$384+ Cheap flights from Ontario (ONT) to Lisbon (LIS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LIS
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Lisbon with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Lisbon
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Cheapest flights from Ontario to LisbonExplore the most affordable flight options available from Ontario to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Ontario to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am -
2 stops19h 00m
Wed 11/411:15 am -
2 stops18h 56m
Deal found 9/14![Delta logo]()
$620
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:15 pm -
2 stops49h 45m
Mon 11/212:25 pm -
2 stops35h 58m
Deal found 9/16![Delta logo]()
$655
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:05 am -
2 stops16h 55m
Thu 12/311:15 am -
2 stops31h 53m
Deal found 9/16![Delta logo]()
$670
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
2 stops20h 00m
Mon 11/911:30 am -
2 stops44h 19m
Deal found 9/16![Delta logo]()
$681
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:16 pm -
2 stops37h 44m
Mon 11/911:30 am -
2 stops44h 19m
Deal found 9/16![Delta logo]()
$694
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:56 am -
2 stops22h 34m
Thu 11/55:30 am -
2 stops24h 41m
Deal found 9/14![Delta logo]()
$696
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals ”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:07 am -
2 stops18h 53m
Sun 11/85:30 am -
2 stops18h 53m
Deal found 9/16![Delta logo]()
$731
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:00 am -
2 stops24h 10m
Sat 12/511:15 am -
2 stops31h 53m
Deal found 9/16![Delta logo]()
$739
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:16 pm -
2 stops37h 44m
Sun 11/811:30 am -
2 stops44h 19m
Deal found 9/16![Delta logo]()
$744
Best flights from Ontario to LisbonDiscover carefully curated flight deals from Ontario to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Ontario to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:16 pm -
2 stops37h 44m
Mon 11/911:30 am -
2 stops44h 19m
Deal found 9/16![Delta logo]()
$694
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/155:00 am -
2 stops19h 10m
Wed 12/2311:20 am -
2 stops41h 40m
Deal found 9/16![United Airlines logo]()
$796
This British Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/242:22 pm -
2 stops23h 33m
Sun 12/2710:40 am -
2 stops21h 17m
Deal found 9/16![Multiple Airlines logo]()
$1,072
This British Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:44 am -
2 stops22h 21m
Sat 12/267:00 am -
2 stops23h 02m
Deal found 9/14![British Airways logo]()
$1,542
This Turkish Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:39 pm -
2 stops40h 56m
Fri 10/165:55 am -
2 stops47h 50m
Deal found 9/17![Turkish Airlines logo]()
$1,586
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:00 am -
3 stops21h 20m
Sun 12/610:15 am -
2 stops18h 56m
Deal found 9/13![United Airlines logo]()
$851
This Turkish Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:13 am -
2 stops28h 32m
Wed 10/145:55 am -
2 stops36h 22m
Deal found 9/16![Multiple Airlines logo]()
$1,338
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/275:00 am -
2 stops19h 10m
Sun 1/310:40 am -
2 stops34h 02m
Deal found 9/13![United Airlines logo]()
$1,300
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:38 pm -
2 stops35h 42m
Fri 1/111:20 am -
2 stops41h 40m
Deal found 9/15![United Airlines logo]()
$1,373
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:03 am -
2 stops17h 17m
Wed 10/2112:20 pm -
2 stops18h 31m
Deal found 9/16![United Airlines logo]()
$1,541
Last-minute flights from Ontario to LisbonDiscover last-minute flight deals from Ontario to Lisbon. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Lisbon. Data last updated September 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:15 pm -
2 stops50h 45m
Mon 11/211:30 am -
2 stops36h 53m
Deal found 9/16![Delta logo]()
$802
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:15 pm -
2 stops49h 45m
Mon 11/212:25 pm -
2 stops35h 58m
Deal found 9/16![Delta logo]()
$655
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am -
2 stops19h 00m
Wed 11/411:15 am -
2 stops18h 56m
Deal found 9/14![Delta logo]()
$620
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:56 am -
2 stops22h 34m
Thu 11/55:30 am -
2 stops24h 41m
Deal found 9/14![Delta logo]()
$696
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:16 pm -
2 stops37h 44m
Mon 11/911:30 am -
2 stops44h 19m
Deal found 9/16![Delta logo]()
$694
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:35 pm -
2 stops36h 25m
Sun 11/85:30 am -
2 stops18h 53m
Deal found 9/16![Delta logo]()
$744
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
2 stops20h 00m
Mon 11/911:30 am -
2 stops44h 19m
Deal found 9/16![Delta logo]()
$681
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:07 am -
2 stops18h 53m
Sun 11/85:30 am -
2 stops18h 53m
Deal found 9/16![Delta logo]()
$731
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:00 am -
3 stops46h 05m
Mon 11/910:15 am -
2 stops40h 32m
Deal found 9/16![United Airlines logo]()
