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

American Airlines, at $344, was found to be the cheapest airline from Washington, D.C. to San Luis Obispo.Alternate airlines to your destination round-trip include Alaska Airlines and Hawaiian Airlines. American Airlines is currently priced 39% below the average price you’ll pay for this route.

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

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $209. Users have also found prices from $209 and $228 on United Airlines and Alaska Airlines, respectively.

What is the cheapest day to fly from Washington, D.C. to San Luis Obispo?

Travelers seeking maximum savings on their Washington, D.C. to San Luis Obispo flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Washington, D.C. to San Luis Obispo?

While some choose either Washington, D.C. Reagan-National - San Luis Obispo County or Baltimore/Washington - San Luis Obispo County, Washington, D.C. Dulles Intl - San Luis Obispo County is the most popular route from Washington, D.C. to San Luis Obispo.

What is the cheapest day to fly round-trip from Washington, D.C. to San Luis Obispo?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 47% on the overall cost on flights from Washington, D.C. to San Luis Obispo.

What is the cheapest month to fly from Washington, D.C. to San Luis Obispo?

Our data shows that April tends to be the cheapest month to fly to San Luis Obispo from Washington, D.C.. Users have commonly found prices around $568 for the month, but tickets can be as low as $329. Due to multiple factors, prepare for potentially higher prices in June.

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

If you book a flight to San Luis Obispo from Washington, D.C., 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. to County per day from 2 different airlines.

Can I find deals for flights from Washington, D.C. to San Luis Obispo that include hotel bookings?

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

How can I find direct flights from Washington, D.C. 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 Washington, D.C. to San Luis Obispo.

Can I find deals for business class flights from Washington, D.C. to San Luis Obispo?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$209+ Flights from Washington, D.C. to San Luis Obispo

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Cheap flight deals from Washington, D.C. to San Luis Obispo

Round-trip from	$344 (American Airlines)
One-way from	$209 (American Airlines)
Popular in	June
Cheapest in	April
Average price	$1,291

From Washington, D.C. (WAS) to San Luis Obispo County

Search Deals

One-way flight from Washington, D.C. (WAS) to San Luis Obispo County

Search Deals

Highest demand for flights based on searches. 25% potential increase in price ($189 potential increase over avg. RT price).

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Cheapest flight prices on average. 12% potential price decrease ($66 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 Washington, D.C. to San Luis Obispo

Cheapest flights from Washington, D.C. to San Luis Obispo
Explore the most affordable flight options available from Washington, D.C. to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Sat 11/15:51 pmIAD - SBP

