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Flight Deals from Seoul Incheon Airport to Ontario International Airport from $420

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Stops

Up to 1 stop
$758
Up to 2 stops
$516

Airlines

Alaska Airlines
$861
American Airlines
$1864
Asiana
$1095
China Airlines
$899
Delta Air Lines
$916
Hahn Air
$1893
Hawaiian Airlines
$888
Korean Air
$1107
Qatar Airways
$2393
United Airlines
$516
Xiamen Airlines
$1435

Cabin Class

Economy
$516

Departure Airports

Seoul Incheon Airport
$516

Arrival Airports

Ontario International Airport
$516

Layover Airports

Chengdu Tianfu International Airport
$1893
Dallas Fort Worth International Airport
$1864
Daniel K Inouye International Airport
$861
Denver International Airport
$516
Hamad International Airport
$2393
Phoenix Sky Harbor International Airport
$1864
Portland International Airport
$1095
Salt Lake City International Airport
$916
San Francisco International Airport
$516
Seattle Tacoma International Airport
$916
Taiwan Taoyuan International Airport
$899
Tokyo Narita Airport
$1105
Xiamen Gaoqi International Airport
$1435

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On average save $240 per traveler
United Airlines Logo
United Airlines

04/22/25

4:50pm
ICN
3h 52m
SFO
DEN
United Airlines Logo
United Airlines

04/30/25

3:55pm
ONT
36h 25m
SFO
$516
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

04/08/25

11:30am
ICN
3h 47m
SFO
DEN
United Airlines Logo
United Airlines

04/12/25

10:55pm
ONT
40h 5m
SFO
$516
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

04/04/25

11:30am
ICN
9h 12m
SFO
DEN
United Airlines Logo
United Airlines

04/24/25

8:25pm
ONT
31h 55m
SFO
$516
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

04/21/25

4:50pm
ICN
3h 31m
SFO
United Airlines Logo
United Airlines

05/01/25

3:14pm
ONT
37h 6m
SFO
$758
Free cancellation within 83 hours of booking
Alaska Airlines Logo
Alaska Airlines

04/25/25

9:25pm
ICN
25m
HNL
Alaska Airlines Logo
Alaska Airlines

05/01/25

7:45am
ONT
35h 15m
HNL
$861
Free cancellation within 83 hours of booking
Alaska Airlines Logo
Alaska Airlines

04/18/25

9:25pm
ICN
25m
HNL
Alaska Airlines Logo
Alaska Airlines

04/25/25

7:45am
ONT
35h 15m
HNL
$861
Free cancellation within 83 hours of booking
Alaska Airlines Logo
Alaska Airlines

03/31/25

9:25pm
ICN
HNL
Alaska Airlines Logo
Alaska Airlines

04/25/25

5:45pm
ONT
49h 15m
HNL
$865
Free cancellation within 83 hours of booking
Hawaiian Airlines Logo
Hawaiian Airlines

04/25/25

9:25pm
ICN
25m
HNL
Hawaiian Airlines Logo
Hawaiian Airlines

05/06/25

7:45am
ONT
35h 15m
HNL
$888
Free cancellation within 83 hours of booking
Hawaiian Airlines Logo
Hawaiian Airlines

04/18/25

9:25pm
ICN
25m
HNL
Hawaiian Airlines Logo
Hawaiian Airlines

04/22/25

7:45am
ONT
35h 15m
HNL
$888
Free cancellation within 83 hours of booking
Hawaiian Airlines Logo
Hawaiian Airlines

03/31/25

9:25pm
ICN
HNL
Hawaiian Airlines Logo
Hawaiian Airlines

04/25/25

5:45pm
ONT
49h 15m
HNL
$893
Free cancellation within 83 hours of booking
China Airlines Logo
China Airlines

04/15/25

8:35pm
ICN
21h 25m
TPE
China Airlines Logo
China Airlines

04/21/25

12:10am
ONT
43h 25m
TPE
$899
Free cancellation within 83 hours of booking
China Airlines Logo
China Airlines

04/09/25

8:35pm
ICN
21h 25m
TPE
China Airlines Logo
China Airlines

04/24/25

12:10am
ONT
43h 25m
TPE
$899
Free cancellation within 83 hours of booking
China Airlines Logo
China Airlines

04/17/25

8:35pm
ICN
21h 25m
TPE
China Airlines Logo
China Airlines

04/20/25

12:10am
ONT
43h 25m
TPE
$899
Free cancellation within 83 hours of booking
Delta Air Lines Logo
Delta Air Lines

04/22/25

7:20pm
ICN
4h 21m
SEA
SLC
Delta Air Lines Logo
Delta Air Lines

04/29/25

8:40am
ONT
32h 40m
SFO
$916
Free cancellation within 83 hours of booking
Delta Air Lines Logo
Delta Air Lines

04/18/25

7:20pm
ICN
4h 21m
SEA
SLC
Delta Air Lines Logo
Delta Air Lines

04/25/25

6:30am
ONT
34h 50m
SFO
$916
Free cancellation within 83 hours of booking
Delta Air Lines Logo
Delta Air Lines

04/24/25

7:20pm
ICN
4h 21m
SEA
SLC
Delta Air Lines Logo
Delta Air Lines

05/01/25

8:40am
ONT
32h 40m
SFO
$916
Free cancellation within 83 hours of booking
Asiana Logo
Asiana

04/15/25

6:20pm
ICN
3m
SEA
Asiana Logo
Asiana

04/18/25

6:55am
ONT
35h
PDX
SEA
$1095
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

04/23/25

6:30pm
ICN
20h 20m
NRT
SFO
United Airlines Logo
United Airlines

04/27/25

6:39pm
ONT
33h 41m
SFO
$1105
Free cancellation within 83 hours of booking
Korean Air Logo
Korean Air

