background

Flight Deals from Ontario International Airport to Lisbon from $432

Bundle + Save

Bundle + Save

Top flight deals from leading airlines:

LH LogoBA LogoIB LogoAY LogoQR LogoSQ LogoNH 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
$669

Airlines

British Airways
$669
Brussels Airlines
$1203
Finnair
$1600
IBERIA
$923
Lufthansa
$1156

Cabin Class

Economy
$669

Departure Airports

Ontario International Airport
$669

Arrival Airports

Humberto Delgado Airport (Lisbon Portela Airport)
$669

Layover Airports

Adolfo Suárez Madrid–Barajas Airport
$696
Barcelona International Airport
$923
Charlotte Douglas International Airport
$1600
Chicago O Hare Airport
$669
Dallas Fort Worth International Airport
$669
Denver International Airport
$1156
Hartsfield Jackson Atlanta International Airport
$1156
Helsinki Vantaa Airport
$976
London Heathrow Airport
$669
Newark Liberty Airport
$1156
Philadelphia International Airport
$1600
Phoenix Sky Harbor International Airport
$872
Toronto Pearson Airport
$1203
Washington Dulles Airport
$1156

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
British Airways Logo
British Airways

11/03/25

8:46am
ONT
27h 24m
DFW
LHR

11/04/25

12:10pm
LIS
British Airways Logo
British Airways

11/10/25

6:35pm
LIS
23h 20m
LHR
ORD

11/11/25

5:55pm
ONT
$669
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

11/07/25

12:53pm
ONT
29h 2m
DFW
LHR

11/08/25

5:55pm
LIS
British Airways Logo
British Airways

11/14/25

6:30am
LIS
17h 15m
MAD
DFW

11/14/25

11:45pm
ONT
$696
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

11/07/25

5:01pm
ONT
24h 54m
PHX
LHR

11/08/25

5:55pm
LIS
British Airways Logo
British Airways

11/14/25

12:30pm
LIS
11h 15m
MAD
DFW

11/14/25

11:45pm
ONT
$872
Free cancellation within 83 hours of booking
IBERIA Logo
IBERIA

11/06/25

3:05pm
ONT
25h
DFW
MAD

11/07/25

4:05pm
LIS
IBERIA Logo
IBERIA

11/16/25

9:05am
LIS
9h
BCN

11/16/25

6:05pm
ONT
$923
Free cancellation within 83 hours of booking
IBERIA Logo
IBERIA

11/14/25

3:05pm
ONT
25h
DFW
MAD

11/15/25

4:05pm
LIS
IBERIA Logo
IBERIA

11/22/25

4:10pm
LIS
24h 55m
HEL

11/23/25

5:05pm
ONT
$976
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

11/07/25

7:00am
ONT
27h 15m
ATL
IAD

11/08/25

10:15am
LIS
Lufthansa Logo
Lufthansa

11/14/25

10:15am
LIS
10h 2m
EWR
DEN

11/14/25

8:17pm
ONT
$1156
Free cancellation within 83 hours of booking
Brussels Airlines Logo
Brussels Airlines

11/07/25

5:45am
ONT
27h 35m
DEN
YYZ

11/08/25

9:20am
LIS
Brussels Airlines Logo
Brussels Airlines

11/14/25

10:15am
LIS
12h 11m
EWR

11/14/25

10:26pm
ONT
$1203
Free cancellation within 83 hours of booking
Finnair Logo
Finnair

11/07/25

10:31am
ONT
21h 24m
PHX
PHL

11/08/25

7:55am
LIS
Finnair Logo
Finnair

11/14/25

11:05am
LIS
9h 6m
PHL
CLT

11/14/25

8:11pm
ONT
$1600
Free cancellation within 83 hours of booking

Top Deals on flights from Ontario International Airport to Lisbon

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

Delta Air Lines Logo
Delta Air Lines

Nov 3

7:00am
ONT
26h
ATL
BOS

Nov 4

9:00am
LIS

as low as

$432

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

KLM Logo
KLM

Nov 3

6:00am
ONT
32h 35m
SLC
AMS

Nov 4

2:35pm
LIS

as low as

$481

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

British Airways Logo
British Airways

Nov 9

5:01pm
ONT
24h 44m
PHX
LHR

Nov 10

5:45pm
LIS

as low as

$505

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

Air Canada Logo
Air Canada

Oct 6

6:00am
ONT
27h 20m
SFO
YUL

Oct 7

9:20am
LIS

as low as

$542

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

Delta Air Lines Logo
Delta Air Lines

Jul 24

6:00am
ONT
26h
SLC
JFK

Jul 25

8:00am
LIS

as low as

$543

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

United Airlines Logo
United Airlines

Jul 7

7:00am
ONT
26h 20m
ORD
YUL

Jul 8

9:20am
LIS

as low as

$547

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

United Airlines Logo
United Airlines

Jul 14

6:00am
ONT
26h 20m
IAH
EWR

Jul 15

8:20am
LIS

as low as

$547

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

Delta Air Lines Logo
Delta Air Lines

Aug 7

7:00am
ONT
28h 15m
ATL
CDG

Aug 8

11:15am
LIS

as low as

$561

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

United Airlines Logo
United Airlines

May 13

5:05am
ONT
34h 20m
DEN
FRA

May 14

3:25pm
LIS

as low as

$570

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

Virgin Atlantic Logo
Virgin Atlantic

Jul 20

12:00pm
ONT
46h 45m
ATL
BOS

Jul 22

10:45am
LIS

as low as

$573

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

IBERIA Logo
IBERIA

Nov 19

11:00am
ONT
29h 5m
DFW
MAD

Nov 20

4:05pm
LIS

as low as

$602

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

American Airlines Logo
American Airlines

May 20

10:53am
ONT
29h 12m
DFW
MAD

May 21

4:05pm
LIS

as low as

$935
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