1 stop8h 35mAlaska Airlines

Tue 11/46:00 amSBP - IAD

1 stop8h 06mAlaska Airlines

Deal found 6/10

$325

Wed 8/66:45 amDCA - SBP

1 stop7h 40mAmerican Airlines

Tue 8/1212:18 pmSBP - DCA

1 stop9h 51mAmerican Airlines

Deal found 6/11

$344

Wed 8/66:27 amIAD - SBP

1 stop7h 58mAmerican Airlines

Tue 8/126:00 amSBP - IAD

2 stops13h 56mAmerican Airlines

Deal found 6/10

$349

Wed 8/207:00 amBWI - SBP

1 stop7h 25mAmerican Airlines

Wed 8/2712:18 pmSBP - BWI

1 stop7h 44mAmerican Airlines

Deal found 6/11

$369

Wed 8/68:59 amDCA - SBP

1 stop14h 31mAlaska Airlines

Mon 8/116:07 amSBP - DCA

2 stops32h 51mAlaska Airlines

Deal found 6/10

$418

Wed 7/165:25 pmIAD - SBP

1 stop8h 48mHawaiian Airlines

Mon 7/216:07 amSBP - IAD

1 stop9h 52mHawaiian Airlines

Deal found 6/10

$442

Sat 6/215:53 pmIAD - SBP

1 stop9h 06mUnited Airlines

Sat 6/286:00 pmSBP - IAD

1 stop8h 18mUnited Airlines

Deal found 6/10

$451

Mon 10/66:17 pmBWI - SBP

1 stop27h 26mAlaska Airlines

Mon 10/137:35 pmSBP - BWI

1 stop18h 37mAlaska Airlines

Deal found 6/10

$455

Fri 8/110:05 amBWI - SBP

2 stops12h 54mUnited Airlines

Sun 8/36:00 pmSBP - BWI

1 stop8h 28mUnited Airlines

Deal found 6/12

$517

Wed 8/66:25 amDCA - SBP

2 stops16h 34mUnited Airlines

Tue 8/126:00 pmSBP - DCA

3 stops19h 03mUnited Airlines

Deal found 6/10

$545

Best flights from Washington, D.C. to San Luis Obispo
Discover carefully curated flight deals from Washington, D.C. to San Luis Obispo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Wed 8/66:45 amDCA - SBP

1 stop7h 40mAmerican Airlines

Tue 8/1212:18 pmSBP - DCA

1 stop9h 51mAmerican Airlines

Deal found 6/11

$344

Sat 8/306:09 pmIAD - SBP

1 stop26h 28mAlaska Airlines

Sun 9/76:29 pmSBP - IAD

1 stop10h 03mAlaska Airlines

Deal found 6/11

$352

Wed 7/165:25 pmIAD - SBP

1 stop8h 48mHawaiian Airlines

Mon 7/216:07 amSBP - IAD

1 stop9h 52mHawaiian Airlines

Deal found 6/10

$442

Sat 6/215:53 pmIAD - SBP

1 stop9h 06mUnited Airlines

Sat 6/286:00 pmSBP - IAD

1 stop8h 18mUnited Airlines

Deal found 6/10

$451

Wed 8/66:27 amIAD - SBP

1 stop7h 58mAmerican Airlines

Tue 8/126:00 amSBP - IAD

2 stops13h 56mAmerican Airlines

Deal found 6/10

$349

Wed 8/207:00 amBWI - SBP

1 stop7h 25mAmerican Airlines

Wed 8/2712:18 pmSBP - BWI

1 stop7h 44mAmerican Airlines

Deal found 6/11

$369

Wed 8/68:59 amDCA - SBP

1 stop14h 31mAlaska Airlines

Mon 8/116:07 amSBP - DCA

2 stops32h 51mAlaska Airlines

Deal found 6/10

$418

Wed 9/1010:10 amBWI - SBP

2 stops11h 09mUnited Airlines

Sun 9/143:45 pmSBP - BWI

2 stops13h 21mUnited Airlines

Deal found 6/10

$542

Wed 8/66:25 amDCA - SBP

2 stops16h 34mUnited Airlines

Tue 8/126:00 pmSBP - DCA

3 stops19h 03mUnited Airlines

Deal found 6/10

$545

Last-minute flights from Washington, D.C. to San Luis Obispo
Discover last-minute flight deals from Washington, D.C. to San Luis Obispo. Data last updated June 12, 2025 and is based on user searches.

