$77+ Cheap flights from San Diego (SAN) to Washington
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
Nov 18 — Nov 251
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 October 19, 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 October 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Wed 12/164:13 pm -
Nonstop2h 55m
Tue 1/57:38 am -
Nonstop2h 52m
Deal found 10/19![Alaska Airlines logo]()
$152
This Priceline deal was found by Cheapflights users on 10/14. 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.
Wed 11/117:39 pm -
Nonstop3h 16m
Sat 11/148:33 am -
Nonstop2h 48m
Deal found 10/14![Alaska Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 11/411:32 am -
Nonstop3h 13m
Wed 11/115:30 pm -
Nonstop2h 52m
Deal found 10/15![Alaska Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 11/66:45 pm -
Nonstop2h 50m
Mon 11/97:03 am -
Nonstop2h 50m
Deal found 10/15![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 10/15. 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 12/25:05 pm -
1 stop4h 35m
Wed 12/96:30 pm -
Nonstop2h 45m
Deal found 10/15![Southwest logo]()
$163
This Trip.com deal was found by Cheapflights users on 10/15. 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.
Wed 12/26:30 am -
1 stop9h 10m
Wed 12/94:58 pm -
1 stop7h 00m
Deal found 10/15![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 12/39:05 am -
1 stop10h 48m
Sun 12/68:43 pm -
1 stop10h 46m
Deal found 10/17![Multiple Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 10/19. 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.
Wed 12/166:47 pm -
1 stop5h 12m
Tue 1/55:00 pm -
1 stop5h 02m
Deal found 10/19![Delta logo]()
$171
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:50 am -
1 stop27h 47m
Mon 11/309:53 pm -
1 stop13h 44m
Deal found 10/19![Frontier logo]()
$172
This Southwest deal was found by Cheapflights users on 10/18. 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 12/28:15 am -
1 stop4h 35m
Sat 12/56:00 am -
1 stop6h 40m
Deal found 10/18![Southwest logo]()
$172
This Frontier deal was found by Cheapflights users on 10/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:25 am -
1 stop8h 47m
Thu 12/39:07 pm -
1 stop11h 03m
Deal found 10/19![Frontier logo]()
$174
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 12/15:38 pm -
Nonstop3h 18m
Tue 12/810:35 am -
Nonstop2h 48m
Deal found 10/15![Alaska Airlines logo]()
$177
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 October 19, 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 October 19, 2026.
This Southwest deal was found by Cheapflights users on 10/14. 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 12/215:55 pm -
Nonstop3h 05m
Wed 12/307:15 am -
Nonstop2h 50m
Deal found 10/14![Southwest logo]()
$157
This Delta deal was found by Cheapflights users on 10/15. 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 11/57:45 am -
Nonstop3h 13m
Mon 11/97:15 am -
Nonstop2h 52m
Deal found 10/15![Delta logo]()
$157
This Priceline deal was found by Cheapflights users on 10/14. 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.
Wed 11/186:55 pm -
Nonstop2h 50m
Sat 12/127:07 am -
Nonstop2h 55m
Deal found 10/14![Alaska Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 11/66:20 am -
1 stop4h 54m
Fri 11/67:35 pm -
1 stop4h 44m
Deal found 10/14![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 10/14. 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 12/45:05 pm -
1 stop4h 25m
Mon 12/76:30 pm -
Nonstop2h 45m
Deal found 10/14![Southwest logo]()
$163
This Southwest deal was found by Cheapflights users on 10/19. 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 12/41:50 pm -
1 stop8h 05m
Mon 12/71:35 pm -
1 stop8h 20m
Deal found 10/19![Southwest logo]()
$192
This Delta deal was found by Cheapflights users on 10/15. 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 12/166:47 pm -
1 stop5h 12m
Tue 12/225:40 pm -
1 stop5h 12m
Deal found 10/15![Delta logo]()
$215
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 11/96:15 am -
Nonstop3h 12m
Thu 11/128:48 pm -
Nonstop2h 49m
Deal found 10/15![Alaska Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
Sun 12/138:57 am -
1 stop25h 24m
Thu 12/244:41 pm -
1 stop19h 48m
Deal found 10/18![Multiple Airlines logo]()
$465
This Delta deal was found by Cheapflights users on 10/18. 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 12/53:52 pm -
Nonstop3h 13m
Sun 12/67:15 am -
Nonstop2h 56m
Deal found 10/18![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 12/184:45 pm -
1 stop5h 14m
Mon 1/186:15 am -
1 stop5h 00m
Deal found 10/16![United Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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 1/57:11 am -
1 stop7h 46m
Sun 1/109:00 am -
Nonstop2h 55m
Deal found 10/14![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 10/17. 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 12/237:25 am -
Nonstop3h 18m
Mon 12/287:15 am -
Nonstop3h 01m
Deal found 10/17![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Thu 4/156:20 am -
1 stop5h 04m
Sun 4/184:00 pm -
1 stop6h 28m
Deal found 10/17![United Airlines logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 11/147:39 pm -
Nonstop3h 16m
Tue 11/178:33 am -
Nonstop2h 48m
Deal found 10/15![Alaska Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 10/16. 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 12/1910:20 pm -
1 stop9h 00m
Fri 1/15:40 am -
2 stops8h 25m
Deal found 10/16![Southwest logo]()
$248
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 11/54:54 pm -
1 stop5h 15m
Mon 11/92:56 pm -
1 stop5h 49m
Deal found 10/15![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 10/16. 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 11/610:57 am -
1 stop4h 47m
Mon 11/95:04 pm -
1 stop6h 50m
Deal found 10/16![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Wed 2/2412:45 pm -
1 stop8h 24m
Mon 3/11:45 pm -
2 stops10h 44m
Deal found 10/18![United Airlines logo]()
$275
This Southwest deal was found by Cheapflights users on 10/16. 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 12/187:40 pm -
1 stop5h 30m
Fri 1/15:15 am -
2 stops6h 30m
Deal found 10/16![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 12/116:22 pm -
Nonstop3h 14m
Sun 12/1312:19 pm -
1 stop5h 05m
Deal found 10/16![Alaska Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 10/16. 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 11/243:53 pm -
Nonstop3h 08m
Fri 11/277:15 am -
Nonstop2h 52m
Deal found 10/16![Delta logo]()
$252
This Southwest deal was found by Cheapflights users on 10/18. 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.
