$72+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
Aug 23 — Aug 301
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 July 24, 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 July 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 11/107:38 pm
SAN
- PAE
Nonstop3h 17m
Alaska Airlines
Tue 11/178:30 am
PAE
- SAN
Nonstop2h 55m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$137
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 11/127:38 pm
SAN
- PAE
Nonstop3h 17m
Alaska Airlines
Tue 11/178:30 am
PAE
- SAN
Nonstop2h 55m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$152
This Southwest deal was found by Cheapflights users on 7/22. 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 8/212:15 pm
SAN
- GEG
Nonstop2h 40m
Southwest
Sun 8/2312:05 pm
GEG
- SAN
Nonstop2h 40m
Southwest
Deal found 7/22![Southwest logo]()
$153
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:15 pm
SAN
- GEG
Nonstop2h 40m
Southwest
Thu 8/276:55 am
GEG
- SAN
2 stops8h 15m
Southwest
Deal found 7/21![Southwest logo]()
$158
This Mytrip deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:22 pm
SAN
- GEG
Nonstop2h 45m
Alaska Airlines
Tue 8/257:03 am
GEG
- SAN
Nonstop2h 51m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$161
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/276:55 am
SAN
- PDX
Nonstop2h 35m
Alaska Airlines
Wed 10/77:09 am
PDX
- SAN
Nonstop2h 47m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$162
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 11/137:38 pm
SAN
- PAE
Nonstop3h 17m
Alaska Airlines
Sat 11/148:30 am
PAE
- SAN
Nonstop2h 55m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$162
This Delta deal was found by Cheapflights users on 7/20. 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 8/111:34 pm
SAN
- GEG
1 stop7h 42m
Delta
Tue 8/181:00 pm
GEG
- SAN
1 stop5h 05m
Delta
Deal found 7/20![Delta logo]()
$163
This Travelocity deal was found by Cheapflights users on 7/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:17 pm
SAN
- PDX
Nonstop2h 36m
Alaska Airlines
Tue 10/61:49 pm
PDX
- SAN
Nonstop2h 33m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$165
This Travelocity deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:12 pm
SAN
- PDX
Nonstop2h 37m
Alaska Airlines
Sun 9/207:55 am
PDX
- SAN
Nonstop2h 35m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$166
This Delta deal was found by Cheapflights users on 7/22. 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 9/59:46 am
SAN
- PDX
1 stop6h 17m
Delta
Wed 9/95:30 am
PDX
- SAN
1 stop7h 12m
Delta
Deal found 7/22![Delta logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 11/127:38 pm
SAN
- PAE
Nonstop3h 17m
Alaska Airlines
Thu 11/198:30 am
PAE
- SAN
Nonstop2h 55m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$167
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 July 24, 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 July 24, 2026.
This Southwest deal was found by Cheapflights users on 7/22. 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 8/212:15 pm
SAN
- GEG
Nonstop2h 40m
Southwest
Sun 8/2312:05 pm
GEG
- SAN
Nonstop2h 40m
Southwest
Deal found 7/22![Southwest logo]()
$153
This Delta deal was found by Cheapflights users on 7/19. 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.
Fri 8/287:13 pm
SAN
- GEG
1 stop4h 40m
Delta
Mon 8/315:30 am
GEG
- SAN
1 stop6h 38m
Delta
Deal found 7/19![Delta logo]()
$163
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 10/168:28 pm
SAN
- SEA
Nonstop3h 09m
Alaska Airlines
Mon 10/1911:30 am
SEA
- SAN
Nonstop3h 10m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Thu 8/206:25 am
SAN
- BLI
2 stops10h 38m
Multiple Airlines
Sun 8/235:53 pm
BLI
- SAN
1 stop26h 21m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$242
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:56 pm
SAN
- PDX
1 stop5h 03m
United Airlines
Thu 8/2711:15 am
PDX
- SAN
2 stops6h 11m
United Airlines
Deal found 7/21![United Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 7/20. 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.
Fri 8/212:15 pm
SAN
- GEG
Nonstop2h 40m
Southwest
Fri 8/281:50 pm
GEG
- SAN
2 stops7h 20m
Southwest
Deal found 7/20![Southwest logo]()
$158
This Delta deal was found by Cheapflights users on 7/20. 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 8/111:34 pm
SAN
- GEG
1 stop7h 42m
Delta
Tue 8/181:00 pm
GEG
- SAN
1 stop5h 05m
Delta
Deal found 7/20![Delta logo]()
$163
This Southwest deal was found by Cheapflights users on 7/19. 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.
