$50+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 13, 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 13, 2026.
This Southwest deal was found by Cheapflights users on 8/13. 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 9/511:15 am -
Nonstop2h 45m
Sun 9/67:55 am -
Nonstop2h 40m
Deal found 8/13![Southwest logo]()
$99
This Priceline deal was found by Cheapflights users on 8/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:59 pm -
Nonstop2h 50m
Sun 9/67:03 am -
Nonstop2h 51m
Deal found 8/12![Alaska Airlines logo]()
$100
This Southwest deal was found by Cheapflights users on 8/10. 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 8/10![Southwest logo]()
$116
This Expedia deal was found by Cheapflights users on 8/11. 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.
Wed 11/116:39 pm -
Nonstop2h 50m
Tue 11/177:03 am -
Nonstop2h 50m
Deal found 8/11![Alaska Airlines logo]()
$120
This Southwest deal was found by Cheapflights users on 8/12. 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 9/169:45 am -
1 stop5h 20m
Sat 9/192:15 pm -
Nonstop2h 40m
Deal found 8/12![Southwest logo]()
$126
This Expedia deal was found by Cheapflights users on 8/12. 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.
Fri 10/28:59 pm -
Nonstop2h 50m
Mon 10/57:19 am -
Nonstop2h 52m
Deal found 8/12![Alaska Airlines logo]()
$131
This Mytrip deal was found by Cheapflights users on 8/12. 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 9/148:59 pm -
Nonstop2h 54m
Sat 9/196:00 am -
Nonstop2h 59m
Deal found 8/12![Alaska Airlines logo]()
$134
This Southwest deal was found by Cheapflights users on 8/11. 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 9/99:30 am -
1 stop6h 45m
Wed 9/1610:55 am -
1 stop4h 30m
Deal found 8/11![Southwest logo]()
$136
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 9/106:55 am -
Nonstop2h 35m
Mon 9/1410:33 am -
Nonstop2h 43m
Deal found 8/11![Alaska Airlines logo]()
$151
This Southwest deal was found by Cheapflights users on 8/12. 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 10/3010:00 am -
Nonstop2h 35m
Sun 11/18:00 am -
Nonstop2h 20m
Deal found 8/12![Southwest logo]()
$153
This Southwest deal was found by Cheapflights users on 8/12. 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 9/28:05 am -
2 stops7h 20m
Sun 9/611:45 am -
Nonstop2h 30m
Deal found 8/12![Southwest logo]()
$154
This Super.com deal was found by Cheapflights users on 8/12. 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.
Sat 9/53:45 pm -
1 stop25h 26m
Thu 9/1012:38 pm -
1 stop11h 13m
Deal found 8/12![Frontier logo]()
$155
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 13, 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 13, 2026.
This Southwest deal was found by Cheapflights users on 8/10. 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 8/10![Southwest logo]()
$116
This Delta deal was found by Cheapflights users on 8/12. 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 9/154:23 pm -
1 stop7h 36m
Thu 9/177:05 am -
1 stop5h 37m
Deal found 8/12![Delta logo]()
$137
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 8/13![Alaska Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/92:24 pm -
2 stops6h 19m
Thu 9/109:00 am -
1 stop4h 44m
Deal found 8/12![United Airlines logo]()
$188
This Southwest deal was found by Cheapflights users on 8/12. 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 9/169:45 am -
1 stop5h 20m
Sat 9/192:15 pm -
Nonstop2h 40m
Deal found 8/12![Southwest logo]()
$126
This Delta deal was found by Cheapflights users on 8/11. 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 9/59:46 am -
1 stop6h 23m
Wed 9/95:10 am -
1 stop4h 59m
Deal found 8/11![Delta logo]()
$137
This Southwest deal was found by Cheapflights users on 8/10. 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 9/94:10 pm -
2 stops5h 35m
Mon 9/143:40 pm -
1 stop6h 30m
Deal found 8/10![Southwest logo]()
$141
This Delta deal was found by Cheapflights users on 8/9. 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 9/54:11 pm -
1 stop6h 27m
Sun 9/65:30 am -
1 stop4h 41m
