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Washington, D.C.

$213+ Cheap flights from San Luis Obispo (SBP) to Washington, D.C. (WAS)

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — WAS
Jul 30 — Aug 61
Thu 7/30
Thu 8/6
1 adult, Economy
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Cheap flight deals from San Luis Obispo to Washington, D.C.

Cheapest flights from San Luis Obispo to Washington, D.C.
Explore the most affordable flight options available from San Luis Obispo to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2026.

This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:25 am
SBP
-
BWI
1 stop8h 32m
United Airlines
Tue 9/14:18 pm
BWI
-
SBP
1 stop7h 42m
United Airlines
Deal found 6/27$369
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 8/2712:29 pm
SBP
-
DCA
1 stop8h 29m
American Airlines
Mon 8/315:00 am
DCA
-
SBP
1 stop9h 39m
American Airlines
Deal found 6/28$369
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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.
Thu 8/273:24 pm
SBP
-
IAD
1 stop23h 50m
Alaska Airlines
Mon 8/317:35 pm
IAD
-
SBP
1 stop7h 15m
Alaska Airlines
Deal found 6/29$369
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am
SBP
-
BWI
1 stop8h 39m
United Airlines
Thu 10/2911:30 am
BWI
-
SBP
1 stop8h 43m
United Airlines
Deal found 6/28$396
This American Airlines deal was found by Cheapflights users on 6/28. 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 7/287:02 pm
SBP
-
DCA
1 stop9h 12m
American Airlines
Tue 8/46:59 am
DCA
-
SBP
1 stop7h 44m
American Airlines
Deal found 6/28$401
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:41 pm
SBP
-
IAD
1 stop10h 10m
Alaska Airlines
Wed 12/25:25 pm
IAD
-
SBP
1 stop8h 49m
Alaska Airlines
Deal found 6/26$401
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Fri 9/256:43 pm
SBP
-
BWI
1 stop8h 47m
Alaska Airlines
Tue 9/294:43 pm
BWI
-
SBP
1 stop27h 11m
Alaska Airlines
Deal found 6/30$409
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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.
Fri 8/286:00 am
SBP
-
IAD
1 stop9h 14m
Alaska Airlines
Tue 9/17:35 pm
IAD
-
SBP
1 stop7h 15m
Alaska Airlines
Deal found 6/29$424
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Sat 9/512:29 pm
SBP
-
DCA
1 stop8h 29m
American Airlines
Sun 9/135:00 am
DCA
-
SBP
1 stop9h 41m
American Airlines
Deal found 6/28$427
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Sun 9/612:29 pm
SBP
-
IAD
1 stop7h 23m
American Airlines
Sun 9/136:52 am
IAD
-
SBP
1 stop7h 49m
American Airlines
Deal found 6/28$427
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
SBP
-
BWI
1 stop8h 43m
United Airlines
Sun 8/97:23 pm
BWI
-
SBP
1 stop7h 21m
United Airlines
Deal found 6/27$435
This American Airlines deal was found by Cheapflights users on 6/30. 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 11/197:11 pm
SBP
-
DCA
1 stop8h 51m
American Airlines
Tue 12/17:00 am
DCA
-
SBP
1 stop8h 12m
American Airlines
Deal found 6/30$439

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

Discover tips and strategies to find the most affordable flight options for your journey from San Luis Obispo (SBP) to Washington, D.C. (WAS). 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 June 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$369
(United Airlines)

One-way from

$213
(Alaska Airlines)

Popular in

April

Cheapest in

February

Average price

$921
Provider with most accurate pricing for San Luis Obispo County-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Luis Obispo County-Washington, D.C. (WAS) flights.
Search Deals
From San Luis Obispo County to Washington, D.C. (WAS)
Search Deals
One-way flight from San Luis Obispo County to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Luis Obispo to Washington, D.C. 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 June 30, 2026.
Use the filters below to find and compare flights from San Luis Obispo to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Fri 11/13

