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Washington, D.C.

$220+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — WAS
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
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 February 9, 2026.

This Expedia deal was found by Cheapflights users on 2/8. 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 3/107:33 pm
SBP
-
BWI
1 stop19h 13m
Alaska Airlines
Tue 3/176:46 pm
BWI
-
SBP
1 stop26h 56m
Alaska Airlines
Deal found 2/8$313
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 3/117:33 pm
SBP
-
BWI
1 stop19h 13m
Alaska Airlines
Mon 3/237:04 pm
BWI
-
SBP
1 stop26h 38m
Alaska Airlines
Deal found 2/9$329
This American Airlines deal was found by Cheapflights users on 2/9. 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 4/2112:55 pm
SBP
-
DCA
1 stop8h 04m
American Airlines
Wed 4/296:57 am
DCA
-
SBP
1 stop8h 13m
American Airlines
Deal found 2/9$329
This American Airlines deal was found by Cheapflights users on 2/9. 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 4/2112:55 pm
SBP
-
IAD
1 stop7h 31m
American Airlines
Sat 5/27:00 am
IAD
-
SBP
1 stop8h 10m
American Airlines
Deal found 2/9$329
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/106:05 am
SBP
-
BWI
1 stop8h 18m
United Airlines
Tue 3/1712:40 pm
BWI
-
SBP
2 stops14h 04m
United Airlines
Deal found 2/8$334
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/317:10 pm
SBP
-
DCA
2 stops11h 18m
American Airlines
Tue 4/146:57 am
DCA
-
SBP
1 stop8h 13m
American Airlines
Deal found 2/9$334
This United Airlines deal was found by Cheapflights users on 2/7. 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 3/182:10 pm
SBP
-
IAD
1 stop7h 53m
United Airlines
Mon 3/236:03 pm
IAD
-
SBP
1 stop8h 56m
United Airlines
Deal found 2/7$337
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 5/285:52 pm
SBP
-
BWI
2 stops10h 18m
United Airlines
Tue 6/24:15 pm
BWI
-
SBP
2 stops10h 29m
United Airlines
Deal found 2/7$339
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/317:10 pm
SBP
-
IAD
2 stops10h 38m
American Airlines
Tue 4/1410:32 am
IAD
-
SBP
2 stops10h 48m
American Airlines
Deal found 2/9$339
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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 3/1112:19 pm
SBP
-
IAD
1 stop26h 08m
Alaska Airlines
Mon 3/236:22 pm
IAD
-
SBP
1 stop8h 12m
Alaska Airlines
Deal found 2/7$341
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 4/216:00 am
SBP
-
IAD
1 stop8h 22m
Alaska Airlines
Wed 4/299:00 am
IAD
-
SBP
1 stop16h 18m
Alaska Airlines
Deal found 2/6$346
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/182:10 pm
SBP
-
IAD
1 stop7h 53m
United Airlines
Sat 3/214:10 pm
IAD
-
SBP
1 stop10h 49m
United Airlines
Deal found 2/8$349

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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$313
(Expedia)

One-way from

$220
(Alaska Airlines)

Popular in

January

Cheapest in

February

Average price

$392
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. 3% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 9, 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

San Luis Obispo

Fly to

Washington, D.C.

Route

Depart

Return

Price

San Luis ObispoBaltimore

SBP - BWI

SBPBWI

San Luis Obispo County

Fri 6/19

5:52 pm-7:09 am

1 stop10h 17m

Baltimore/Washington

Tue 6/30

7:27 pm-11:44 pm

1 stop7h 17m

$329

San Luis ObispoBaltimore

SBP - BWI

SBPBWI

San Luis Obispo County

Tue 4/21

12:55 pm-11:09 pm

1 stop7h 14m

Baltimore/Washington

Sat 5/2

7:00 am-12:10 pm

1 stop8h 10m

$329

San Luis ObispoBaltimore

SBP - BWI

SBPBWI

San Luis Obispo County

Wed 3/11

7:33 pm-5:46 pm

1 stop19h 13m

Baltimore/Washington

Mon 3/23

7:04 pm-6:42 pm

1 stop26h 38m

$329

San Luis ObispoBaltimore

SBP - BWI

SBPBWI

San Luis Obispo County

Fri 6/5

5:52 pm-7:09 am

1 stop10h 17m

Baltimore/Washington

Sat 6/13

7:27 pm-11:44 pm

1 stop7h 17m

$329

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Tue 4/21

12:55 pm-11:59 pm

1 stop8h 04m

Washington, D.C. Reagan-National

Wed 4/29

6:57 am-12:10 pm

1 stop8h 13m

$329

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Tue 4/21

12:55 pm-11:59 pm

1 stop8h 04m

Washington, D.C. Reagan-National

Sat 5/2

6:57 am-12:10 pm

1 stop8h 13m

$329

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Fri 6/19

5:52 pm-5:23 am

1 stop8h 31m

Washington, D.C. Dulles Intl

Tue 6/30

6:30 am-11:54 am

1 stop8h 24m

$329

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Tue 3/31

7:10 pm-7:00 am

1 stop8h 50m

Washington, D.C. Reagan-National

Tue 4/14

6:00 am-12:10 pm

1 stop9h 10m

$329

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Wed 5/6

2:15 pm-1:24 am

1 stop8h 09m

Washington, D.C. Dulles Intl

Sat 5/9

2:36 pm-8:00 pm

1 stop8h 24m

$329

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Tue 4/21

12:55 pm-11:26 pm

1 stop7h 31m

Washington, D.C. Dulles Intl

Sat 5/2

7:00 am-12:10 pm

1 stop8h 10m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 44 results
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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 February.
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, October is the cheapest month in which you can book a flight from San Luis Obispo to Washington, D.C. (average of $208). Flying from San Luis Obispo to Washington, D.C. in May is currently the most expensive (average of $364). 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 February 9, 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
9,262 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

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
9,262 reviews
United Airlines
7.4
Good
9,262 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

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
7.2
Good
11,258 reviews
United Airlines
7.4
Good
9,262 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

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 $329, United Airlines can have you in Washington, D.C. from San Luis Obispo in 7h 14m. San Luis Obispo and Washington, D.C. are separated by a distance of 2410 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 $311, and American Airlines, from $356. Users have found that United Airlines is 49% 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, October is the cheapest month in which you can book a flight from San Luis Obispo to Washington, D.C. (average of $208). Flying from San Luis Obispo to Washington, D.C. in May is currently the most expensive (average of $364). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

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Alternative routes for San Luis Obispo to Washington, D.C.

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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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$264Average$572FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$311Average$511FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$356Average$523FlexibilityNo cancel feeOn-time71%

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