$225+ Cheap flights from San Luis Obispo (SBP) to Dulles Intl (IAD)
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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — IAD
Aug 11 — Aug 181
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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Best
Last-minute
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Cheapest flights from San Luis Obispo to Dulles IntlExplore the most affordable flight options available from San Luis Obispo to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.
Explore the most affordable flight options available from San Luis Obispo to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.
This American Airlines deal was found by Cheapflights users on 7/8. 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 8/2712:29 pm
SBP
- IAD
1 stop7h 23m
American Airlines
Mon 8/316:09 am
IAD
- SBP
1 stop8h 30m
American Airlines
Deal found 7/8![American Airlines logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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.
Fri 9/1110:18 am
SBP
- IAD
1 stop10h 41m
Alaska Airlines
Sun 9/137:47 pm
IAD
- SBP
1 stop21h 57m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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.
Tue 7/285:57 pm
SBP
- IAD
1 stop21h 48m
Alaska Airlines
Tue 8/47:53 pm
IAD
- SBP
1 stop24h 24m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/63:45 pm
SBP
- IAD
1 stop24h 16m
Alaska Airlines
Mon 12/145:25 pm
IAD
- SBP
1 stop8h 49m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 7/8. 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 11/612:28 pm
SBP
- IAD
1 stop7h 04m
American Airlines
Thu 11/126:04 am
IAD
- SBP
1 stop8h 39m
American Airlines
Deal found 7/8![American Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am
SBP
- IAD
1 stop9h 14m
Alaska Airlines
Tue 9/157:47 pm
IAD
- SBP
1 stop21h 57m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$431
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:18 am
SBP
- IAD
1 stop10h 41m
Alaska Airlines
Wed 9/169:03 am
IAD
- SBP
1 stop12h 00m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:18 am
SBP
- IAD
1 stop10h 41m
Alaska Airlines
Wed 9/169:03 am
IAD
- SBP
1 stop12h 00m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 9/510:11 am
SBP
- IAD
1 stop16h 29m
Alaska Airlines
Sun 9/137:47 pm
IAD
- SBP
1 stop21h 57m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 7/9. 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.
Fri 7/242:06 pm
SBP
- IAD
1 stop7h 49m
United Airlines
Tue 7/286:30 am
IAD
- SBP
1 stop8h 08m
United Airlines
Deal found 7/9![United Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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.
Fri 9/253:24 pm
SBP
- IAD
1 stop23h 50m
Alaska Airlines
Tue 9/297:00 am
IAD
- SBP
2 stops16h 01m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$450
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am
SBP
- IAD
1 stop9h 14m
Alaska Airlines
Wed 9/169:03 am
IAD
- SBP
1 stop12h 00m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$456
Best flights from San Luis Obispo to Dulles IntlDiscover carefully curated flight deals from San Luis Obispo to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 12, 2026.
Discover carefully curated flight deals from San Luis Obispo to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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 12/73:45 pm
SBP
- IAD
1 stop24h 16m
Alaska Airlines
Wed 12/165:25 pm
IAD
- SBP
1 stop8h 49m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/7. 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 9/95:00 am
SBP
- IAD
1 stop9h 50m
United Airlines
Sun 9/136:42 am
IAD
- SBP
1 stop8h 11m
United Airlines
Deal found 7/7![United Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 7/11. 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.
Fri 9/253:24 pm
SBP
- IAD
1 stop23h 50m
Alaska Airlines
Tue 9/297:47 pm
IAD
- SBP
1 stop21h 57m
Alaska Airlines
Deal found 7/11![Alaska Airlines logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 7/11. 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.
Sat 8/296:00 am
SBP
- IAD
1 stop9h 14m
Alaska Airlines
Tue 9/17:35 pm
IAD
- SBP
1 stop7h 15m
Alaska Airlines
Deal found 7/11![Alaska Airlines logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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.
