$68+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
Mar 6 — Mar 131
1 adult, Economy
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Find cheap flights from San Diego to Washington with Cheapflights
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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 February 4, 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 February 4, 2026.
This SmartFares deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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.
Tue 3/39:00 pm
SAN
- GEG
Nonstop2h 59m
Hawaiian Airlines
Tue 3/107:00 am
GEG
- SAN
Nonstop2h 55m
Hawaiian Airlines
Deal found 2/3![Hawaiian Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/511:59 am
SAN
- SEA
1 stop23h 20m
Frontier
Tue 3/1010:08 pm
SEA
- SAN
1 stop16h 23m
Frontier
Deal found 2/3![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/252:50 pm
SAN
- SEA
1 stop6h 13m
Frontier
Mon 3/309:40 pm
SEA
- SAN
1 stop15h 33m
Frontier
Deal found 2/3![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/113:16 pm
SAN
- SEA
1 stop5h 47m
Frontier
Mon 3/169:36 pm
SEA
- SAN
1 stop15h 37m
Frontier
Deal found 2/1![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 2/262:38 pm
SAN
- SEA
1 stop18h 13m
Frontier
Sun 3/112:00 pm
SEA
- SAN
1 stop12h 08m
Frontier
Deal found 2/3![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:45 am
SAN
- SEA
1 stop27h 16m
Frontier
Mon 3/99:36 pm
SEA
- SAN
1 stop15h 37m
Frontier
Deal found 2/3![Frontier logo]()
$137
This Travelocity deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/39:00 pm
SAN
- GEG
Nonstop2h 59m
Alaska Airlines
Tue 3/107:00 am
GEG
- SAN
Nonstop2h 55m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:11 am
SAN
- SEA
1 stop28h 50m
Frontier
Sun 3/112:00 pm
SEA
- SAN
1 stop12h 08m
Frontier
Deal found 2/3![Frontier logo]()
$138
This eDestinos deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:25 am
SAN
- SEA
1 stop27h 02m
Frontier
Mon 5/46:57 pm
SEA
- SAN
1 stop25h 07m
Frontier
Deal found 2/3![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:25 am
SAN
- SEA
1 stop8h 40m
Frontier
Tue 5/56:57 pm
SEA
- SAN
1 stop25h 07m
Frontier
Deal found 2/3![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 2/278:20 pm
SAN
- SEA
1 stop13h 57m
Frontier
Mon 3/210:06 am
SEA
- SAN
1 stop13h 41m
Frontier
Deal found 2/3![Frontier logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 2/249:00 pm
SAN
- SEA
1 stop16h 17m
Alaska Airlines
Wed 2/253:40 pm
SEA
- SAN
Nonstop2h 50m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$147
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 February 4, 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 February 4, 2026.
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/285:20 pm
SAN
- GEG
1 stop5h 22m
Delta
Tue 3/35:00 am
GEG
- SAN
1 stop5h 04m
Delta
Deal found 2/4![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 2/253:07 pm
SAN
- PDX
1 stop5h 41m
Alaska Airlines
Sat 2/282:31 pm
PDX
- SAN
Nonstop2h 36m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/106:00 pm
SAN
- PDX
1 stop4h 00m
Southwest
Sat 3/146:20 pm
PDX
- SAN
1 stop4h 30m
Southwest
Deal found 2/3![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/58:45 am
SAN
- GEG
1 stop8h 41m
United Airlines
Mon 3/97:02 am
GEG
- SAN
1 stop5h 42m
United Airlines
Deal found 2/2![United Airlines logo]()
$197
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:30 am
SAN
- PSC
1 stop7h 03m
American Airlines
Sat 4/182:12 pm
PSC
- SAN
1 stop7h 43m
American Airlines
Deal found 2/3![American Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/198:39 pm
SAN
- BLI
1 stop26h 27m
Multiple Airlines
Mon 3/236:00 am
BLI
- SAN
1 stop10h 13m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:35 pm
SAN
- SEA
Nonstop3h 18m
Alaska Airlines
Mon 5/410:22 am
SEA
- SAN
Nonstop3h 05m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$176
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/193:40 pm
SAN
- SEA
Nonstop3h 10m
Delta
Sun 3/227:20 am
SEA
- SAN
Nonstop2h 57m
Delta
Deal found 2/1![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/317:00 pm
SAN
- PDX
1 stop5h 15m
Southwest
Tue 4/711:45 am
PDX
- SAN
Nonstop2h 25m
Southwest
Deal found 2/2![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/117:30 am
SAN
- SEA
Nonstop3h 08m
Delta
Mon 3/167:20 am
SEA
- SAN
Nonstop2h 57m
Delta
Deal found 2/1![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/268:26 pm
