$320+ Cheap flights from San Luis Obispo (SBP) to Reagan-National (DCA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — DCA
May 7 — May 141
Round-trip
1 adult, Economy
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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 April 7, 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 April 7, 2026.
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/67:02 pm
SBP
- DCA
2 stops11h 03m
American Airlines
Sat 5/96:00 am
DCA
- SBP
1 stop9h 05m
American Airlines
Deal found 4/2![American Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/712:55 pm
SBP
- DCA
1 stop8h 04m
American Airlines
Sat 5/96:00 am
DCA
- SBP
1 stop9h 05m
American Airlines
Deal found 4/2![American Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1112:34 pm
SBP
- DCA
1 stop8h 25m
American Airlines
Sat 7/185:29 pm
DCA
- SBP
1 stop8h 21m
American Airlines
Deal found 4/6![American Airlines logo]()
$381
This American Airlines deal was found by Cheapflights users on 4/6. 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 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
Mon 5/113:15 pm
DCA
- SBP
2 stops9h 55m
American Airlines
Deal found 4/6![American Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 4/2. 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 4/237:02 pm
SBP
- DCA
1 stop8h 58m
American Airlines
Sun 4/266:00 am
DCA
- SBP
1 stop9h 10m
American Airlines
Deal found 4/2![American Airlines logo]()
$389
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 April 7, 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 April 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 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 4/5![Alaska Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 4/4. 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.
Wed 5/67:02 pm
SBP
- DCA
1 stop8h 58m
American Airlines
Mon 5/115:15 pm
DCA
- SBP
1 stop7h 55m
American Airlines
Deal found 4/4![American Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:00 am
SBP
- DCA
2 stops9h 04m
United Airlines
Sat 5/25:59 pm
DCA
- SBP
1 stop9h 00m
United Airlines
Deal found 4/2![United Airlines logo]()
$487
Last-minute flights from San Luis Obispo to Reagan-NationalDiscover last-minute flight deals from San Luis Obispo to Reagan-National. Data last updated April 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Luis Obispo to Reagan-National. Data last updated April 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/2. 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 4/237:02 pm
SBP
- DCA
1 stop8h 58m
American Airlines
Sun 4/266:00 am
DCA
- SBP
1 stop9h 10m
American Airlines
Deal found 4/2![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/67:02 pm
SBP
- DCA
2 stops11h 03m
American Airlines
Sat 5/96:00 am
DCA
- SBP
1 stop9h 05m
American Airlines
Deal found 4/2![American Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 4/6. 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 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
Mon 5/113:15 pm
DCA
- SBP
2 stops9h 55m
American Airlines
Deal found 4/6![American Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/712:55 pm
SBP
- DCA
1 stop8h 04m
American Airlines
Sat 5/96:00 am
DCA
- SBP
1 stop9h 05m
American Airlines
Deal found 4/2![American Airlines logo]()
$380
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 April 7, 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 April 7, 2026.
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:20 am
SBP
- DCA
1 stop11h 39m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:36 pm
SBP
- DCA
1 stop19h 24m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 4/5. 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.
Mon 5/117:02 pm
SBP
- DCA
1 stop9h 03m
American Airlines
Deal found 4/5![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:00 am
SBP
- DCA
2 stops11h 05m
United Airlines
Deal found 4/5![United Airlines logo]()
$389
This KAYAK deal was found by Cheapflights users on 4/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/177:02 pm
SBP
- DCA
1 stop9h 03m
American Airlines
Deal found 4/7![American Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Sun 8/912:34 pm
SBP
- DCA
1 stop8h 24m
American Airlines
Deal found 4/3![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 4/7. 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 4/225:00 am
SBP
- DCA
2 stops9h 04m
United Airlines
Deal found 4/7![United Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:52 pm
SBP
- DCA
2 stops12h 04m
United Airlines
Deal found 4/5![United Airlines logo]()
$512
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 April 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $320 (American Airlines) |
Popular in | April |
Cheapest in | October |
Average price | $750 |
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 April 7, 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 - 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
$419
Quickest round-trip
San Luis ObispoWashington, D.C.
SBP - DCA
SBPDCA
San Luis Obispo County
Wed 5/6
7:02 pm-7:00 am
1 stop8h 58m
Washington, D.C. Reagan-National
Mon 5/11
5:15 pm-10:10 pm
1 stop7h 55m
$423
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
$487
Cheapest one-way
San Luis ObispoWashington, D.C.
SBP - DCA
SBPDCA
San Luis Obispo County
Thu 6/11
5:20 pm-4:00 pm
1 stop19h 40m
$372
San Luis ObispoWashington, D.C.
SBP - DCA
SBPDCA
San Luis Obispo County
Mon 5/11
7:02 pm-7:05 am
1 stop9h 03m
$384
Quickest one-way
San Luis ObispoWashington, D.C.
SBP - DCA
SBPDCA
San Luis Obispo County
Tue 5/12
12:55 pm-11:59 pm
1 stop8h 04m
$384
San Luis ObispoWashington, D.C.
SBP - DCA
SBPDCA
San Luis Obispo County
Thu 6/11
6:52 pm-7:59 am
2 stops10h 07m
$389
San Luis ObispoWashington, D.C.
SBP - DCA
SBPDCA
San Luis Obispo County
Sun 5/17
7:02 pm-7:05 am
1 stop9h 03m
$401
San Luis ObispoWashington, D.C.
SBP - DCA
SBPDCA
San Luis Obispo County
Wed 4/22
5:00 am-5:04 pm
2 stops9h 04m
$476
San Luis ObispoWashington, D.C.
SBP - DCA
SBPDCA
San Luis Obispo County
Mon 5/11
5:36 pm-8:00 pm
2 stops23h 24m
$477
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 April.
| 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.
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, December is the cheapest month in which you can book a flight from San Luis Obispo to Washington, D.C. Reagan-National Airport (average of $292). Flying from San Luis Obispo to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $410). 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.
How much does it cost to fly round-trip from San Luis Obispo to Washington, D.C. Reagan-National Airport?
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 April 7, 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.
Overall
7.4
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.6
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.6
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.6
Crew
8.1
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
Woodbridge
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Largo
Bowie
Clinton
Towson
Cordova
Manassas
Falls Church
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Reagan-National flight routes
Alternative routes for San Luis Obispo to Reagan-National
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Complete your trip
Complete your trip to Reagan-National by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Luis Obispo to Reagan-National by cabin class
Find flights from San Luis Obispo to Reagan-National, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Luis Obispo and Reagan-National flights
Browse other San Luis Obispo and Reagan-National flight options. Last updated on April 7, 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 April 7, 2026.
Popular flight searches
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 April 7, 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 2,558,603 searches. Data last updated April 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$358 | Average$579 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$361 | Average$582 | FlexibilityNo cancel fee | On-time71% |