$190+ Cheap flights from Washington, D.C. (WAS) to San Luis Obispo (SBP)
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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SBP
Jun 15 — Jun 221
Round-trip
1 adult, Economy
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Cheapest flights from Washington, D.C. to San Luis ObispoExplore the most affordable flight options available from Washington, D.C. to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.
Explore the most affordable flight options available from Washington, D.C. to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:36 am
DCA
- SBP
1 stop7h 11m
American Airlines
Tue 7/77:02 pm
SBP
- DCA
1 stop9h 12m
American Airlines
Deal found 5/13![American Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:18 pm
DCA
- SBP
2 stops10h 32m
American Airlines
Tue 7/77:02 pm
SBP
- DCA
1 stop9h 12m
American Airlines
Deal found 5/12![American Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:01 pm
DCA
- SBP
1 stop7h 49m
American Airlines
Tue 8/1112:29 pm
SBP
- DCA
1 stop8h 29m
American Airlines
Deal found 5/15![American Airlines logo]()
$369
This Expedia deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:29 pm
IAD
- SBP
1 stop7h 21m
Alaska Airlines
Tue 9/223:24 pm
SBP
- IAD
1 stop23h 50m
Alaska Airlines
Deal found 5/16![Alaska Airlines logo]()
$369
This Expedia deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:16 pm
BWI
- SBP
1 stop18h 22m
Alaska Airlines
Tue 9/225:34 pm
SBP
- BWI
1 stop19h 00m
Alaska Airlines
Deal found 5/16![Alaska Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:24 am
IAD
- SBP
1 stop8h 21m
American Airlines
Tue 9/224:36 pm
SBP
- IAD
2 stops14h 56m
American Airlines
Deal found 5/15![American Airlines logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:53 pm
IAD
- SBP
1 stop24h 24m
Alaska Airlines
Thu 7/236:04 am
SBP
- IAD
1 stop9h 41m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:02 am
BWI
- SBP
2 stops9h 45m
American Airlines
Tue 7/77:02 pm
SBP
- BWI
2 stops11h 24m
American Airlines
Deal found 5/16![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:30 am
IAD
- SBP
1 stop9h 39m
United Airlines
Sat 6/62:06 pm
SBP
- IAD
1 stop7h 49m
United Airlines
Deal found 5/13![United Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:54 am
BWI
- SBP
2 stops10h 25m
American Airlines
Tue 9/226:22 am
SBP
- BWI
2 stops10h 05m
American Airlines
Deal found 5/16![American Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:23 am
IAD
- SBP
1 stop8h 21m
American Airlines
Tue 7/77:02 pm
SBP
- IAD
2 stops10h 47m
American Airlines
Deal found 5/12![American Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:15 am
IAD
- SBP
1 stop8h 45m
American Airlines
Tue 6/166:52 pm
SBP
- IAD
2 stops10h 58m
American Airlines
Deal found 5/11![American Airlines logo]()
$411
Best flights from Washington, D.C. to San Luis ObispoDiscover carefully curated flight deals from Washington, D.C. to San Luis Obispo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 16, 2026.