$844
One-way flights from Ontario to LisbonSearch for one-way flight options from Ontario to Lisbon. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Ontario to Lisbon. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/107:00 am -
2 stops17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$384
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/91:00 pm -
2 stops36h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air Canada logo]()
$393
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/157:05 am -
2 stops17h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:00 am -
2 stops17h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/126:53 pm -
2 stops29h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$449
This KAYAK deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/512:44 pm -
2 stops18h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![British Airways logo]()
$455
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am -
2 stops20h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:03 am -
2 stops17h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:16 pm -
2 stops37h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:25 am -
2 stops15h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:22 pm -
2 stops35h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$479
This Air Canada deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:29 pm -
2 stops36h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Air Canada logo]()
$484
Find flight deals from Ontario to Lisbon
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $620 (Delta) |
One-way from | $384 (United Airlines) |
Popular in | April |
Cheapest in | November |
Average price | $874 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Ontario to Lisbon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioLisbon
ONT Ontario - LIS Lisbon Humberto Delgado
ONTLIS
Ontario
Mon 3/1
6:30 am-8:10 am
2 stops17h 40m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$384
OntarioLisbon
ONT Ontario - LIS Lisbon Humberto Delgado
ONTLIS
Ontario
Mon 1/11
7:00 am-8:10 am
2 stops17h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$384
OntarioLisbon
ONT Ontario - LIS Lisbon Humberto Delgado
ONTLIS
Ontario
Tue 10/20
7:00 am-8:20 am
2 stops17h 20m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$463
OntarioLisbon
ONT Ontario - LIS Lisbon Humberto Delgado
ONTLIS
Ontario
Tue 10/27
5:00 am-10:05 am
3 stops22h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$463
OntarioLisbon
ONT Ontario - LIS Lisbon Humberto Delgado
ONTLIS
Ontario
Wed 10/28
6:00 am-10:20 am
2 stops21h 20m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$463
OntarioLisbon
ONT Ontario - LIS Lisbon Humberto Delgado
ONTLIS
Ontario
Wed 10/21
8:03 am-9:20 am
2 stops17h 17m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$467
Quickest round-trip
OntarioLisbon
ONT Ontario - LIS Lisbon Humberto Delgado
ONTLIS
Ontario
Wed 11/4
9:25 am-8:55 am
2 stops15h 30m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$472
OntarioLisbon
ONT Ontario - LIS Lisbon Humberto Delgado
ONTLIS
Ontario
Thu 10/29
6:59 am-10:20 am
2 stops20h 21m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$513
OntarioLisbon
ONT Ontario - LIS Lisbon Humberto Delgado
ONTLIS
Ontario
Sat 10/31
6:00 am-8:10 am
2 stops19h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$513
OntarioLisbon
ONT Ontario - LIS Lisbon Humberto Delgado
ONTLIS
Ontario
Fri 10/30
6:00 am-8:10 am
2 stops19h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$513
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Ontario to Lisbon
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Lisbon in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Lisbon flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Ontario-Lisbon flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Ontario-Lisbon flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Lisbon flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Lisbon
Have a flexible travel schedule? Discover the best time to fly to Lisbon from Ontario with our price prediction graph.
ONT-LIS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Lisbon
Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated September 17, 2026.
See what other customers who have flown with United Airlines from Ontario to Lisbon have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Related info for your journey
Find useful and relevant information for your journey from Ontario to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsFátima
Ericeira
Oeiras
Torres Vedras
Beja
Nazaré
Colares
Sesimbra
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Explore flights to Lisbon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
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Browse other Ontario and Lisbon flight options. Last updated on September 17, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Ontario to Lisbon
Discover the top airline that operate flights from Ontario to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$515 | Average$727 | FlexibilityNo cancel fee | On-time69% |