Deal found 8/9![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 11/54:15 pm -
Nonstop2h 42m
Thu 11/123:04 pm -
Nonstop2h 33m
Deal found 8/11![Alaska Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 8/12. 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 9/155:30 pm -
1 stop4h 40m
Thu 9/1712:20 pm -
Nonstop2h 40m
Deal found 8/12![Southwest logo]()
$155
This Delta deal was found by Cheapflights users on 8/12. 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 12/167:09 pm -
1 stop4h 41m
Mon 1/45:20 am -
1 stop7h 18m
Deal found 8/12![Delta logo]()
$165
This Southwest deal was found by Cheapflights users on 8/10. 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 10/305:00 pm -
Nonstop2h 35m
Tue 11/311:25 am -
1 stop5h 10m
Deal found 8/10![Southwest logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 11/77:39 pm -
Nonstop3h 16m
Tue 11/108:33 am -
Nonstop2h 48m
Deal found 8/12![Alaska Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 8/9. 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 10/36:15 am -
1 stop5h 20m
Sat 10/37:25 pm -
1 stop5h 06m
Deal found 8/9![United Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 8/11. 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.
Sun 9/67:03 am -
Nonstop3h 02m
Sat 9/1212:28 pm -
Nonstop2h 59m
Deal found 8/11![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 10/107:27 pm -
Nonstop3h 06m
Wed 10/148:49 am -
Nonstop3h 01m
Deal found 8/8![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 8/9. 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 9/57:03 am -
Nonstop3h 02m
Tue 9/87:15 am -
Nonstop2h 54m
Deal found 8/9![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 8/10. 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 10/34:55 pm -
Nonstop2h 35m
Mon 10/58:00 am -
Nonstop2h 25m
Deal found 8/10![Southwest logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 8/9![Alaska Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 8/8. 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 9/511:15 am -
Nonstop2h 45m
Sat 9/126:15 am -
2 stops7h 50m
Deal found 8/8![Southwest logo]()
$180
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 11/107:39 pm -
Nonstop3h 16m
Sun 11/158:33 am -
Nonstop2h 48m
Deal found 8/10![Alaska Airlines logo]()
$202
This Delta deal was found by Cheapflights users on 8/12. 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 9/244:23 pm -
Nonstop2h 57m
Sat 9/266:15 pm -
Nonstop2h 54m
Deal found 8/12![Delta logo]()
$202
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 9/59:51 pm -
1 stop10h 12m
Sun 9/68:48 am -
Nonstop2h 57m
Deal found 8/10![Alaska Airlines logo]()
$205
This Southwest deal was found by Cheapflights users on 8/13. 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 9/53:15 pm -
Nonstop2h 30m
Sun 9/611:45 am -
Nonstop2h 30m
Deal found 8/13![Southwest logo]()
$188
This United Airlines deal was found by Cheapflights users on 8/10. 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 46m
Tue 11/35:10 am -
2 stops12h 07m
Deal found 8/10![United Airlines logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 10/169:20 am -
Nonstop3h 08m
Mon 10/194:54 pm -
Nonstop2h 49m
Deal found 8/10![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 8/10. 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 9/47:02 pm -
Nonstop3h 03m
Sun 9/612:14 pm -
Nonstop3h 02m
Deal found 8/10![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 8/11. 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 9/87:00 am -
Nonstop3h 05m
Tue 9/158:30 am -
Nonstop2h 55m
Deal found 8/11![Southwest logo]()
$201
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/48:16 pm -
Nonstop2h 39m
Thu 9/105:38 pm -
Nonstop2h 43m
Deal found 8/12![Alaska Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 8/10. 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 8/10![Delta logo]()
$222
Last-minute flights from San Diego to WashingtonDiscover last-minute flight deals from San Diego to Washington. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Washington. Data last updated August 13, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 8/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:25 am -