Sun 12/209:05 am -
Nonstop3h 05m
Thu 12/246:30 pm -
Nonstop2h 50m
Deal found 10/18![Southwest logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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.
Sat 11/76:57 pm -
Nonstop2h 50m
Wed 11/111:08 pm -
1 stop5h 33m
Deal found 10/17![Alaska Airlines logo]()
$243
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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 11/36:35 pm -
1 stop17h 39m
Sat 11/148:33 am -
Nonstop2h 48m
Deal found 10/14![Alaska Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 10/18. 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 2/246:15 am -
2 stops7h 00m
Mon 3/12:45 pm -
2 stops7h 10m
Deal found 10/18![Southwest logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 10/14. 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 11/107:10 am -
1 stop5h 04m
Fri 11/208:20 am -
Nonstop2h 49m
Deal found 10/14![Alaska Airlines logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Wed 12/167:12 am -
1 stop9h 26m
Tue 12/227:00 am -
Nonstop3h 00m
Deal found 10/19![Alaska Airlines logo]()
$263
This United Airlines deal was found by Cheapflights users on 10/16. 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 12/126:45 am -
1 stop6h 21m
Sun 12/201:55 pm -
1 stop6h 45m
Deal found 10/16![United Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 1/156:29 pm -
Nonstop2h 46m
Wed 1/205:02 am -
1 stop4h 50m
Deal found 10/19![Alaska Airlines logo]()
$266
Last-minute flights from San Diego to WashingtonDiscover last-minute flight deals from San Diego to Washington. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Washington. Data last updated October 19, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 11/411:32 am -
Nonstop3h 13m
Wed 11/115:30 pm -
Nonstop2h 52m
Deal found 10/15![Alaska Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 11/66:45 pm -
Nonstop2h 50m
Mon 11/97:03 am -
Nonstop2h 50m
Deal found 10/15![Alaska Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 10/15. 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 11/610:57 am -
1 stop4h 47m
Mon 11/95:04 pm -
1 stop6h 50m
Deal found 10/15![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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
Sat 11/148:33 am -
Nonstop2h 48m
Deal found 10/15![Alaska Airlines logo]()
$197
This KAYAK deal was found by Cheapflights users on 10/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:40 pm -
1 stop20h 30m
Wed 11/186:30 pm -
Nonstop2h 50m
Deal found 10/19![Southwest logo]()
$185
This Frontier deal was found by Cheapflights users on 10/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:25 am -
1 stop8h 47m
Thu 12/39:07 pm -
1 stop11h 03m
Deal found 10/19![Frontier logo]()
$174
This Expedia deal was found by Cheapflights users on 10/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:48 pm -
Nonstop3h 07m
Wed 12/24:58 pm -
1 stop6h 59m
Deal found 10/19![Multiple Airlines logo]()
$191
This SmartFares deal was found by Cheapflights users on 10/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:20 pm -
Nonstop3h 07m
Sun 11/228:58 pm -
Nonstop2h 46m
Deal found 10/18![Alaska Airlines logo]()
$196
This Priceline deal was found by Cheapflights users on 10/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:48 pm -
Nonstop3h 08m
Thu 11/264:37 pm -
1 stop7h 20m
Deal found 10/19![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:50 am -
1 stop27h 47m
Thu 12/39:07 pm -
1 stop11h 03m
Deal found 10/19![Frontier logo]()
$187
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:50 am -
1 stop27h 47m
Mon 11/309:53 pm -
1 stop13h 44m
Deal found 10/19![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:26 am -
1 stop25h 11m
Thu 12/39:07 pm -
1 stop11h 03m
Deal found 10/19![Frontier logo]()
$188
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 October 19, 2026.
