What is the cheapest airline that flies from Washington, D.C. to San Luis Obispo County?

Alaska Airlines is the most popular carrier operating from Washington, D.C. to San Luis Obispo County

How long does it take to fly to San Luis Obispo?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in San Luis Obispo you fly into. For example, flying from Baltimore to Santa Barbara takes 7h 17m on average. On the other hand, flying from Washington, D.C. to Santa Barbara takes 7h 30m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

Which layover airport has the shortest connection time from Washington, D.C. to San Luis Obispo?

Dallas (DFW) has the shortest average layover time for this route: 0h 52m.

Which layover airport has the shortest travel time from Washington, D.C. to San Luis Obispo?

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 7h 30m.

Which layover airport offers the lowest fares from Washington, D.C. to San Luis Obispo?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $466.

Which airport is the most popular layover for flights between Washington, D.C. and San Luis Obispo?

San Diego (SAN) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to San Luis Obispo?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to San Luis Obispo from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to San Luis Obispo. Keep in mind that there are 4 different airlines that fly to San Luis Obispo on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington, D.C. to San Luis Obispo County Airport?

Prices for flights from Washington, D.C. to San Luis Obispo County Airport were last updated today.

How many operators does momondo search for flights from Washington, D.C. to San Luis Obispo County Airport?

The number of operators available for flights from Washington, D.C. to San Luis Obispo County Airport is 2 as of February 2026.

How old do you have to be to fly from Washington, D.C. to San Luis Obispo County Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to San Luis Obispo County Airport.

What documentation or ID do you need to fly to San Luis Obispo County Airport?

The necessary travel and health documents for your San Luis Obispo County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$185 Cheap Flights from Washington, D.C. to San Luis Obispo in 2026

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Find the cheapest flights from Washington, D.C. to San Luis Obispo

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:22 pm - 11:34 pm

IAD

SBP

8h 12m

1 stop

6:00 am - 5:41 pm

SBP

IAD

8h 41m

1 stop

$314Alaska Airlines

Fri, Apr 17 - Wed, Apr 22

7:00 am - 12:03 pm

DCA

SBP

8h 03m

1 stop

7:10 pm - 7:00 am

SBP

DCA

8h 50m

1 stop

$329American Airlines

Tue, Mar 24 - Wed, Apr 1

2:12 pm - 9:04 pm

IAD

SBP

9h 52m

1 stop

2:12 pm - 1:25 am

SBP

IAD

8h 13m

1 stop

$329United Airlines

Tue, Mar 24 - Wed, Apr 1

6:25 pm - 12:15 am

BWI

SBP

8h 50m

1 stop

8:42 pm - 7:20 am

SBP

BWI

7h 38m

1 stop

$329United Airlines

Wed, May 6 - Sun, May 10

6:22 pm - 11:34 pm

IAD

SBP

8h 12m

1 stop

6:00 am - 5:50 am

SBP

IAD

20h 50m

2 stops

$331Alaska Airlines

Fri, Apr 17 - Wed, Apr 22

7:00 am - 12:03 pm

DCA

SBP

8h 03m

1 stop

7:10 pm - 8:59 am

SBP

DCA

10h 49m

2 stops

$334American Airlines

Tue, Mar 24 - Wed, Apr 1

11:51 am - 6:22 pm

IAD

SBP

9h 31m

2 stops

12:18 pm - 10:44 pm

SBP

IAD

7h 26m

1 stop

$334American Airlines

Sat, Aug 15 - Sat, Aug 22

6:28 pm - 11:44 pm

BWI

SBP

8h 16m

1 stop

2:30 pm - 6:00 am

SBP

BWI

12h 30m

2 stops

$334United Airlines

Thu, Apr 23 - Mon, Apr 27

6:30 am - 11:34 am

IAD

SBP

8h 04m

1 stop

6:55 pm - 6:00 am

SBP

IAD

8h 05m

1 stop

$336United Airlines

Sat, Aug 15 - Sat, Aug 22

12:40 pm - 11:44 pm

BWI

SBP

14h 04m

2 stops

8:50 pm - 10:02 am

SBP

BWI

10h 12m

2 stops

$339United Airlines

Wed, Apr 8 - Sun, Apr 12

Alaska Airlines flights from Washington, D.C. to San Luis Obispo

Our best Alaska Airlines deals on Washington, D.C. to San Luis Obispo flight tickets