04/24/25

4:40pm
ICN
6h 3m
SEA
Korean Air Logo
Korean Air

04/30/25

7:00am
ONT
33h 30m
SEA
$1107
Free cancellation within 83 hours of booking
Korean Air Logo
Korean Air

04/17/25

4:40pm
ICN
4m
SEA
Korean Air Logo
Korean Air

04/24/25

6:30am
ONT
34h 50m
SFO
$1154
Free cancellation within 83 hours of booking
Asiana Logo
Asiana

04/14/25

8:55pm
ICN
3h 4m
SFO
SEA
Asiana Logo
Asiana

04/18/25

6:00am
ONT
35h 55m
SEA
$1249
Free cancellation within 83 hours of booking
Asiana Logo
Asiana

04/14/25

8:55pm
ICN
3h 4m
SFO
SEA
Asiana Logo
Asiana

04/18/25

6:55am
ONT
35h
PDX
SEA
$1310
Free cancellation within 83 hours of booking
Xiamen Airlines Logo
Xiamen Airlines

04/09/25

9:25pm
ICN
25m
HNL
Xiamen Airlines Logo
Xiamen Airlines

04/13/25

11:55pm
ONT
36h 35m
XMN
$1435
Free cancellation within 83 hours of booking
Xiamen Airlines Logo
Xiamen Airlines

04/25/25

9:25pm
ICN
25m
HNL
Xiamen Airlines Logo
Xiamen Airlines

05/04/25

11:55pm
ONT
36h 35m
XMN
$1735
Free cancellation within 83 hours of booking
American Airlines Logo
American Airlines

04/15/25

5:25pm
ICN
4h 33m
DFW
PHX
American Airlines Logo
American Airlines

04/18/25

11:59pm
ONT
39h 31m
DFW
$1864
Free cancellation within 83 hours of booking
American Airlines Logo
American Airlines

04/15/25

5:25pm
ICN
4h 33m
DFW
PHX
American Airlines Logo
American Airlines

04/18/25

7:25pm
ONT
44h 5m
PHX
DFW
$1864
Free cancellation within 83 hours of booking
Hahn Air Logo
Hahn Air

04/20/25

9:25pm
ICN
25m
HNL
Hahn Air Logo
Hahn Air

04/20/25

11:15pm
ONT
38h 15m
TFU
$1893
Free cancellation within 83 hours of booking
Qatar Airways Logo
Qatar Airways

04/11/25

1:20am
ICN
22h 39m
DOH
SEA
Qatar Airways Logo
Qatar Airways

04/13/25

2:44pm
ONT
74h 21m
DFW
DOH
$2393
Free cancellation within 83 hours of booking
Qatar Airways Logo
Qatar Airways

04/03/25

1:20am
ICN
17h 3m
DOH
SEA
Qatar Airways Logo
Qatar Airways

04/25/25

7:44pm
ONT
69h 21m
SFO
DOH
$2397
Free cancellation within 83 hours of booking
Qatar Airways Logo
Qatar Airways

04/10/25

1:20am
ICN
22h 39m
DOH
SEA
Qatar Airways Logo
Qatar Airways

04/20/25

2:44pm
ONT
74h 21m
DFW
DOH
$2476
Free cancellation within 83 hours of booking

Top Deals on flights from Seoul Incheon Airport to Ontario International Airport

Seoul, KR (SEL) - Los Angeles, US (LAX)

United Airlines Logo
United Airlines

Apr 7

4:50pm
ICN
3h 52m
SFO
DEN

as low as

$420

Seoul, KR (SEL) - Los Angeles, US (LAX)

United Airlines Logo
United Airlines

May 27

11:30am
ICN
6h 9m
SFO

as low as

$537

Seoul, KR (SEL) - Los Angeles, US (LAX)

China Airlines Logo
China Airlines

May 27

8:35pm
ICN
21h 25m
TPE

as low as

$562

Seoul, KR (SEL) - Los Angeles, US (LAX)

Alaska Airlines Logo
Alaska Airlines

Apr 18

9:25pm
ICN
25m
HNL

as low as

$578

Seoul, KR (SEL) - Los Angeles, US (LAX)

Hawaiian Airlines Logo
Hawaiian Airlines

Apr 18

9:25pm
ICN
25m
HNL

as low as

$592

Seoul, KR (SEL) - Los Angeles, US (LAX)

Hawaiian Airlines Logo
Hawaiian Airlines

May 14

9:00am
ICN
11h 29m
NRT
SEA

as low as

$674

Seoul, KR (SEL) - Los Angeles, US (LAX)

Delta Air Lines Logo
Delta Air Lines

May 1

7:20pm
ICN
4h 21m
SEA
SLC

as low as

$743

Seoul, KR (SEL) - Los Angeles, US (LAX)

Japan Airlines Logo
Japan Airlines

Jun 10

1:00pm
ICN
2h 50m
NRT
SEA

as low as

$744

Seoul, KR (SEL) - Los Angeles, US (LAX)

EVA Air Logo
EVA Air

Jun 14

12:00pm
ICN
23h 5m
TPE
SEA

as low as

$766

Seoul, KR (SEL) - Los Angeles, US (LAX)

WestJet Logo
WestJet

Jun 16

10:40pm
ICN
18h 25m
YVR
SEA

as low as

$874

Seoul, KR (SEL) - Los Angeles, US (LAX)

Asiana Logo
Asiana

Jun 27

6:20pm
ICN
5h 53m
SEA

as low as

$900

Seoul, KR (SEL) - Los Angeles, US (LAX)

Asiana Logo
Asiana

May 30

8:55pm
ICN
3h 2m
SFO
PDX

as low as

$913
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