Thu 6/128:09 amBWI - SBP

2 stops10h 52mUnited Airlines

Tue 6/175:55 pmSBP - BWI

1 stop8h 39mUnited Airlines

Deal found 6/11

$609

Fri 6/207:00 amDCA - SBP

1 stop7h 56mUnited Airlines

Fri 6/204:50 pmSBP - DCA

2 stops19h 15mUnited Airlines

Deal found 6/11

$751

Sat 6/215:53 pmIAD - SBP

1 stop9h 06mUnited Airlines

Sat 6/286:00 pmSBP - IAD

1 stop8h 18mUnited Airlines

Deal found 6/10

$451

Sat 6/215:25 pmIAD - SBP

1 stop9h 15mAlaska Airlines

Fri 6/277:35 pmSBP - IAD

1 stop8h 52mAlaska Airlines

Deal found 6/10

$557

Sat 6/211:08 pmIAD - SBP

2 stops12h 27mAmerican Airlines

Fri 6/2712:17 pmSBP - IAD

1 stop7h 22mAmerican Airlines

Deal found 6/10

$563

Sun 6/225:25 pmIAD - SBP

1 stop8h 48mHawaiian Airlines

Fri 6/277:35 pmSBP - IAD

1 stop8h 52mHawaiian Airlines

Deal found 6/10

$645

Mon 7/77:29 amDCA - SBP

1 stop7h 25mAmerican Airlines

Fri 7/1112:15 pmSBP - DCA

1 stop7h 45mAmerican Airlines

Deal found 6/11

$481

Mon 7/76:27 amIAD - SBP

1 stop7h 53mAmerican Airlines

Fri 7/1112:15 pmSBP - IAD

1 stop7h 31mAmerican Airlines

Deal found 6/11

$481

Mon 7/76:50 amBWI - SBP

1 stop7h 30mAmerican Airlines

Fri 7/1112:15 pmSBP - BWI

1 stop8h 02mAmerican Airlines

Deal found 6/12

$509

Wed 7/165:25 pmIAD - SBP

1 stop8h 48mHawaiian Airlines

Mon 7/216:07 amSBP - IAD

1 stop9h 52mHawaiian Airlines

Deal found 6/10

$442

Wed 7/168:59 amDCA - SBP

1 stop9h 06mAlaska Airlines

Mon 7/216:07 amSBP - DCA

1 stop11h 52mAlaska Airlines

Deal found 6/12

$456

Wed 7/165:25 pmIAD - SBP

1 stop8h 48mAlaska Airlines

Mon 7/217:35 pmSBP - IAD

2 stops20h 44mAlaska Airlines

Deal found 6/10

$461

One-way flights from Washington, D.C. to San Luis Obispo
Search for one-way flight options from Washington, D.C. to San Luis Obispo. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Fri 8/86:45 amDCA - SBP

1 stop7h 40mAmerican Airlines

Deal found 6/11

$209

Fri 8/86:32 amIAD - SBP

1 stop8h 39mUnited Airlines

Deal found 6/11

$209

Fri 8/810:25 amIAD - SBP

2 stops11h 11mAmerican Airlines

Deal found 6/11

$214

Mon 7/78:59 amDCA - SBP

1 stop17h 14mAlaska Airlines

Deal found 6/10

$228

Mon 7/78:59 amDCA - SBP

1 stop9h 06mHawaiian Airlines

Deal found 6/11

$242

Mon 7/76:50 amBWI - SBP

1 stop7h 30mAmerican Airlines

Deal found 6/12

$255

Fri 8/86:42 amBWI - SBP

1 stop8h 29mUnited Airlines

Deal found 6/11

$284

Mon 7/77:59 pmIAD - SBP

2 stops22h 06mAlaska Airlines

Deal found 6/11

$343

Fri 6/2712:50 pmIAD - SBP

3 stops13h 23mMultiple Airlines

Deal found 6/10

$901

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to San Luis Obispo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Sat 11/1

5:51 pm-11:26 pm

1 stop8h 35m

San Luis Obispo County

Tue 11/4

6:00 am-5:06 pm

1 stop8h 06m

$325

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Wed 8/6

6:45 am-11:25 am

1 stop7h 40m

San Luis Obispo County

Tue 8/12

12:18 pm-1:09 am

1 stop9h 51m

$344

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Wed 8/6

6:27 am-11:25 am

1 stop7h 58m

San Luis Obispo County

Tue 8/12

6:00 am-10:56 pm

2 stops13h 56m

$349

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Wed 8/20

7:00 am-11:25 am

1 stop7h 25m

San Luis Obispo County

Wed 8/27

12:18 pm-11:02 pm

1 stop7h 44m

$369

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Wed 8/6

8:59 am-8:30 pm

1 stop14h 31m

San Luis Obispo County

Mon 8/11

6:07 am-5:58 pm

2 stops32h 51m

$418

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Wed 7/16

5:25 pm-11:13 pm

1 stop8h 48m

San Luis Obispo County

Mon 7/21

6:07 am-6:59 pm

1 stop9h 52m

$442

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Mon 10/6

6:17 pm-6:43 pm

1 stop27h 26m

San Luis Obispo County

Mon 10/13

7:35 pm-5:12 pm

1 stop18h 37m

$455

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Fri 8/1

10:05 am-7:59 pm

2 stops12h 54m

San Luis Obispo County

Sun 8/3

6:00 pm-5:28 am

1 stop8h 28m

$517

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Wed 8/6

6:25 am-7:59 pm

2 stops16h 34m

San Luis Obispo County

Tue 8/12

6:00 pm-4:03 pm

3 stops19h 03m

$545

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Fri 8/8

6:45 am-11:25 am

1 stop7h 40m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 19 results

Best time to book a flight from Washington, D.C. to San Luis Obispo

Have a flexible travel schedule? Discover the best time to fly to San Luis Obispo from Washington, D.C. 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. to San Luis Obispo

