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Reagan-National

$233+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — DCA
Apr 4 — Apr 111
Sat 4/4
Sat 4/11
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 March 5, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/4. 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 4/297:20 am
SBP
-
DCA
1 stop11h 39m
Alaska Airlines
Sat 5/28:59 am
DCA
-
SBP
1 stop9h 00m
Alaska Airlines
Deal found 3/4$327
This American Airlines deal was found by Cheapflights users on 3/1. 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 3/1$329
This American Airlines deal was found by Cheapflights users on 3/1. 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 4/216:06 am
SBP
-
DCA
2 stops10h 50m
American Airlines
Wed 4/291:45 pm
DCA
-
SBP
2 stops11h 25m
American Airlines
Deal found 3/1$339
This American Airlines deal was found by Cheapflights users on 3/3. 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 4/2912:55 pm
SBP
-
DCA
1 stop8h 04m
American Airlines
Sun 9/276:45 am
DCA
-
SBP
1 stop7h 49m
American Airlines
Deal found 3/3$369
This Orbitz deal was found by Cheapflights users on 3/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:20 am
SBP
-
DCA
1 stop11h 39m
Alaska Airlines
Sun 5/108:59 am
DCA
-
SBP
1 stop9h 00m
Alaska Airlines
Deal found 3/5$373
This American Airlines deal was found by Cheapflights users on 3/3. 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 4/297:02 pm
SBP
-
DCA
2 stops11h 03m
American Airlines
Sun 5/37:00 am
DCA
-
SBP
1 stop8h 10m
American Airlines
Deal found 3/3$374
This American Airlines deal was found by Cheapflights users on 3/5. 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 5/67:02 pm
SBP
-
DCA
2 stops11h 03m
American Airlines
Tue 5/1210:00 am
DCA
-
SBP
2 stops11h 20m
American Airlines
Deal found 3/5$379
This American Airlines deal was found by Cheapflights users on 3/4. 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 5/2112:51 pm
SBP
-
DCA
1 stop8h 08m
American Airlines
Mon 5/255:00 am
DCA
-
SBP
1 stop10h 01m
American Airlines
Deal found 3/4$389

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 March 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$327
(Alaska Airlines)

One-way from

$233
(Expedia)

Popular in

April

Cheapest in

October

Average price

$490
Provider with most accurate pricing for San Luis Obispo County-Washington, D.C. Reagan-National flight deals.
Search Deals
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. 4% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 5, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Wed 4/29

7:20 am-9:59 pm

1 stop11h 39m

Washington, D.C. Reagan-National

Sat 5/2

8:59 am-2:59 pm

1 stop9h 00m

$327

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 - 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

$349

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Wed 4/29

7:02 pm-9:05 am

2 stops11h 03m

Washington, D.C. Reagan-National

Sun 5/3

7:00 am-12:10 pm

1 stop8h 10m

$374

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Wed 5/6

7:20 am-9:59 pm

1 stop11h 39m

Washington, D.C. Reagan-National

Mon 5/11

8:59 am-10:18 pm

2 stops16h 19m

$425

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Fri 5/29

7:02 pm-7:00 am

1 stop8h 58m

Washington, D.C. Reagan-National

Tue 6/2

6:59 am-12:32 pm

1 stop8h 33m

$429
Quickest round-trip

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Mon 5/25

1:22 pm-11:59 pm

1 stop7h 37m

Washington, D.C. Reagan-National

Tue 6/2

6:59 am-12:32 pm

1 stop8h 33m

$449

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Wed 4/29

5:00 am-5:04 pm

2 stops9h 04m

Washington, D.C. Reagan-National

Sat 5/2

5:59 pm-11:59 pm

1 stop9h 00m

$454

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Wed 5/6

5:00 am-5:04 pm

2 stops9h 04m

Washington, D.C. Reagan-National

Mon 5/11

5:59 pm-11:59 pm

1 stop9h 00m

$455

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-2:59 pm

1 stop9h 00m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 18 resultsSorted by cheapest first
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 March.
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 March 5, 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
9,389 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

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
9,389 reviews
United Airlines
7.4
Good
9,389 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

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
11,381 reviews
United Airlines
7.4
Good
9,389 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Boarding

7.7

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 Alaska Airlines and American Airlines fly from San Luis Obispo to Washington, D.C. Reagan-National Airport in about 8h 04m. The time it takes to get you to your destination can typically vary by up to 3h 35m. 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?

    United Airlines, at $358, 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 American Airlines. United Airlines is currently priced 36% 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
Arlington
Tysons
Owings Mills
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park

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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.
Los Angeles to Reagan-National flights
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San Francisco to Reagan-National flights
San Francisco to Dulles Intl flights
San Francisco to Baltimore flights
San Diego to Dulles Intl flights
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Ontario to Baltimore flights
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San Diego to Baltimore flights
San Jose to Baltimore flights
Oakland to Dulles Intl flights
Oakland to Baltimore flights
Las Vegas to Baltimore flights
Santa Ana to Dulles Intl flights
Las Vegas to Reagan-National flights
Oakland to Reagan-National flights
Santa Ana to Reagan-National flights
Sacramento to Baltimore flights
Sacramento to Reagan-National flights
Santa Ana to Baltimore flights
Burbank to Dulles Intl flights
Fresno to Dulles Intl flights
Palm Springs to Dulles Intl flights
Burbank to Reagan-National flights
Fresno to Reagan-National flights
Palm Springs to Baltimore flights
San Luis Obispo to Baltimore flights
Santa Barbara to Dulles Intl flights
Palm Springs to Reagan-National flights
Burbank to Baltimore flights
Fresno to Baltimore flights
Long Beach to Dulles Intl flights
Monterey to Dulles Intl flights
Reno to Dulles Intl flights
Monterey to Reagan-National flights
Long Beach to Baltimore flights
Reno to Baltimore flights
Reno to Reagan-National flights
Santa Barbara to Baltimore flights
Monterey to Baltimore flights
San Luis Obispo to Dulles Intl flights
Long Beach to Reagan-National 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 March 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$358Average$579FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$361Average$582FlexibilityNo cancel feeOn-time71%

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