$69+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
Mar 12 — Mar 191
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 February 10, 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 10, 2026.
This eDestinos deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 2/7![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 5/16:25 am
SAN
- SEA
1 stop27h 02m
Frontier
Sat 5/96:57 pm
SEA
- SAN
1 stop13h 37m
Frontier
Deal found 2/7![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:42 am
SAN
- SEA
1 stop21h 45m
Frontier
Wed 4/156:57 pm
SEA
- SAN
1 stop13h 37m
Frontier
Deal found 2/8![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 4/1510:00 am
SAN
- SEA
1 stop23h 27m
Frontier
Sun 4/266:57 pm
SEA
- SAN
1 stop13h 37m
Frontier
Deal found 2/6![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:42 am
SAN
- SEA
1 stop21h 45m
Frontier
Fri 4/176:57 pm
SEA
- SAN
1 stop25h 07m
Frontier
Deal found 2/8![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 2/276:25 am
SAN
- SEA
1 stop29h 36m
Frontier
Mon 3/212:00 pm
SEA
- SAN
1 stop7h 35m
Frontier
Deal found 2/7![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 2/7![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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.
Tue 3/242:50 pm
SAN
- SEA
1 stop6h 13m
Frontier
Tue 3/3110:08 pm
SEA
- SAN
1 stop15h 56m
Frontier
Deal found 2/7![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 5/812:36 pm
SAN
- SEA
1 stop20h 51m
Frontier
Sun 5/104:20 pm
SEA
- SAN
1 stop7h 41m
Frontier
Deal found 2/7![Frontier logo]()
$143
This Booking.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:23 pm
SAN
- SEA
1 stop22h 32m
Frontier
Mon 3/212:00 pm
SEA
- SAN
1 stop7h 35m
Frontier
Deal found 2/7![Frontier logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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
Mon 3/97:00 am
GEG
- SAN
Nonstop2h 55m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$157
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:07 pm
SAN
- PDX
1 stop11h 52m
Frontier
Sun 5/1011:48 am
PDX
- SAN
1 stop12h 13m
Frontier
Deal found 2/10![Frontier logo]()
$160
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 10, 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 10, 2026.
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/215:10 pm
SAN
- PDX
1 stop5h 15m
Southwest
Sat 3/282:30 pm
PDX
- SAN
Nonstop2h 25m
Southwest
Deal found 2/8![Southwest logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 4/287:00 am
SAN
- PDX
Nonstop2h 48m
Alaska Airlines
Sun 5/39:27 pm
PDX
- SAN
Nonstop2h 32m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/2811:57 am
SAN
- PDX
1 stop6h 58m
United Airlines
Tue 3/31:40 pm
PDX
- SAN
1 stop5h 08m
United Airlines
Deal found 2/6![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/63:25 pm
SAN
- SEA
Nonstop3h 15m
Delta
Sun 3/811:51 am
SEA
- SAN
Nonstop2h 53m
Delta
Deal found 2/9![Delta logo]()
$177
This Expedia deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia 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
Multiple Airlines
Sun 3/811:32 am
GEG
- SAN
1 stop20h 33m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$199
This Trip.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:15 am
SAN
- EAT
1 stop7h 36m
Hawaiian Airlines
Tue 3/312:31 pm
EAT
- SAN
1 stop7h 27m
Hawaiian Airlines
Deal found 2/9![Hawaiian Airlines logo]()
$292
This Southwest deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/302:30 pm
PDX
- SAN
Nonstop2h 25m
Southwest
Deal found 2/7![Southwest logo]()
$174
This Alaska Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:00 am
SAN
- PDX
Nonstop2h 50m
Alaska Airlines
Sun 3/159:26 pm
PDX
- SAN
Nonstop2h 33m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/510:59 am
SAN
- SEA
Nonstop3h 16m
Delta
Sat 3/71:45 pm
SEA
- SAN
Nonstop2h 39m
Delta
Deal found 2/6![Delta logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:10 pm
SAN
- PDX
2 stops6h 24m
United Airlines
Wed 4/17:15 am
PDX
- SAN
1 stop4h 40m
United Airlines
Deal found 2/8![United Airlines logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:07 pm
SAN
- PDX
1 stop5h 41m
Alaska Airlines
Sun 3/89:26 pm
PDX
- SAN
Nonstop2h 33m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/6![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 5/75:55 pm
SAN
- PDX
1 stop7h 00m
Southwest
Mon 5/1111:35 am
PDX
- SAN
Nonstop2h 20m
Southwest
Deal found 2/6![Southwest logo]()
$181
This Alaska Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:40 pm
SAN
- SEA
Nonstop3h 14m
Alaska Airlines
Mon 5/186:00 am
SEA
- SAN
Nonstop2h 49m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 4/27:30 am
SAN
- SEA
Nonstop3h 10m
Delta
Wed 4/87:20 am
SEA
- SAN
Nonstop2h 57m
Delta
Deal found 2/6![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/107:55 am
SAN
- PDX
2 stops6h 35m
Southwest
Thu 3/125:00 am
PDX
- SAN
1 stop4h 30m
Southwest
Deal found 2/7![Southwest logo]()
$189
This Delta deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/17:20 am
SAN
- SEA
Nonstop3h 16m
Delta
Sun 3/87:20 am
SEA
- SAN
Nonstop2h 56m
Delta
Deal found 2/6![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:26 pm
SAN
- SEA
Nonstop3h 14m
Alaska Airlines
Tue 4/147:09 pm
SEA
- SAN
Nonstop2h 49m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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.
