$59+ Cheap flights from San Diego (SAN) 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Cheapest flights from San Diego to WashingtonExplore the most affordable flight options available from San Diego to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
Explore the most affordable flight options available from San Diego to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
This Southwest deal was found by Cheapflights users on 8/22. 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 9/1911:15 am -
Nonstop2h 45m
Sat 9/262:15 pm -
Nonstop2h 40m
Deal found 8/22![Southwest logo]()
$117
This Mytrip deal was found by Cheapflights users on 8/22. 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.
Thu 10/157:59 pm -
Nonstop2h 51m
Tue 10/207:19 am -
Nonstop2h 52m
Deal found 8/22![Alaska Airlines logo]()
$121
This Southwest deal was found by Cheapflights users on 8/22. 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 9/197:50 am -
1 stop5h 10m
Sat 10/310:45 am -
Nonstop2h 45m
Deal found 8/22![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 8/21. 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.
Fri 9/252:15 pm -
Nonstop2h 40m
Mon 9/2812:20 pm -
Nonstop2h 40m
Deal found 8/21![Southwest logo]()
$134
This Delta deal was found by Cheapflights users on 8/22. 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 10/281:53 pm -
1 stop4h 52m
Tue 11/37:05 am -
1 stop5h 53m
Deal found 8/22![Delta logo]()
$137
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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 10/287:59 pm -
Nonstop2h 51m
Sun 11/17:03 am -
Nonstop2h 50m
Deal found 8/22![Alaska Airlines logo]()
$145
This Southwest deal was found by Cheapflights users on 8/22. 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 10/293:20 pm -
2 stops8h 00m
Mon 11/25:50 pm -
2 stops6h 00m
Deal found 8/22![Southwest logo]()
$147
This Expedia deal was found by Cheapflights users on 8/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:02 pm -
Nonstop2h 35m
Mon 9/2812:39 pm -
1 stop7h 38m
Deal found 8/22![Multiple Airlines logo]()
$148
This Southwest deal was found by Cheapflights users on 8/21. 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.
Mon 9/142:40 pm -
1 stop3h 45m
Fri 9/1812:40 pm -
1 stop5h 50m
Deal found 8/21![Southwest logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:37 pm -
Nonstop2h 38m
Sat 12/122:49 pm -
Nonstop2h 35m
Deal found 8/21![Alaska Airlines logo]()
$150
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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 9/182:17 pm -
Nonstop2h 36m
Fri 9/253:03 pm -
Nonstop2h 33m
Deal found 8/22![Alaska Airlines logo]()
$151
This Southwest deal was found by Cheapflights users on 8/18. 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 9/192:50 pm -
2 stops5h 10m
Thu 9/248:00 am -
Nonstop2h 25m
Deal found 8/18![Southwest logo]()
$152
Best flights from San Diego to WashingtonDiscover carefully curated flight deals from San Diego to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from San Diego to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This Southwest deal was found by Cheapflights users on 8/18. 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.
Thu 10/155:00 pm -
Nonstop2h 35m
Sat 10/177:00 am -
2 stops5h 15m
Deal found 8/18![Southwest logo]()
$152
This Delta deal was found by Cheapflights users on 8/22. 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.
Mon 9/146:15 am -
1 stop6h 37m
Fri 9/181:49 pm -
1 stop5h 24m
Deal found 8/22![Delta logo]()
$154
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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.
Fri 10/306:15 am -
Nonstop3h 13m
Sat 10/3110:20 am -
Nonstop3h 03m
Deal found 8/20![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 8/22. 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 10/95:00 pm -
Nonstop2h 35m
Mon 10/1212:10 pm -
1 stop4h 55m
Deal found 8/22![Southwest logo]()
$154
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:39 am -
1 stop5h 32m
Thu 11/125:38 pm -
1 stop5h 19m
Deal found 8/20![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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.
Sat 10/316:15 am -
Nonstop3h 13m
Tue 11/311:43 am -
Nonstop3h 04m
Deal found 8/20![Alaska Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:30 am -
1 stop4h 44m
Tue 11/35:10 am -
2 stops12h 07m
Deal found 8/20![United Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:38 pm -
1 stop6h 24m
Tue 9/295:30 am -
1 stop4h 39m
Deal found 8/20![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 10/297:27 pm -
Nonstop3h 06m
Mon 11/28:48 pm -
Nonstop2h 49m
Deal found 8/19![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:15 am -
Nonstop2h 45m
Sat 9/262:15 pm -
Nonstop2h 40m
Deal found 8/20![Southwest logo]()
$157
This Delta deal was found by Cheapflights users on 8/19. 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.