SAN
- SEA
Nonstop3h 14m
Alaska Airlines
Sat 2/288:55 pm
SEA
- SAN
Nonstop2h 49m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:45 pm
SAN
- SEA
Nonstop3h 16m
Delta
Mon 5/189:45 am
SEA
- SAN
Nonstop2h 57m
Delta
Deal found 2/2![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/73:10 pm
SAN
- PDX
1 stop6h 45m
Southwest
Sun 3/85:20 am
PDX
- SAN
1 stop3h 55m
Southwest
Deal found 2/1![Southwest logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/239:08 pm
SAN
- PDX
Nonstop2h 49m
Alaska Airlines
Wed 2/255:35 pm
PDX
- SAN
Nonstop2h 37m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/67:20 am
SAN
- SEA
Nonstop3h 16m
Delta
Sun 3/157:35 pm
SEA
- SAN
Nonstop2h 53m
Delta
Deal found 2/2![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/256:30 am
SAN
- PDX
1 stop4h 35m
Southwest
Mon 3/305:15 pm
PDX
- SAN
1 stop4h 55m
Southwest
Deal found 2/3![Southwest logo]()
$197
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:00 pm
SAN
- GEG
Nonstop2h 59m
Alaska Airlines
Mon 3/212:00 pm
GEG
- SAN
1 stop6h 30m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:39 pm
SAN
- SEA
Nonstop3h 07m
Delta
Tue 5/197:41 pm
SEA
- SAN
Nonstop2h 51m
Delta
Deal found 1/31![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 4/57:25 pm
SAN
- GEG
1 stop5h 40m
Southwest
Sat 4/1111:05 am
GEG
- SAN
Nonstop2h 40m
Southwest
Deal found 2/3![Southwest logo]()
$202
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/269:00 pm
SAN
- GEG
Nonstop2h 59m
Alaska Airlines
Tue 3/37:00 am
GEG
- SAN
Nonstop2h 55m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$194
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/123:40 pm
SAN
- SEA
Nonstop3h 08m
Delta
Sun 3/157:20 am
SEA
- SAN
Nonstop2h 57m
Delta
Deal found 2/2![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/27:20 am
SAN
- SEA
Nonstop3h 16m
Delta
Mon 3/911:51 am
SEA
- SAN
Nonstop2h 53m
Delta
Deal found 2/1![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/43:45 pm
SAN
- PDX
1 stop7h 59m
Alaska Airlines
Sun 3/83:52 pm
PDX
- SAN
1 stop7h 11m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 2/122:38 pm
SAN
- BLI
1 stop21h 37m
Multiple Airlines
Sun 2/156:00 am
BLI
- SAN
1 stop9h 17m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:39 pm
SAN
- SEA
Nonstop3h 07m
Delta
Sun 5/109:45 am
SEA
- SAN
Nonstop2h 57m
Delta
Deal found 1/31![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/57:00 am
SAN
- PDX
Nonstop2h 50m
Alaska Airlines
Sun 3/810:30 am
PDX
- SAN
Nonstop2h 38m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$197
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/141:09 pm
SAN
- PSC
1 stop6h 49m
American Airlines
Mon 2/161:56 pm
PSC
- SAN
1 stop4h 56m
American Airlines
Deal found 2/2![American Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/216:50 pm
SAN
- SEA
Nonstop3h 15m
Delta
Tue 3/247:20 am
SEA
- SAN
Nonstop2h 57m
Delta
Deal found 1/31![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/247:17 pm
SAN
- PAE
Nonstop3h 13m
Alaska Airlines
Sun 4/267:38 am
PAE
- SAN
Nonstop2h 50m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/146:30 am
SAN
- PSC
1 stop7h 13m
United Airlines
Mon 2/165:00 am
PSC
- SAN
1 stop7h 57m
United Airlines
Deal found 2/2![United Airlines logo]()
$402
Last-minute flights from San Diego to WashingtonDiscover last-minute flight deals from San Diego to Washington. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Washington. Data last updated February 4, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 2/249:00 pm
SAN
- SEA
1 stop16h 17m
Alaska Airlines
Wed 2/253:40 pm
SEA
- SAN
Nonstop2h 50m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:11 am
SAN
- SEA
1 stop28h 50m
Frontier
Sun 3/112:00 pm
SEA
- SAN
1 stop12h 08m
Frontier
Deal found 2/3![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/266:25 am
SAN
- SEA
1 stop25h 48m
Frontier
Mon 3/212:30 pm
SEA
- SAN
1 stop11h 38m
Frontier
Deal found 2/1![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 2/262:38 pm
SAN
- SEA
1 stop18h 13m
Frontier
Sun 3/112:00 pm
SEA
- SAN
1 stop12h 08m
Frontier
Deal found 2/3![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 2/278:20 pm
SAN
- SEA
1 stop13h 57m
Frontier
Mon 3/210:06 am
SEA
- SAN
1 stop13h 41m
Frontier
Deal found 2/3![Frontier logo]()
$144
This SmartFares deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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.