Thu 8/201:50 pm
SAN
- GEG
1 stop8h 10m
Southwest
Sun 8/234:40 pm
GEG
- SAN
1 stop5h 10m
Southwest
Deal found 7/19![Southwest logo]()
$163
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/2411:06 am
SAN
- PDX
Nonstop2h 42m
Alaska Airlines
Tue 9/295:53 pm
PDX
- SAN
1 stop5h 06m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$180
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/215:01 pm
SAN
- GEG
1 stop6h 52m
Delta
Wed 9/24:20 pm
GEG
- SAN
1 stop6h 29m
Delta
Deal found 7/23![Delta logo]()
$183
This Southwest deal was found by Cheapflights users on 7/22. 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 9/106:40 pm
SAN
- SEA
1 stop5h 40m
Southwest
Thu 9/175:50 pm
SEA
- SAN
Nonstop2h 55m
Southwest
Deal found 7/22![Southwest logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 10/22:17 pm
SAN
- PDX
Nonstop2h 36m
Alaska Airlines
Tue 10/67:30 am
PDX
- SAN
1 stop9h 21m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 7/19. 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.
Mon 8/316:15 am
SAN
- PDX
1 stop6h 09m
Delta
Wed 9/25:35 pm
PDX
- SAN
1 stop6h 19m
Delta
Deal found 7/19![Delta logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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.
Sat 9/57:59 pm
SAN
- GEG
Nonstop2h 50m
Alaska Airlines
Wed 9/92:02 pm
GEG
- SAN
1 stop4h 58m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$188
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/295:00 pm
SAN
- SEA
1 stop4h 45m
Southwest
Mon 10/57:15 am
SEA
- SAN
1 stop4h 40m
Southwest
Deal found 7/23![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 7/20. 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.
Thu 10/19:50 am
SAN
- SEA
1 stop6h 40m
Southwest
Wed 10/75:50 am
SEA
- SAN
2 stops5h 45m
Southwest
Deal found 7/20![Southwest logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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.
Mon 9/216:12 pm
SAN
- PDX
Nonstop2h 37m
Alaska Airlines
Wed 9/302:03 pm
PDX
- SAN
Nonstop2h 33m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 7/19. 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 9/261:38 pm
SAN
- PDX
1 stop6h 24m
Delta
Sun 9/276:08 am
PDX
- SAN
1 stop4h 02m
Delta
Deal found 7/19![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 7/20. 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.
Tue 8/253:15 pm
SAN
- SEA
1 stop7h 50m
Southwest
Sat 8/295:30 pm
SEA
- SAN
Nonstop2h 50m
Southwest
Deal found 7/20![Southwest logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 9/187:27 pm
SAN
- PAE
Nonstop3h 02m
Alaska Airlines
Tue 9/297:00 am
PAE
- SAN
1 stop4h 59m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/237:03 am
SAN
- SEA
Nonstop3h 02m
Delta
Mon 8/317:55 pm
SEA
- SAN
Nonstop2h 54m
Delta
Deal found 7/23![Delta logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Fri 8/216:25 am
SAN
- BLI
2 stops13h 39m
Multiple Airlines
Mon 8/247:00 am
BLI
- SAN
1 stop13h 14m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 7/21. 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.
Tue 8/114:10 pm
SAN
- SEA
2 stops5h 35m
Southwest
Mon 8/175:00 am
SEA
- SAN
1 stop6h 05m
Southwest
Deal found 7/21![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/910:36 am
SAN
- GEG
2 stops10h 10m
Alaska Airlines
Sat 9/128:31 am
GEG
- SAN
2 stops10h 06m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$204
This Delta deal was found by Cheapflights users on 7/19. 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.
Fri 8/217:02 pm
SAN
- SEA
Nonstop3h 03m
Delta
Sun 8/237:15 am
SEA
- SAN
Nonstop2h 56m
Delta
Deal found 7/19![Delta logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 9/183:50 pm
SAN
- SEA
Nonstop3h 02m
Alaska Airlines
Tue 9/297:05 am
SEA
- SAN
1 stop9h 45m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$205
This Southwest deal was found by Cheapflights users on 7/20. 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.