1 stop10h 46m
Sat 9/55:38 pm -
Nonstop2h 43m
Deal found 8/13![Multiple Airlines logo]()
$152
This Southwest deal was found by Cheapflights users on 8/12. 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 9/28:05 am -
2 stops7h 20m
Sun 9/611:45 am -
Nonstop2h 30m
Deal found 8/12![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 8/13. 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 9/511:15 am -
Nonstop2h 45m
Sun 9/67:55 am -
Nonstop2h 40m
Deal found 8/13![Southwest logo]()
$99
This Priceline deal was found by Cheapflights users on 8/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:59 pm -
Nonstop2h 50m
Sun 9/67:03 am -
Nonstop2h 51m
Deal found 8/12![Alaska Airlines logo]()
$100
This Delta deal was found by Cheapflights users on 8/13. 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 9/59:46 am -
1 stop6h 23m
Wed 9/95:10 am -
1 stop4h 59m
Deal found 8/13![Delta logo]()
$137
This Southwest deal was found by Cheapflights users on 8/11. 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 9/99:30 am -
1 stop6h 45m
Wed 9/1610:55 am -
1 stop4h 30m
Deal found 8/11![Southwest logo]()
$136
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 9/106:55 am -
Nonstop2h 35m
Mon 9/1410:33 am -
Nonstop2h 43m
Deal found 8/11![Alaska Airlines logo]()
$151
This Mytrip deal was found by Cheapflights users on 8/12. 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 9/148:59 pm -
Nonstop2h 54m
Sat 9/196:00 am -
Nonstop2h 59m
Deal found 8/12![Alaska Airlines logo]()
$134
This Southwest deal was found by Cheapflights users on 8/11. 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 9/159:30 am -
1 stop6h 45m
Fri 9/1812:20 pm -
Nonstop2h 40m
Deal found 8/11![Southwest logo]()
$140
This Southwest deal was found by Cheapflights users on 8/12. 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 9/169:45 am -
1 stop5h 20m
Sat 9/192:15 pm -
Nonstop2h 40m
Deal found 8/12![Southwest logo]()
$126
This Southwest deal was found by Cheapflights users on 8/10. 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 8/10![Southwest logo]()
$116
This Super.com deal was found by Cheapflights users on 8/13. 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 9/259:03 pm -
1 stop14h 33m
Mon 9/2812:39 pm -
1 stop7h 38m
Deal found 8/13![Frontier logo]()
$150
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 13, 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 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 9/118:59 pm -
Nonstop2h 54m
Deal found 8/13![Alaska Airlines logo]()
$50
This Southwest deal was found by Cheapflights users on 8/13. 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 8/13![Southwest logo]()
$58
This Southwest deal was found by Cheapflights users on 8/12. 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 9/1110:10 am -
1 stop6h 20m
Deal found 8/12![Southwest logo]()
$60
This Expedia deal was found by Cheapflights users on 8/11. 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.
Wed 10/77:59 pm -
Nonstop2h 51m
Deal found 8/11![Alaska Airlines logo]()
$62
This Southwest deal was found by Cheapflights users on 8/12. 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 9/98:40 am -
1 stop6h 25m
Deal found 8/12![Southwest logo]()
$68
This Delta deal was found by Cheapflights users on 8/13. 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 9/911:04 am -
1 stop7h 46m
Deal found 8/13![Delta logo]()
$69
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 10/97:59 pm -
Nonstop2h 51m
Deal found 8/12![Alaska Airlines logo]()
$73
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 9/57:59 pm -
Nonstop2h 50m
Deal found 8/9![Alaska Airlines logo]()
$79
This Delta deal was found by Cheapflights users on 8/12. 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 10/93:54 pm -
1 stop7h 56m
Deal found 8/12![Delta logo]()
$82
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Sun 9/68:16 pm -
Nonstop2h 39m
Deal found 8/10![Alaska Airlines logo]()
$83
This Trip.com deal was found by Cheapflights users on 8/11. 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.