Tue 3/39:00 pm
SAN
- GEG
Nonstop2h 59m
Hawaiian Airlines
Tue 3/107:00 am
GEG
- SAN
Nonstop2h 55m
Hawaiian Airlines
Deal found 2/3![Hawaiian Airlines logo]()
$120
This Travelocity deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/39:00 pm
SAN
- GEG
Nonstop2h 59m
Alaska Airlines
Tue 3/107:00 am
GEG
- SAN
Nonstop2h 55m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:45 am
SAN
- SEA
1 stop27h 16m
Frontier
Mon 3/99:36 pm
SEA
- SAN
1 stop15h 37m
Frontier
Deal found 2/3![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/511:59 am
SAN
- SEA
1 stop23h 20m
Frontier
Mon 3/99:36 pm
SEA
- SAN
1 stop15h 37m
Frontier
Deal found 2/1![Frontier logo]()
$123
This SmartFares deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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.
Sat 3/77:26 pm
SAN
- SEA
Nonstop3h 13m
Hawaiian Airlines
Wed 3/1110:30 am
SEA
- SAN
Nonstop2h 50m
Hawaiian Airlines
Deal found 2/1![Hawaiian Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/113:16 pm
SAN
- SEA
1 stop5h 47m
Frontier
Mon 3/169:36 pm
SEA
- SAN
1 stop15h 37m
Frontier
Deal found 2/1![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/252:50 pm
SAN
- SEA
1 stop6h 13m
Frontier
Mon 3/309:40 pm
SEA
- SAN
1 stop15h 33m
Frontier
Deal found 2/3![Frontier logo]()
$127
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 February 4, 2026.
Search for one-way flight options from San Diego to Washington. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Trip.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/118:25 am
SAN
- GEG
1 stop26h 22m
Frontier
Deal found 2/3![Frontier logo]()
$68
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/49:00 pm
SAN
- GEG
Nonstop2h 59m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:45 am
SAN
- GEG
1 stop26h 42m
Frontier
Deal found 2/3![Frontier logo]()
$74
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:23 pm
SAN
- GEG
1 stop23h 51m
Frontier
Deal found 2/2![Frontier logo]()
$76
This Alaska Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 5/27:00 am
SAN
- PDX
Nonstop2h 48m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/22:00 pm
SAN
- SEA
1 stop28h 18m
Frontier
Deal found 2/1![Frontier logo]()
$79
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/316:15 am
SAN
- GEG
1 stop6h 30m
Delta
Deal found 2/4![Delta logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 5/43:20 pm
SAN
- PDX
2 stops21h 42m
Frontier
Deal found 2/3![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/156:25 am
SAN
- PDX
1 stop28h 44m
Frontier
Deal found 2/3![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 4/266:25 am
SAN
- SEA
1 stop27h 02m
Frontier
Deal found 1/31![Frontier logo]()
$81
This Southwest deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 4/73:00 pm
SAN
- SEA
Nonstop3h 00m
Southwest
Deal found 2/2![Southwest logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/56:25 am
SAN
- PDX
1 stop28h 38m
Frontier
Deal found 2/4![Frontier logo]()
$84
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 February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $120 (SmartFares) |
One-way from | $68 (Trip.com) |
Popular in | July |
Cheapest in | February |
Average price | $207 |
Good round-trip deal | $167 or less |
Good one-way deal | $99 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 February 4, 2026.