Fri 9/1110:18 am
SBP
- IAD
1 stop10h 41m
Alaska Airlines
Sun 9/137:47 pm
IAD
- SBP
1 stop21h 57m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/63:45 pm
SBP
- IAD
1 stop24h 16m
Alaska Airlines
Mon 12/145:25 pm
IAD
- SBP
1 stop8h 49m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 11/233:45 pm
SBP
- IAD
1 stop24h 16m
Alaska Airlines
Wed 12/25:25 pm
IAD
- SBP
1 stop8h 49m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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.
Fri 8/286:00 am
SBP
- IAD
1 stop9h 14m
Alaska Airlines
Tue 9/17:35 pm
IAD
- SBP
1 stop7h 15m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:18 am
SBP
- IAD
1 stop10h 41m
Alaska Airlines
Mon 9/145:57 pm
IAD
- SBP
1 stop18h 41m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$477
Last-minute flights from San Luis Obispo to Dulles IntlDiscover last-minute flight deals from San Luis Obispo to Dulles Intl. Data last updated July 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Luis Obispo to Dulles Intl. Data last updated July 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/9. 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 7/152:06 pm
SBP
- IAD
1 stop7h 49m
United Airlines
Wed 7/296:30 am
IAD
- SBP
1 stop8h 08m
United Airlines
Deal found 7/9![United Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 7/9. 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.
Fri 7/242:06 pm
SBP
- IAD
1 stop7h 49m
United Airlines
Tue 7/286:30 am
IAD
- SBP
1 stop8h 08m
United Airlines
Deal found 7/9![United Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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.
Tue 7/285:57 pm
SBP
- IAD
1 stop21h 48m
Alaska Airlines
Tue 8/47:53 pm
IAD
- SBP
1 stop24h 24m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 8/55:57 pm
SBP
- IAD
1 stop21h 48m
Alaska Airlines
Wed 8/126:03 am
IAD
- SBP
1 stop15h 51m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$475
This Expedia deal was found by Cheapflights users on 7/12. 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.
Tue 8/115:57 pm
SBP
- IAD
1 stop21h 48m
Alaska Airlines
Tue 8/187:53 pm
IAD
- SBP
1 stop21h 51m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$424
This Expedia deal was found by Cheapflights users on 7/9. 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.
Sat 8/223:24 pm
SBP
- IAD
2 stops23h 24m
Alaska Airlines
Tue 8/257:35 pm
IAD
- SBP
1 stop7h 15m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$462
This American Airlines deal was found by Cheapflights users on 7/8. 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 8/2712:29 pm
SBP
- IAD
1 stop7h 23m
American Airlines
Mon 8/316:09 am
IAD
- SBP
1 stop8h 30m
American Airlines
Deal found 7/8![American Airlines logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 8/273:24 pm
SBP
- IAD
1 stop23h 50m
Alaska Airlines
Mon 8/317:00 am
IAD
- SBP
2 stops12h 54m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$480
This Alaska Airlines deal was found by Cheapflights users on 7/9. 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.
Sat 8/296:00 am
SBP
- IAD
1 stop9h 14m
Alaska Airlines
Tue 9/19:03 am
IAD
- SBP
2 stops13h 58m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$450
One-way flights from San Luis Obispo to Dulles IntlSearch for one-way flight options from San Luis Obispo to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
Search for one-way flight options from San Luis Obispo to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
This Priceline deal was found by Cheapflights users on 7/10. 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 7/296:04 am
SBP
- IAD
1 stop9h 41m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$225
This Alaska Airlines deal was found by Cheapflights users on 7/9. 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.
Sat 9/56:00 am
SBP
- IAD
1 stop9h 14m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$240
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 7/305:57 pm
SBP
- IAD
1 stop21h 48m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$280
This Priceline deal was found by Cheapflights users on 7/11. 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.
Fri 8/76:04 am
SBP
- IAD
1 stop9h 41m
Alaska Airlines
Deal found 7/11![Alaska Airlines logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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.
