$53+ Cheap flights from California to Washington
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Apr 21 — Apr 281
Round-trip
1 adult, Economy
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Cheapest flights from California to WashingtonExplore the most affordable flight options available from California to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.
Explore the most affordable flight options available from California to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:58 pm
LAS
- SEA
Nonstop2h 58m
Frontier
Mon 4/2710:11 pm
SEA
- LAS
Nonstop2h 33m
Frontier
Deal found 3/21![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 3/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:53 pm
LAS
- SEA
Nonstop2h 58m
Frontier
Mon 4/2710:11 pm
SEA
- LAS
Nonstop2h 33m
Frontier
Deal found 3/20![Frontier logo]()
$72
This Trip.com deal was found by Cheapflights users on 3/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:30 am
LAS
- SEA
Nonstop2h 52m
Frontier
Sun 5/1011:37 am
SEA
- LAS
Nonstop2h 43m
Frontier
Deal found 3/20![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:53 pm
LAS
- SEA
Nonstop2h 58m
Frontier
Mon 5/1111:37 am
SEA
- LAS
Nonstop2h 43m
Frontier
Deal found 3/21![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:30 am
LAS
- SEA
Nonstop2h 52m
Frontier
Sun 5/1011:37 am
SEA
- LAS
Nonstop2h 43m
Frontier
Deal found 3/17![Frontier logo]()
$81
This Booking.com deal was found by Cheapflights users on 3/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:30 am
LAS
- SEA
Nonstop2h 52m
Frontier
Sun 5/1011:37 am
SEA
- LAS
Nonstop2h 43m
Frontier
Deal found 3/19![Frontier logo]()
$82
This eDestinos deal was found by Cheapflights users on 3/18. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:30 am
LAS
- SEA
Nonstop2h 52m
Frontier
Sun 5/1711:37 am
SEA
- LAS
Nonstop2h 43m
Frontier
Deal found 3/18![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Sat 5/911:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 3/20![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 3/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:58 pm
LAS
- SEA
Nonstop2h 58m
Frontier
Sun 4/269:54 pm
SEA
- LAS
Nonstop2h 40m
Frontier
Deal found 3/20![Frontier logo]()
$87
This CheapOair deal was found by Cheapflights users on 3/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Sat 5/911:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 3/18![Frontier logo]()
$87
This Frontier deal was found by Cheapflights users on 3/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:30 am
LAS
- SEA
Nonstop2h 52m
Frontier
Mon 5/1811:37 am
SEA
- LAS
Nonstop2h 43m
Frontier
Deal found 3/21![Frontier logo]()
$88
This Booking.com deal was found by Cheapflights users on 3/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Thu 5/711:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 3/19![Frontier logo]()
$88
Best flights from California to WashingtonDiscover carefully curated flight deals from California to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 22, 2026.
Discover carefully curated flight deals from California to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 22, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:00 am
LAS
- SEA
Nonstop2h 49m
Alaska Airlines
Tue 5/195:55 pm
SEA
- LAS
Nonstop2h 40m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$137
This Delta deal was found by Cheapflights users on 3/18. 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 5/83:45 pm
SAN
- SEA
Nonstop3h 16m
Delta
Sun 5/177:15 am
SEA
- SAN
Nonstop2h 50m
Delta
Deal found 3/18![Delta logo]()
$139
This Southwest deal was found by Cheapflights users on 3/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:55 pm
SAN
- SEA
1 stop7h 00m
Southwest
Tue 4/2812:10 pm
SEA
- SAN
Nonstop2h 55m
Southwest
Deal found 3/17![Southwest logo]()
$149
This United Airlines deal was found by Cheapflights users on 3/19. 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 6/1010:52 pm
SFO
- PDX
Nonstop1h 58m
United Airlines
Mon 6/225:15 am
PDX
- SFO
Nonstop1h 46m
United Airlines
Deal found 3/19![United Airlines logo]()
$182
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:45 am
ONT
- SEA
Nonstop3h 04m
Delta
Sun 5/108:25 am
SEA
- ONT
Nonstop2h 47m
Delta
Deal found 3/17![Delta logo]()
$139
This Southwest deal was found by Cheapflights users on 3/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:45 pm
LAS
- SEA
2 stops9h 10m
Southwest
Sun 5/36:30 am
SEA
- LAS
Nonstop2h 25m
Southwest
Deal found 3/17![Southwest logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:28 pm
SFO
- PAE
Nonstop2h 13m
Alaska Airlines
Wed 5/67:20 am
PAE
- SFO
Nonstop2h 09m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:43 pm
