$240+ Cheap flights from San Luis Obispo (SBP) to Dulles Intl (IAD)
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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — IAD
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from San Luis Obispo to Dulles Intl 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 Dulles Intl
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Last-minute
One-way
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 October 25, 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 October 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 12/133:11 pm -
1 stop23h 28m
Mon 12/217:13 pm -
1 stop7h 38m
Deal found 10/21![Alaska Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/185:00 am -
2 stops9h 24m
Sun 11/226:15 am -
1 stop8h 43m
Deal found 10/20![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/2112:57 pm -
1 stop7h 24m
Thu 12/316:00 am -
1 stop8h 50m
Deal found 10/23![United Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/2112:57 pm -
1 stop7h 24m
Mon 1/46:00 am -
1 stop8h 50m
Deal found 10/23![United Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Thu 11/122:15 pm -
1 stop7h 44m
Sun 11/156:15 am -
1 stop8h 43m
Deal found 10/24![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/222:19 pm -
1 stop7h 40m
Mon 1/46:00 am -
1 stop8h 50m
Deal found 10/20![United Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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 12/66:00 am -
1 stop8h 39m
Wed 12/97:00 am -
1 stop14h 26m
Deal found 10/20![Alaska Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/48:00 am -
1 stop7h 54m
Sun 11/86:15 am -
1 stop8h 43m
Deal found 10/21![United Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 12/235:16 pm -
1 stop21h 35m
Thu 12/317:13 pm -
1 stop7h 38m
Deal found 10/23![Alaska Airlines logo]()
$481
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 12/215:16 pm -
1 stop21h 35m
Mon 1/47:13 pm -
1 stop7h 38m
Deal found 10/23![Alaska Airlines logo]()
$491
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 12/73:11 pm -
1 stop23h 28m
Wed 12/167:00 am -
2 stops19h 43m
Deal found 10/22![Alaska Airlines logo]()
$496
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 12/63:11 pm -
1 stop23h 28m
Mon 12/147:00 am -
1 stop14h 26m
Deal found 10/23![Alaska Airlines logo]()
$504
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 October 25, 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 October 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 2/66:00 am -
1 stop8h 50m
Tue 2/96:53 pm -
1 stop7h 41m
Deal found 10/22![Alaska Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 12/73:11 pm -
1 stop23h 28m
Wed 12/166:42 pm -
1 stop8h 01m
Deal found 10/24![Alaska Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 12/133:11 pm -
1 stop23h 28m
Mon 12/217:13 pm -
1 stop7h 38m
Deal found 10/21![Alaska Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 11/196:00 am -
1 stop8h 40m
Tue 12/16:42 pm -
1 stop8h 01m
Deal found 10/23![Alaska Airlines logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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 12/226:00 am -
1 stop8h 51m
Tue 1/56:53 pm -
1 stop7h 41m
Deal found 10/20![Alaska Airlines logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 12/63:11 pm -
1 stop23h 28m
Mon 12/146:42 pm -
1 stop8h 01m
Deal found 10/24![Alaska Airlines logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 2/166:07 am -
1 stop9h 54m
Fri 2/195:25 pm -
1 stop8h 49m
Deal found 10/24![Alaska Airlines logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 12/285:16 pm -
1 stop21h 35m
Mon 1/47:13 pm -
1 stop7h 38m
Deal found 10/22![Alaska Airlines logo]()
$508
Last-minute flights from San Luis Obispo to Dulles IntlDiscover last-minute flight deals from San Luis Obispo to Dulles Intl. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from San Luis Obispo to Dulles Intl. Data last updated October 25, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 10/316:08 am -
1 stop8h 42m
Sat 11/76:46 pm -
1 stop7h 57m
Deal found 10/22![Alaska Airlines logo]()
$519
This American Airlines deal was found by Cheapflights users on 10/22. 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 10/3112:38 pm -
1 stop7h 45m
Sat 11/711:48 am -
2 stops9h 57m
Deal found 10/22![American Airlines logo]()
$591
This Expedia deal was found by Cheapflights users on 10/21. 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.
