$215+ Cheap flights from Reagan-National (DCA) to San Luis Obispo (SBP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SBP
Dec 14 — Dec 211
Round-trip
1 adult, Economy
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Find cheap flights from Reagan-National 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
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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 Reagan-National to San Luis Obispo
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Cheapest flights from Reagan-National to San Luis ObispoExplore the most affordable flight options available from Reagan-National to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2026.
Explore the most affordable flight options available from Reagan-National to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2026.
This American Airlines deal was found by Cheapflights users on 11/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:00 am -
1 stop9h 43m
Sun 12/612:36 pm -
1 stop7h 10m
Deal found 11/10![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 11/13. 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 12/125:00 am -
1 stop9h 43m
Sun 12/137:20 pm -
1 stop8h 40m
Deal found 11/13![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/254:09 pm -
1 stop8h 01m
Fri 11/276:00 am -
1 stop7h 45m
Deal found 11/11![United Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 11/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:00 am -
1 stop9h 58m
Sat 12/512:36 pm -
1 stop7h 10m
Deal found 11/10![American Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Sat 12/127:45 am -
1 stop11h 05m
Wed 12/166:15 am -
1 stop7h 38m
Deal found 11/11![United Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 11/12. 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 11/275:00 am -
1 stop9h 58m
Tue 12/17:19 pm -
1 stop8h 41m
Deal found 11/12![American Airlines logo]()
$568
This American Airlines deal was found by Cheapflights users on 11/11. 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 11/255:15 pm -
1 stop8h 06m
Fri 11/276:05 am -
2 stops9h 20m
Deal found 11/11![American Airlines logo]()
$600
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Sun 12/205:23 pm -
1 stop7h 47m
Wed 12/307:21 pm -
1 stop8h 39m
Deal found 11/9![American Airlines logo]()
$625
Best flights from Reagan-National to San Luis ObispoDiscover carefully curated flight deals from Reagan-National to San Luis Obispo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 14, 2026.
Discover carefully curated flight deals from Reagan-National to San Luis Obispo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 14, 2026.
This American Airlines deal was found by Cheapflights users on 11/13. 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 12/125:00 am -
1 stop9h 43m
Sun 12/137:20 pm -
1 stop8h 40m
Deal found 11/13![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Sat 12/127:45 am -
1 stop11h 05m
Wed 12/166:15 am -
1 stop7h 38m
Deal found 11/11![United Airlines logo]()
$559
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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.
Sat 1/3010:59 am -
1 stop15h 43m
Wed 2/36:00 am -
1 stop12h 00m
Deal found 11/10![Alaska Airlines logo]()
$563
This American Airlines deal was found by Cheapflights users on 11/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/31:45 pm -
2 stops11h 25m
Mon 5/107:02 pm -
1 stop8h 58m
Deal found 11/10![American Airlines logo]()
$555
This American Airlines deal was found by Cheapflights users on 11/12. 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 11/275:00 am -
1 stop9h 58m
Tue 12/17:19 pm -
1 stop8h 41m
Deal found 11/12![American Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 11/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/204:01 pm -
1 stop8h 04m
Wed 12/305:00 am -
1 stop6h 59m
Deal found 11/9![United Airlines logo]()
$627
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/194:01 pm -
1 stop8h 04m
Thu 12/245:00 am -
1 stop6h 59m
Deal found 11/13![United Airlines logo]()
$642
This American Airlines deal was found by Cheapflights users on 11/11. 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 11/255:15 pm -
1 stop8h 06m
Fri 11/276:05 am -
2 stops9h 20m
Deal found 11/11![American Airlines logo]()
$600
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Tue 12/15:00 am -
1 stop9h 58m
Fri 1/17:21 pm -
1 stop8h 39m
Deal found 11/12![American Airlines logo]()
$662
Last-minute flights from Reagan-National to San Luis ObispoDiscover last-minute flight deals from Reagan-National to San Luis Obispo. Data last updated November 14, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to San Luis Obispo. Data last updated November 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:00 am -
1 stop9h 58m
Sat 12/512:36 pm -
1 stop7h 10m
Deal found 11/10![American Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/254:09 pm -
1 stop8h 01m
Fri 11/276:00 am -
1 stop7h 45m
Deal found 11/11![United Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 11/11. 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 11/255:15 pm -
1 stop8h 06m
Fri 11/276:05 am -
2 stops9h 20m
Deal found 11/11![American Airlines logo]()
$600
This American Airlines deal was found by Cheapflights users on 11/12. 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 11/275:00 am -
1 stop9h 58m
Tue 12/17:19 pm -
1 stop8h 41m
Deal found 11/12![American Airlines logo]()
$568
This American Airlines deal was found by Cheapflights users on 11/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:00 am -
1 stop9h 43m
Sun 12/612:36 pm -
1 stop7h 10m
Deal found 11/10![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 11/13. 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 12/125:00 am -
1 stop9h 43m
Sun 12/137:20 pm -
1 stop8h 40m
Deal found 11/13![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Sat 12/127:45 am -
1 stop11h 05m
Wed 12/166:15 am -
1 stop7h 38m
Deal found 11/11![United Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Sun 12/205:23 pm -
1 stop7h 47m
Wed 12/307:21 pm -
1 stop8h 39m
Deal found 11/9![American Airlines logo]()
$625
One-way flights from Reagan-National to San Luis ObispoSearch for one-way flight options from Reagan-National to San Luis Obispo. Find affordable one-way fares based on user searches. Data last updated November 14, 2026.
Search for one-way flight options from Reagan-National to San Luis Obispo. Find affordable one-way fares based on user searches. Data last updated November 14, 2026.
