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San Luis Obispo

$158+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SBP
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap 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 31, 2025.

Round-trip from

$314
(Alaska Airlines)

One-way from

$158
(American Airlines)

Popular in

June

Cheapest in

April

Average price

$550
From Washington, D.C. (WAS) to San Luis Obispo County
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One-way flight from Washington, D.C. (WAS) to San Luis Obispo County
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Highest demand for flights based on searches. 22% potential increase in price ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 31, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/35:52 pmIAD - SBP
1 stop22h 40mAlaska Airlines
Sat 9/274:57 pmSBP - IAD
1 stop20h 55mAlaska Airlines
Deal found 7/30$314
This American Airlines deal was found by Cheapflights users on 7/31. 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 9/126:25 amIAD - SBP
1 stop8h 09mAmerican Airlines
Tue 9/166:00 amSBP - IAD
2 stops13h 45mAmerican Airlines
Deal found 7/31$340
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 11/143:59 pmIAD - SBP
1 stop8h 09mUnited Airlines
Sun 11/166:25 pmSBP - IAD
1 stop8h 02mUnited Airlines
Deal found 7/31$355
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 9/45:00 amDCA - SBP
1 stop9h 34mAmerican Airlines
Sat 9/612:24 pmSBP - DCA
1 stop7h 36mAmerican Airlines
Deal found 7/30$357
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 9/96:41 amBWI - SBP
1 stop7h 53mAmerican Airlines
Tue 9/1612:24 pmSBP - BWI
1 stop7h 58mAmerican Airlines
Deal found 7/28$369
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 8/267:22 pmBWI - SBP
1 stop25h 15mAlaska Airlines
Tue 9/24:57 pmSBP - BWI
2 stops33h 42mAlaska Airlines
Deal found 7/29$408
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:28 pmBWI - SBP
1 stop7h 15mUnited Airlines
Sun 10/126:22 pmSBP - BWI
1 stop8h 28mUnited Airlines
Deal found 7/29$412
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:12 pmIAD - SBP
1 stop8h 21mHawaiian Airlines
Fri 11/286:00 amSBP - IAD
1 stop8h 12mHawaiian Airlines
Deal found 7/31$452
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 11/228:59 amDCA - SBP
1 stop10h 46mAlaska Airlines
Fri 11/286:00 amSBP - DCA
1 stop12h 20mAlaska Airlines
Deal found 7/31$523

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 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. to San Luis Obispo that are best for you.

Fly from

Washington, D.C.

Fly to

San Luis Obispo

Route

Depart

Return

Price

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Wed 9/3

5:52 pm-1:32 pm

1 stop22h 40m

San Luis Obispo County

Sat 9/27

4:57 pm-4:52 pm

1 stop20h 55m

$314

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Fri 9/12

6:25 am-11:34 am

1 stop8h 09m

San Luis Obispo County

Tue 9/16

6:00 am-10:45 pm

2 stops13h 45m

$340

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Fri 11/14

3:59 pm-9:08 pm

1 stop8h 09m

San Luis Obispo County

Sun 11/16

6:25 pm-5:27 am

1 stop8h 02m

$355

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Thu 9/4

5:00 am-11:34 am

1 stop9h 34m

San Luis Obispo County

Sat 9/6

12:24 pm-11:00 pm

1 stop7h 36m

$357

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Sun 1/11

4:07 pm-9:24 pm

1 stop8h 17m

San Luis Obispo County

Wed 1/14

5:15 am-2:56 pm

1 stop6h 41m

$368

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Tue 9/9

6:41 am-11:34 am

1 stop7h 53m

San Luis Obispo County

Tue 9/16

12:24 pm-11:22 pm

1 stop7h 58m

$369

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Tue 8/26

7:22 pm-5:37 pm

1 stop25h 15m

San Luis Obispo County

Tue 9/2

4:57 pm-5:39 am

2 stops33h 42m

$408

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Wed 10/8

7:28 pm-11:43 pm

1 stop7h 15m

San Luis Obispo County

Sun 10/12

6:22 pm-5:50 am

1 stop8h 28m

$412

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Sat 11/22

6:12 pm-11:33 pm

1 stop8h 21m

San Luis Obispo County

Fri 11/28

6:00 am-5:12 pm

1 stop8h 12m

$452

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Thu 1/15

8:59 am-1:38 pm

1 stop7h 39m

San Luis Obispo County

Mon 1/19

7:25 pm-4:04 pm

2 stops17h 39m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 20 results
1
2

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, January is the cheapest month in which you can book a flight from Washington, D.C. to San Luis Obispo (average of $374). Flying from Washington, D.C. to San Luis Obispo in June is currently the most expensive (average of $512). 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.

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

Find hourly flight availability from Washington, D.C. to San Luis Obispo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

It’s typically best to fly out from Washington, D.C. to San Luis Obispo at noon. Doing so could potentially save you 12% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Hawaiian Airlines, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Alaska Airlines, at $314, was found to be the cheapest airline from Washington, D.C. to San Luis Obispo.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Alaska Airlines is currently priced 44% 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 American Airlines. According to our data, you can fly for as low as $158. Users have also found prices from $178 and $190 on United Airlines and Alaska Airlines, respectively.

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

    While some choose either Washington, D.C. Dulles Intl - San Luis Obispo County or Washington, D.C. Reagan-National - San Luis Obispo County, Baltimore/Washington - San Luis Obispo County is the most popular route 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, January is the cheapest month in which you can book a flight from Washington, D.C. to San Luis Obispo (average of $374). Flying from Washington, D.C. to San Luis Obispo in June is currently the most expensive (average of $512). 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
Avila Beach
Arroyo Grande
San Simeon

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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.
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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$322Average$555FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$383Average$592FlexibilityNo cancel feeOn-time69%

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