$227+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — DCA
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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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
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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
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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 September 2, 2026.
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 September 2, 2026.
This American Airlines deal was found by Cheapflights users on 9/2. 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 11/1912:43 pm -
1 stop8h 16m
Tue 12/15:00 am -
1 stop9h 58m
Deal found 9/2![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/3012:31 pm -
1 stop8h 28m
Wed 10/75:00 am -
1 stop9h 48m
Deal found 9/2![American Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Mon 11/2312:43 pm -
1 stop8h 16m
Wed 12/25:00 am -
1 stop9h 51m
Deal found 9/2![American Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/1012:31 pm -
1 stop8h 28m
Sat 9/127:30 am -
1 stop7h 41m
Deal found 9/2![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 8/28. 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 -
1 stop8h 29m
Sun 9/135:00 am -
1 stop9h 41m
Deal found 8/28![American Airlines logo]()
$451
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Tue 9/812:29 pm -
1 stop8h 29m
Sun 9/135:00 am -
1 stop9h 41m
Deal found 8/30![American Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Tue 9/15:00 am -
2 stops10h 09m
Sat 9/124:20 pm -
1 stop7h 35m
Deal found 8/28![United Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/106:51 pm -
1 stop9h 09m
Sun 9/135:00 am -
1 stop9h 41m
Deal found 8/31![American Airlines logo]()
$501
Best flights from San Luis Obispo to Reagan-NationalDiscover 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 September 2, 2026.
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 September 2, 2026.
This American Airlines deal was found by Cheapflights users on 9/2. 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 11/1912:43 pm -
1 stop8h 16m
Tue 12/15:00 am -
1 stop9h 58m
Deal found 9/2![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/66:00 am -
1 stop7h 49m
Tue 2/97:45 am -
1 stop10h 39m
Deal found 9/1![United Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 8/30. 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 11/266:05 am -
1 stop7h 00m
Wed 12/25:00 am -
1 stop9h 51m
Deal found 8/30![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 8/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:19 pm -
2 stops9h 35m
Tue 12/15:00 am -
1 stop9h 58m
Deal found 8/29![American Airlines logo]()
$481
Last-minute flights from San Luis Obispo to Reagan-NationalDiscover last-minute flight deals from San Luis Obispo to Reagan-National. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from San Luis Obispo to Reagan-National. Data last updated September 2, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:11 am -
1 stop8h 48m
Sat 9/510:59 am -
1 stop15h 51m
Deal found 8/28![Alaska Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 9/212:29 pm -
1 stop8h 29m
Sat 9/57:29 am -
1 stop7h 36m
Deal found 8/28![American Airlines logo]()
$519
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/312:29 pm -
1 stop7h 29m
Wed 10/75:00 am -
1 stop9h 48m
Deal found 8/31![American Airlines logo]()
$537
This American Airlines deal was found by Cheapflights users on 8/28. 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 -
1 stop8h 29m
Sun 9/135:00 am -
1 stop9h 41m
Deal found 8/28![American Airlines logo]()
$451
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Tue 9/812:29 pm -
1 stop8h 29m
Sun 9/135:00 am -
1 stop9h 41m
Deal found 8/30![American Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/1012:31 pm -
1 stop8h 28m
Sat 9/127:30 am -
1 stop7h 41m
Deal found 9/2![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/106:51 pm -
1 stop9h 09m
Sun 9/135:00 am -
1 stop9h 41m
Deal found 8/31![American Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Fri 9/2512:31 pm -
1 stop7h 27m
Tue 9/295:00 am -
1 stop9h 41m
Deal found 8/30![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/276:51 pm -
2 stops11h 29m
Sun 10/45:00 am -
1 stop9h 41m
Deal found 8/30![American Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/3012:31 pm -
1 stop8h 28m
Wed 10/75:00 am -
1 stop9h 48m
Deal found 9/2![American Airlines logo]()
$411
One-way flights from San Luis Obispo to Reagan-NationalSearch for one-way flight options from San Luis Obispo to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
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 September 2, 2026.
