- Regular
- StudentStudent Fare
Only students above 12 years of age are eligible for special fares and/or additional baggage allowances. Carrying valid student ID cards and student visas (where applicable) is mandatory, else the passenger may be denied boarding or asked to pay for extra baggage.
Popular Filters
+ 1 more
Departure Airports
One Way Price
Duration
Stops From Ontario
Departure From Ontario
₹ 45,254
₹ 11,908
₹ 15,254
₹ 14,512
Arrival at Seattle
₹ 13,300
₹ 11,908
₹ 14,512
Alliances & Airlines
Oneworld
(28)
SkyTeam
(6)
Star Alliance
(7)
Layover Airports
+ 5 more
Layover Duration
Further Flights From Ontario (ONT)
Further Flights From Seattle (SEA)
Up to 15% OFF* on Flights.
23rd Aug'25
Ontario Airport Contact Info
Address
Seattle Airport Contact Info
Address
Tel:
Top International Routes
Top International Cities
Popular Hotels in Ontario
Hotels in Ontario
Premium Hotels Nearby Ontario
Popular Hotels in Seattle
Hotels in Seattle
Ontario to Seattle Flight Schedule
Plan a trip like never before. Keep yourself informed with updated flight schedules for all airlines between Ontario - Seattle on Goibibo. Avail yourself with fit to pocket airfares for all major airlines. Also check Seattle Ontario Flight Schedule online.
₹ 12,908
₹ 1,000 Instant Discount
Special Deal Pre-applied for you
Ontario to Seattle , 2 Sep
Hawaiian Airlines HA 6286 | Operated By Alaska Airlines
07:10
Tue, 2 Sep 25
Terminal T2
Ontario, United States
02 h 19 m
09:29
Tue, 2 Sep 25
Portland, United States
BAGGAGE : CHECK INCABIN
Information not available
Hawaiian Airlines HA 6397 | Operated By Alaska Airlines
13:24
Tue, 2 Sep 25
Portland, United States
01 h 02 m
14:26
Tue, 2 Sep 25
Seattle, United States
BAGGAGE : CHECK INCABIN
Information not available
Fare Option 1
Fare offered by airline.
₹ 12,908₹ 11,908
₹ 14,300
₹ 1,000 Instant Discount
Special Deal Pre-applied for you
Ontario to Seattle , 2 Sep
Hawaiian Airlines HA 6288 | Operated By Alaska Airlines
06:00
Tue, 2 Sep 25
Terminal T2
Ontario, United States
02 h 45 m
08:45
Tue, 2 Sep 25
Seattle, United States
BAGGAGE : CHECK INCABIN
Information not available
Fare Option 1
Fare offered by airline.
₹ 14,300₹ 13,300
Fare Option 2
Fare offered by airline.
₹ 14,467₹ 13,467
₹ 14,512
Use code GODEALS and get Rs 1310 discount
Ontario to Seattle , 2 Sep
Delta Air Lines DL 4042
06:00
Tue, 2 Sep 25
Terminal T2
Ontario, United States
02 h 48 m
08:48
Tue, 2 Sep 25
Seattle, United States
BAGGAGE : CHECK INCABIN
Information not available
Delta main basic
Fare offered by airline.
₹ 14,512
Delta main
Fare offered by airline.
₹ 17,713
Delta comfort
Fare offered by airline.
₹ 20,461
Delta comfort refundable
Fare offered by airline.
₹ 25,948
₹ 14,512
Use code GODEALS and get Rs 1310 discount
Ontario to Seattle , 2 Sep
Delta Air Lines DL 1566
11:40
Tue, 2 Sep 25
Terminal T2
Ontario, United States
02 h 45 m
14:25
Tue, 2 Sep 25
Seattle, United States
BAGGAGE : CHECK INCABIN
Information not available
Delta main basic
Fare offered by airline.
₹ 14,512
Delta main
Fare offered by airline.
₹ 17,713
Delta main refundable
Fare offered by airline.
₹ 20,461
₹ 14,512
Use code GODEALS and get Rs 1310 discount
Ontario to Seattle , 2 Sep
Delta Air Lines DL 4031
18:05
Tue, 2 Sep 25
Terminal T2
Ontario, United States
02 h 45 m
20:50
Tue, 2 Sep 25
Seattle, United States
BAGGAGE : CHECK INCABIN
Information not available
Delta main basic
Fare offered by airline.