Fri 9/185:30 pm
SAN
- PDX
1 stop4h 05m
Southwest
Mon 9/213:40 pm
PDX
- SAN
Nonstop2h 30m
Southwest
Deal found 7/20![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 7/18. 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 8/81:34 pm
SAN
- SEA
Nonstop2h 56m
Delta
Thu 8/137:15 am
SEA
- SAN
Nonstop2h 56m
Delta
Deal found 7/18![Delta logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:50 am
SAN
- PAE
1 stop5h 46m
Alaska Airlines
Wed 10/218:27 am
PAE
- SAN
Nonstop2h 53m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$212
This Southwest deal was found by Cheapflights users on 7/19. 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.
Tue 8/188:40 am
SAN
- SEA
1 stop6h 50m
Southwest
Tue 8/255:30 pm
SEA
- SAN
Nonstop2h 50m
Southwest
Deal found 7/19![Southwest logo]()
$207
Last-minute flights from San Diego to WashingtonDiscover last-minute flight deals from San Diego to Washington. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Washington. Data last updated July 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/20. 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 8/111:34 pm
SAN
- GEG
1 stop7h 42m
Delta
Tue 8/181:00 pm
GEG
- SAN
1 stop5h 05m
Delta
Deal found 7/20![Delta logo]()
$163
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/124:10 pm
SAN
- PDX
2 stops5h 10m
Southwest
Tue 8/186:35 am
PDX
- SAN
2 stops5h 10m
Southwest
Deal found 7/23![Southwest logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 8/136:18 am
SAN
- SEA
Nonstop3h 01m
Alaska Airlines
Sat 8/228:49 pm
SEA
- SAN
Nonstop2h 55m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$170
This Mytrip deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:22 pm
SAN
- GEG
Nonstop2h 45m
Alaska Airlines
Tue 8/257:03 am
GEG
- SAN
Nonstop2h 51m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$161
This Southwest deal was found by Cheapflights users on 7/21. 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.
Tue 8/186:00 pm
SAN
- SEA
Nonstop3h 00m
Southwest
Tue 8/2511:40 am
SEA
- SAN
1 stop5h 15m
Southwest
Deal found 7/21![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 7/21. 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.
Tue 8/1812:20 pm
SAN
- SEA
2 stops7h 55m
Southwest
Thu 8/279:10 am
SEA
- SAN
Nonstop2h 45m
Southwest
Deal found 7/21![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:15 pm
SAN
- GEG
Nonstop2h 40m
Southwest
Thu 8/276:55 am
GEG
- SAN
2 stops8h 15m
Southwest
Deal found 7/21![Southwest logo]()
$158
This Delta deal was found by Cheapflights users on 7/22. 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 8/205:01 pm
SAN
- GEG
1 stop6h 52m
Delta
Mon 8/244:16 pm
GEG
- SAN
1 stop7h 38m
Delta
Deal found 7/22![Delta logo]()
$173
This Southwest deal was found by Cheapflights users on 7/22. 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 8/212:15 pm
SAN
- GEG
Nonstop2h 40m
Southwest
Sun 8/2312:05 pm
GEG
- SAN
Nonstop2h 40m
Southwest
Deal found 7/22![Southwest logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:45 pm
SAN
- SEA
1 stop17h 34m
Frontier
Tue 8/257:06 pm
SEA
- SAN
1 stop13h 59m
Frontier
Deal found 7/20![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Mon 8/248:59 pm
SAN
- SEA
1 stop13h 40m
Frontier
Tue 9/18:53 pm
SEA
- SAN
2 stops17h 57m
Frontier
Deal found 7/22![Frontier logo]()
$169
This Southwest deal was found by Cheapflights users on 7/22. 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.
Wed 8/2610:50 am
SAN
- PDX
Nonstop2h 30m
Southwest
Sun 8/307:20 am
PDX
- SAN
1 stop4h 15m
Southwest
Deal found 7/22![Southwest logo]()
$172
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 July 24, 2026.
