background

Flight Deals from Lisbon to Ontario International Airport from $750

Bundle + Save

Bundle + Save

Top flight deals from leading airlines:

BA LogoDL LogoQR LogoSQ LogoNH LogoEK LogoJL Logo

... and +100s more

Benefit Icon
Incredible Deals

Save up to 50% on select flights with Priceline

Benefit Icon
Bundle & Save

Save an average of $240 per person when bundling your flight and hotel together with Priceline

Benefit Icon
Best Price Guarantee

If a VIP member finds a better price elsewhere, we'll refund up to 200% of the difference

Benefit Icon
Help 24/7

We’re always here for you - reach us 24 hours a day, 7 days a week

Stops

Up to 2 stops
$877

Airlines

British Airways
$908
Delta Air Lines
$877

Cabin Class

Economy
$877

Departure Airports

Humberto Delgado Airport (Lisbon Portela Airport)
$877

Arrival Airports

Ontario International Airport
$877

Layover Airports

Detroit Metropolitan Airport
$885
Hartsfield Jackson Atlanta International Airport
$877
London Heathrow Airport
$908
New York John F Kennedy Airport
$885
Paris Charles de Gaulle Airport
$877
Philadelphia International Airport
$908
Phoenix Sky Harbor International Airport
$908
Salt Lake City International Airport
$877

Best Price. GUARANTEED.

Exclusively for Priceline Members
Tired of searching? Book now!
We'll refund the difference if you find a lower price.

Phone Banner

Priceline Phone Deals

Book with an agent for great rates!

Bundle and Save
BUNDLE & SAVE

Book a flight & hotel together for extra savings.

On average save $240 per traveler
Delta Air Lines Logo
Delta Air Lines

10/12/25

12:10pm
LIS
35h 36m
CDG
SLC

10/13/25

11:46pm
ONT
Delta Air Lines Logo
Delta Air Lines

10/24/25

7:00am
ONT
28h 15m
ATL
CDG

10/25/25

11:15am
LIS
$877
Free cancellation within 83 hours of booking
Delta Air Lines Logo
Delta Air Lines

10/18/25

9:45am
LIS
38h 1m
CDG
SLC

10/19/25

11:46pm
ONT
Delta Air Lines Logo
Delta Air Lines

11/05/25

10:55pm
ONT
33h 5m
DTW
JFK

11/07/25

8:00am
LIS
$885
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/04/25

6:55pm
LIS
22h 56m
LHR
PHX

10/05/25

5:51pm
ONT
British Airways Logo
British Airways

10/22/25

11:02am
ONT
22h 3m
PHL

10/23/25

9:05am
LIS
$908
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/18/25

6:55pm
LIS
21h 41m
LHR
PHX

10/19/25

4:36pm
ONT
British Airways Logo
British Airways

11/05/25

11:28am
ONT
21h 37m
PHL

11/06/25

9:05am
LIS
$908
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/17/25

6:55pm
LIS
21h 41m
LHR
PHX

10/18/25

4:36pm
ONT
British Airways Logo
British Airways

10/29/25

4:30pm
ONT
39h 35m
PHL

10/31/25

8:05am
LIS
$920
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/27/25

7:05am
LIS
14h 35m
LHR
PHX

10/27/25

9:40pm
ONT
British Airways Logo
British Airways

11/03/25

11:25pm
ONT
33h 50m
PHL

11/05/25

9:15am
LIS
$920
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/11/25

6:55pm
LIS
21h 41m
LHR
PHX

10/12/25

4:36pm
ONT
British Airways Logo
British Airways

10/29/25

7:59pm
ONT
36h 6m
PHX
PHL

10/31/25

8:05am
LIS
$938
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/17/25

6:55pm
LIS
21h 41m
LHR
PHX

10/18/25

4:36pm
ONT
British Airways Logo
British Airways

10/29/25

7:59pm
ONT
36h 6m
PHX
PHL

10/31/25

8:05am
LIS
$938
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/18/25

6:55pm
LIS
21h 41m
LHR
PHX

10/19/25

4:36pm
ONT
British Airways Logo
British Airways

11/05/25

6:45am
ONT
26h 20m
PHX
PHL

11/06/25

9:05am
LIS
$957
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

10/04/25

6:55pm
LIS
22h 56m
LHR
PHX

10/05/25

5:51pm
ONT
British Airways Logo
British Airways

10/22/25

10:28am
ONT
22h 37m
PHX
PHL

10/23/25

9:05am
LIS
$957
Free cancellation within 83 hours of booking

Top Deals on flights from Lisbon to Ontario International Airport

Lisbon, PT (LIS) - Los Angeles, US (LAX)

British Airways Logo
British Airways

Jun 10

6:45pm
LIS
23h 27m
LHR
PHX

Jun 11

6:12pm
ONT

as low as

$750

Lisbon, PT (LIS) - Los Angeles, US (LAX)

British Airways Logo
British Airways

Jun 23

7:15am
LIS
11h 46m
LHR
DFW

Jun 23

7:01pm
ONT

as low as

$750

Lisbon, PT (LIS) - Los Angeles, US (LAX)

British Airways Logo
British Airways

Jun 8

7:20am
LIS
11h 41m
LHR
DFW

Jun 8

7:01pm
ONT

as low as

$750

Lisbon, PT (LIS) - Los Angeles, US (LAX)

British Airways Logo
British Airways

Jun 16

7:15am
LIS
14h 23m
LHR
PHX

Jun 16

9:38pm
ONT

as low as

$750

Lisbon, PT (LIS) - Los Angeles, US (LAX)

United Airlines Logo
United Airlines

Apr 23

11:25am
LIS
25h 13m
YUL
DEN

Apr 24

12:38pm
ONT

as low as

$938

Lisbon, PT (LIS) - Los Angeles, US (LAX)

United Airlines Logo
United Airlines

May 18

10:25am
LIS
10h 9m
EWR
SFO

May 18

8:34pm
ONT

as low as

$953

Lisbon, PT (LIS) - Los Angeles, US (LAX)

United Airlines Logo
United Airlines

Apr 8

10:25am
LIS
10h 17m
EWR
DEN

Apr 8

8:42pm
ONT

as low as

$953

Lisbon, PT (LIS) - Los Angeles, US (LAX)

United Airlines Logo
United Airlines

Apr 7

10:25am
LIS
9h 56m
EWR
SFO

Apr 7

8:21pm
ONT

as low as

$953

Lisbon, PT (LIS) - Los Angeles, US (LAX)

Lufthansa Logo
Lufthansa

May 30

8:35am
LIS
12h 35m
FRA
IAH

May 30

9:10pm
ONT

as low as

$999

Lisbon, PT (LIS) - Los Angeles, US (LAX)

Lufthansa Logo
Lufthansa

Jun 10

8:35am
LIS
12h 35m
FRA
IAH

Jun 10

9:10pm
ONT

as low as

$999

Lisbon, PT (LIS) - Los Angeles, US (LAX)

American Airlines Logo
American Airlines

Aug 16

11:05am
LIS
10h 30m
PHL
PHX

Aug 16

9:35pm
ONT

as low as

$1026

Lisbon, PT (LIS) - Los Angeles, US (LAX)

United Airlines Logo
United Airlines

Apr 24

12:50pm
LIS
31h 52m
YYZ
DEN

Apr 25

8:42pm
ONT

as low as

$1049
User

Priceline Phone Deals

Book with an agent for great rates!
Call now!

1 (888) 775-6158
Priceline is part of Booking Holdings, the world leader in online travel & related services.
Priceline LogoBooking LogoKayak LogoOpen Table LogoRental Cars LogoAgoba Logo
Sroll to top