$185+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SBP
Aug 4 — Aug 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Washington, D.C. to San Luis Obispo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington, D.C. to San Luis Obispo
Cheapest
Best
Last-minute
One-way
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 July 5, 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 July 5, 2026.
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
DCA
- SBP
1 stop9h 39m
American Airlines
Sun 8/307:08 pm
SBP
- DCA
1 stop8h 52m
American Airlines
Deal found 7/1![American Airlines logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 10/287:24 pm
IAD
- SBP
1 stop7h 19m
Alaska Airlines
Sat 10/316:08 am
SBP
- IAD
1 stop8h 45m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:18 pm
BWI
- SBP
1 stop7h 37m
United Airlines
Sat 9/266:00 am
SBP
- BWI
1 stop8h 39m
United Airlines
Deal found 7/1![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 9/94:18 pm
BWI
- SBP
1 stop7h 37m
United Airlines
Mon 9/144:25 pm
SBP
- BWI
2 stops11h 50m
United Airlines
Deal found 6/30![United Airlines logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 8/77:53 pm
IAD
- SBP
1 stop24h 24m
Alaska Airlines
Fri 8/146:04 am
SBP
- IAD
1 stop9h 41m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 7/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:00 am
DCA
- SBP
1 stop9h 39m
American Airlines
Mon 8/1712:29 pm
SBP
- DCA
1 stop8h 29m
American Airlines
Deal found 7/4![American Airlines logo]()
$427
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:09 am
IAD
- SBP
1 stop8h 30m
American Airlines
Sun 8/3012:29 pm
SBP
- IAD
1 stop7h 23m
American Airlines
Deal found 7/1![American Airlines logo]()
$427
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/45:00 am
DCA
- SBP
1 stop9h 43m
American Airlines
Tue 8/1112:29 pm
SBP
- DCA
1 stop8h 29m
American Airlines
Deal found 6/30![American Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 11/47:00 am
BWI
- SBP
1 stop14h 01m
Alaska Airlines
Thu 11/124:41 pm
SBP
- BWI
1 stop9h 59m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 7/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:02 am
BWI
- SBP
1 stop8h 41m
American Airlines
Thu 11/1212:28 pm
SBP
- BWI
1 stop7h 26m
American Airlines
Deal found 7/4![American Airlines logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 9/104:43 pm
BWI
- SBP
1 stop27h 11m
Alaska Airlines
Fri 9/187:33 am
SBP
- BWI
1 stop29h 07m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$449
This Expedia deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 9/97:00 am
IAD
- SBP
2 stops16h 01m
Alaska Airlines
Mon 9/143:24 pm
SBP
- IAD
1 stop23h 50m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$450
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 July 5, 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 July 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 10/287:24 pm
IAD
- SBP
1 stop7h 19m
Alaska Airlines
Sat 10/316:08 am
SBP
- IAD
1 stop8h 45m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:10 pm
BWI
- SBP
2 stops10h 47m
United Airlines
Sat 9/267:11 am
SBP
- BWI
2 stops11h 03m
United Airlines
Deal found 7/1![United Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:00 am
DCA
- SBP
1 stop9h 43m
American Airlines
Tue 8/1112:29 pm
SBP
- DCA
1 stop8h 29m
American Airlines
Deal found 7/1![American Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:40 pm
IAD
- SBP
1 stop8h 02m
Alaska Airlines
Thu 11/122:27 pm
SBP
- IAD
1 stop24h 13m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:30 am
BWI
- SBP
1 stop8h 43m
United Airlines
Sat 10/316:40 pm
SBP
- BWI
1 stop8h 18m
United Airlines
Deal found 7/3![United Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 11/47:00 am
BWI
- SBP
1 stop14h 01m
Alaska Airlines
Thu 11/124:41 pm
SBP
- BWI
1 stop9h 59m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 8/135:00 am
DCA
- SBP
1 stop9h 39m
American Airlines
Sun 8/167:08 pm
SBP
- DCA
2 stops11h 22m
American Airlines
Deal found 7/3![American Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:57 pm
DCA
- SBP
2 stops12h 16m
United Airlines
Sat 10/315:00 am
SBP
- DCA
1 stop6h 56m
United Airlines
Deal found 7/3![United Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/305:00 am
DCA
- SBP
1 stop9h 43m
American Airlines
Thu 8/612:29 pm
SBP
- DCA
1 stop8h 29m
American Airlines
Deal found 6/29![American Airlines logo]()
