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Reagan-National

$307+ Cheap flights from San Luis Obispo (SBP) to Reagan-National (DCA)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — DCA
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
1 adult, Economy
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Cheap flight deals from San Luis Obispo to Reagan-National

Cheapest flights from San Luis Obispo to Reagan-National
Explore the most affordable flight options available from San Luis Obispo to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 23, 2026.

This American Airlines deal was found by Cheapflights users on 2/20. 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
Sat 5/26:57 am
DCA
-
SBP
1 stop8h 13m
American Airlines
Deal found 2/20$329
This American Airlines deal was found by Cheapflights users on 2/20. 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
1 stop8h 50m
American Airlines
Tue 4/1410:00 am
DCA
-
SBP
2 stops11h 20m
American Airlines
Deal found 2/20$334
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/293:15 pm
DCA
-
SBP
2 stops9h 55m
American Airlines
Deal found 2/20$340
This American Airlines deal was found by Cheapflights users on 2/22. 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 3/137:10 pm
SBP
-
DCA
2 stops10h 49m
American Airlines
Tue 3/177:00 am
DCA
-
SBP
1 stop8h 03m
American Airlines
Deal found 2/22$370
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/75:00 am
SBP
-
DCA
1 stop6h 59m
United Airlines
Wed 3/115:55 pm
DCA
-
SBP
1 stop9h 04m
United Airlines
Deal found 2/20$389
This American Airlines deal was found by Cheapflights users on 2/21. 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 4/117:02 pm
SBP
-
DCA
2 stops11h 03m
American Airlines
Tue 4/1410:18 am
DCA
-
SBP
2 stops11h 02m
American Airlines
Deal found 2/21$426

Find flight deals from San Luis Obispo to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from San Luis Obispo (SBP) to Reagan-National (DCA). 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 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(American Airlines)

One-way from

$307
(Expedia)

Popular in

April

Cheapest in

October

Average price

$579
Provider with most accurate pricing for San Luis Obispo County-Washington, D.C. Reagan-National flight deals.
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Provider most trusted by Cheapflights users for San Luis Obispo County-Washington, D.C. Reagan-National flights.
Search Deals
From San Luis Obispo County to Washington, D.C. Reagan-National
Search Deals
One-way flight from San Luis Obispo County to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($30 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 Reagan-National 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 23, 2026.
Use the filters below to find and compare flights from San Luis Obispo to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

San Luis Obispo

Fly to

Reagan-National

Route

Depart

Return

Price

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

10:18 am-6:20 pm

2 stops11h 02m

$334

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Fri 3/13

7:10 pm-8:59 am

2 stops10h 49m

Washington, D.C. Reagan-National

Tue 3/17

7:00 am-12:03 pm

1 stop8h 03m

$370

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Sat 3/7

5:00 am-2:59 pm

1 stop6h 59m

Washington, D.C. Reagan-National

Wed 3/11

5:55 pm-11:59 pm

1 stop9h 04m

$389

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

5:00 am-12:25 pm

2 stops10h 25m

$415

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Wed 5/13

7:02 pm-7:00 am

1 stop8h 58m

Washington, D.C. Reagan-National

Wed 5/20

1:44 pm-10:10 pm

2 stops11h 26m

$415

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Tue 4/21

6:06 am-7:57 pm

2 stops10h 51m

Washington, D.C. Reagan-National

Sat 5/2

1:45 pm-10:10 pm

2 stops11h 25m

$420

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Mon 5/4

3:39 pm-9:00 pm

1 stop26h 21m

Washington, D.C. Reagan-National

Wed 5/6

8:59 am-10:18 pm

2 stops16h 19m

$443

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Thu 6/25

7:02 pm-7:00 am

1 stop8h 58m

Washington, D.C. Reagan-National

Fri 7/3

5:00 am-12:05 pm

1 stop10h 05m

$449

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Sun 6/21

7:02 pm-7:00 am

1 stop8h 58m

Washington, D.C. Reagan-National

Wed 7/1

5:00 am-12:32 pm

1 stop10h 32m

$463

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Thu 3/26

7:34 pm-9:59 pm

1 stop23h 25m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 13 results
1
2

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

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 Reagan-National 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. Reagan-National Airport 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. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Luis Obispo-Washington, D.C. Reagan-National Airport 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. Reagan-National Airport 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. Reagan-National Airport 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 Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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. Reagan-National Airport

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

Currently, March is the cheapest month in which you can book a flight from San Luis Obispo to Washington, D.C. Reagan-National Airport (average of $238). Flying from San Luis Obispo to Washington, D.C. Reagan-National Airport in November is currently the most expensive (average of $393). 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 Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated February 23, 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. Reagan-National Airport 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
9,342 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

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
9,342 reviews
United Airlines
7.4
Good
9,342 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

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
7.2
Good
11,339 reviews
United Airlines
7.4
Good
9,342 reviews

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

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 Reagan-National. 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. Reagan-National?

    Located just 3.3 mi from the city center, San Luis Obispo County is the airport most travelers will use when flying to Washington, D.C. Reagan-National from San Luis Obispo. Booking flights from County (SBP) to Washington, D.C. Reagan-National should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Reagan-National from 2 different airlines.

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

    Airlines like American Airlines and United Airlines fly from San Luis Obispo to Washington, D.C. Reagan-National Airport in about 6h 59m. The time it takes to get you to your destination can typically vary by up to 1h 05m. The distance between San Luis Obispo and Washington, D.C. Reagan-National Airport is about 2393 mi. This flight may include one or multiple stops.

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

    American Airlines, at $356, was found to be the cheapest airline from San Luis Obispo to Washington, D.C. Reagan-National Airport. An alternate airline flying to your destination would be United Airlines. American Airlines is currently priced 37% below the average price you’ll pay for this route.

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

    Yes. In addition to deals on San Luis Obispo to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Luis Obispo to Reagan-National?

    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 Reagan-National.

  • Can I find deals for business class flights from San Luis Obispo to Reagan-National?

    Yes. Cheapflights offers flight deals from San Luis Obispo to Reagan-National 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. Reagan-National Airport?

    Currently, March is the cheapest month in which you can book a flight from San Luis Obispo to Washington, D.C. Reagan-National Airport (average of $238). Flying from San Luis Obispo to Washington, D.C. Reagan-National Airport in November is currently the most expensive (average of $393). 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. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Hyattsville
Fredericksburg
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Manassas
Bowie
Largo
Clinton
Towson

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Alternative routes for San Luis Obispo to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
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Long Beach to Baltimore flights
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Santa Barbara to Dulles Intl flights
Monterey to Baltimore flights

Top 2 airlines flying from San Luis Obispo to Reagan-National

Discover the top 2 airlines that operate flights from San Luis Obispo to Reagan-National. 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$356Average$582FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$358Average$579FlexibilityNo cancel feeOn-time69%

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