SFO
- SEA
1 stop5h 47m
Delta
Sat 5/165:30 pm
SEA
- SFO
Nonstop2h 17m
Delta
Deal found 3/17![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:05 am
LAS
- SEA
Nonstop2h 50m
Southwest
Sun 4/195:00 am
SEA
- LAS
1 stop3h 55m
Southwest
Deal found 3/18![Southwest logo]()
$157
This Delta deal was found by Cheapflights users on 3/18. 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 4/252:57 pm
SFO
- SEA
Nonstop2h 19m
Delta
Tue 4/284:36 pm
SEA
- SFO
1 stop7h 23m
Delta
Deal found 3/18![Delta logo]()
$147
This Southwest deal was found by Cheapflights users on 3/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:05 am
SFO
- SEA
1 stop7h 55m
Southwest
Fri 5/16:30 am
SEA
- SFO
1 stop6h 55m
Southwest
Deal found 3/17![Southwest logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:00 am
LAX
- SEA
Nonstop3h 02m
Alaska Airlines
Tue 4/215:59 pm
SEA
- LAX
Nonstop2h 49m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 3/19. 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 5/71:05 pm
SFO
- PDX
Nonstop1h 58m
United Airlines
Sun 5/105:30 am
PDX
- SFO
Nonstop1h 49m
United Airlines
Deal found 3/19![United Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 3/19. 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 4/165:59 am
SFO
- SEA
Nonstop2h 20m
Delta
Sat 4/1811:10 am
SEA
- SFO
1 stop4h 55m
Delta
Deal found 3/19![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 3/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:25 pm
ONT
- SEA
1 stop6h 05m
Southwest
Mon 4/2011:40 am
SEA
- ONT
1 stop5h 10m
Southwest
Deal found 3/17![Southwest logo]()
$159
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:00 am
ONT
- SEA
Nonstop2h 54m
Alaska Airlines
Tue 4/287:05 am
SEA
- ONT
Nonstop2h 40m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$178
This United Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 4/2812:25 pm
SFO
- SEA
Nonstop2h 21m
United Airlines
Sat 5/27:08 am
SEA
- SFO
Nonstop2h 18m
United Airlines
Deal found 3/17![United Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 3/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:30 pm
SNA
- SEA
1 stop6h 30m
Southwest
Sun 5/1710:15 pm
SEA
- SNA
1 stop9h 40m
Southwest
Deal found 3/17![Southwest logo]()
$164
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:37 pm
SAN
- SEA
Nonstop3h 07m
Delta
Fri 5/157:35 pm
SEA
- SAN
Nonstop2h 51m
Delta
Deal found 3/17![Delta logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:45 pm
LAS
- SEA
Nonstop2h 53m
Alaska Airlines
Sat 5/28:10 pm
SEA
- LAS
Nonstop2h 43m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 3/19. 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 5/161:35 pm
SAN
- SEA
1 stop4h 57m
United Airlines
Mon 5/186:37 pm
SEA
- SAN
1 stop5h 22m
United Airlines
Deal found 3/19![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:10 am
LAS
- SEA
2 stops7h 20m
Southwest
Sat 5/96:40 am
SEA
- LAS
2 stops8h 45m
Southwest
Deal found 3/18![Southwest logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:00 am
ONT
- SEA
Nonstop2h 54m
Alaska Airlines
Wed 4/159:24 pm
SEA
- ONT
Nonstop2h 35m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 3/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:10 am
LAS
- SEA
2 stops7h 20m
Southwest
Sun 5/106:50 am
SEA
- LAS
2 stops7h 10m
Southwest
Deal found 3/19![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:15 pm
SFO
- SEA
1 stop4h 44m
Delta
Sun 4/267:00 am
SEA
- SFO
Nonstop2h 22m
Delta
Deal found 3/17![Delta logo]()
$187
This United Airlines deal was found by Cheapflights users on 3/18. 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 5/58:05 pm
LAX
- PDX
1 stop4h 28m
United Airlines
Thu 5/73:59 pm
PDX
- LAX
1 stop6h 59m
United Airlines
Deal found 3/18![United Airlines logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:35 pm
LAX
- PDX
Nonstop2h 24m
Alaska Airlines
Tue 8/112:39 pm
PDX
- LAX
Nonstop2h 30m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$199
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Mon 5/43:40 pm
LAX
- PDX
1 stop5h 18m
United Airlines
Tue 5/55:30 am
PDX
- LAX
1 stop4h 22m
United Airlines
Deal found 3/21![United Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:55 am
SFO
- SEA
Nonstop2h 22m
Delta
Fri 11/69:25 pm
SEA
- SFO
Nonstop2h 16m
Delta
Deal found 3/17![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 3/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:55 pm
LAS
- SEA
Nonstop2h 45m
Southwest
Sun 5/106:50 am
SEA
- LAS
2 stops7h 10m
Southwest
Deal found 3/21![Southwest logo]()
$192
Last-minute flights from California to WashingtonDiscover last-minute flight deals from California to Washington. Data last updated March 22, 2026 and is based on user searches.