$526
This Alaska Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 10/113:36 pm
SBP
- IAD
1 stop23h 17m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 11/410:10 am
BWI
- SBP
2 stops14h 43m
United Airlines
Thu 11/124:25 pm
SBP
- BWI
1 stop10h 04m
United Airlines
Deal found 7/2![United Airlines logo]()
$484
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 July 5, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to San Luis Obispo. Data last updated July 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:38 am
BWI
- SBP
1 stop8h 00m
United Airlines
Mon 7/208:28 pm
SBP
- BWI
1 stop7h 42m
United Airlines
Deal found 7/1![United Airlines logo]()
$491
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/307:23 pm
BWI
- SBP
1 stop7h 21m
United Airlines
Thu 8/68:28 pm
SBP
- BWI
2 stops12h 19m
United Airlines
Deal found 7/2![United Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 8/47:53 pm
IAD
- SBP
1 stop24h 24m
Alaska Airlines
Tue 8/115:57 pm
SBP
- IAD
1 stop21h 48m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/45:00 am
DCA
- SBP
1 stop9h 43m
American Airlines
Tue 8/1112:29 pm
SBP
- DCA
1 stop8h 29m
American Airlines
Deal found 6/30![American Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 8/77:53 pm
IAD
- SBP
1 stop24h 24m
Alaska Airlines
Fri 8/146:04 am
SBP
- IAD
1 stop9h 41m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 7/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:00 am
DCA
- SBP
1 stop9h 39m
American Airlines
Mon 8/1712:29 pm
SBP
- DCA
1 stop8h 29m
American Airlines
Deal found 7/4![American Airlines logo]()
$427
This American Airlines deal was found by Cheapflights users on 7/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
BWI
- SBP
2 stops8h 52m
American Airlines
Mon 8/1712:29 pm
SBP
- BWI
1 stop8h 12m
American Airlines
Deal found 7/4![American Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/1612:29 pm
SBP
- DCA
1 stop8h 29m
American Airlines
Deal found 6/30![American Airlines logo]()
$468
This Expedia deal was found by Cheapflights users on 7/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:53 pm
IAD
- SBP
1 stop24h 24m
Alaska Airlines
Sat 8/223:24 pm
SBP
- IAD
2 stops23h 24m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$467
This Expedia deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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.
Fri 8/147:53 pm
IAD
- SBP
1 stop24h 24m
Alaska Airlines
Mon 8/175:57 pm
SBP
- IAD
1 stop21h 48m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
DCA
- SBP
1 stop9h 39m
American Airlines
Sun 8/307:08 pm
SBP
- DCA
1 stop8h 52m
American Airlines
Deal found 7/1![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:09 am
IAD
- SBP
1 stop8h 30m
American Airlines
Sun 8/3012:29 pm
SBP
- IAD
1 stop7h 23m
American Airlines
Deal found 7/1![American Airlines logo]()
$427
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 July 5, 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 July 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:35 pm
IAD
- SBP
1 stop7h 15m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$185
This Travelocity deal was found by Cheapflights users on 7/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:59 am
DCA
- SBP
1 stop15h 51m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$190
This Expedia deal was found by Cheapflights users on 7/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:59 am
DCA
- SBP
1 stop15h 15m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$245
This KAYAK deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/152:53 pm
IAD
- SBP
2 stops11h 47m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:53 pm
IAD
- SBP
2 stops11h 57m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/199:00 am
IAD
- SBP
2 stops13h 57m
United Airlines
Deal found 6/30![United Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/226:00 pm
IAD
- SBP
2 stops20h 53m
United Airlines
Deal found 6/30![United Airlines logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/186:03 am
IAD
- SBP
1 stop30h 28m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$316
This Expedia deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 8/55:16 pm
DCA
- SBP
1 stop26h 39m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 8/144:19 pm
BWI
- SBP
1 stop30h 43m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:00 am
IAD
- SBP