This Expedia deal was found by Cheapflights users on 11/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:20 pm -
1 stop29h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Alaska Airlines logo]()
$215
This Expedia deal was found by Cheapflights users on 11/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/15:05 pm -
1 stop22h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/13![Alaska Airlines logo]()
$225
This Expedia deal was found by Cheapflights users on 11/9. 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.
Mon 1/45:10 pm -
1 stop22h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Alaska Airlines logo]()
$255
This Priceline deal was found by Cheapflights users on 11/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/310:59 am -
1 stop8h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Alaska Airlines logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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.
Wed 12/28:00 am -
1 stop13h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Alaska Airlines logo]()
$354
Find flight deals from Reagan-National to San Luis Obispo
Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 November 14, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $419 (American Airlines) |
One-way from | $215 (Expedia) |
Popular in | October |
Cheapest in | May |
Average price | $578 |
Cheapflights Fare Finder
Customize your flight search to find flights from Reagan-National 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 7,457,451 searches. Data last updated November 14, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport 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
DCA Washington, D.C. Reagan-National - SBP San Luis Obispo County
DCASBP
Washington, D.C. Reagan-National
Sat 12/5
5:20 pm-7:54 pm
1 stop29h 34m
San Luis Obispo County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$215
Washington, D.C.San Luis Obispo
DCA Washington, D.C. Reagan-National - SBP San Luis Obispo County
DCASBP
Washington, D.C. Reagan-National
Mon 1/4
5:10 pm-12:54 pm
1 stop22h 44m
San Luis Obispo County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$255
Washington, D.C.San Luis Obispo
DCA Washington, D.C. Reagan-National - SBP San Luis Obispo County
DCASBP
Washington, D.C. Reagan-National
Sun 1/3
10:59 am-4:36 pm
1 stop8h 37m
San Luis Obispo County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$315
Washington, D.C.San Luis Obispo
DCA Washington, D.C. Reagan-National - SBP San Luis Obispo County
DCASBP
Washington, D.C. Reagan-National
Wed 12/2
8:00 am-6:26 pm
1 stop13h 26m
San Luis Obispo County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$354
Washington, D.C.San Luis Obispo
DCA Washington, D.C. Reagan-National - SBP San Luis Obispo County
DCASBP
Washington, D.C. Reagan-National
Sun 3/28
10:59 am-11:14 pm
1 stop15h 15m
San Luis Obispo County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$391
Washington, D.C.San Luis Obispo
DCA Washington, D.C. Reagan-National - SBP San Luis Obispo County
DCASBP
Washington, D.C. Reagan-National
Wed 12/2
10:20 am-6:46 pm
2 stops11h 26m
San Luis Obispo County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$404
Washington, D.C.San Luis Obispo
DCA Washington, D.C. Reagan-National - SBP San Luis Obispo County
DCASBP
Washington, D.C. Reagan-National
Tue 12/29
5:00 am-11:54 am
1 stop9h 54m
San Luis Obispo County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$404
Washington, D.C.San Luis Obispo
DCA Washington, D.C. Reagan-National - SBP San Luis Obispo County
DCASBP
Washington, D.C. Reagan-National
Thu 12/31
5:00 am-11:54 am
2 stops9h 54m
San Luis Obispo County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$409
Washington, D.C.San Luis Obispo
DCA Washington, D.C. Reagan-National - SBP San Luis Obispo County
DCASBP
Washington, D.C. Reagan-National
Thu 11/19
10:59 am-11:43 pm
1 stop15h 44m
San Luis Obispo County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$411
Quickest round-trip
Washington, D.C.San Luis Obispo
DCA Washington, D.C. Reagan-National - SBP San Luis Obispo County
DCASBP
Washington, D.C. Reagan-National
Sat 12/19
4:01 pm-9:05 pm
1 stop8h 04m
San Luis Obispo County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$423
Showing 1-10 of 19 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-San Luis Obispo flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C. Reagan-National Airport-San Luis Obispo flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-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. Reagan-National Airport-San Luis Obispo flights, Cheapflights users trust Expedia the most. Expedia 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. Reagan-National Airport-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 Reagan-National to San Luis Obispo
Have a flexible travel schedule? Discover the best time to fly to San Luis Obispo from Reagan-National with our price prediction graph.
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.
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 November 14, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to San Luis Obispo, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.4
Boarding
7.4
Entertainment
6.8
Crew
7.9
Comfort
7.1
Overall
7.0
Reviews
1 / 20
6.0
GoodKristin,Jul 2026
DCA - PHX
Food
6.4
Boarding
7.4
Entertainment
6.8
Crew
7.9
Comfort
7.1
Overall
7.0
Reviews
1 / 20
6.0
GoodKristin,Jul 2026
DCA - PHX
Related info for your journey
Find useful and relevant information for your journey from Reagan-National 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
San Simeon
Arroyo Grande
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Complete your trip
Complete your trip to San Luis Obispo by adding a car rental and/or hotel reservation to your travel itinerary.
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Reagan-National and San Luis Obispo flights
Browse other Reagan-National and San Luis Obispo flight options. Last updated on November 14, 2026.
Other flights from Reagan-National
Browse through other flights departing from Reagan-National. Flights are based on user searches made on Cheapflights and were last updated on November 14, 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 November 14, 2026.
Top airline flying from Reagan-National to San Luis Obispo
Discover the top airline that operate flights from Reagan-National 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 7,457,451 searches. Data last updated November 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$329 | Average$497 | FlexibilityNo cancel fee | On-time71% |