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

Alaska Airlines, American Airlines, and United Airlines are the most popular carriers operating from San Luis Obispo County to Washington, D.C.

What airlines fly to Washington, D.C.?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. from San Luis Obispo according to our data. United Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 4 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from San Luis Obispo County Airport to Washington, D.C. are refreshed on a daily basis.

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

The number of operators available for flights from San Luis Obispo County Airport to Washington, D.C. is 3 as of August 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Luis Obispo County Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. 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.

$190 Cheap Flights from San Luis Obispo to Washington, D.C. in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:33 pm - 7:35 amSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

8h 02m1 stop San Francisco

6:42 am - 11:53 amIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

8h 11m1 stop San Francisco

$379United Airlines

Thu, Sep 10 - Sun, Sep 13

6:55 pm - 7:25 amSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

9h 30m1 stop San Francisco

3:20 pm - 7:40 pmIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

7h 20m1 stop Los Angeles

$379United Airlines

Thu, Dec 3 - Mon, Dec 7

12:27 pm - 11:23 pmSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

7h 56m1 stop Dallas/Fort Worth

7:14 am - 12:25 pmIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

8h 11m1 stop Dallas/Fort Worth

$379American Airlines

Wed, Jan 6 - Wed, Jan 13

12:31 pm - 10:52 pmSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

7h 21m1 stop Dallas/Fort Worth

6:52 am - 11:41 amIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

7h 49m1 stop Dallas/Fort Worth

$379American Airlines

Thu, Oct 1 - Sun, Oct 4

3:24 pm - 6:14 pmSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

23h 50m1 stop San Diego

7:47 pm - 2:44 pmIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

21h 57m1 stop San Diego

$379Alaska Airlines

Sat, Sep 5 - Sun, Sep 13

6:00 am - 5:50 pmSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

8h 50m1 stop San Diego

6:53 pm - 11:34 pmIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

7h 41m1 stop San Diego

$379Alaska Airlines

Sat, Feb 6 - Tue, Feb 9

12:36 pm - 11:59 pmSBP San Luis Obispo County-DCA Washington, D.C. Reagan-National

8h 23m1 stop Dallas/Fort Worth

7:00 am - 12:02 pmDCA Washington, D.C. Reagan-National-SBP San Luis Obispo County

8h 02m1 stop Phoenix Sky Harbor Intl

$379American Airlines

Thu, Dec 3 - Mon, Dec 7

8:33 pm - 7:00 amSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

7h 27m1 stop San Francisco

5:42 pm - 11:37 pmIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

8h 55m1 stop Los Angeles

$379United Airlines

Mon, Sep 14 - Mon, Sep 21

10:09 am - 11:59 pmSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

10h 50m1 stop Seattle/Tacoma Intl

7:24 pm - 11:43 pmIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

7h 19m1 stop San Diego

$379Alaska Airlines

Tue, Oct 20 - Sat, Oct 24

6:40 pm - 10:30 amSBP San Luis Obispo County-BWI Baltimore/Washington

12h 50m2 stops San Francisco Chicago O'Hare Intl

5:43 pm - 11:42 pmBWI Baltimore/Washington-SBP San Luis Obispo County

8h 59m1 stop Los Angeles

$384United Airlines

Wed, Sep 23 - Mon, Sep 28

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

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

Alaska Airlines

Oct 20

SBP10:09 amSan Luis Obispo County

10h 50m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

Oct 24

IAD7:24 pmWashington, D.C. Dulles Intl

7h 19m

1 stop

SBP11:43 pmSan Luis Obispo County

$379

Alaska Airlines

Sep 22

SBP5:34 pmSan Luis Obispo County

19h 06m

1 stop

BWI3:40 pmBaltimore/Washington

Oct 6

BWI6:15 pmBaltimore/Washington

18h 14m

1 stop

SBP9:29 amSan Luis Obispo County

$407

Alaska Airlines

Dec 6

SBP3:45 pmSan Luis Obispo County

24h 16m

1 stop

IAD7:01 pmWashington, D.C. Dulles Intl

Dec 14

IAD5:25 pmWashington, D.C. Dulles Intl

8h 49m

1 stop

SBP11:14 pmSan Luis Obispo County

$434

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

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

United Airlines

Sep 22

SBP8:11 amSan Luis Obispo County

10h 32m

2 stops

BWI9:43 pmBaltimore/Washington

Oct 6

BWI8:05 amBaltimore/Washington

10h 17m

1 stop

SBP3:22 pmSan Luis Obispo County

$384

United Airlines

Sep 22

SBP8:11 amSan Luis Obispo County

10h 32m

2 stops

BWI9:43 pmBaltimore/Washington

Oct 6

BWI6:25 amBaltimore/Washington

11h 57m

2 stops

SBP3:22 pmSan Luis Obispo County

$389

United Airlines

Sep 23

SBP6:40 pmSan Luis Obispo County

9h 20m

1 stop

IAD7:00 amWashington, D.C. Dulles Intl

Sep 28

IAD6:35 amWashington, D.C. Dulles Intl

8h 27m

1 stop

SBP12:02 pmSan Luis Obispo County

$398

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San Luis ObispoWashington, D.C.

SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl

SBPIAD

San Luis Obispo County

Thu 9/10

8:33 pm-7:35 am

1 stop8h 02m

Washington, D.C. Dulles Intl

Sun 9/13

6:42 am-11:53 am

1 stop8h 11m

$379

San Luis ObispoWashington, D.C.

SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl

SBPIAD

San Luis Obispo County

Thu 12/3

6:55 pm-7:25 am

1 stop9h 30m

Washington, D.C. Dulles Intl

Mon 12/7

3:20 pm-7:40 pm

1 stop7h 20m

$379

San Luis ObispoWashington, D.C.

SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl

SBPIAD

San Luis Obispo County

Wed 1/6

12:27 pm-11:23 pm

1 stop7h 56m

Washington, D.C. Dulles Intl

Wed 1/13

7:14 am-12:25 pm

1 stop8h 11m

$379

Quickest round-trip

San Luis ObispoWashington, D.C.

SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl

SBPIAD

San Luis Obispo County

Thu 10/1

12:31 pm-10:52 pm

1 stop7h 21m

Washington, D.C. Dulles Intl

Sun 10/4

6:52 am-11:41 am

1 stop7h 49m

$379

San Luis ObispoWashington, D.C.

SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl

SBPIAD

San Luis Obispo County

Sat 9/5

3:24 pm-6:14 pm

1 stop23h 50m

Washington, D.C. Dulles Intl

Sun 9/13

7:47 pm-2:44 pm

1 stop21h 57m

$379

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

$379

San Luis ObispoWashington, D.C.

SBP San Luis Obispo County - DCA Washington, D.C. Reagan-National

SBPDCA

San Luis Obispo County

Thu 12/3

12:36 pm-11:59 pm

1 stop8h 23m

Washington, D.C. Reagan-National

Mon 12/7

7:00 am-12:02 pm

1 stop8h 02m

$379

San Luis ObispoWashington, D.C.

SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl

SBPIAD

San Luis Obispo County

Mon 9/14

8:33 pm-7:00 am

1 stop7h 27m

Washington, D.C. Dulles Intl

Mon 9/21

5:42 pm-11:37 pm

1 stop8h 55m

$379

San Luis ObispoWashington, D.C.

SBP San Luis Obispo County - IAD Washington, D.C. Dulles Intl

SBPIAD

San Luis Obispo County

Tue 10/20

10:09 am-11:59 pm

1 stop10h 50m

Washington, D.C. Dulles Intl

Sat 10/24

7:24 pm-11:43 pm

1 stop7h 19m

$379

San Luis ObispoBaltimore

SBP San Luis Obispo County - BWI Baltimore/Washington

SBPBWI

San Luis Obispo County

Wed 9/23

6:40 pm-10:30 am

2 stops12h 50m

Baltimore/Washington

Mon 9/28

5:43 pm-11:42 pm

1 stop8h 59m

$384

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 San Luis Obispo to Washington, D.C.

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

Prices

Airlines

What is the cheapest month to fly to Washington, D.C.?

The month of October is, on average, the cheapest month to fly to Washington, D.C. from San Luis Obispo, with most prices found around $421. If you’re not able to fly to Washington, D.C. in October, then July is your next best option. Flight prices from San Luis Obispo to Washington, D.C. during July average around $448.

How have San Luis Obispo to Washington, D.C. flight prices changed over time?

As of August 2026, prices for San Luis Obispo to Washington, D.C. flights are approximately 178% more expensive when compared to flights at the same time last year.

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

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

Estimated round-trip price

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

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

Best Price Found	$190
Fastest flight time	6h 41m
Direct flights	None

The best one-way flight to Washington, D.C. from San Luis Obispo in the past 72 hours is $190. The best round-trip flight deal from San Luis Obispo to Washington, D.C. found on momondo in the last 72 hours is $379.

The fastest flight from San Luis Obispo to Washington, D.C. takes 6h 41m

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

Search flight deals

Frequently asked questions about flying from San Luis Obispo to Washington, D.C.

How far is San Luis Obispo County to Washington, D.C. by plane?
The distance between San Luis Obispo County and Washington, D.C. is about 2392.7 mi. By plane, this route typically takes 6h 41m.
When did momondo last update prices for flights from San Luis Obispo County Airport to Washington, D.C.?
Prices for flights from San Luis Obispo County Airport to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from San Luis Obispo County Airport to Washington, D.C.?
The number of operators available for flights from San Luis Obispo County Airport to Washington, D.C. is 3 as of August 2026.
How old do you have to be to fly from San Luis Obispo County Airport to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Luis Obispo County Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. 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 San Luis Obispo to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from San Luis Obispo to Washington, D.C. is American Airlines, representing 65% of all bookings. The subsequent popular airline is United Airlines at 35%.

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

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $264	Free Cancellation	Rating 7.4 10,104 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $336	Free Cancellation	Rating 7.9 12,815 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $361	Free Cancellation	Rating 7.1 11,965 reviews	Search American Airlines flights

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Fairfax

Edgewood

Tysons

College Park

Glen Burnie

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Luis Obispo to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from San Luis Obispo.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from San Luis Obispo and alert you when they change.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from San Luis Obispo to Washington, D.C. from $190

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

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

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

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

momondo Fare Finder

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

See travel insights to Washington, D.C. from

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

What is the cheapest month to fly to Washington, D.C.?

How have San Luis Obispo to Washington, D.C. flight prices changed over time?

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

What airlines fly to Washington, D.C.?

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

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from San Luis Obispo to Washington, D.C.

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

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

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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