$195+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — IAD
May 27 — Jun 31
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 Dulles Intl
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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 April 27, 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 April 27, 2026.
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Wed 7/292:06 pm
SBP
- IAD
1 stop7h 49m
United Airlines
Tue 8/46:30 am
IAD
- SBP
1 stop8h 08m
United Airlines
Deal found 4/24![United Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 5/2312:42 pm
SBP
- IAD
1 stop7h 50m
United Airlines
Sat 5/306:30 am
IAD
- SBP
1 stop9h 39m
United Airlines
Deal found 4/24![United Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:52 pm
SBP
- IAD
2 stops10h 58m
American Airlines
Sat 5/306:14 am
IAD
- SBP
1 stop8h 47m
American Airlines
Deal found 4/23![American Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 4/25. 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 7/112:42 pm
SBP
- IAD
1 stop9h 03m
United Airlines
Wed 7/86:30 am
IAD
- SBP
1 stop8h 08m
United Airlines
Deal found 4/25![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/246:05 pm
SBP
- IAD
1 stop8h 36m
United Airlines
Mon 6/296:30 am
IAD
- SBP
1 stop8h 08m
United Airlines
Deal found 4/26![United Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 5/196:00 am
SBP
- IAD
1 stop8h 42m
Alaska Airlines
Sat 5/237:37 pm
IAD
- SBP
1 stop21h 42m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 4/25. 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 6/36:52 pm
SBP
- IAD
2 stops10h 58m
American Airlines
Sat 6/66:14 am
IAD
- SBP
1 stop8h 47m
American Airlines
Deal found 4/25![American Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 4/25. 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 5/194:32 pm
SBP
- IAD
2 stops13h 17m
American Airlines
Sat 5/236:20 am
IAD
- SBP
2 stops15h 02m
American Airlines
Deal found 4/25![American Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 4/27. 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 7/117:02 pm
SBP
- IAD
2 stops11h 04m
American Airlines
Sat 7/186:15 am
IAD
- SBP
1 stop8h 29m
American Airlines
Deal found 4/27![American Airlines logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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.
Fri 7/106:04 am
SBP
- IAD
1 stop9h 41m
Alaska Airlines
Mon 7/137:49 pm
IAD
- SBP
1 stop24h 28m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$419
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 April 27, 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 April 27, 2026.
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/282:06 pm
SBP
- IAD
1 stop7h 49m
United Airlines
Sat 5/306:30 am
IAD
- SBP
1 stop9h 39m
United Airlines
Deal found 4/23![United Airlines logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 7/105:57 pm
SBP
- IAD
1 stop22h 00m
Alaska Airlines
Mon 7/137:53 pm
IAD
- SBP
1 stop24h 24m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 4/26. 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 6/166:52 pm
SBP
- IAD
2 stops10h 58m
American Airlines
Tue 6/306:19 am
IAD
- SBP
1 stop8h 41m
American Airlines
Deal found 4/26![American Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/246:05 pm
SBP
- IAD
1 stop8h 36m
United Airlines
Mon 6/296:30 am
IAD
- SBP
1 stop8h 08m
United Airlines
Deal found 4/26![United Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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.
Thu 5/216:00 am
SBP
- IAD
1 stop8h 42m
Alaska Airlines
Tue 5/267:37 pm
IAD
- SBP
1 stop21h 42m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 4/26. 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 5/196:00 am
SBP
- IAD
2 stops14h 59m
Alaska Airlines
Sat 5/237:37 pm
IAD
- SBP
1 stop21h 42m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:00 am
SBP
- IAD
1 stop9h 32m
United Airlines
Mon 5/116:43 pm
IAD
- SBP
1 stop8h 01m
United Airlines
Deal found 4/22![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 6/512:42 pm
SBP
- IAD
1 stop9h 03m
United Airlines
Sun 6/76:30 am
IAD
- SBP
1 stop8h 08m
United Airlines
Deal found 4/23![United Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 7/205:57 pm
SBP
- IAD
1 stop21h 48m
Alaska Airlines
Sun 7/267:49 pm
IAD
- SBP
1 stop24h 28m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$474
Last-minute flights from San Luis Obispo to Dulles IntlDiscover last-minute flight deals from San Luis Obispo to Dulles Intl. Data last updated April 27, 2026 and is based on user searches.
Discover last-minute flight deals from San Luis Obispo to Dulles Intl. Data last updated April 27, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
Wed 5/66:00 am
SBP
- IAD
1 stop8h 41m
Alaska Airlines
Mon 5/116:47 pm
IAD
- SBP
1 stop7h 28m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:02 pm
SBP
- IAD
2 stops10h 47m
American Airlines
Tue 5/127:00 am
IAD
- SBP
1 stop8h 05m
American Airlines
Deal found 4/23![American Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/97:02 pm
SBP
- IAD
2 stops10h 47m
American Airlines
Tue 5/1210:32 am
IAD
- SBP
2 stops10h 48m
American Airlines
Deal found 4/22![American Airlines logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 5/196:00 am
SBP
- IAD
1 stop8h 42m
Alaska Airlines
Sat 5/237:37 pm
IAD
- SBP
1 stop21h 42m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/194:32 pm
SBP
- IAD
2 stops13h 17m
American Airlines
Sat 5/236:20 am
IAD
- SBP
2 stops15h 02m
American Airlines
Deal found 4/26![American Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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.