Discover carefully curated flight deals from Washington, D.C. to San Luis Obispo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:24 pm
IAD
- SBP
1 stop7h 19m
Alaska Airlines
Sat 10/3110:09 am
SBP
- IAD
1 stop10h 50m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:51 pm
IAD
- SBP
1 stop10h 21m
United Airlines
Sat 5/306:00 am
SBP
- IAD
1 stop7h 26m
United Airlines
Deal found 5/11![United Airlines logo]()
$436
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:15 am
IAD
- SBP
2 stops15h 05m
American Airlines
Tue 6/166:52 pm
SBP
- IAD
2 stops10h 58m
American Airlines
Deal found 5/13![American Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:53 pm
IAD
- SBP
1 stop24h 24m
Alaska Airlines
Thu 7/236:04 am
SBP
- IAD
1 stop9h 41m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:23 pm
BWI
- SBP
1 stop7h 27m
United Airlines
Sat 5/3011:05 am
SBP
- BWI
2 stops10h 28m
United Airlines
Deal found 5/11![United Airlines logo]()
$442
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:59 am
DCA
- SBP
1 stop7h 40m
American Airlines
Sun 8/167:08 pm
SBP
- DCA
2 stops11h 21m
American Airlines
Deal found 5/11![American Airlines logo]()
$471
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:21 pm
BWI
- SBP
1 stop7h 23m
United Airlines
Wed 6/36:00 am
SBP
- BWI
1 stop8h 43m
United Airlines
Deal found 5/15![United Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:59 am
DCA
- SBP
1 stop11h 18m
Alaska Airlines
Thu 7/235:50 pm
SBP
- DCA
1 stop19h 10m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:59 pm
DCA
- SBP
2 stops10h 51m
United Airlines
Sat 5/306:25 am
SBP
- DCA
1 stop7h 22m
United Airlines
Deal found 5/11![United Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/223:20 pm
DCA
- SBP
2 stops10h 25m
American Airlines
Wed 7/112:52 pm
SBP
- DCA
1 stop8h 07m
American Airlines
Deal found 5/14![American Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:38 am
BWI
- SBP
1 stop8h 00m
United Airlines
Mon 8/106:05 pm
SBP
- BWI
1 stop10h 09m
United Airlines
Deal found 5/12![United Airlines logo]()
$452
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:00 am
IAD
- SBP
1 stop12h 34m
Alaska Airlines
Mon 6/87:27 pm
SBP
- IAD
1 stop25h 32m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$515
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:20 pm
DCA
- SBP
2 stops10h 25m
American Airlines
Thu 7/212:34 pm
SBP
- DCA
1 stop8h 25m
American Airlines
Deal found 5/12![American Airlines logo]()
$561
This Alaska Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:24 pm
IAD
- SBP
1 stop7h 19m
Alaska Airlines
Sun 10/1110:09 am
SBP
- IAD
1 stop10h 50m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:30 am
IAD
- SBP
1 stop8h 08m
United Airlines
Mon 7/68:28 pm
SBP
- IAD
1 stop7h 30m
United Airlines
Deal found 5/14![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:50 pm
BWI
- SBP
1 stop7h 54m
United Airlines
Thu 7/98:28 pm
SBP
- BWI
2 stops9h 59m
United Airlines
Deal found 5/14![United Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:59 am
DCA
- SBP
1 stop7h 40m
American Airlines
Sun 8/167:08 pm
SBP
- DCA
1 stop8h 52m
American Airlines
Deal found 5/11![American Airlines logo]()
$587
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:59 am
DCA
- SBP
1 stop8h 20m
Alaska Airlines
Mon 6/17:35 am
SBP
- DCA
1 stop29h 25m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:15 am
BWI
- SBP
1 stop8h 19m
United Airlines
Sat 10/316:55 pm
SBP
- BWI
2 stops13h 24m
United Airlines
Deal found 5/14![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:50 pm
BWI
- SBP
1 stop7h 54m
United Airlines
Mon 7/68:28 pm
SBP
- BWI
2 stops12h 19m
United Airlines
Deal found 5/14![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:42 am
IAD
- SBP
1 stop8h 11m
United Airlines
Sun 8/164:25 pm
SBP
- IAD
1 stop11h 27m
United Airlines
Deal found 5/11![United Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:00 pm
BWI
- SBP
2 stops11h 44m
United Airlines
Mon 6/86:05 pm
SBP
- BWI
2 stops12h 12m
United Airlines
Deal found 5/13![United Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:25 am
BWI
- SBP
2 stops11h 59m
United Airlines
Mon 6/86:05 pm
SBP
- BWI
2 stops12h 12m
United Airlines
Deal found 5/13![United Airlines logo]()
$619
Last-minute flights from Washington, D.C. to San Luis ObispoDiscover last-minute flight deals from Washington, D.C. to San Luis Obispo. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to San Luis Obispo. Data last updated May 16, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:51 pm
IAD
- SBP
1 stop10h 21m
United Airlines
Sat 5/306:00 am
SBP
- IAD
