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 45% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in San Luis Obispo ranges from 0.0 - 4.0 inches per month. December is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit San Luis Obispo when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Luis Obispo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from DCA to SBP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to San Luis Obispo as you normally would.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-San Luis Obispo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-San Luis Obispo flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

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.

$206+ Flights from Washington, D.C. Reagan-National Airport to San Luis Obispo

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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 December 26, 2025.

Sat 12/275:59 pmDCA - SBP

1 stop8h 45mUnited Airlines

Thu 1/15:28 amSBP - DCA

1 stop8h 29mUnited Airlines

Deal found 12/26

$544

Mon 12/295:15 pmDCA - SBP

1 stop8h 09mAmerican Airlines

Thu 1/17:07 pmSBP - DCA

1 stop8h 53mAmerican Airlines

Deal found 12/26

$597

Sun 12/285:15 pmDCA - SBP

1 stop8h 09mAmerican Airlines

Thu 1/112:36 pmSBP - DCA

1 stop7h 23mAmerican Airlines

Deal found 12/26

$965

Sun 12/287:43 amDCA - SBP

2 stops11h 17mAmerican Airlines

Mon 12/297:07 pmSBP - DCA

1 stop8h 53mAmerican Airlines

Deal found 12/26

$970

Sat 12/277:43 amDCA - SBP

2 stops11h 17mAmerican Airlines

Thu 1/17:07 pmSBP - DCA

2 stops11h 13mAmerican Airlines

Deal found 12/26

$1,030

Best flights from Reagan-National to San Luis Obispo
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 December 26, 2025.

Sat 4/188:59 amDCA - SBP

1 stop17h 35mAlaska Airlines

Sat 4/256:00 amSBP - DCA

1 stop12h 00mAlaska Airlines

Deal found 12/26

$342

Sat 2/285:00 amDCA - SBP

2 stops10h 02mAmerican Airlines

Sat 3/712:52 pmSBP - DCA

1 stop7h 08mAmerican Airlines

Deal found 12/26

$374

Sat 2/288:59 amDCA - SBP

1 stop17h 18mAlaska Airlines

Sat 3/76:00 amSBP - DCA

1 stop12h 02mAlaska Airlines

Deal found 12/26

$342

Wed 1/218:00 amDCA - SBP

1 stop12h 37mAlaska Airlines

Fri 1/236:17 pmSBP - DCA

1 stop24h 42mAlaska Airlines

Deal found 12/24

$344

Thu 2/126:30 amDCA - SBP

1 stop8h 36mAmerican Airlines

Tue 2/1712:52 pmSBP - DCA

1 stop7h 08mAmerican Airlines

Deal found 12/24

$403

Sat 4/185:00 amDCA - SBP

2 stops9h 56mAmerican Airlines

Sat 4/2512:27 pmSBP - DCA

1 stop7h 32mAmerican Airlines

Deal found 12/26

$435

Thu 1/228:59 amDCA - SBP

1 stop10h 35mAlaska Airlines

Sun 1/256:00 amSBP - DCA

1 stop12h 00mAlaska Airlines

Deal found 12/24

$422

Last-minute flights from Reagan-National to San Luis Obispo
Discover last-minute flight deals from Reagan-National to San Luis Obispo. Data last updated December 26, 2025 and is based on user searches.

Sat 12/275:59 pmDCA - SBP

1 stop8h 45mUnited Airlines

Thu 1/15:28 amSBP - DCA

1 stop8h 29mUnited Airlines

Deal found 12/26

$544

Mon 12/295:15 pmDCA - SBP

1 stop8h 09mAmerican Airlines

Thu 1/17:07 pmSBP - DCA

1 stop8h 53mAmerican Airlines

Deal found 12/26

$597

Thu 1/155:59 pmDCA - SBP

1 stop8h 45mUnited Airlines

Mon 1/195:00 amSBP - DCA

1 stop6h 59mUnited Airlines

Deal found 12/25

$820

Wed 1/218:00 amDCA - SBP

1 stop12h 37mAlaska Airlines

Fri 1/236:17 pmSBP - DCA

1 stop24h 42mAlaska Airlines

Deal found 12/24

$344

Thu 1/228:59 amDCA - SBP

1 stop10h 35mAlaska Airlines

Sun 1/256:00 amSBP - DCA

1 stop12h 00mAlaska Airlines

Deal found 12/24

$422

Thu 1/221:34 pmDCA - SBP

2 stops11h 42mAmerican Airlines

Sun 1/251:03 pmSBP - DCA

1 stop6h 57mAmerican Airlines

Deal found 12/24

$442

One-way flights from Reagan-National to San Luis Obispo
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 December 26, 2025.

