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San Luis Obispo

$271+ Cheap flights from Reagan-National (DCA) 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SBP
Apr 28 — May 51
Tue 4/28
Tue 5/5
1 adult, Economy
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Cheap flight deals from Reagan-National to San Luis Obispo

Cheapest flights from Reagan-National to San Luis Obispo
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 March 29, 2026.

This American Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:15 pm
DCA
-
SBP
2 stops9h 55m
American Airlines
Wed 5/67:02 pm
SBP
-
DCA
2 stops11h 03m
American Airlines
Deal found 3/28$345
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 45m
American Airlines
Mon 8/1712:34 pm
SBP
-
DCA
1 stop7h 26m
American Airlines
Deal found 3/25$381
This American Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 6/165:00 am
DCA
-
SBP
1 stop10h 01m
American Airlines
Mon 6/296:52 pm
SBP
-
DCA
1 stop9h 08m
American Airlines
Deal found 3/29$385
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/171:45 pm
DCA
-
SBP
2 stops11h 25m
American Airlines
Tue 4/216:06 am
SBP
-
DCA
2 stops10h 50m
American Airlines
Deal found 3/27$399
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/186:00 am
DCA
-
SBP
1 stop9h 10m
American Airlines
Mon 4/207:02 pm
SBP
-
DCA
2 stops11h 03m
American Airlines
Deal found 3/26$414

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 March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$345
(American Airlines)

One-way from

$271
(Trip.com)

Popular in

September

Cheapest in

June

Average price

$639
Provider with most accurate pricing for Washington, D.C. Reagan-National-San Luis Obispo County flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-San Luis Obispo County flights.
Search Deals
From Washington, D.C. Reagan-National to San Luis Obispo County
Search Deals
One-way flight from Washington, D.C. Reagan-National to San Luis Obispo County
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 2,558,603 searches. Data last updated March 29, 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

Price

Cheapest round-trip

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Tue 6/16

5:00 am-12:01 pm

1 stop10h 01m

San Luis Obispo County

Mon 6/29

6:52 pm-7:00 am

1 stop9h 08m

$385
Quickest round-trip

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Wed 4/29

6:57 am-12:10 pm

1 stop8h 13m

San Luis Obispo County

Wed 5/6

7:02 pm-7:00 am

1 stop8h 58m

$389

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Fri 4/17

1:45 pm-10:10 pm

2 stops11h 25m

San Luis Obispo County

Tue 4/21

12:55 pm-11:59 pm

1 stop8h 04m

$407

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Sat 4/18

1:44 pm-10:10 pm

2 stops11h 26m

San Luis Obispo County

Mon 4/20

7:02 pm-9:05 am

2 stops11h 03m

$419

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Sat 5/23

11:56 am-6:22 pm

2 stops9h 26m

San Luis Obispo County

Tue 5/26

6:52 pm-7:00 am

1 stop9h 08m

$465

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Tue 5/5

8:59 am-2:59 pm

1 stop9h 00m

San Luis Obispo County

Sat 5/9

6:00 am-9:00 pm

1 stop12h 00m

$484
Cheapest one-way

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Thu 5/28

8:59 am-2:19 pm

1 stop8h 20m

$272

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Sun 4/26

8:59 am-2:59 pm

1 stop9h 00m

$275

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Thu 5/28

1:59 pm-11:53 pm

2 stops12h 54m

$364

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Wed 4/15

1:44 pm-10:10 pm

2 stops11h 26m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Reagan-National 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 Reagan-National to San Luis Obispo in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-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. Reagan-National Airport-San Luis Obispo flight deals on Cheapflights vs. FlightHub >95% 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 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. 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.
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. Reagan-National Airport to San Luis Obispo

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to San Luis Obispo?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Luis Obispo (average of $224). Flying from Washington, D.C. Reagan-National Airport to San Luis Obispo in November is currently the most expensive (average of $614). 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. Reagan-National Airport 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 March 29, 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.
American Airlines
7.1
Good
11,521 reviews

Entertainment

6.9

Boarding

7.5

Overall

7.1

Crew

7.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,521 reviews
American Airlines
7.1
Good
11,521 reviews

Entertainment

6.9

Boarding

7.5

Overall

7.1

Crew

7.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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.

  • What airport do you fly into for flights to San Luis Obispo from Washington, D.C. Reagan-National?

    If you book a flight to San Luis Obispo from Washington, D.C. Reagan-National, you will be flying to County, which is the city’s only airport. San Luis Obispo County (SBP) is located 3.3 mi from the center of San Luis Obispo. There are 0 flights from Washington, D.C. Reagan-National to County per day from 1 airline.

  • How long is the flight from Washington, D.C. Reagan-National Airport to San Luis Obispo?

    Departing from Washington, D.C. Reagan-National Airport to San Luis Obispo will take you 10h 01m. The distance from Washington, D.C. Reagan-National Airport to San Luis Obispo is about 2393 mi.

  • What is the cheapest airline to fly from Washington, D.C. Reagan-National Airport to San Luis Obispo round-trip?

    According to our current data, American Airlines ($335), offers the cheapest pricing from Washington, D.C. Reagan-National Airport to San Luis Obispo. American Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Reagan-National to San Luis Obispo that include hotel bookings?

    Yes. In addition to deals on Reagan-National to San Luis Obispo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to San Luis Obispo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to San Luis Obispo.

  • Can I find deals for business class flights from Reagan-National to San Luis Obispo?

    Yes. Cheapflights offers flight deals from Reagan-National to San Luis Obispo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to San Luis Obispo?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Luis Obispo (average of $224). Flying from Washington, D.C. Reagan-National Airport to San Luis Obispo in November is currently the most expensive (average of $614). 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.

See more FAQs

Traveling to a place near San Luis Obispo?

Book flights to San Luis Obispo if you plan to visit one of these locations
Morro Bay
Cambria
Arroyo Grande
Avila Beach

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Alternative routes for Reagan-National to San Luis Obispo

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$335Average$514FlexibilityNo cancel feeOn-time71%

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