find flights from Ontario to Porto with flexible booking policies on momondo?

Flights from Ontario to Porto with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Porto?

Once you have performed a search for Ontario to Porto 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 Ontario to Porto right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Porto now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Porto and let you know when they change.


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