Mon 1/198:59 amDCA - SBP

1 stop10h 35mAlaska Airlines

Deal found 12/24

$206

Sat 4/46:30 amDCA - SBP

1 stop8h 30mAmerican Airlines

Deal found 12/25

$219

Mon 1/198:40 amDCA - SBP

2 stops11h 20mAmerican Airlines

Deal found 12/24

$224

Fri 3/276:30 amDCA - SBP

1 stop8h 30mAmerican Airlines

Deal found 12/25

$460

Sat 4/49:59 amDCA - SBP

3 stops40h 35mMultiple Airlines

Deal found 12/25

$1,061

Find flight deals from Reagan-National to San Luis Obispo

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$342 (Alaska Airlines)
One-way from	$206 (Alaska Airlines)
Popular in	February
Cheapest in	August
Average price	$580

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. 27% potential increase in price ($232 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Sat 4/18

8:59 am-11:34 pm

1 stop17h 35m

San Luis Obispo County

Sat 4/25

6:00 am-9:00 pm

1 stop12h 00m

$342

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Sat 2/28

8:59 am-11:17 pm

1 stop17h 18m

San Luis Obispo County

Sat 3/7

6:00 am-9:02 pm

1 stop12h 02m

$342

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Wed 1/21

8:00 am-5:37 pm

1 stop12h 37m

San Luis Obispo County

Fri 1/23

6:17 pm-9:59 pm

1 stop24h 42m

$344

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Sat 2/28

5:00 am-12:02 pm

2 stops10h 02m

San Luis Obispo County

Sat 3/7

12:52 pm-11:00 pm

1 stop7h 08m

$374

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Thu 2/12

6:30 am-12:06 pm

1 stop8h 36m

San Luis Obispo County

Tue 2/17

12:52 pm-11:00 pm

1 stop7h 08m

$403

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Thu 1/22

8:59 am-4:34 pm

1 stop10h 35m

San Luis Obispo County

Sun 1/25

6:00 am-9:00 pm

1 stop12h 00m

$422

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Sat 4/18

5:00 am-11:56 am

2 stops9h 56m

San Luis Obispo County

Sat 4/25

12:27 pm-10:59 pm

1 stop7h 32m

$435

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Mon 1/19

8:59 am-4:34 pm

1 stop10h 35m

$206

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Sat 4/4

6:30 am-12:00 pm

1 stop8h 30m

$219

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Mon 1/19

8:40 am-5:00 pm

2 stops11h 20m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Showing 1-10 of 12 results

Compare providers for flights from Reagan-National to San Luis Obispo

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 December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy2 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-San Luis Obispo flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Reviews of airlines servicing San Luis Obispo

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

7.2

Good

11,064 reviews

Reviews

1 / 20

8.0

Excellent

Douglas,Sep 2023

RNO - LAX

There was a maintenance issue that caused us to depart over 1 hour late.

American Airlines

7.2

Good

11,064 reviews

American Airlines

7.2

Good

11,064 reviews

Reviews

1 / 20

8.0

Excellent

Douglas,Sep 2023

RNO - LAX

There was a maintenance issue that caused us to depart over 1 hour late.

Related info for your journey

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 02m. The distance from Washington, D.C. Reagan-National Airport to San Luis Obispo is about 2393 mi. This flight may include one or multiple stops.
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 45% 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

Morro Bay

Arroyo Grande

Avila Beach

San Simeon

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Top airline flying from Reagan-National to San Luis Obispo

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$335	Average$516	FlexibilityNo cancel fee	On-time71%

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$206+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to San Luis Obispo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to San Luis Obispo

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 December 26, 2025.

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 December 26, 2025.

Find flight deals from Reagan-National to San Luis Obispo

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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.

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 December.

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.

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?

Reviews of airlines servicing San Luis Obispo

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.

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?

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

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

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

How can I 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?

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

Traveling to a place near San Luis Obispo?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Reagan-National to San Luis Obispo

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Top airline flying from Reagan-National to San Luis Obispo

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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 December 26, 2025.