Sat 9/266:12 pm -
Nonstop2h 37m
Deal found 8/11![Alaska Airlines logo]()
$86
This Booking.com deal was found by Cheapflights users on 8/11. 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.
Mon 10/126:53 am -
Nonstop2h 38m
Deal found 8/11![Alaska Airlines logo]()
$87
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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $99 (Southwest) |
One-way from | $50 (Alaska Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $267 |
Good round-trip deal | $153 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 2,558,603 searches. Data last updated August 13, 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 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
$116
San DiegoSpokane
SAN San Diego - GEG Spokane
SANGEG
San Diego
Wed 9/16
9:45 am-3:05 pm
1 stop5h 20m
Spokane
Sat 9/19
2:15 pm-4:55 pm
Nonstop2h 40m
$126
San DiegoSpokane
SAN San Diego - GEG Spokane
SANGEG
San Diego
Tue 9/15
4:23 pm-11:59 pm
1 stop7h 36m
Spokane
Thu 9/17
7:05 am-12:42 pm
1 stop5h 37m
$137
San DiegoSpokane
SAN San Diego - GEG Spokane
SANGEG
San Diego
Sat 9/5
9:46 am-4:09 pm
1 stop6h 23m
Spokane
Wed 9/9
5:10 am-10:09 am
1 stop4h 59m
$137
San DiegoSpokane
SAN San Diego - GEG Spokane
SANGEG
San Diego
Wed 9/9
4:10 pm-9:45 pm
2 stops5h 35m
Spokane
Mon 9/14
3:40 pm-10:10 pm
1 stop6h 30m
$141
San DiegoSpokane
SAN San Diego - GEG Spokane
SANGEG
San Diego
Tue 9/15
5:30 pm-10:10 pm
1 stop4h 40m
Spokane
Thu 9/17
12:20 pm-3:00 pm
Nonstop2h 40m
$155
San DiegoPortland
SAN San Diego - PDX Portland
SANPDX
San Diego
Sat 9/5
4:11 pm-10:38 pm
1 stop6h 27m
Portland
Sun 9/6
5:30 am-10:11 am
1 stop4h 41m
$157
San DiegoPortland
SAN San Diego - PDX Portland
SANPDX
San Diego
Fri 10/30
5:00 pm-7:35 pm
Nonstop2h 35m
Portland
Tue 11/3
11:25 am-4:35 pm
1 stop5h 10m
$157
San DiegoSpokane
SAN San Diego - GEG Spokane
SANGEG
San Diego
Wed 12/16
7:09 pm-11:50 pm
1 stop4h 41m
Spokane
Mon 1/4
5:20 am-12:38 pm
1 stop7h 18m
$165
San DiegoSeattle
SAN San Diego - SEA Seattle/Tacoma Intl
SANSEA
San Diego
Sun 9/6
7:03 am-10:05 am
Nonstop3h 02m
Seattle/Tacoma Intl
Sat 9/12
12:28 pm-3:27 pm
Nonstop2h 59m
$177
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-GEG
SAN-PDX
SAN-BLI
SAN-SEA
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-GEG
SAN-PDX
SAN-BLI
SAN-SEA
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 $216). 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 13, 2026.
It’s optimal to fly from San Diego to State of Washington at noon. By choosing this option you can save up to 28% 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 13, 2026.
The most flights from SAN to USWA are scheduled on a Tuesday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 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 $202 and $346 in September.The cheapest round-trip price found within the last 5 days was $157 on Delta (Sep 5-Sep 6).
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. Monday at noon 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 13, 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.
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
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 13, 2026.
Popular flight searches
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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 2,558,603 searches. Data last updated August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$227 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$108 | Average$280 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$134 | Average$399 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$142 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$284 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$178 | Average$323 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$387 | Average$602 | FlexibilityNo cancel fee | On-time71% |