Alaska Airlines

Apr 17

IAD6:22 pmWashington, D.C. Dulles Intl

8h 12m

1 stop

SBP11:34 pmSan Luis Obispo County

Apr 22

SBP6:00 amSan Luis Obispo County

8h 41m

1 stop

IAD5:41 pmWashington, D.C. Dulles Intl

$314

Alaska Airlines

Apr 17

IAD6:22 pmWashington, D.C. Dulles Intl

8h 12m

1 stop

SBP11:34 pmSan Luis Obispo County

Apr 22

SBP6:00 amSan Luis Obispo County

20h 50m

2 stops

IAD5:50 amWashington, D.C. Dulles Intl

$331

Alaska Airlines

Apr 17

IAD7:11 pmWashington, D.C. Dulles Intl

26h 31m

1 stop

SBP6:42 pmSan Luis Obispo County

Apr 21

SBP7:34 pmSan Luis Obispo County

31h 16m

1 stop

IAD5:50 amWashington, D.C. Dulles Intl

$363

American Airlines flights from Washington, D.C. to San Luis Obispo

Our best American Airlines deals on Washington, D.C. to San Luis Obispo flight tickets

American Airlines

Mar 24

DCA7:00 amWashington, D.C. Reagan-National

8h 03m

1 stop

SBP12:03 pmSan Luis Obispo County

Apr 1

SBP7:10 pmSan Luis Obispo County

8h 50m

1 stop

DCA7:00 amWashington, D.C. Reagan-National

$329

American Airlines

Mar 24

DCA7:00 amWashington, D.C. Reagan-National

8h 03m

1 stop

SBP12:03 pmSan Luis Obispo County

Apr 1

SBP7:10 pmSan Luis Obispo County

10h 49m

2 stops

DCA8:59 amWashington, D.C. Reagan-National

$334

American Airlines

Mar 6

DCA2:16 pmWashington, D.C. Reagan-National

12h 30m

2 stops

SBP11:46 pmSan Luis Obispo County

Mar 9

SBP7:10 pmSan Luis Obispo County

10h 49m

2 stops

DCA8:59 amWashington, D.C. Reagan-National

$405

momondo 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

Fri 4/17

6:22 pm-11:34 pm

1 stop8h 12m

San Luis Obispo County

Wed 4/22

6:00 am-5:41 pm

1 stop8h 41m

$314

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Tue 3/24

7:00 am-12:03 pm

1 stop8h 03m

San Luis Obispo County

Wed 4/1

7:10 pm-7:00 am

1 stop8h 50m

$329

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Tue 3/24

2:12 pm-9:04 pm

1 stop9h 52m

San Luis Obispo County

Wed 4/1

2:12 pm-1:25 am

1 stop8h 13m

$329

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Wed 5/6

6:25 pm-12:15 am

1 stop8h 50m

San Luis Obispo County

Sun 5/10

8:42 pm-7:20 am

1 stop7h 38m

$329

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Fri 4/17

6:22 pm-11:34 pm

1 stop8h 12m

San Luis Obispo County

Wed 4/22

6:00 am-5:50 am

2 stops20h 50m

$331

Washington, D.C.San Luis Obispo

DCA - SBP

DCASBP

Washington, D.C. Reagan-National

Tue 3/24

7:00 am-12:03 pm

1 stop8h 03m

San Luis Obispo County

Wed 4/1

7:10 pm-8:59 am

2 stops10h 49m

$334

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Sat 8/15

11:51 am-6:22 pm

2 stops9h 31m

San Luis Obispo County

Sat 8/22

12:18 pm-10:44 pm

1 stop7h 26m

$334

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Thu 4/23

6:28 pm-11:44 pm

1 stop8h 16m

San Luis Obispo County

Mon 4/27

2:30 pm-6:00 am

2 stops12h 30m

$334

Washington, D.C.San Luis Obispo

IAD - SBP

IADSBP

Washington, D.C. Dulles Intl

Sat 8/15

6:30 am-11:34 am

1 stop8h 04m

San Luis Obispo County

Sat 8/22

6:55 pm-6:00 am

1 stop8h 05m

$336

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Wed 4/8

12:40 pm-11:44 pm

2 stops14h 04m

San Luis Obispo County

Sun 4/12

8:50 pm-10:02 am

2 stops10h 12m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to San Luis Obispo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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Other information

What is the cheapest month to fly to San Luis Obispo?