Thu 5/216:00 am
SBP
- IAD
1 stop8h 42m
Alaska Airlines
Tue 5/267:37 pm
IAD
- SBP
1 stop21h 42m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 5/2312:42 pm
SBP
- IAD
1 stop7h 50m
United Airlines
Sat 5/306:30 am
IAD
- SBP
1 stop9h 39m
United Airlines
Deal found 4/24![United Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:52 pm
SBP
- IAD
2 stops10h 58m
American Airlines
Sat 5/306:14 am
IAD
- SBP
1 stop8h 47m
American Airlines
Deal found 4/23![American Airlines logo]()
$357
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 April 27, 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 April 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 6/47:27 pm
SBP
- IAD
1 stop9h 07m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$195
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/166:00 am
SBP
- IAD
1 stop8h 42m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$221
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 6/86:00 am
SBP
- IAD
1 stop8h 42m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$225
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:57 pm
SBP
- IAD
1 stop21h 48m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$230
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 6/57:27 pm
SBP
- IAD
1 stop9h 07m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$250
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 6/96:00 am
SBP
- IAD
1 stop8h 42m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$280
This Expedia deal was found by Cheapflights users on 4/26. 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.
Sun 6/285:57 pm
SBP
- IAD
1 stop21h 48m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$285
This Travelocity deal was found by Cheapflights users on 4/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:00 am
SBP
- IAD
1 stop8h 42m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:05 pm
SBP
- IAD
1 stop9h 42m
United Airlines
Deal found 4/22![United Airlines logo]()
$384
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 April 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $315 (United Airlines) |
One-way from | $195 (Alaska Airlines) |
Popular in | August |
Cheapest in | November |
Average price | $519 |
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 April 27, 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
Thu 5/28
2:06 pm-12:55 am
1 stop7h 49m
Washington, D.C. Dulles Intl
Sat 5/30
6:30 am-1:09 pm
1 stop9h 39m
$352
Quickest round-trip
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Wed 6/24
6:05 pm-5:41 am
1 stop8h 36m
Washington, D.C. Dulles Intl
Mon 6/29
6:30 am-11:38 am
1 stop8h 08m
$379
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Fri 7/10
5:57 pm-6:57 pm
1 stop22h 00m
Washington, D.C. Dulles Intl
Mon 7/13
7:53 pm-5:17 pm
1 stop24h 24m
$389
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Thu 5/21
6:00 am-5:42 pm
1 stop8h 42m
Washington, D.C. Dulles Intl
Tue 5/26
7:37 pm-2:19 pm
1 stop21h 42m
$434
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Tue 5/19
6:00 am-11:59 pm
2 stops14h 59m
Washington, D.C. Dulles Intl
Sat 5/23
7:37 pm-2:19 pm
1 stop21h 42m
$441
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Tue 6/16
6:52 pm-8:50 am
2 stops10h 58m
Washington, D.C. Dulles Intl
Tue 6/30
6:19 am-12:00 pm
1 stop8h 41m
$444
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Thu 5/7
5:00 am-5:32 pm
1 stop9h 32m
Washington, D.C. Dulles Intl
Mon 5/11
6:43 pm-11:44 pm
1 stop8h 01m
$449
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Fri 6/5
12:42 pm-12:45 am
1 stop9h 03m
Washington, D.C. Dulles Intl
Sun 6/7
6:30 am-11:38 am
1 stop8h 08m
$451
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Mon 7/20
5:57 pm-6:45 pm
1 stop21h 48m
Washington, D.C. Dulles Intl
Sun 7/26
7:49 pm-5:17 pm
1 stop24h 28m
$474
Cheapest one-way
San Luis ObispoWashington, D.C.
SBP - IAD
SBPIAD
San Luis Obispo County
Sat 6/6
7:27 pm-7:34 am
1 stop9h 07m
$195
Showing 1-10 of 18 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 April 27, 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.
Comfort
7.8
Overall
7.9
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Overall
7.9
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Overall
7.9
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
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
Tysons
Owings Mills
Springfield
Arlington
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Herndon
Rockville
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Manassas
Fredericksburg
Woodbridge
Hanover
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Upper Marlboro
Waldorf
Clinton
Hunt Valley
Cordova
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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 April 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$519 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$311 | Average$495 | FlexibilityNo cancel fee | On-time75% |