₹ 14,512
Delta main
Fare offered by airline.
₹ 17,713
Delta comfort
Fare offered by airline.
₹ 20,461
Delta comfort refundable
Fare offered by airline.
₹ 25,948
₹ 16,587
₹ 2,000 Instant Discount
Special Deal Pre-applied for you
Ontario to Seattle , 2 Sep
Alaska Airlines AS 1058
07:10
Tue, 2 Sep 25
Terminal T2
Ontario, United States
02 h 19 m
09:29
Tue, 2 Sep 25
Portland, United States
BAGGAGE : CHECK INCABIN
Information not available
Alaska Airlines AS 1016
13:24
Tue, 2 Sep 25
Portland, United States
01 h 02 m
14:26
Tue, 2 Sep 25
Seattle, United States
BAGGAGE : CHECK INCABIN
Information not available
Fare Option 1
Fare offered by airline.
₹ 16,587₹ 14,587
₹ 16,254
₹ 1,000 Instant Discount
Special Deal Pre-applied for you
Ontario to Seattle , 2 Sep
Hawaiian Airlines HA 6290 | Operated By Alaska Airlines
15:06
Tue, 2 Sep 25
Terminal T2
Ontario, United States
02 h 40 m
17:46
Tue, 2 Sep 25
Seattle, United States
BAGGAGE : CHECK INCABIN
Information not available
Fare Option 1
Fare offered by airline.
₹ 16,254₹ 15,254
Fare Option 2
Fare offered by airline.
₹ 16,379₹ 15,379
₹ 15,402
Use code GODEALS and get Rs 1310 discount
Ontario to Seattle , 2 Sep
Delta Air Lines DL 1786
13:15
Tue, 2 Sep 25
Terminal T2
Ontario, United States
01 h 45 m
16:00
Tue, 2 Sep 25
Salt Lake City, United States
BAGGAGE : CHECK INCABIN
Information not available
Delta Air Lines DL 871
17:45
Tue, 2 Sep 25
Salt Lake City, United States
02 h 15 m
19:00
Tue, 2 Sep 25
Seattle, United States
BAGGAGE : CHECK INCABIN
Information not available
Delta main basic
Fare offered by airline.
₹ 15,402
Delta main
Fare offered by airline.
₹ 18,603
Delta comfort
Fare offered by airline.
₹ 21,350
Delta comfort refundable
Fare offered by airline.
₹ 26,837
₹ 16,050
Use code GODEALS and get Rs 1310 discount
Ontario to Seattle , 2 Sep
United Airlines UA 2647
06:00
Tue, 2 Sep 25
Terminal T2
Ontario, United States
01 h 19 m
07:19
Tue, 2 Sep 25
Terminal T3
San Francisco, United States
BAGGAGE : CHECK INCABIN
Information not available
United Airlines UA 433
11:10
Tue, 2 Sep 25
Terminal T3
San Francisco, United States
02 h 18 m
13:28
Tue, 2 Sep 25
Seattle, United States
BAGGAGE : CHECK INCABIN
Information not available
Economy
Fare offered by airline.
₹ 16,050
Economy fully refundable
Fare offered by airline.
₹ 19,114
Economy plus
Fare offered by airline.
₹ 34,094
Economy plus fully refundable
Fare offered by airline.
₹ 37,593
₹ 18,448
₹ 2,000 Instant Discount
Special Deal Pre-applied for you
Ontario to Seattle , 2 Sep
Alaska Airlines AS 1091
06:00
Tue, 2 Sep 25
Terminal T2
Ontario, United States
02 h 45 m
08:45
Tue, 2 Sep 25
Seattle, United States
BAGGAGE : CHECK INCABIN
Information not available
Fare Option 1
Fare offered by airline.
₹ 11,989
₹ 11,989
₹ 18,448₹ 16,448
| Ontario Seattle Cheap Flights | Fare | Date |
|---|---|---|
| Lowest Airfare Today | Rs 0 | |
| Cheapest Fare Within 30 Days | Rs 12908 |
02 Sep
|
| Cheapest Fare Within 90 Days | Rs 12908 |
02 Sep
|
| Cheapest Fare Within 365 Days | Rs 12908 |
02 Sep
|