Search for one-way flight options from San Diego to Washington. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Super.com deal was found by Cheapflights users on 10/15. 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.
Mon 11/166:25 am -
1 stop8h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$77
This Southwest deal was found by Cheapflights users on 10/14. 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 1/46:00 pm -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$79
This Priceline deal was found by Cheapflights users on 10/14. 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.
Fri 11/66:45 pm -
Nonstop2h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Alaska Airlines logo]()
$79
This Super.com deal was found by Cheapflights users on 10/19. 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.
Wed 11/186:25 am -
1 stop8h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$86
This Southwest deal was found by Cheapflights users on 10/19. 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.
Mon 11/96:05 pm -
1 stop5h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Southwest logo]()
$86
This Southwest deal was found by Cheapflights users on 10/14. 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 11/68:30 am -
1 stop5h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$89
This Mytrip deal was found by Cheapflights users on 10/15. 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.
Wed 1/66:36 pm -
Nonstop3h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$91
This Super.com deal was found by Cheapflights users on 10/15. 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 11/2611:26 am -
1 stop25h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 10/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:05 am -
1 stop27h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Frontier logo]()
$98
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 1/65:50 pm -
Nonstop3h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$99
This Delta deal was found by Cheapflights users on 10/15. 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 11/63:59 pm -
Nonstop3h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Delta logo]()
$99
This Priceline deal was found by Cheapflights users on 10/15. 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 11/76:57 pm -
Nonstop2h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$99
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 October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $152 (Alaska Airlines) |
One-way from | $77 (Super.com) |
Popular in | July |
Cheapest in | February |
Average price | $208 |
Good round-trip deal | $215 or less |
Good one-way deal | $103 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 October 19, 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
Quickest round-trip
San DiegoSpokane
SAN San Diego - GEG Spokane
SANGEG
San Diego
Fri 11/6
6:45 pm-9:35 pm
Nonstop2h 50m
Spokane
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
San DiegoSpokane
SAN San Diego - GEG Spokane
SANGEG
San Diego
Fri 11/6
8:30 am-2:15 pm
1 stop5h 45m
Spokane
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
San DiegoSpokane
SAN San Diego - GEG Spokane
SANGEG
San Diego
Thu 11/26
6:45 am-2:15 pm
2 stops7h 30m
Spokane
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$92
San DiegoSeattle
SAN San Diego - SEA Seattle/Tacoma Intl
SANSEA
San Diego
Sat 11/21
11:02 am-2:13 pm
Nonstop3h 11m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$104
San DiegoSeattle
SAN San Diego - SEA Seattle/Tacoma Intl
SANSEA
San Diego
Wed 11/18
11:02 am-2:13 pm
Nonstop3h 11m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$104
San DiegoSeattle
SAN San Diego - SEA Seattle/Tacoma Intl
SANSEA
San Diego
Mon 12/21
6:45 pm-10:00 pm
Nonstop3h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$107
San DiegoSeattle
SAN San Diego - SEA Seattle/Tacoma Intl
SANSEA
San Diego
Mon 2/1
6:55 pm-10:05 pm
Nonstop3h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
San DiegoSeattle
SAN San Diego - SEA Seattle/Tacoma Intl
SANSEA
San Diego
Sun 1/31
6:50 am-10:05 am
Nonstop3h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
San DiegoSpokane
SAN San Diego - GEG Spokane
SANGEG
San Diego
Wed 12/30
7:25 pm-11:55 pm
1 stop4h 30m
Spokane
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$114
San DiegoSeattle
SAN San Diego - SEA Seattle/Tacoma Intl
SANSEA
San Diego
Sun 12/20
7:25 am-10:43 am
Nonstop3h 18m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$114
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-SEA
SAN-GEG
SAN-PAE
SAN-BLI
SAN-PSC
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-SEA
SAN-GEG
SAN-PAE
SAN-BLI
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 $202). 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 October 19, 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 October 19, 2026.
The most flights from SAN to USWA are scheduled on a Friday (45 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (21 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 $157 and $303 in January.The cheapest round-trip price found within the last 5 days was $156 on Frontier (Jan 7-Jan 11).
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 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 October 19, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, 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.
Crew
8.5
Boarding
8.1
Food
7.0
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Crew
8.5
Boarding
8.1
Food
7.0
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Crew
8.5
Boarding
8.1
Food
7.0
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Crew
8.5
Boarding
8.1
Food
7.0
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Crew
8.5
Boarding
8.1
Food
7.0
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Crew
8.5
Boarding
8.1
Food
7.0
Comfort
7.8
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
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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San Diego and Washington flights
Browse other San Diego and Washington flight options. Last updated on October 19, 2026.
Popular flight searches
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San Diego to Washington flights
Consider these flights traveling from San Diego to Washington.
Top 6 airlines flying from San Diego to Washington
Discover the top 6 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 October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$282 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$395 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$134 | Average$289 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$142 | Average$291 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$323 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$387 | Average$634 | FlexibilityNo cancel fee | On-time71% |