Tue 9/297:11 pm -
1 stop4h 29m
Wed 9/303:21 pm -
1 stop7h 12m
Deal found 8/19![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 9/246:12 pm -
Nonstop2h 37m
Tue 9/299:13 am -
Nonstop2h 36m
Deal found 8/18![Alaska Airlines logo]()
$161
This Southwest deal was found by Cheapflights users on 8/18. 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 10/245:15 pm -
1 stop4h 55m
Mon 10/266:00 am -
2 stops6h 35m
Deal found 8/18![Southwest logo]()
$162
This Delta deal was found by Cheapflights users on 8/19. 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.
Sat 10/317:45 am -
Nonstop3h 13m
Tue 11/39:59 am -
Nonstop2h 59m
Deal found 8/19![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 8/17. 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.
Tue 12/87:20 am -
Nonstop3h 05m
Wed 12/95:40 am -
1 stop7h 20m
Deal found 8/17![Southwest logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:55 am -
1 stop6h 38m
Sat 10/3110:20 am -
Nonstop3h 03m
Deal found 8/21![Alaska Airlines logo]()
$170
This Delta deal was found by Cheapflights users on 8/22. 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 10/83:59 pm -
Nonstop3h 06m
Sun 10/117:15 am -
Nonstop2h 52m
Deal found 8/22![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 8/19. 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.
Fri 10/28:00 pm -
1 stop5h 20m
Sun 10/46:45 am -
Nonstop2h 50m
Deal found 8/19![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:59 pm -
Nonstop3h 06m
Tue 10/207:59 pm -
Nonstop2h 52m
Deal found 8/20![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 11/57:10 am -
1 stop9h 24m
Thu 11/129:03 am -
Nonstop2h 29m
Deal found 8/19![Alaska Airlines logo]()
$180
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:30 am -
Nonstop2h 50m
Tue 10/2010:50 am -
1 stop5h 15m
Deal found 8/20![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 8/19. 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.
Sat 10/107:45 am -
Nonstop3h 13m
Mon 10/123:18 pm -
Nonstop2h 44m
Deal found 8/19![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:55 pm -
Nonstop3h 05m
Wed 10/145:50 am -
2 stops5h 45m
Deal found 8/20![Southwest logo]()
$172
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 11/148:02 am -
2 stops10h 09m
Mon 11/167:03 am -
Nonstop2h 50m
Deal found 8/18![Alaska Airlines logo]()
$190
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:20 pm -
1 stop5h 10m
Tue 11/38:33 am -
Nonstop2h 48m
Deal found 8/21![Alaska Airlines logo]()
$192
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am -
1 stop5h 20m
Sat 9/195:14 pm -
1 stop5h 14m
Deal found 8/20![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 8/17. 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 9/167:05 am -
2 stops8h 00m
Sat 9/193:15 pm -
1 stop4h 20m
Deal found 8/17![Southwest logo]()
$182
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:59 pm -
1 stop7h 51m
Tue 11/35:10 am -
1 stop7h 48m
Deal found 8/20![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 8/17. 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 9/163:25 pm -
2 stops6h 20m
Wed 9/236:15 am -
1 stop4h 20m
Deal found 8/17![Southwest logo]()
$182
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:04 am -
1 stop6h 05m
Sun 10/411:10 am -
1 stop6h 49m
Deal found 8/21![Delta logo]()
$185
Last-minute flights from San Diego to WashingtonDiscover last-minute flight deals from San Diego to Washington. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Washington. Data last updated August 22, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 8/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:12 pm -
Nonstop2h 37m
Mon 9/145:38 pm -
Nonstop2h 43m
Deal found 8/18![Alaska Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Sat 9/125:54 pm -
1 stop17h 42m
Tue 9/155:38 pm -
Nonstop2h 43m
Deal found 8/17![Multiple Airlines logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Sat 9/125:54 pm -
1 stop17h 42m
Thu 9/1710:33 am -
Nonstop2h 43m
Deal found 8/17![Multiple Airlines logo]()
$151
This Southwest deal was found by Cheapflights users on 8/21. 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.