Mon 11/23:16 pm -
1 stop23h 24m
Tue 11/36:46 pm -
1 stop7h 57m
Deal found 10/21![Alaska Airlines logo]()
$579
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/48:00 am -
1 stop7h 54m
Sun 11/86:15 am -
1 stop8h 43m
Deal found 10/21![United Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/512:36 pm -
1 stop7h 54m
Mon 11/910:44 am -
2 stops11h 01m
Deal found 10/21![American Airlines logo]()
$580
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Thu 11/126:00 am -
1 stop7h 08m
Sat 11/142:38 pm -
1 stop8h 26m
Deal found 10/24![United Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 10/24. 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 11/1212:36 pm -
1 stop7h 54m
Sat 11/1411:48 am -
2 stops9h 57m
Deal found 10/24![American Airlines logo]()
$551
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 11/165:42 pm -
1 stop9h 02m
Thu 11/197:46 am -
1 stop13h 16m
Deal found 10/24![Alaska Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/185:00 am -
2 stops9h 24m
Sun 11/226:15 am -
1 stop8h 43m
Deal found 10/20![United Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 11/196:00 am -
1 stop8h 40m
Tue 12/16:42 pm -
1 stop8h 01m
Deal found 10/21![Alaska Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 10/21. 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 stop7h 26m
Tue 12/11:40 pm -
2 stops11h 41m
Deal found 10/21![American Airlines logo]()
$561
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 October 25, 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 October 25, 2026.
This Priceline deal was found by Cheapflights users on 10/21. 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 11/65:42 pm -
1 stop9h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Alaska Airlines logo]()
$240
This Alaska Airlines deal was found by Cheapflights users on 10/20. 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 2/186:07 am -
1 stop9h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Alaska Airlines logo]()
$265
This Priceline deal was found by Cheapflights users on 10/21. 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.
Mon 11/26:00 am -
1 stop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Alaska Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/195:07 pm -
1 stop10h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 10/20. 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 2/196:00 am -
2 stops12h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 2/185:15 am -
2 stops9h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/64:40 pm -
1 stop9h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/35:00 am -
2 stops9h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$491
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/26:00 am -
2 stops14h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$552
This American Airlines deal was found by Cheapflights users on 10/21. 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 12/197:21 pm -
2 stops10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$564
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $399 (Alaska Airlines) |
One-way from | $240 (Priceline) |
Popular in | April |
Cheapest in | February |
Average price | $782 |
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 7,457,451 searches. Data last updated October 25, 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
Quickest round-trip
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl
SBPIAD
San Luis Obispo County
Fri 11/6
5:42 pm-5:44 am
1 stop9h 02m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$240
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl
SBPIAD
San Luis Obispo County
Thu 2/18
6:07 am-7:01 pm
1 stop9h 54m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$265
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl
SBPIAD
San Luis Obispo County
Fri 2/19
6:00 am-9:59 pm
2 stops12h 59m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$394
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl
SBPIAD
San Luis Obispo County
Sat 2/6
6:00 am-5:50 pm
1 stop8h 50m
Washington, D.C. Dulles Intl
Tue 2/9
6:53 pm-11:34 pm
1 stop7h 41m
$399
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl
SBPIAD
San Luis Obispo County
Mon 12/7
3:11 pm-5:39 pm
1 stop23h 28m
Washington, D.C. Dulles Intl
Wed 12/16
6:42 pm-11:43 pm
1 stop8h 01m
$399
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl
SBPIAD
San Luis Obispo County
Sun 12/13
3:11 pm-5:39 pm
1 stop23h 28m
Washington, D.C. Dulles Intl
Mon 12/21
7:13 pm-11:51 pm
1 stop7h 38m
$399
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl
SBPIAD
San Luis Obispo County
Thu 2/18
5:15 am-5:23 pm
2 stops9h 08m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$459
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl
SBPIAD
San Luis Obispo County
Thu 11/19
6:00 am-5:40 pm
1 stop8h 40m
Washington, D.C. Dulles Intl
Tue 12/1
6:42 pm-11:43 pm
1 stop8h 01m
$464
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl
SBPIAD
San Luis Obispo County
Tue 12/22
6:00 am-5:51 pm
1 stop8h 51m
Washington, D.C. Dulles Intl
Tue 1/5
6:53 pm-11:34 pm
1 stop7h 41m
$464
San Luis ObispoWashington, D.C.
SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl
SBPIAD
San Luis Obispo County
Sun 12/6
3:11 pm-5:39 pm
1 stop23h 28m
Washington, D.C. Dulles Intl
Mon 12/14
6:42 pm-11:43 pm
1 stop8h 01m
$464
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from San Luis Obispo to Dulles Intl
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 Dulles Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
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 October 25, 2026.
Peruse reviews from past customers who have flown with 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.
Food
6.7
Entertainment
7.1
Overall
7.3
Boarding
7.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.7
Entertainment
7.1
Overall
7.3
Boarding
7.7
Crew
8.1
Comfort
7.3
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 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
Chantilly
Woodbridge
Arlington
Owings Mills
Lanham
Sterling
Reston
Herndon
Hyattsville
Rockville
Springfield
Fredericksburg
Falls Church
Tysons
Towson
Oxon Hill
Laurel
Clinton
Hunt Valley
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Top airline flying from San Luis Obispo to Dulles Intl
Discover the top airline 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$496 | FlexibilityNo cancel fee | On-time69% |