In general, April is the cheapest month to fly from Washington, D.C. to San Luis Obispo. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $369. The month of January is another great option to travel to San Luis Obispo, with average flight prices from Washington, D.C. averaging around $436.

Can stopping save me money on Washington, D.C. to San Luis Obispo flights?

You could potentially save up to 46% on your flight if you consider stops on a Washington, D.C. to San Luis Obispo flight.

When to book flights from Washington, D.C. to San Luis Obispo

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to San Luis Obispo according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to San Luis Obispo (WAS to SBP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to San Luis Obispo

Fastest flight time	7h 34m
Direct flights	None

The fastest flight from Washington, D.C. to San Luis Obispo takes 7h 34m

There are no direct flights from Washington, D.C. to San Luis Obispo. There are no popular flight routes from Washington, D.C. to San Luis Obispo.

Search flight deals

How far is Washington, D.C. to San Luis Obispo County by plane?
A flight from Washington, D.C. to San Luis Obispo County will travel around 2392.7 mi. A reasonable flight in good conditions will take 7h 34m.
When did momondo last update prices for flights from Washington, D.C. to San Luis Obispo County Airport?
Prices for flights from Washington, D.C. to San Luis Obispo County Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to San Luis Obispo County Airport?
The number of operators available for flights from Washington, D.C. to San Luis Obispo County Airport is 2 as of February 2026.
How old do you have to be to fly from Washington, D.C. to San Luis Obispo County Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to San Luis Obispo County Airport.
What documentation or ID do you need to fly to San Luis Obispo County Airport?
The necessary travel and health documents for your San Luis Obispo County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to San Luis Obispo?
Based on momondo bookings for flights between Washington, D.C. and San Luis Obispo, the leading airline is American Airlines, making up 48% of the total bookings. Other popular airlines include United Airlines with 39% and Alaska Airlines with 14%.

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

Compare and see reviews for airlines that fly from Washington, D.C. to San Luis Obispo with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $335	Free Cancellation	Rating 7.2 11,313 reviews		Search American Airlines flights
United Airlines	PriceFrom $424	Free Cancellation	Rating 7.4 9,321 reviews		Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to San Luis Obispo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to San Luis Obispo. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to San Luis Obispo with flexible booking policies on momondo?

Yes. All flights to San Luis Obispo from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to San Luis Obispo?

momondo helps you find the best flight between Washington, D.C. and San Luis Obispo by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to San Luis Obispo right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to San Luis Obispo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Luis Obispo and let you know when they change.

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Alaska Airlines flights from Washington, D.C. to San Luis Obispo

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See travel insights to San Luis Obispo from

How to get the cheapest flight ticket from Washington, D.C. to San Luis Obispo

What is the cheapest month to fly to San Luis Obispo?

Can stopping save me money on Washington, D.C. to San Luis Obispo flights?

What is the cheapest airline that flies from Washington, D.C. to San Luis Obispo County?

What airlines fly to San Luis Obispo?

Which airport is the most popular layover for flights between Washington, D.C. and San Luis Obispo?

Which layover airport offers the lowest fares from Washington, D.C. to San Luis Obispo?

Which layover airport has the shortest travel time from Washington, D.C. to San Luis Obispo?

Which layover airport has the shortest connection time from Washington, D.C. to San Luis Obispo?

How long does it take to fly to San Luis Obispo?

When to book flights from Washington, D.C. to San Luis Obispo

Cheap Washington, D.C. to San Luis Obispo (WAS to SBP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to San Luis Obispo

Fastest flight time

Direct flights

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

Compare and see reviews for airlines that fly from Washington, D.C. to San Luis Obispo with momondo

Traveling to a place near San Luis Obispo?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to San Luis Obispo?

Can I find flights from Washington, D.C. to San Luis Obispo with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to San Luis Obispo?

I’m not ready to book a flight from Washington, D.C. to San Luis Obispo right now. Can momondo alert me if prices change?

An easier way to manage your San Luis Obispo trip

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Get notified when prices go down

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