6:00 am-5:40 pm

1 stop8h 40m

Washington, D.C. Dulles Intl

Wed 12/2

5:25 pm-11:14 pm

1 stop8h 49m

$369

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Fri 9/25

2:15 pm-1:13 am

1 stop7h 58m

Washington, D.C. Dulles Intl

Tue 9/29

9:45 am-3:26 pm

1 stop8h 41m

$369

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Thu 8/27

3:24 pm-6:14 pm

1 stop23h 50m

Washington, D.C. Dulles Intl

Mon 8/31

7:35 pm-11:50 pm

1 stop7h 15m

$369

San Luis ObispoBaltimore

SBP - BWI

SBPBWI

San Luis Obispo County

Sat 10/24

5:00 am-3:07 pm

1 stop7h 07m

Baltimore/Washington

Thu 10/29

12:35 pm-9:53 pm

2 stops12h 18m

$374

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Sat 11/14

4:41 pm-5:51 am

1 stop10h 10m

Washington, D.C. Dulles Intl

Wed 12/2

5:25 pm-11:14 pm

1 stop8h 49m

$401

San Luis ObispoBaltimore

SBP - BWI

SBPBWI

San Luis Obispo County

Fri 9/25

6:43 pm-6:30 am

1 stop8h 47m

Baltimore/Washington

Tue 9/29

4:43 pm-4:54 pm

1 stop27h 11m

$409

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Fri 8/28

6:00 am-6:14 pm

1 stop9h 14m

Washington, D.C. Dulles Intl

Tue 9/1

7:35 pm-11:50 pm

1 stop7h 15m

$424

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Thu 11/19

7:11 pm-7:02 am

1 stop8h 51m

Washington, D.C. Reagan-National

Tue 12/1

7:00 am-12:12 pm

1 stop8h 12m

$439

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Fri 9/25

3:24 pm-6:14 pm

1 stop23h 50m

Washington, D.C. Dulles Intl

Tue 9/29

7:00 am-9:38 am

1 stop29h 38m

$445

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Fri 11/6

6:41 pm-4:00 pm

1 stop18h 19m

Washington, D.C. Reagan-National

Thu 11/12

10:59 am-11:42 pm

1 stop15h 43m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 39 resultsSorted by cheapest first
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Compare providers for flights from San Luis Obispo to Washington, D.C.

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 San Luis Obispo to Washington, D.C. in June.
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 San Luis Obispo-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Luis Obispo-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Luis Obispo-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Luis Obispo-Washington, D.C. 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 San Luis Obispo-Washington, D.C. 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 San Luis Obispo to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from San Luis Obispo 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 San Luis Obispo to Washington, D.C.

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

Currently, December is the cheapest month in which you can book a flight from San Luis Obispo to Washington, D.C. (average of $264). Flying from San Luis Obispo to Washington, D.C. in August 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.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated June 30, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from San Luis Obispo to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,901 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,901 reviews
United Airlines
7.4
Good
9,901 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,762 reviews
United Airlines
7.4
Good
9,901 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from San Luis Obispo to Washington, D.C.. 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 from for flights from San Luis Obispo to Washington, D.C.?

    San Luis Obispo County (SBP), located 3.3 mi from the city center, is the airport you fly out of when you book flights from San Luis Obispo to Washington, D.C.. 3 airlines have flights from County to Washington, D.C. on a regular basis. Booking flights from San Luis Obispo County to Washington, D.C. should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. per day.

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

    For as low as $369, Alaska Airlines can have you in Washington, D.C. from San Luis Obispo in 7h 58m. San Luis Obispo and Washington, D.C. are separated by a distance of 2370 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from San Luis Obispo to Washington, D.C. round-trip from $264. Other airlines that can offer you cheap pricing are Alaska Airlines, from $336, and American Airlines, from $361. Users have found that United Airlines is 58% cheaper than the other options available to this destination.

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

    The most popular route from San Luis Obispo to Washington, D.C. is San Luis Obispo County - Baltimore/Washington. You may also consider San Luis Obispo County - Washington, D.C. Dulles Intl or San Luis Obispo County - Washington, D.C. Reagan-National.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from San Luis Obispo to Washington, D.C. (average of $264). Flying from San Luis Obispo to Washington, D.C. in August 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Fredericksburg
Hanover
Manassas
Silver Spring
Laurel
Clinton
Hunt Valley
Cordova
Woodbridge

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Top 3 airlines flying from San Luis Obispo to Washington, D.C.

Discover the top 3 airlines that operate flights from San Luis Obispo to Washington, D.C.. 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 June 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$264Average$562FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$336Average$543FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$361Average$592FlexibilityNo cancel feeOn-time71%

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