1 stop29h 31m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:16 am
IAD
- SBP
2 stops17h 44m
United Airlines
Deal found 6/30![United Airlines logo]()
$353
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 July 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (American Airlines) |
One-way from | $185 (Alaska Airlines) |
Popular in | July |
Cheapest in | May |
Average price | $641 |
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 July 5, 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
Quickest round-trip
Washington, D.C.San Luis Obispo
IAD - SBP
IADSBP
Washington, D.C. Dulles Intl
Wed 10/28
7:24 pm-11:43 pm
1 stop7h 19m
San Luis Obispo County
Sat 10/31
6:08 am-5:53 pm
1 stop8h 45m
$369
Washington, D.C.San Luis Obispo
IAD - SBP
IADSBP
Washington, D.C. Dulles Intl
Wed 11/4
6:40 pm-11:42 pm
1 stop8h 02m
San Luis Obispo County
Thu 11/12
2:27 pm-5:40 pm
1 stop24h 13m
$369
BaltimoreSan Luis Obispo
BWI - SBP
BWISBP
Baltimore/Washington
Tue 9/22
12:10 pm-7:57 pm
2 stops10h 47m
San Luis Obispo County
Sat 9/26
7:11 am-9:14 pm
2 stops11h 03m
$406
Washington, D.C.San Luis Obispo
DCA - SBP
DCASBP
Washington, D.C. Reagan-National
Tue 8/4
5:00 am-11:43 am
1 stop9h 43m
San Luis Obispo County
Tue 8/11
12:29 pm-11:58 pm
1 stop8h 29m
$433
BaltimoreSan Luis Obispo
BWI - SBP
BWISBP
Baltimore/Washington
Wed 11/4
7:00 am-6:01 pm
1 stop14h 01m
San Luis Obispo County
Thu 11/12
4:41 pm-5:40 am
1 stop9h 59m
$437
BaltimoreSan Luis Obispo
BWI - SBP
BWISBP
Baltimore/Washington
Tue 10/27
11:30 am-5:13 pm
1 stop8h 43m
San Luis Obispo County
Sat 10/31
6:40 pm-5:58 am
1 stop8h 18m
$479
Washington, D.C.San Luis Obispo
IAD - SBP
IADSBP
Washington, D.C. Dulles Intl
Thu 10/8
7:24 pm-11:43 pm
1 stop7h 19m
San Luis Obispo County
Sun 10/11
3:36 pm-5:53 pm
1 stop23h 17m
$481
Washington, D.C.San Luis Obispo
DCA - SBP
DCASBP
Washington, D.C. Reagan-National
Wed 10/28
12:57 pm-10:13 pm
2 stops12h 16m
San Luis Obispo County
Sat 10/31
5:00 am-2:56 pm
1 stop6h 56m
$484
BaltimoreSan Luis Obispo
BWI - SBP
BWISBP
Baltimore/Washington
Wed 11/4
10:10 am-9:53 pm
2 stops14h 43m
San Luis Obispo County
Thu 11/12
4:25 pm-5:29 am
1 stop10h 04m
$484
Washington, D.C.San Luis Obispo
DCA - SBP
DCASBP
Washington, D.C. Reagan-National
Thu 8/13
5:00 am-11:39 am
1 stop9h 39m
San Luis Obispo County
Sun 8/16
7:08 pm-9:30 am
2 stops11h 22m
$500
Showing 1-10 of 34 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 July.
| 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
DCA-SBP
IAD-SBP
BWI-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
DCA-SBP
IAD-SBP
BWI-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 $613). 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 July 5, 2026.
Get a feel of what it's like to fly with United Airlines and American 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.
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.7
Boarding
7.7
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.7
Boarding
7.7
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.7
Boarding
7.7
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
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 locationsCambria
Morro Bay
Arroyo Grande
San Simeon
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Washington, D.C.
Popular flights
San Luis Obispo flight routes
Top destinations
Alternative routes for Washington, D.C. to San Luis Obispo
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Luis Obispo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Washington, D.C. to San Luis Obispo by cabin class
Find flights from Washington, D.C. to San Luis Obispo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington, D.C. and San Luis Obispo flights
Browse other Washington, D.C. and San Luis Obispo flight options. Last updated on July 5, 2026.
Other flights from Washington, D.C.
Browse through other flights departing from Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on July 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Luis Obispo
Explore flights to San Luis Obispo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 5, 2026.
Washington, D.C. to San Luis Obispo flights
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 July 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$324 | Average$517 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$329 | Average$587 | FlexibilityNo cancel fee | On-time71% |