1 stop7h 26m
United Airlines
Deal found 5/11![United Airlines logo]()
$436
This Alaska Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:17 pm
BWI
- SBP
1 stop27h 41m
Alaska Airlines
Tue 6/27:35 am
SBP
- BWI
1 stop28h 42m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:00 am
DCA
- SBP
1 stop10h 01m
American Airlines
Sat 5/3012:51 pm
SBP
- DCA
1 stop8h 08m
American Airlines
Deal found 5/11![American Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:23 pm
BWI
- SBP
1 stop7h 27m
United Airlines
Sat 5/3011:05 am
SBP
- BWI
2 stops10h 28m
United Airlines
Deal found 5/11![United Airlines logo]()
$442
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:18 am
IAD
- SBP
1 stop8h 43m
American Airlines
Mon 6/86:52 pm
SBP
- IAD
2 stops10h 58m
American Airlines
Deal found 5/13![American Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:06 pm
IAD
- SBP
2 stops12h 39m
American Airlines
Mon 6/86:52 pm
SBP
- IAD
2 stops10h 58m
American Airlines
Deal found 5/13![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:30 am
IAD
- SBP
1 stop9h 39m
United Airlines
Sat 6/62:06 pm
SBP
- IAD
1 stop7h 49m
United Airlines
Deal found 5/13![United Airlines logo]()
$428
This Expedia deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:00 am
IAD
- SBP
1 stop12h 34m
Alaska Airlines
Sat 6/67:27 pm
SBP
- IAD
1 stop9h 07m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:30 am
IAD
- SBP
1 stop9h 39m
United Airlines
Sat 6/62:06 pm
SBP
- IAD
1 stop7h 49m
United Airlines
Deal found 5/13![United Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:00 am
DCA
- SBP
1 stop10h 01m
American Airlines
Sat 6/66:52 pm
SBP
- DCA
1 stop9h 08m
American Airlines
Deal found 5/13![American Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:01 am
BWI
- SBP
2 stops10h 00m
American Airlines
Sat 6/612:52 pm
SBP
- BWI
1 stop8h 26m
American Airlines
Deal found 5/13![American Airlines logo]()
$440
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:15 am
IAD
- SBP
1 stop8h 45m
American Airlines
Tue 6/166:52 pm
SBP
- IAD
2 stops10h 58m
American Airlines
Deal found 5/11![American Airlines logo]()
$411
One-way flights from Washington, D.C. to San Luis ObispoSearch for one-way flight options from Washington, D.C. to San Luis Obispo. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
Search for one-way flight options from Washington, D.C. to San Luis Obispo. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This Expedia deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:53 pm
IAD
- SBP
1 stop24h 24m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$190
This Expedia deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:53 pm
IAD
- SBP
1 stop24h 24m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$230
This Travelocity deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:44 pm
IAD
- SBP
1 stop18h 47m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$245
This Expedia deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:07 pm
BWI
- SBP
1 stop19h 03m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$245
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:19 pm
DCA
- SBP
1 stop26h 39m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$260
This Expedia deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:37 pm
IAD
- SBP
1 stop21h 42m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$260
This Alaska Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:59 am
DCA
- SBP
1 stop11h 18m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$280
This Expedia deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:48 am
BWI
- SBP
1 stop10h 46m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:00 pm
IAD
- SBP
1 stop24h 17m
Alaska Airlines
Deal found 5/13![Alaska Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/287:49 pm
IAD
- SBP
1 stop24h 28m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$344
This Travelocity deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:34 pm
BWI
- SBP
2 stops19h 57m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:59 am
DCA
- SBP
1 stop7h 45m
American Airlines
Deal found 5/16![American Airlines logo]()
$374
Find flight deals from Washington, D.C. to San Luis Obispo
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to San Luis Obispo (SBP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $352 (American Airlines) |
One-way from | $190 (Expedia) |
Popular in | June |
Cheapest in | January |
Average price | $471 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. to San Luis Obispo 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 May 16, 2026.
