What is the cheapest day to fly from San Luis Obispo to Washington, D.C. Reagan-National Airport?

Travelers seeking maximum savings on their San Luis Obispo to Washington, D.C. Reagan-National Airport flight should consider departing on Friday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest day to fly round-trip from San Luis Obispo to Washington, D.C. Reagan-National Airport?

It’s generally more expensive to depart on a Thursday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Our data shows that August tends to be the cheapest month to fly to Washington, D.C. Reagan-National Airport from San Luis Obispo. Users have commonly found prices around $486 for the month, but tickets can be as low as $332. Due to multiple factors, prepare for potentially higher prices in February.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 33% on flights from San Luis Obispo to Washington, D.C. Reagan-National Airport by exploring options for tickets at noon.

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.

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.

$140+ Cheap Flights from San Luis Obispo to Washington, D.C. Reagan-National Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from San Luis Obispo to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Luis Obispo to Reagan-National

Round-trip from	$284 (American Airlines)
One-way from	$140 (United Airlines)
Popular in	December
Cheapest in	July
Average price	$569

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. 22% potential increase in price ($168 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find 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 August 14, 2025.

Tue 10/2112:42 pmSBP - DCA

2 stops9h 17mAmerican Airlines

Sat 10/255:00 amDCA - SBP

1 stop9h 37mAmerican Airlines

Deal found 8/14

$284

Tue 10/216:00 amSBP - DCA

1 stop11h 29mHawaiian Airlines

Sat 10/258:59 amDCA - SBP

1 stop7h 40mHawaiian Airlines

Deal found 8/13

$311

Wed 9/1712:24 pmSBP - DCA

1 stop9h 36mAmerican Airlines

Sun 9/217:29 amDCA - SBP

1 stop7h 34mAmerican Airlines

Deal found 8/14

$337

Thu 11/67:11 pmSBP - DCA

1 stop8h 51mAmerican Airlines

Tue 11/116:30 amDCA - SBP

1 stop8h 13mAmerican Airlines

Deal found 8/12

$357

Sat 9/1310:05 amSBP - DCA

1 stop6h 54mAmerican Airlines

Wed 9/177:29 amDCA - SBP

1 stop7h 34mAmerican Airlines

Deal found 8/12

$369

Best flights from San Luis Obispo to Reagan-National
Discover carefully curated flight deals from San Luis Obispo to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Tue 10/2112:42 pmSBP - DCA

2 stops9h 17mAmerican Airlines

Sat 10/257:24 amDCA - SBP

1 stop7h 33mAmerican Airlines

Deal found 8/13

$284

Tue 10/216:00 amSBP - DCA

1 stop11h 29mHawaiian Airlines

Sat 10/258:59 amDCA - SBP

1 stop7h 40mHawaiian Airlines

Deal found 8/12

$311

Tue 10/216:00 amSBP - DCA

1 stop11h 29mAlaska Airlines

Sat 10/258:59 amDCA - SBP

1 stop16h 42mAlaska Airlines

Deal found 8/12

$342

Thu 11/67:11 pmSBP - DCA

1 stop8h 51mAmerican Airlines

Tue 11/116:30 amDCA - SBP

1 stop8h 13mAmerican Airlines

Deal found 8/14

$337

Wed 9/1712:24 pmSBP - DCA

1 stop9h 36mAmerican Airlines

Sun 9/217:29 amDCA - SBP

1 stop7h 34mAmerican Airlines

Deal found 8/14

$337

Last-minute flights from San Luis Obispo to Reagan-National
Discover last-minute flight deals from San Luis Obispo to Reagan-National. Data last updated August 14, 2025 and is based on user searches.

Tue 8/195:15 amSBP - DCA

1 stop6h 51mUnited Airlines

Thu 8/287:00 amDCA - SBP

1 stop8h 18mUnited Airlines

Deal found 8/13

$504

Tue 8/196:00 amSBP - DCA

2 stops11h 16mAmerican Airlines

Thu 8/285:00 amDCA - SBP

1 stop9h 19mAmerican Airlines

Deal found 8/13

$509

Sat 9/1310:05 amSBP - DCA

1 stop6h 54mAmerican Airlines

Wed 9/177:29 amDCA - SBP

1 stop7h 34mAmerican Airlines

Deal found 8/12

$369

Wed 9/1712:24 pmSBP - DCA

1 stop9h 36mAmerican Airlines

Sun 9/217:29 amDCA - SBP

1 stop7h 34mAmerican Airlines

Deal found 8/14

$337

Thu 9/1812:24 pmSBP - DCA

1 stop9h 31mAmerican Airlines

Thu 9/255:00 amDCA - SBP

1 stop9h 34mAmerican Airlines

Deal found 8/14

$395

One-way flights from San Luis Obispo to Reagan-National
Search for one-way flight options from San Luis Obispo to Reagan-National. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Sat 11/88:33 amSBP - DCA