This Booking.com deal was found by Cheapflights users on 8/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:34 pm -
1 stop19h 26m
Deal found 8/30![Alaska Airlines logo]()
$227
This Booking.com deal was found by Cheapflights users on 8/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:33 am -
1 stop29h 27m
Deal found 8/29![Alaska Airlines logo]()
$235
This Booking.com deal was found by Cheapflights users on 8/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:30 pm -
1 stop18h 55m
Deal found 8/28![Alaska Airlines logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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 9/106:43 pm -
1 stop18h 44m
Deal found 8/31![Alaska Airlines logo]()
$282
This Orbitz deal was found by Cheapflights users on 8/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:43 pm -
1 stop18h 42m
Deal found 8/28![Alaska Airlines logo]()
$285
This Priceline deal was found by Cheapflights users on 8/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:03 am -
1 stop11h 57m
Deal found 8/28![Alaska Airlines logo]()
$337
This Booking.com deal was found by Cheapflights users on 8/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:26 pm -
1 stop27h 34m
Deal found 8/28![Alaska Airlines logo]()
$357
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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (American Airlines) |
One-way from | $227 (Booking.com) |
Popular in | April |
Cheapest in | July |
Average price | $613 |
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 7,457,451 searches. Data last updated September 2, 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
Cheapest round-trip
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - DCA Washington, D.C. Reagan-National
SBPDCA
San Luis Obispo County
Thu 11/19
12:43 pm-11:59 pm
1 stop8h 16m
Washington, D.C. Reagan-National
Tue 12/1
5:00 am-11:58 am
1 stop9h 58m
$379
Quickest round-trip
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - DCA Washington, D.C. Reagan-National
SBPDCA
San Luis Obispo County
Thu 11/26
6:05 am-4:05 pm
1 stop7h 00m
Washington, D.C. Reagan-National
Wed 12/2
5:00 am-11:51 am
1 stop9h 51m
$379
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - DCA Washington, D.C. Reagan-National
SBPDCA
San Luis Obispo County
Wed 11/25
7:19 pm-7:54 am
2 stops9h 35m
Washington, D.C. Reagan-National
Tue 12/1
5:00 am-11:58 am
1 stop9h 58m
$481
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - DCA Washington, D.C. Reagan-National
SBPDCA
San Luis Obispo County
Sat 2/6
6:00 am-4:49 pm
1 stop7h 49m
Washington, D.C. Reagan-National
Tue 2/9
7:45 am-3:24 pm
1 stop10h 39m
$489
Cheapest one-way
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - DCA Washington, D.C. Reagan-National
SBPDCA
San Luis Obispo County
Tue 10/20
6:30 pm-4:25 pm
1 stop18h 55m
$265
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - DCA Washington, D.C. Reagan-National
SBPDCA
San Luis Obispo County
Fri 9/11
5:34 pm-4:00 pm
1 stop19h 26m
$282
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - DCA Washington, D.C. Reagan-National
SBPDCA
San Luis Obispo County
Fri 10/2
6:43 pm-4:25 pm
1 stop18h 42m
$285
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - DCA Washington, D.C. Reagan-National
SBPDCA
San Luis Obispo County
Wed 10/21
5:00 am-7:09 pm
2 stops11h 09m
$384
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - DCA Washington, D.C. Reagan-National
SBPDCA
San Luis Obispo County
Mon 9/14
7:33 am-4:00 pm
1 stop29h 27m
$404
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - DCA Washington, D.C. Reagan-National
SBPDCA
San Luis Obispo County
Fri 9/25
6:03 am-9:00 pm
1 stop11h 57m
$422
Showing 1-10 of 13 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
SBP-DCA
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.
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 September 2, 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.
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.6
Crew
8.1
Overall
7.4
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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.
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 locationsAlexandria
Owings Mills
Arlington
Tysons
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Woodbridge
Falls Church
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Clinton
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Silver Spring
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San Luis Obispo and Reagan-National flights
Browse other San Luis Obispo and Reagan-National flight options. Last updated on September 2, 2026.
Other flights from San Luis Obispo
Browse through other flights departing from San Luis Obispo. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to Reagan-National
Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.
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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$358 | Average$579 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$400 | Average$564 | FlexibilityNo cancel fee | On-time71% |