Use the filters below to find and compare flights from Washington, D.C. to San Luis Obispo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.San Luis Obispo
IAD - SBP
IADSBP
Washington, D.C. Dulles Intl
Tue 10/27
7:24 pm-11:43 pm
1 stop7h 19m
San Luis Obispo County
Sat 10/31
10:09 am-11:59 pm
1 stop10h 50m
$369
Washington, D.C.San Luis Obispo
IAD - SBP
IADSBP
Washington, D.C. Dulles Intl
Mon 7/20
7:53 pm-5:17 pm
1 stop24h 24m
San Luis Obispo County
Thu 7/23
6:04 am-6:45 pm
1 stop9h 41m
$369
Washington, D.C.San Luis Obispo
IAD - SBP
IADSBP
Washington, D.C. Dulles Intl
Fri 5/29
2:51 pm-10:12 pm
1 stop10h 21m
San Luis Obispo County
Sat 5/30
6:00 am-4:26 pm
1 stop7h 26m
$436
BaltimoreSan Luis Obispo
BWI - SBP
BWISBP
Baltimore/Washington
Fri 5/29
4:23 pm-8:50 pm
1 stop7h 27m
San Luis Obispo County
Sat 5/30
11:05 am-12:33 am
2 stops10h 28m
$442
Washington, D.C.San Luis Obispo
IAD - SBP
IADSBP
Washington, D.C. Dulles Intl
Sat 6/6
6:15 am-6:20 pm
2 stops15h 05m
San Luis Obispo County
Tue 6/16
6:52 pm-8:50 am
2 stops10h 58m
$449
BaltimoreSan Luis Obispo
BWI - SBP
BWISBP
Baltimore/Washington
Sat 5/30
7:21 pm-11:44 pm
1 stop7h 23m
San Luis Obispo County
Wed 6/3
6:00 am-5:43 pm
1 stop8h 43m
$449
Washington, D.C.San Luis Obispo
DCA - SBP
DCASBP
Washington, D.C. Reagan-National
Fri 5/29
12:59 pm-8:50 pm
2 stops10h 51m
San Luis Obispo County
Sat 5/30
6:25 am-4:47 pm
1 stop7h 22m
$450
BaltimoreSan Luis Obispo
BWI - SBP
BWISBP
Baltimore/Washington
Tue 8/4
6:38 am-11:38 am
1 stop8h 00m
San Luis Obispo County
Mon 8/10
6:05 pm-7:14 am
1 stop10h 09m
$452
Washington, D.C.San Luis Obispo
DCA - SBP
DCASBP
Washington, D.C. Reagan-National
Mon 7/20
8:59 am-5:17 pm
1 stop11h 18m
San Luis Obispo County
Thu 7/23
5:50 pm-4:00 pm
1 stop19h 10m
$464
Washington, D.C.San Luis Obispo
DCA - SBP
DCASBP
Washington, D.C. Reagan-National
Wed 8/12
6:59 am-11:39 am
1 stop7h 40m
San Luis Obispo County
Sun 8/16
7:08 pm-9:29 am
2 stops11h 21m
$471
Showing 1-10 of 48 resultsSorted by cheapest first
Compare providers for flights from Washington, D.C. to San Luis Obispo
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to San Luis Obispo in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C.-San Luis Obispo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-San Luis Obispo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-San Luis Obispo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C.-San Luis Obispo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-San Luis Obispo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Washington, D.C. to San Luis Obispo
Have a flexible travel schedule? Discover the best time to fly to San Luis Obispo from Washington, D.C. with our price prediction graph.
WAS-SBP
IAD-SBP
BWI-SBP
DCA-SBP
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 Washington, D.C. to San Luis Obispo
WAS-SBP
IAD-SBP
BWI-SBP
DCA-SBP
What is the cheapest month to book a flight from Washington, D.C. to San Luis Obispo?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to San Luis Obispo (average of $198). Flying from Washington, D.C. to San Luis Obispo in April is currently the most expensive (average of $422). 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.
How much does it cost to fly round-trip from Washington, D.C. to San Luis Obispo?
Reviews of airlines servicing San Luis Obispo
Get insights into the airlines that provide service to San Luis Obispo. 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 San Luis Obispo. Reviews last updated May 16, 2026.
Get a feel of what it's like to fly with Alaska Airlines,United Airlines, andAmerican Airlines from Washington, D.C. to San Luis Obispo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to San Luis Obispo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Luis Obispo?
Book flights to San Luis Obispo if you plan to visit one of these locationsMorro Bay
Cambria
Arroyo Grande
San Simeon
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Washington, D.C. and San Luis Obispo flights
Browse other Washington, D.C. and San Luis Obispo flight options. Last updated on May 16, 2026.
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Explore flights to San Luis Obispo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 16, 2026.
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Consider these flights traveling from Washington, D.C. to San Luis Obispo.
Top 2 airlines flying from Washington, D.C. to San Luis Obispo
Discover the top 2 airlines that operate flights from Washington, D.C. to San Luis Obispo. 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 May 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$343 | Average$608 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$420 | Average$532 | FlexibilityNo cancel fee | On-time69% |