Tue 2/2412:55 pm
SAN
- GEG
1 stop8h 22m
United Airlines
Fri 2/274:02 pm
GEG
- SAN
1 stop6h 33m
United Airlines
Deal found 2/6![United Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:20 am
SAN
- SEA
Nonstop3h 14m
Delta
Mon 4/277:35 pm
SEA
- SAN
Nonstop2h 54m
Delta
Deal found 2/8![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:25 am
SAN
- PDX
1 stop9h 37m
Alaska Airlines
Thu 3/129:26 pm
PDX
- SAN
Nonstop2h 33m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 4/307:20 am
SAN
- SEA
Nonstop3h 14m
Delta
Mon 5/49:45 am
SEA
- SAN
Nonstop2h 53m
Delta
Deal found 2/7![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:00 pm
SAN
- GEG
2 stops6h 50m
Southwest
Tue 3/33:10 pm
GEG
- SAN
1 stop5h 40m
Southwest
Deal found 2/9![Southwest logo]()
$224
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:30 pm
SAN
- SEA
Nonstop3h 12m
Delta
Mon 3/911:51 am
SEA
- SAN
Nonstop2h 53m
Delta
Deal found 2/8![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:17 pm
SAN
- PAE
Nonstop3h 13m
Alaska Airlines
Sun 4/267:38 am
PAE
- SAN
Nonstop2h 50m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 4/47:30 am
SAN
- SEA
Nonstop3h 10m
Delta
Tue 4/77:55 pm
SEA
- SAN
Nonstop2h 53m
Delta
Deal found 2/6![Delta logo]()
$177
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:20 am
SAN
- SEA
Nonstop3h 14m
Delta
Sun 4/2611:45 am
SEA
- SAN
Nonstop2h 53m
Delta
Deal found 2/8![Delta logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:07 pm
SAN
- PAE
1 stop7h 43m
Alaska Airlines
Tue 4/147:09 pm
PAE
- SAN
1 stop13h 06m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$215
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/77:20 am
SAN
- GEG
1 stop5h 15m
Delta
Mon 3/93:25 pm
GEG
- SAN
1 stop7h 02m
Delta
Deal found 2/8![Delta logo]()
$177
This Expedia deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:56 pm
SAN
- GEG
Nonstop2h 56m
Alaska Airlines
Sat 6/63:10 pm
GEG
- SAN
1 stop6h 41m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$222
Last-minute flights from San Diego to WashingtonDiscover last-minute flight deals from San Diego to Washington. Data last updated February 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Washington. Data last updated February 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 2/266:36 pm
SAN
- SEA
1 stop13h 37m
Frontier
Sat 2/281:16 pm
SEA
- SAN
1 stop10h 52m
Frontier
Deal found 2/7![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 2/276:25 am
SAN
- SEA
1 stop29h 36m
Frontier
Mon 3/212:00 pm
SEA
- SAN
1 stop7h 35m
Frontier
Deal found 2/7![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/276:40 am
SAN
- SEA
1 stop13h 31m
Frontier
Sat 2/281:51 pm
SEA
- SAN
1 stop6h 02m
Frontier
Deal found 2/6![Frontier logo]()
$143
This Booking.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:23 pm
SAN
- SEA
1 stop22h 32m
Frontier
Mon 3/212:00 pm
SEA
- SAN
1 stop7h 35m
Frontier
Deal found 2/7![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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
Fri 3/612:24 pm
SEA
- SAN
1 stop11h 44m
Frontier
Deal found 2/6![Frontier logo]()
$149
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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
Mon 3/97:00 am
GEG
- SAN
Nonstop2h 55m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:40 pm
SAN
- PDX
1 stop4h 55m
Southwest
Wed 4/12:30 pm
PDX
- SAN
Nonstop2h 25m
Southwest
Deal found 2/8![Southwest logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 2/9![Frontier logo]()
$137
This Southwest deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/511:05 am
SAN
- PDX
Nonstop2h 40m
Southwest
Tue 3/102:30 pm
PDX
- SAN
Nonstop2h 25m
Southwest
Deal found 2/7![Southwest logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:07 pm
SAN
- PDX
1 stop12h 06m
Frontier
Sun 3/1512:04 pm
PDX
- SAN
1 stop12h 04m
Frontier
Deal found 2/8![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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.