Use the filters below to find and compare flights from San Diego to Washington that are best for you.
Fly from
San Diego
Fly to
Washington
Route
Depart
Return
Price
San DiegoSpokane
SAN - GEG
SANGEG
San Diego
Sat 2/28
5:20 pm-10:42 pm
1 stop5h 22m
Spokane
Tue 3/3
5:00 am-10:04 am
1 stop5h 04m
$157
San DiegoPortland
SAN - PDX
SANPDX
San Diego
Wed 2/25
3:07 pm-8:48 pm
1 stop5h 41m
Portland
Sat 2/28
2:31 pm-5:07 pm
Nonstop2h 36m
$167
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Fri 5/1
7:35 pm-10:53 pm
Nonstop3h 18m
Seattle/Tacoma Intl
Mon 5/4
10:22 am-1:27 pm
Nonstop3h 05m
$176
San DiegoPortland
SAN - PDX
SANPDX
San Diego
Tue 3/10
6:00 pm-10:00 pm
1 stop4h 00m
Portland
Sat 3/14
6:20 pm-10:50 pm
1 stop4h 30m
$177
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Thu 3/19
3:40 pm-6:50 pm
Nonstop3h 10m
Seattle/Tacoma Intl
Sun 3/22
7:20 am-10:17 am
Nonstop2h 57m
$177
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Wed 3/11
7:30 am-10:38 am
Nonstop3h 08m
Seattle/Tacoma Intl
Mon 3/16
7:20 am-10:17 am
Nonstop2h 57m
$177
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Thu 2/26
8:26 pm-11:40 pm
Nonstop3h 14m
Seattle/Tacoma Intl
Sat 2/28
8:55 pm-11:44 pm
Nonstop2h 49m
$177
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Fri 5/15
3:45 pm-7:01 pm
Nonstop3h 16m
Seattle/Tacoma Intl
Mon 5/18
9:45 am-12:42 pm
Nonstop2h 57m
$177
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Fri 3/6
7:20 am-10:36 am
Nonstop3h 16m
Seattle/Tacoma Intl
Sun 3/15
7:35 pm-10:28 pm
Nonstop2h 53m
$177
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Thu 5/14
1:39 pm-4:46 pm
Nonstop3h 07m
Seattle/Tacoma Intl
Tue 5/19
7:41 pm-10:32 pm
Nonstop2h 51m
$177
Showing 1-10 of 60 results
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-PSC
SAN-BLI
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-PDX
SAN-PSC
SAN-BLI
What is the cheapest month to book a flight from San Diego to State of Washington?
Currently, April is the cheapest month in which you can book a flight from San Diego to State of Washington (average of $48). Flying from San Diego to State of Washington in July is currently the most expensive (average of $118). 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 February 4, 2026.
It’s optimal to fly from San Diego to State of Washington in the morning. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the evening.
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 January 31, 2026.
Travelers seeking maximum savings on their San Diego to State of Washington flight should consider departing on Tuesday mornings 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.
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 February 4, 2026.
The most flights from SAN to USWA are scheduled on a Monday (49 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (20 on average).
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated February 4, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Food
7.1
Comfort
7.8
Entertainment
7.0
Overall
8.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Food
7.1
Comfort
7.8
Entertainment
7.0
Overall
8.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Food
7.1
Comfort
7.8
Entertainment
7.0
Overall
8.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Food
7.1
Comfort
7.8
Entertainment
7.0
Overall
8.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Food
7.1
Comfort
7.8
Entertainment
7.0
Overall
8.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Food
7.1
Comfort
7.8
Entertainment
7.0
Overall
8.0
Boarding
8.1
Crew
8.5
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 February 4, 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 8 airlines flying from San Diego to Washington
Discover the top 8 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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$155 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$98 | Average$148 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$103 | Average$195 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$119 | Average$297 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$341 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$139 | Average$378 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$156 | Average$295 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$225 | Average$431 | FlexibilityNo cancel fee | On-time71% |