Tue 7/286:04 am
SBP
- IAD
1 stop9h 41m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$310
This Booking.com deal was found by Cheapflights users on 7/12. 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.
Fri 8/145:57 pm
SBP
- IAD
1 stop22h 00m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Fri 8/76:25 am
SBP
- IAD
1 stop9h 46m
United Airlines
Deal found 7/10![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 7/9. 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 7/307:02 pm
SBP
- IAD
2 stops13h 05m
American Airlines
Deal found 7/9![American Airlines logo]()
$379
Find flight deals from San Luis Obispo to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from San Luis Obispo (SBP) to Dulles Intl (IAD). 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 July 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Alaska Airlines) |
One-way from | $225 (Priceline) |
Popular in | June |
Cheapest in | March |
Average price | $511 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Luis Obispo to Dulles Intl 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 July 12, 2026.
Use the filters below to find and compare flights from San Luis Obispo to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Mon 12/7
3:45 pm-7:01 pm
1 stop24h 16m
Washington, D.C. Dulles Intl
Wed 12/16
5:25 pm-11:14 pm
1 stop8h 49m
$369
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Fri 9/25
3:24 pm-6:14 pm
1 stop23h 50m
Washington, D.C. Dulles Intl
Tue 9/29
7:47 pm-2:44 pm
1 stop21h 57m
$369
Quickest round-trip
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Sat 8/29
6:00 am-6:14 pm
1 stop9h 14m
Washington, D.C. Dulles Intl
Tue 9/1
7:35 pm-11:50 pm
1 stop7h 15m
$369
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Fri 9/11
10:18 am-11:59 pm
1 stop10h 41m
Washington, D.C. Dulles Intl
Sun 9/13
7:47 pm-2:44 pm
1 stop21h 57m
$401
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Sun 12/6
3:45 pm-7:01 pm
1 stop24h 16m
Washington, D.C. Dulles Intl
Mon 12/14
5:25 pm-11:14 pm
1 stop8h 49m
$424
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Mon 11/23
3:45 pm-7:01 pm
1 stop24h 16m
Washington, D.C. Dulles Intl
Wed 12/2
5:25 pm-11:14 pm
1 stop8h 49m
$424
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Fri 8/28
6:00 am-6:14 pm
1 stop9h 14m
Washington, D.C. Dulles Intl
Tue 9/1
7:35 pm-11:50 pm
1 stop7h 15m
$424
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Fri 9/11
10:18 am-11:59 pm
1 stop10h 41m
Washington, D.C. Dulles Intl
Mon 9/14
5:57 pm-9:38 am
1 stop18h 41m
$477
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Wed 9/9
5:00 am-5:50 pm
1 stop9h 50m
Washington, D.C. Dulles Intl
Sun 9/13
6:42 am-11:53 am
1 stop8h 11m
$479
Cheapest one-way
Quickest one-way
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Thu 8/13
6:04 am-6:45 pm
1 stop9h 41m
$240
Showing 1-10 of 15 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on San Luis Obispo-Washington, D.C. Dulles Intl 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. Dulles Intl 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. Dulles Intl 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. Dulles Intl 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. Dulles Intl 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 Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Luis Obispo with our price prediction graph.
SBP-IAD
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. Dulles Intl Airport
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated July 12, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines and United Airlines from San Luis Obispo to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Food
7.1
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from San Luis Obispo to Dulles Intl. 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. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Falls Church
Fredericksburg
Hanover
Chantilly
Laurel
Sterling
Silver Spring
Clinton
Hunt Valley
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San Luis Obispo and Dulles Intl flights
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Top 2 airlines flying from San Luis Obispo to Dulles Intl
Discover the top 2 airlines that operate flights from San Luis Obispo to Dulles Intl. 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 July 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$562 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$543 | FlexibilityNo cancel fee | On-time75% |