Tue 3/242:50 pm
SAN
- SEA
1 stop6h 13m
Frontier
Tue 3/3110:08 pm
SEA
- SAN
1 stop15h 56m
Frontier
Deal found 2/7![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Tue 4/1410:42 am
SEA
- SAN
2 stops12h 24m
Frontier
Deal found 2/8![Frontier logo]()
$150
One-way flights from San Diego to WashingtonSearch for one-way flight options from San Diego to Washington. Find affordable one-way fares based on user searches. Data last updated February 10, 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 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:00 pm
SAN
- GEG
Nonstop2h 59m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$69
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:01 pm
SAN
- GEG
1 stop6h 49m
Delta
Deal found 2/9![Delta logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:29 pm
SAN
- PDX
2 stops24h 33m
Frontier
Deal found 2/9![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:28 pm
SAN
- SEA
1 stop11h 59m
Frontier
Deal found 2/9![Frontier logo]()
$80
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:24 am
SAN
- GEG
1 stop7h 24m
American Airlines
Deal found 2/9![American Airlines logo]()
$80
This WAYA deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:50 pm
SAN
- SEA
1 stop6h 13m
Frontier
Deal found 2/6![Frontier logo]()
$82
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:45 am
SAN
- SEA
Nonstop3h 05m
Southwest
Deal found 2/9![Southwest logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 2/10![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:42 am
SAN
- SEA
1 stop21h 45m
Frontier
Deal found 2/9![Frontier logo]()
$84
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/77:20 am
SAN
- GEG
1 stop5h 15m
Delta
Deal found 2/9![Delta logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/129:07 pm
SAN
- SEA
1 stop20h 32m
Frontier
Deal found 2/7![Frontier logo]()
$85
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:07 pm
SAN
- PDX
1 stop11h 52m
Frontier
Deal found 2/10![Frontier logo]()
$86
Find flight deals from San Diego to Washington
Keep the following information in mind while searching for San Diego to Washington flight deals. Data was last updated February 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $126 (eDestinos) |
One-way from | $69 (Alaska Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $208 |
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 10, 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 DiegoPortland
SAN - PDX
SANPDX
San Diego
Sat 3/21
5:10 pm-10:25 pm
1 stop5h 15m
Portland
Sat 3/28
2:30 pm-4:55 pm
Nonstop2h 25m
$167
San DiegoPortland
SAN - PDX
SANPDX
San Diego
Wed 3/25
6:30 am-11:05 am
1 stop4h 35m
Portland
Mon 3/30
2:30 pm-4:55 pm
Nonstop2h 25m
$174
San DiegoPortland
SAN - PDX
SANPDX
San Diego
Tue 4/28
7:00 am-9:48 am
Nonstop2h 48m
Portland
Sun 5/3
9:27 pm-11:59 pm
Nonstop2h 32m
$177
San DiegoPortland
SAN - PDX
SANPDX
San Diego
Sat 2/28
11:57 am-6:55 pm
1 stop6h 58m
Portland
Tue 3/3
1:40 pm-6:48 pm
1 stop5h 08m
$177
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Fri 3/6
3:25 pm-6:40 pm
Nonstop3h 15m
Seattle/Tacoma Intl
Sun 3/8
11:51 am-2:44 pm
Nonstop2h 53m
$177
San DiegoPortland
SAN - PDX
SANPDX
San Diego
Mon 3/9
7:00 am-9:50 am
Nonstop2h 50m
Portland
Sun 3/15
9:26 pm-11:59 pm
Nonstop2h 33m
$177
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Thu 3/5
10:59 am-2:15 pm
Nonstop3h 16m
Seattle/Tacoma Intl
Sat 3/7
1:45 pm-4:24 pm
Nonstop2h 39m
$177
San DiegoPortland
SAN - PDX
SANPDX
San Diego
Wed 3/4
3:07 pm-8:48 pm
1 stop5h 41m
Portland
Sun 3/8
9:26 pm-11:59 pm
Nonstop2h 33m
$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
San DiegoSeattle
SAN - SEA
SANSEA
San Diego
Fri 5/15
8:40 pm-11:54 pm
Nonstop3h 14m
Seattle/Tacoma Intl
Mon 5/18
6:00 am-8:49 am
Nonstop2h 49m
$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-PDX
SAN-SEA
SAN-GEG
SAN-EAT
SAN-PAE
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Diego to Washington
SAN-USWA
SAN-PDX
SAN-SEA
SAN-GEG
SAN-EAT
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 $125). 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 10, 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 18% on the cost of your flight, compared to a flight at noon.
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 February 7, 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.
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 10, 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.
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Comfort
7.8
Boarding
8.1
Food
7.1
Crew
8.5
Overall
8.0
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 February 10, 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$79 | Average$155 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$98 | Average$148 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$103 | Average$193 | 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$385 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$156 | Average$291 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$225 | Average$431 | FlexibilityNo cancel fee | On-time71% |