Search for one-way flight options from San Diego to Washington. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 9/198:59 pm
SAN
- GEG
Nonstop2h 54m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 10/89:43 pm
SAN
- BLI
1 stop14h 27m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$73
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/217:59 pm
SAN
- GEG
Nonstop2h 50m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$77
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:10 pm
SAN
- GEG
1 stop6h 00m
Southwest
Deal found 7/21![Southwest logo]()
$82
This Delta deal was found by Cheapflights users on 7/22. 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 8/199:46 am
SAN
- GEG
1 stop6h 23m
Delta
Deal found 7/22![Delta logo]()
$87
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/156:50 am
SAN
- PDX
Nonstop2h 39m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$92
This Southwest deal was found by Cheapflights users on 7/22. 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.
Wed 8/262:10 pm
SAN
- GEG
2 stops7h 30m
Southwest
Deal found 7/22![Southwest logo]()
$92
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 8/218:16 pm
SAN
- PDX
Nonstop2h 39m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$94
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:36 am
SAN
- GEG
2 stops10h 10m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$97
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 11/37:38 pm
SAN
- PAE
Nonstop3h 17m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$99
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 8/312:24 pm
SAN
- PDX
2 stops6h 35m
United Airlines
Deal found 7/20![United Airlines logo]()
$99
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/126:50 am
SAN
- PDX
Nonstop2h 39m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$102
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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Alaska Airlines) |
One-way from | $72 (Alaska Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $324 |
Good round-trip deal | $210 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 July 24, 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 - GEG
SANGEG
San Diego
Fri 8/21
2:15 pm-4:55 pm
Nonstop2h 40m
Spokane
Sun 8/23
12:05 pm-2:45 pm
Nonstop2h 40m
$153
San DiegoSpokane
SAN - GEG
SANGEG
San Diego
Fri 8/21
2:15 pm-4:55 pm
Nonstop2h 40m
Spokane
Fri 8/28
1:50 pm-9:10 pm
2 stops7h 20m
$158
San DiegoSpokane
SAN - GEG
SANGEG
San Diego
Fri 8/28
7:13 pm-11:53 pm
1 stop4h 40m
Spokane
Mon 8/31
5:30 am-12:08 pm
1 stop6h 38m
$163
San DiegoSpokane
SAN - GEG
SANGEG
San Diego
Tue 8/11
1:34 pm-9:16 pm
1 stop7h 42m
Spokane
Tue 8/18
1:00 pm-6:05 pm
1 stop5h 05m
$163
San DiegoSpokane
SAN - GEG
SANGEG
San Diego
Thu 8/20
1:50 pm-10:00 pm
1 stop8h 10m
Spokane
Sun 8/23
4:40 pm-9:50 pm
1 stop5h 10m
$163
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Thu 9/10
6:40 pm-12:20 am
1 stop5h 40m
Seattle/Tacoma Intl
Thu 9/17
5:50 pm-8:45 pm
Nonstop2h 55m
$167
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Fri 10/16
8:28 pm-11:37 pm
Nonstop3h 09m
Seattle/Tacoma Intl
Mon 10/19
11:30 am-2:40 pm
Nonstop3h 10m
$172
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Tue 9/29
5:00 pm-9:45 pm
1 stop4h 45m
Seattle/Tacoma Intl
Mon 10/5
7:15 am-11:55 am
1 stop4h 40m
$172
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Thu 10/1
9:50 am-4:30 pm
1 stop6h 40m
Seattle/Tacoma Intl
Wed 10/7
5:50 am-11:35 am
2 stops5h 45m
$177
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Tue 8/25
3:15 pm-11:05 pm
1 stop7h 50m
Seattle/Tacoma Intl
Sat 8/29
5:30 pm-8:20 pm
Nonstop2h 50m
$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-BLI
SAN-PDX
SAN-PAE
SAN-SEA
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-BLI
SAN-PDX
SAN-PAE
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 $322). 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 July 24, 2026.
It’s optimal to fly from San Diego to State of Washington at noon. By choosing this option you can save up to 15% 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 July 24, 2026.
The most flights from SAN to USWA are scheduled on a Thursday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 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 $236 and $379 in August.The cheapest round-trip price found within the last 5 days was $167 on Southwest (Aug 18-Aug 25).
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 July 24, 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
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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Search flights from San Diego to Washington by cabin class
Find flights from San Diego to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Washington flights
Browse other San Diego and Washington flight options. Last updated on July 24, 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 2,558,603 searches. Data last updated July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$106 | Average$280 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$108 | Average$220 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$136 | Average$413 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$142 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$152 | Average$291 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$178 | Average$323 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$504 | FlexibilityNo cancel fee | On-time71% |