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San Luis Obispo

$209+ Cheap flights from Dulles Intl (IAD) to San Luis Obispo (SBP)

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SBP
Jun 27 — Jul 41
Fri 6/27
Fri 7/4
1 adult, Economy
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Cheap flight deals from Dulles Intl to San Luis Obispo

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to San Luis Obispo (SBP). 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 June 22, 2025.

Round-trip from

$333
(United Airlines)

One-way from

$209
(United Airlines)

Popular in

May

Cheapest in

March

Average price

$492
From Washington, D.C. Dulles Intl to San Luis Obispo County
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One-way flight from Washington, D.C. Dulles Intl to San Luis Obispo County
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Highest demand for flights based on searches. 19% potential increase in price ($121 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dulles Intl to San Luis Obispo

Cheapest flights from Dulles Intl to San Luis Obispo
Explore the most affordable flight options available from Dulles Intl to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 22, 2025.

This United Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 8/3012:35 pmIAD - SBP
1 stop7h 53mUnited Airlines
Sat 9/272:19 pmSBP - IAD
1 stop7h 26mUnited Airlines
Deal found 6/20$333
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 8/306:34 amIAD - SBP
2 stops12h 31mAmerican Airlines
Sat 9/2712:24 pmSBP - IAD
1 stop7h 25mAmerican Airlines
Deal found 6/20$338
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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.
Fri 9/125:52 pmIAD - SBP
1 stop22h 40mAlaska Airlines
Tue 9/166:29 pmSBP - IAD
1 stop10h 03mAlaska Airlines
Deal found 6/20$345
This Hawaiian Airlines deal was found by Cheapflights users on 6/20. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:03 pmIAD - SBP
1 stop7h 35mHawaiian Airlines
Sun 10/126:00 amSBP - IAD
1 stop7h 42mHawaiian Airlines
Deal found 6/20$479

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to San Luis Obispo 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 June 22, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Luis Obispo that are best for you.

Fly from

Dulles Intl

Fly to

San Luis Obispo

Route

Depart

Return

Price

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Sat 8/30

12:35 pm-5:28 pm

1 stop7h 53m

San Luis Obispo County

Sat 9/27

2:19 pm-12:45 am

1 stop7h 26m

$333

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Sat 8/30

6:34 am-4:05 pm

2 stops12h 31m

San Luis Obispo County

Sat 9/27

12:24 pm-10:49 pm

1 stop7h 25m

$338

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Fri 9/12

5:52 pm-1:32 pm

1 stop22h 40m

San Luis Obispo County

Tue 9/16

6:29 pm-7:32 am

1 stop10h 03m

$345

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Mon 7/7

5:25 pm-11:13 pm

1 stop8h 48m

San Luis Obispo County

Fri 7/11

6:07 am-6:59 pm

1 stop9h 52m

$591

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Fri 7/11

6:30 am-1:22 pm

1 stop9h 52m

$209

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Fri 7/11

1:19 pm-10:35 pm

2 stops12h 16m

$214

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Sat 7/12

5:25 pm-11:40 pm

1 stop9h 15m

$251

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Sat 7/12

7:59 pm-11:13 pm

2 stops30h 14m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/20

Best time to book a flight from Dulles Intl to San Luis Obispo

Have a flexible travel schedule? Discover the best time to fly to San Luis Obispo from Dulles Intl with our price prediction graph.
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 Washington, D.C. Dulles Intl Airport to San Luis Obispo

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San Luis Obispo?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Luis Obispo (average of $374). Flying from Washington, D.C. Dulles Intl Airport to San Luis Obispo in June is currently the most expensive (average of $526). 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.

Rainfall in San Luis Obispo by month

Plan your trip to San Luis Obispo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Luis Obispo ranges from 0.0 - 4.0 inches per month. December is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit San Luis Obispo when rainfall is around 0.0 in.

Temperature in San Luis Obispo by month

Plan your trip to San Luis Obispo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Luis Obispo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Luis Obispo

Get insights into the airlines that provide service to San Luis Obispo. 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 San Luis Obispo. Reviews last updated June 22, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,518 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,830 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to San Luis Obispo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Luis Obispo from Washington, D.C. Dulles Intl?

    If you book a flight to San Luis Obispo from Washington, D.C. Dulles Intl, you will be flying to County, which is the city’s only airport. San Luis Obispo County (SBP) is located 3.3 mi from the center of San Luis Obispo. There are 0 flights from Washington, D.C. Dulles Intl to County per day from 2 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Luis Obispo round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to San Luis Obispo is United Airlines. Our recent data shows that you can find tickets from as low as $333 on this airline. Additional options worth looking into are American Airlines and Alaska Airlines, starting at $338 and $345 round-trip. United Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to San Luis Obispo one-way?

    One-way options have recently been found by users for as low as $209 on United Airlines. Other airlines that offer cheap prices include American Airlines from $214 and Hawaiian Airlines from $251 one-way.

  • Can I find deals for flights from Dulles Intl to San Luis Obispo that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to San Luis Obispo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to San Luis Obispo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to San Luis Obispo.

  • Can I find deals for business class flights from Dulles Intl to San Luis Obispo?

    Yes. Cheapflights offers flight deals from Dulles Intl to San Luis Obispo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San Luis Obispo?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Luis Obispo (average of $374). Flying from Washington, D.C. Dulles Intl Airport to San Luis Obispo in June is currently the most expensive (average of $526). 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.

See more FAQs

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 locations
Morro Bay
Arroyo Grande
Avila Beach
San Simeon

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Alternative routes for Dulles Intl to San Luis Obispo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Dulles Intl to San Luis Obispo

Discover the top 2 airlines that operate flights from Dulles Intl to San Luis Obispo. 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 June 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$322Average$466FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$391Average$495FlexibilityNo cancel feeOn-time69%

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