1 stop10h 10mUnited Airlines

Deal found 8/11

$140

Sat 9/206:00 amSBP - DCA

2 stops9h 27mAmerican Airlines

Deal found 8/14

$145

Sat 11/86:00 amSBP - DCA

2 stops12h 59mMultiple Airlines

Deal found 8/11

$177

Sun 8/315:15 amSBP - DCA

1 stop6h 51mUnited Airlines

Deal found 8/13

$185

Sat 11/812:28 pmSBP - DCA

1 stop7h 32mAmerican Airlines

Deal found 8/14

$190

Mon 9/812:24 pmSBP - DCA

1 stop9h 40mAmerican Airlines

Deal found 8/13

$198

Mon 9/84:57 pmSBP - DCA

2 stops22h 02mAlaska Airlines

Deal found 8/13

$222

Fri 11/76:00 amSBP - DCA

1 stop12h 05mAlaska Airlines

Deal found 8/11

$242

Sun 11/97:11 pmSBP - DCA

1 stop8h 51mAmerican Airlines

Deal found 8/11

$248

Cheapflights Fare Finder

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

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Tue 10/21

12:42 pm-12:59 am

2 stops9h 17m

Washington, D.C. Reagan-National

Sat 10/25

7:24 am-11:57 am

1 stop7h 33m

$284

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Tue 10/21

6:00 am-8:29 pm

1 stop11h 29m

Washington, D.C. Reagan-National

Sat 10/25

8:59 am-1:39 pm

1 stop7h 40m

$311

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Thu 11/6

7:11 pm-7:02 am

1 stop8h 51m

Washington, D.C. Reagan-National

Tue 11/11

6:30 am-11:43 am

1 stop8h 13m

$337

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Wed 9/17

12:24 pm-1:00 am

1 stop9h 36m

Washington, D.C. Reagan-National

Sun 9/21

7:29 am-12:03 pm

1 stop7h 34m

$337

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Tue 10/21

6:00 am-8:29 pm

1 stop11h 29m

Washington, D.C. Reagan-National

Sat 10/25

8:59 am-10:41 pm

1 stop16h 42m

$342

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Sat 11/8

12:28 pm-11:00 pm

1 stop7h 32m

$140

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Sat 11/8

8:33 am-9:43 pm

1 stop10h 10m

$140

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Sat 9/20

12:24 pm-1:00 am

1 stop9h 36m

$140

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Sat 11/8

6:00 am-9:59 pm

2 stops12h 59m

$177

San Luis ObispoWashington, D.C.

SBP - DCA

SBPDCA

San Luis Obispo County

Sun 8/31

5:15 am-3:06 pm

1 stop6h 51m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 13 results

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, February is the cheapest month in which you can book a flight from San Luis Obispo to Washington, D.C. Reagan-National Airport (average of $278). Flying from San Luis Obispo to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 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

8,916 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

United Airlines

7.4

Good

8,916 reviews

United Airlines

7.4

Good

8,916 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,916 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Related info for your journey

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.
What are the cheapest airlines flying from San Luis Obispo to Washington, D.C. Reagan-National Airport round-trip?
American Airlines, at $368, 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 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, February is the cheapest month in which you can book a flight from San Luis Obispo to Washington, D.C. Reagan-National Airport (average of $278). Flying from San Luis Obispo to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Springfield

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Fairfax

Manassas

Falls Church

Laurel

Rockville

Oxon Hill

National Harbor

Dundalk

Waldorf

Bowie

Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$368	Average$606	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$406	Average$712	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$140+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Luis Obispo to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Luis Obispo to Reagan-National

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Luis Obispo to Reagan-National

Cheapest flights from San Luis Obispo to Reagan-NationalExplore 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 August 14, 2025.

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 August 14, 2025.

Cheapflights Fare Finder

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.

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.

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?

Reviews of airlines servicing Reagan-National

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?

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

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

How can I 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?

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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Luis Obispo to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

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

100% Free

Book with Flexibility

Travel Smart

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 August 14, 2025.