Mon 9/142:40 pm -
1 stop3h 45m
Fri 9/1812:40 pm -
1 stop5h 50m
Deal found 8/21![Southwest logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:02 pm -
Nonstop2h 35m
Mon 9/2110:33 am -
Nonstop2h 43m
Deal found 8/21![Alaska Airlines logo]()
$153
This Southwest deal was found by Cheapflights users on 8/17. 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.
Tue 9/154:10 pm -
2 stops5h 10m
Tue 9/228:00 am -
Nonstop2h 25m
Deal found 8/17![Southwest logo]()
$152
This Faresmojo deal was found by Cheapflights users on 8/17. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:15 am -
1 stop5h 51m
Wed 9/233:59 pm -
1 stop6h 34m
Deal found 8/17![JetBlue logo]()
$153
This Southwest deal was found by Cheapflights users on 8/22. 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 9/1911:15 am -
Nonstop2h 45m
Sat 9/262:15 pm -
Nonstop2h 40m
Deal found 8/22![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 8/22. 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 9/197:50 am -
1 stop5h 10m
Sat 10/310:45 am -
Nonstop2h 45m
Deal found 8/22![Southwest logo]()
$127
This Delta deal was found by Cheapflights users on 8/22. 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 9/1911:04 am -
1 stop8h 11m
Tue 9/227:05 am -
1 stop5h 37m
Deal found 8/22![Delta logo]()
$137
This Expedia deal was found by Cheapflights users on 8/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:02 pm -
Nonstop2h 35m
Mon 9/2812:39 pm -
1 stop7h 38m
Deal found 8/22![Multiple Airlines logo]()
$148
This Southwest deal was found by Cheapflights users on 8/21. 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.
Fri 9/252:15 pm -
Nonstop2h 40m
Mon 9/2812:20 pm -
Nonstop2h 40m
Deal found 8/21![Southwest logo]()
$134
One-way flights from San Diego to WashingtonSearch for one-way flight options from San Diego to Washington. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from San Diego to Washington. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Southwest deal was found by Cheapflights users on 8/22. 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 9/1211:15 am -
Nonstop2h 45m
Deal found 8/22![Southwest logo]()
$59
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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 10/217:59 pm -
Nonstop2h 51m
Deal found 8/22![Alaska Airlines logo]()
$61
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:53 pm -
1 stop7h 17m
Deal found 8/21![Delta logo]()
$69
This Southwest deal was found by Cheapflights users on 8/21. 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.
Wed 9/167:05 am -
2 stops8h 00m
Deal found 8/21![Southwest logo]()
$74
This Southwest deal was found by Cheapflights users on 8/18. 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 10/1710:30 am -
Nonstop2h 50m
Deal found 8/18![Southwest logo]()
$79
This Expedia deal was found by Cheapflights users on 8/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:04 am -
Nonstop2h 46m
Deal found 8/18![Alaska Airlines logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/165:54 pm -
1 stop19h 47m
Deal found 8/22![Multiple Airlines logo]()
$83
This Southwest deal was found by Cheapflights users on 8/17. 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.
Sat 9/122:50 pm -
2 stops5h 10m
Deal found 8/17![Southwest logo]()
$84
This Super.com deal was found by Cheapflights users on 8/19. 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 9/189:03 pm -
1 stop14h 33m
Deal found 8/19![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 8/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:59 pm -
Nonstop2h 50m
Deal found 8/18![Alaska Airlines logo]()
$85
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:00 pm -
1 stop4h 24m
Deal found 8/21![Delta logo]()
$86
This Southwest deal was found by Cheapflights users on 8/21. 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.
Fri 10/238:15 am -
1 stop5h 35m
Deal found 8/21![Southwest logo]()
$86
Find flight deals from San Diego to Washington
Keep the following information in mind while searching for San Diego to Washington flight deals. Data was last updated August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $127 (Southwest) |
One-way from | $59 (Southwest) |
Popular in | July |
Cheapest in | February |
Average price | $267 |
Good round-trip deal | $163 or less |
Good one-way deal | $117 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 7,457,451 searches. Data last updated August 22, 2026.