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to San Luis Obispo (average of $374). Flying from Washington, D.C. to San Luis Obispo in June is currently the most expensive (average of $528). 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.

What is the cheapest time of day to fly from WAS to SBP?

It’s typically best to fly out from Washington, D.C. to San Luis Obispo at noon. Doing so could potentially save you 12% on the flight price compared to flying in the afternoon, which is usually more expensive.

Rainfall in San Luis Obispo 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

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

See what other customers who have flown with Alaska Airlines, Hawaiian Airlines and United Airlines from Washington, D.C. to San Luis Obispo have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

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

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,494 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

8,790 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

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

What airport do you fly into for flights to San Luis Obispo from Washington, D.C.?
If you book a flight to San Luis Obispo from Washington, D.C., 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. to County per day from 2 different airlines.
What are the cheapest airlines flying from Washington, D.C. to San Luis Obispo round-trip?
American Airlines, at $344, was found to be the cheapest airline from Washington, D.C. to San Luis Obispo.Alternate airlines to your destination round-trip include Alaska Airlines and Hawaiian Airlines. American Airlines is currently priced 39% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Washington, D.C. to San Luis Obispo one-way?
For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $209. Users have also found prices from $209 and $228 on United Airlines and Alaska Airlines, respectively.
What are the most popular routes from Washington, D.C. to San Luis Obispo?
While some choose either Washington, D.C. Reagan-National - San Luis Obispo County or Baltimore/Washington - San Luis Obispo County, Washington, D.C. Dulles Intl - San Luis Obispo County is the most popular route from Washington, D.C. to San Luis Obispo.
Can I find deals for flights from Washington, D.C. to San Luis Obispo that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to San Luis Obispo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. 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 Washington, D.C. to San Luis Obispo.
Can I find deals for business class flights from Washington, D.C. to San Luis Obispo?
Yes. Cheapflights offers flight deals from Washington, D.C. 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. to San Luis Obispo?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to San Luis Obispo (average of $374). Flying from Washington, D.C. to San Luis Obispo in June is currently the most expensive (average of $528). 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

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Top 2 airlines flying from Washington, D.C. to San Luis Obispo

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$322	Average$582	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$383	Average$590	FlexibilityNo cancel fee	On-time69%

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$209+ Cheap flights from Washington, D.C. (WAS) 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to San Luis Obispo with Cheapflights

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Cheap flight deals from Washington, D.C. to San Luis Obispo

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Find flight deals from Washington, D.C. to San Luis Obispo

Cheapest flights from Washington, D.C. to San Luis ObispoExplore the most affordable flight options available from Washington, D.C. to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Washington, D.C. to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to San Luis Obispo that are best for you.

Best time to book a flight from Washington, D.C. to San Luis Obispo

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to San Luis Obispo

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

What is the cheapest time of day to fly from WAS to SBP?

Find hourly flight availability from Washington, D.C. to San Luis Obispo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Rainfall in San Luis Obispo by month

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

Temperature in San Luis Obispo by month

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

Reviews of airlines servicing San Luis Obispo

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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.?

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

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

What are the most popular routes from Washington, D.C. to San Luis Obispo?

Can I find deals for flights from Washington, D.C. to San Luis Obispo that include hotel bookings?

How can I find direct flights from Washington, D.C. to San Luis Obispo?

Can I find deals for business class flights from Washington, D.C. to San Luis Obispo?

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

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Alternative routes for Washington, D.C. to San Luis Obispo

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Top 2 airlines flying from Washington, D.C. to San Luis Obispo

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Cheapest flights from Washington, D.C. to San Luis Obispo
Explore the most affordable flight options available from Washington, D.C. to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.