San Luis Obispo

$190+ Cheap flights from Washington, D.C. (WAS) to San Luis Obispo (SBP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SBP
Jun 15 — Jun 221
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Cheap flight deals from Washington, D.C. to San Luis Obispo

Cheapest flights from Washington, D.C. to San Luis Obispo
Explore the most affordable flight options available from Washington, D.C. to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.

This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:36 am
DCA
-
SBP
1 stop7h 11m
American Airlines
Tue 7/77:02 pm
SBP
-
DCA
1 stop9h 12m
American Airlines
Deal found 5/13$352
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:18 pm
DCA
-
SBP
2 stops10h 32m
American Airlines
Tue 7/77:02 pm
SBP
-
DCA
1 stop9h 12m
American Airlines
Deal found 5/12$357
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:01 pm
DCA
-
SBP
1 stop7h 49m
American Airlines
Tue 8/1112:29 pm
SBP
-
DCA
1 stop8h 29m
American Airlines
Deal found 5/15$369
This Expedia deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:29 pm
IAD
-
SBP
1 stop7h 21m
Alaska Airlines
Tue 9/223:24 pm
SBP
-
IAD
1 stop23h 50m
Alaska Airlines
Deal found 5/16$369
This Expedia deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:16 pm
BWI
-
SBP
1 stop18h 22m
Alaska Airlines
Tue 9/225:34 pm
SBP
-
BWI
1 stop19h 00m
Alaska Airlines
Deal found 5/16$369
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:24 am
IAD
-
SBP
1 stop8h 21m
American Airlines
Tue 9/224:36 pm
SBP
-
IAD
2 stops14h 56m
American Airlines
Deal found 5/15$374
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:53 pm
IAD
-
SBP
1 stop24h 24m
Alaska Airlines
Thu 7/236:04 am
SBP
-
IAD
1 stop9h 41m
Alaska Airlines
Deal found 5/12$379
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:02 am
BWI
-
SBP
2 stops9h 45m
American Airlines
Tue 7/77:02 pm
SBP
-
BWI
2 stops11h 24m
American Airlines
Deal found 5/16$379
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:30 am
IAD
-
SBP
1 stop9h 39m
United Airlines
Sat 6/62:06 pm
SBP
-
IAD
1 stop7h 49m
United Airlines
Deal found 5/13$388
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:54 am
BWI
-
SBP
2 stops10h 25m
American Airlines
Tue 9/226:22 am
SBP
-
BWI
2 stops10h 05m
American Airlines
Deal found 5/16$407
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:23 am
IAD
-
SBP
1 stop8h 21m
American Airlines
Tue 7/77:02 pm
SBP
-
IAD
2 stops10h 47m
American Airlines
Deal found 5/12$410
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:15 am
IAD
-
SBP
1 stop8h 45m
American Airlines
Tue 6/166:52 pm
SBP
-
IAD
2 stops10h 58m
American Airlines
Deal found 5/11$411

Find flight deals from Washington, D.C. to San Luis Obispo

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to San Luis Obispo (SBP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$352
(American Airlines)

One-way from

$190
(Expedia)

Popular in

June

Cheapest in

January

Average price

$471
Provider with most accurate pricing for Washington, D.C. (WAS)-San Luis Obispo County flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Luis Obispo County flights.
From Washington, D.C. (WAS) to San Luis Obispo County
One-way flight from Washington, D.C. (WAS) to San Luis Obispo County
Highest demand for flights based on searches. 16% potential increase in price ($113 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to San Luis Obispo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 16, 2026.
Use the filters below to find and compare flights from Washington, D.C. to San Luis Obispo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Tue 10/27

7:24 pm-11:43 pm

1 stop7h 19m

San Luis Obispo County

Sat 10/31

10:09 am-11:59 pm

1 stop10h 50m

$369

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Mon 7/20

7:53 pm-5:17 pm

1 stop24h 24m

San Luis Obispo County

Thu 7/23

6:04 am-6:45 pm

1 stop9h 41m

$369

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Fri 5/29

2:51 pm-10:12 pm

1 stop10h 21m

San Luis Obispo County

Sat 5/30

6:00 am-4:26 pm

1 stop7h 26m

$436

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Fri 5/29

4:23 pm-8:50 pm

1 stop7h 27m

San Luis Obispo County

Sat 5/30

11:05 am-12:33 am

2 stops10h 28m

$442

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Sat 6/6

6:15 am-6:20 pm

2 stops15h 05m

San Luis Obispo County

Tue 6/16

6:52 pm-8:50 am

2 stops10h 58m

$449

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Sat 5/30

7:21 pm-11:44 pm

1 stop7h 23m

San Luis Obispo County

Wed 6/3

6:00 am-5:43 pm

1 stop8h 43m

$449

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Fri 5/29

12:59 pm-8:50 pm

2 stops10h 51m

San Luis Obispo County

Sat 5/30

6:25 am-4:47 pm

1 stop7h 22m

$450

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Tue 8/4

6:38 am-11:38 am

1 stop8h 00m

San Luis Obispo County

Mon 8/10

6:05 pm-7:14 am

1 stop10h 09m

$452

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Mon 7/20

8:59 am-5:17 pm

1 stop11h 18m

San Luis Obispo County

Thu 7/23

5:50 pm-4:00 pm

1 stop19h 10m

$464

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Wed 8/12

6:59 am-11:39 am

1 stop7h 40m

San Luis Obispo County

Sun 8/16

7:08 pm-9:29 am

2 stops11h 21m

$471

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 48 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. to San Luis Obispo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to San Luis Obispo in May.
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.-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.
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

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to San Luis Obispo (average of $198). Flying from Washington, D.C. to San Luis Obispo in April is currently the most expensive (average of $422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Washington, D.C. to San Luis Obispo?

Reviews of airlines servicing San Luis Obispo

Get insights into the airlines that provide service to San Luis Obispo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Luis Obispo. Reviews last updated May 16, 2026.
Get a feel of what it's like to fly with Alaska Airlines,United Airlines, andAmerican Airlines from Washington, D.C. to San Luis Obispo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Entertainment

7.0

Food

7.0

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Entertainment

7.0

Food

7.0

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Entertainment

7.0

Food

7.0

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Comfort

7.8

Entertainment

7.0

Food

7.0

Boarding

8.1

Crew

8.5

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

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

    If you book a flight to San Luis Obispo from Washington, D.C., 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. to County per day from 2 different airlines.

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

    Departing from Washington, D.C. to San Luis Obispo will take you 7h 19m. Airlines will cover a distance of 2370 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. to San Luis Obispo round-trip?

    American Airlines, at $343, was found to be the cheapest airline from Washington, D.C. to San Luis Obispo. An alternate airline flying to your destination would be United Airlines. American Airlines is currently priced 41% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. to San Luis Obispo one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $110. Users have also found prices from $136 and $234 on American Airlines and United Airlines, respectively.

  • What are the most popular routes from Washington, D.C. to San Luis Obispo?

  • Can I find deals for flights from Washington, D.C. to San Luis Obispo that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to San Luis Obispo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. 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 Washington, D.C. to San Luis Obispo.

  • Can I find deals for business class flights from Washington, D.C. to San Luis Obispo?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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. to San Luis Obispo?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to San Luis Obispo (average of $198). Flying from Washington, D.C. to San Luis Obispo in April is currently the most expensive (average of $422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
San Simeon

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Top 2 airlines flying from Washington, D.C. to San Luis Obispo

Discover the top 2 airlines that operate flights from Washington, D.C. to San Luis Obispo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$343Average$608FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$420Average$532FlexibilityNo cancel feeOn-time69%

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