Use the filters below to find and compare flights from San Diego to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoPortland
SAN San Diego - PDX Portland
SANPDX
San Diego
Thu 10/15
5:00 pm-7:35 pm
Nonstop2h 35m
Portland
Sat 10/17
7:00 am-12:15 pm
2 stops5h 15m
$152
San DiegoPortland
SAN San Diego - PDX Portland
SANPDX
San Diego
Mon 9/14
6:15 am-12:52 pm
1 stop6h 37m
Portland
Fri 9/18
1:49 pm-7:13 pm
1 stop5h 24m
$154
San DiegoPortland
SAN San Diego - PDX Portland
SANPDX
San Diego
Fri 10/9
5:00 pm-7:35 pm
Nonstop2h 35m
Portland
Mon 10/12
12:10 pm-5:05 pm
1 stop4h 55m
$154
San DiegoSeattle
SAN San Diego - SEA Seattle/Tacoma Intl
SANSEA
San Diego
Fri 10/30
6:15 am-9:28 am
Nonstop3h 13m
Seattle/Tacoma Intl
Sat 10/31
10:20 am-1:23 pm
Nonstop3h 03m
$157
San DiegoPortland
SAN San Diego - PDX Portland
SANPDX
San Diego
Thu 11/5
6:39 am-12:11 pm
1 stop5h 32m
Portland
Thu 11/12
5:38 pm-10:57 pm
1 stop5h 19m
$157
San DiegoSeattle
SAN San Diego - SEA Seattle/Tacoma Intl
SANSEA
San Diego
Sat 10/31
6:15 am-9:28 am
Nonstop3h 13m
Seattle/Tacoma Intl
Tue 11/3
11:43 am-2:47 pm
Nonstop3h 04m
$157
San DiegoPortland
SAN San Diego - PDX Portland
SANPDX
San Diego
Thu 9/24
1:38 pm-8:02 pm
1 stop6h 24m
Portland
Tue 9/29
5:30 am-10:09 am
1 stop4h 39m
$157
San DiegoSeattle
SAN San Diego - SEA Seattle/Tacoma Intl
SANSEA
San Diego
Thu 10/29
7:27 pm-10:33 pm
Nonstop3h 06m
Seattle/Tacoma Intl
Mon 11/2
8:48 pm-11:37 pm
Nonstop2h 49m
$157
San DiegoSpokane
SAN San Diego - GEG Spokane
SANGEG
San Diego
Sat 9/19
11:15 am-2:00 pm
Nonstop2h 45m
Spokane
Sat 9/26
2:15 pm-4:55 pm
Nonstop2h 40m
$157
San DiegoPortland
SAN San Diego - PDX Portland
SANPDX
San Diego
Tue 9/29
7:11 pm-11:40 pm
1 stop4h 29m
Portland
Wed 9/30
3:21 pm-10:33 pm
1 stop7h 12m
$157
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Diego to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from San Diego with our price prediction graph.
SAN-PDX
SAN-SEA
SAN-PSC
SAN-GEG
SAN-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 San Diego to Washington
SAN-USWA
SAN-PDX
SAN-SEA
SAN-PSC
SAN-GEG
What is the cheapest month to book a flight from San Diego to State of Washington?
Currently, January is the cheapest month in which you can book a flight from San Diego to State of Washington (average of $212). Flying from San Diego to State of Washington in July is currently the most expensive (average of $324). 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 SAN to WA?
Find hourly flight availability from San Diego 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 August 22, 2026.
It’s optimal to fly from San Diego to State of Washington at noon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the morning.
Weekly flight availability from San Diego to State of Washington
Explore weekly flight availability from San Diego 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 August 22, 2026.
The most flights from SAN to USWA are scheduled on a Friday (52 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (16 on average).
How much does it cost to fly round-trip from San Diego to State of Washington?
Airfare is below average for this route at the moment.
San Diego to State of Washington flights typically cost between $192 and $332 in September.The cheapest round-trip price found within the last 5 days was $157 on Alaska Airlines (Sep 18-Sep 26).
How far ahead should I book a flight from San Diego to State of Washington?
The best time to book flights from San Diego to State of Washington is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from San Diego to State of Washington?
Use this chart to determine the cheapest time to fly round-trip from San Diego to Washington. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their San Diego to State of Washington flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 August 22, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from San Diego to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from San Diego 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 San Diego to Washington
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Complete your trip
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San Diego and Washington flights
Browse other San Diego and Washington flight options. Last updated on August 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Diego to Washington flights
Consider these flights traveling from San Diego to Washington.
Top 7 airlines flying from San Diego to Washington
Discover the top 7 airlines that operate flights from San Diego 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 7,457,451 searches. Data last updated August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$244 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$106 | Average$282 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$134 | Average$401 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$142 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$147 | Average$282 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$178 | Average$331 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$387 | Average$602 | FlexibilityNo cancel fee | On-time71% |