Discover last-minute flight deals from California to Washington. Data last updated March 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:39 pm
LAX
- SEA
Nonstop3h 05m
Frontier
Thu 4/3010:57 am
SEA
- LAX
Nonstop2h 48m
Frontier
Deal found 3/17![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 3/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:53 pm
LAS
- SEA
Nonstop2h 58m
Frontier
Mon 4/2710:11 pm
SEA
- LAS
Nonstop2h 33m
Frontier
Deal found 3/20![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:53 pm
LAS
- SEA
Nonstop2h 58m
Frontier
Mon 5/1111:37 am
SEA
- LAS
Nonstop2h 43m
Frontier
Deal found 3/21![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 3/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:53 pm
LAS
- SEA
Nonstop2h 58m
Frontier
Sun 4/269:54 pm
SEA
- LAS
Nonstop2h 40m
Frontier
Deal found 3/18![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:53 pm
LAS
- SEA
Nonstop2h 58m
Frontier
Sat 5/911:37 am
SEA
- LAS
Nonstop2h 43m
Frontier
Deal found 3/21![Frontier logo]()
$96
This SmartFares deal was found by Cheapflights users on 3/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:10 pm
SFO
- SEA
Nonstop2h 19m
Alaska Airlines
Mon 4/279:24 pm
SEA
- SFO
Nonstop2h 20m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$130
This Trip.com deal was found by Cheapflights users on 3/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:26 pm
ONT
- SEA
Nonstop2h 51m
Alaska Airlines
Mon 4/277:05 am
SEA
- ONT
Nonstop2h 40m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:58 pm
LAS
- SEA
Nonstop2h 58m
Frontier
Mon 4/2710:11 pm
SEA
- LAS
Nonstop2h 33m
Frontier
Deal found 3/21![Frontier logo]()
$71
This Super.com deal was found by Cheapflights users on 3/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:58 pm
LAS
- SEA
Nonstop2h 58m
Frontier
Sun 4/269:54 pm
SEA
- LAS
Nonstop2h 40m
Frontier
Deal found 3/20![Frontier logo]()
$87
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/282:00 pm
SFO
- SEA
Nonstop2h 17m
Alaska Airlines
Thu 4/307:10 am
SEA
- SFO
Nonstop2h 17m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:00 am
LAS
- SEA
Nonstop2h 53m
Multiple Airlines
Mon 5/49:19 pm
SEA
- LAS
Nonstop2h 40m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$104
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:53 am
ONT
- SEA
Nonstop3h 04m
Delta
Mon 5/118:25 am
SEA
- ONT
Nonstop2h 47m
Delta
Deal found 3/17![Delta logo]()
$139
One-way flights from California to WashingtonSearch for one-way flight options from California to Washington. Find affordable one-way fares based on user searches. Data last updated March 22, 2026.
Search for one-way flight options from California to Washington. Find affordable one-way fares based on user searches. Data last updated March 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Deal found 3/20![Frontier logo]()
$53
This Super.com deal was found by Cheapflights users on 3/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:45 pm
LAX
- SEA
Nonstop2h 57m
Frontier
Deal found 3/20![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/162:24 pm
LAX
- SEA
Nonstop3h 13m
Frontier
Deal found 3/20![Frontier logo]()
$62
This Super.com deal was found by Cheapflights users on 3/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:45 pm
LAX
- SEA
Nonstop2h 57m
Frontier
Deal found 3/20![Frontier logo]()
$63
This WAYA deal was found by Cheapflights users on 3/17. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:15 am
LAS
- SEA
1 stop5h 29m
Frontier
Deal found 3/17![Frontier logo]()
$64
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:55 pm
LAX
- SEA
Nonstop2h 57m
Frontier
Deal found 3/17![Frontier logo]()
$64
This Super.com deal was found by Cheapflights users on 3/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:53 pm
LAS
- SEA
Nonstop2h 58m
Frontier
Deal found 3/17![Frontier logo]()
$65
This Mytrip deal was found by Cheapflights users on 3/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:55 pm
LAX
- SEA
Nonstop2h 57m
Frontier
Deal found 3/20![Frontier logo]()
$65
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:30 am
LAS
- SEA
Nonstop2h 52m
Frontier
Deal found 3/17![Frontier logo]()
$66
This Super.com deal was found by Cheapflights users on 3/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:58 pm
LAS
- SEA
Nonstop2h 58m
Frontier
Deal found 3/19![Frontier logo]()
$68
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:53 am
SFO
- PAE
Nonstop2h 14m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$69
This Delta deal was found by Cheapflights users on 3/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:02 am
LAS
- SEA
Nonstop2h 43m
Delta
Deal found 3/17![Delta logo]()
$69
Find flight deals from California to Washington
Keep the following information in mind while searching for California to Washington flight deals. Data was last updated March 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $71 (Kiwi.com) |
One-way from | $53 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $191 |
Good round-trip deal | $104 or less |
Good one-way deal | $52 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from California to Washington 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 2,558,603 searches. Data last updated March 22, 2026.
Use the filters below to find and compare flights from California to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Fri 5/15
6:00 am-8:49 am
Nonstop2h 49m
Seattle/Tacoma Intl
Tue 5/19
5:55 pm-8:35 pm
Nonstop2h 40m
$137
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Fri 5/8
3:45 pm-7:01 pm
Nonstop3h 16m
Seattle/Tacoma Intl
Sun 5/17
7:15 am-10:05 am
Nonstop2h 50m
$139
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Sat 5/9
6:45 am-9:49 am
Nonstop3h 04m
Seattle/Tacoma Intl
Sun 5/10
8:25 am-11:12 am
Nonstop2h 47m
$139
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Wed 5/13
2:43 pm-8:30 pm
1 stop5h 47m
Seattle/Tacoma Intl
Sat 5/16
5:30 pm-7:47 pm
Nonstop2h 17m
$147
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sat 4/25
2:57 pm-5:16 pm
Nonstop2h 19m
Seattle/Tacoma Intl
Tue 4/28
4:36 pm-11:59 pm
1 stop7h 23m
$147
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Fri 4/24
5:55 pm-12:55 am
1 stop7h 00m
Seattle/Tacoma Intl
Tue 4/28
12:10 pm-3:05 pm
Nonstop2h 55m
$149
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Fri 5/1
3:45 pm-12:55 am
2 stops9h 10m
Seattle/Tacoma Intl
Sun 5/3
6:30 am-8:55 am
Nonstop2h 25m
$152
San FranciscoEverett
SFO - PAE
SFOPAE
San Francisco
Tue 5/5
1:28 pm-3:41 pm
Nonstop2h 13m
Everett Paine Field
Wed 5/6
7:20 am-9:29 am
Nonstop2h 09m
$157
Las VegasSeattle
LAS - SEA
LASSEA
Las Vegas Harry Reid Intl
Wed 4/15
8:05 am-10:55 am
Nonstop2h 50m
Seattle/Tacoma Intl
Sun 4/19
5:00 am-8:55 am
1 stop3h 55m
$157
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Wed 4/29
10:05 am-6:00 pm
1 stop7h 55m
Seattle/Tacoma Intl
Fri 5/1
6:30 am-1:25 pm
1 stop6h 55m
$157
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from California to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from California with our price prediction graph.
LAS-SEA
SAN-SEA
SFO-PDX
ONT-SEA
SFO-PAE
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.
Cheapflights Insights
Everything you need to know about your flight from California to Washington
USCA-USWA
LAS-SEA
SAN-SEA
SFO-PDX
ONT-SEA
What is the cheapest month to book a flight from California to State of Washington?
Currently, June is the cheapest month in which you can book a flight from California to State of Washington (average of $39). Flying from California to State of Washington in November is currently the most expensive (average of $94). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CA to WA?
Find hourly flight availability from California to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 22, 2026.
A simple way to save on the total cost of your ticket is to fly from California to State of Washington in the morning. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight at noon.
What is the cheapest day to fly from California to State of Washington?
Use this chart to determine the cheapest time to fly round-trip from California to Washington. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their California to State of Washington flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from California to State of Washington
Explore weekly flight availability from California to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 22, 2026.
The most flights from USCA to USWA are scheduled on a Friday (103 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (70 on average).
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated March 22, 2026.
Read through reviews of airlines operating flights from California to Washington, such as Alaska Airlines,Delta, andHawaiian Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Related info for your journey
Find useful and relevant information for your journey from California to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for California to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from California to Washington by cabin class
Find flights from California to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
California and Washington flights
Browse other California and Washington flight options. Last updated on March 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Washington
Find the right flight back to California after your stay in Washington
California to Washington flights
Consider these flights traveling from California to Washington.
Top 10 airlines flying from California to Washington
Discover the top 10 airlines that operate flights from California to Washington. 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 2,558,603 searches. Data last updated March 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$36 | Average$159 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$44 | Average$211 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$59 | Average$189 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$64 | Average$98 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$78 | Average$301 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$88 | Average$273 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$99 | Average$371 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$115 | Average$302 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$323 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$148 | Average$309 | FlexibilityNo cancel fee | On-time62% |