What is the cheapest airline that flies from San Luis Obispo County to District of Columbia?

Alaska Airlines, American Airlines, and United Airlines are the most popular carriers operating from San Luis Obispo County to District of Columbia

What airlines fly to District of Columbia?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to District of Columbia from San Luis Obispo according to our data. United Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 3 different airlines that fly to District of Columbia 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 District of Columbia?

Prices for flights from San Luis Obispo County Airport to District of Columbia are refreshed on a daily basis.

How many operators does momondo search for flights from San Luis Obispo County Airport to District of Columbia?

There are 2 operators available for flights from San Luis Obispo County Airport to District of Columbia as of September 2026.

How old do you have to be to fly from San Luis Obispo County Airport to District of Columbia?

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 San Luis Obispo County Airport to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The necessary travel and health documents for your District of Columbia 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.

$290 Cheap Flights from San Luis Obispo to District of Columbia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Luis Obispo to District of Columbia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:27 pm - 11:00 pmSBP San Luis Obispo County-DCA Washington, D.C. Reagan-National

7h 33m1 stop Dallas/Fort Worth

7:00 am - 12:09 pmDCA Washington, D.C. Reagan-National-SBP San Luis Obispo County

8h 09m1 stop Phoenix Sky Harbor Intl

$399American Airlines

Tue, Mar 16 - Tue, Mar 23

7:11 pm - 7:00 amSBP San Luis Obispo County-DCA Washington, D.C. Reagan-National

8h 49m1 stop Phoenix Sky Harbor Intl

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

8h 02m1 stop Phoenix Sky Harbor Intl

$399American Airlines

Thu, Dec 3 - Tue, Dec 8

8:34 pm - 7:00 amSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

7h 26m1 stop San Francisco

6:45 am - 1:23 pmIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

9h 38m1 stop Denver Intl

$399United Airlines

Mon, Dec 28 - Mon, Jan 4

1:03 pm - 11:15 pmSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

7h 12m1 stop Denver Intl

6:15 am - 12:05 pmIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

8h 50m1 stop San Francisco

$399United Airlines

Fri, Dec 4 - Thu, Dec 10

3:11 pm - 5:39 pmSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

23h 28m1 stop San Diego

6:42 pm - 11:43 pmIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

8h 01m1 stop San Diego

$399Alaska Airlines

Mon, Dec 7 - Wed, Dec 16

12:38 pm - 10:55 pmSBP San Luis Obispo County-DCA Washington, D.C. Reagan-National

7h 17m1 stop Dallas/Fort Worth

5:00 am - 11:51 amDCA Washington, D.C. Reagan-National-SBP San Luis Obispo County

9h 51m1 stop Dallas/Fort Worth

$399American Airlines

Tue, Oct 27 - Tue, Nov 3

12:43 pm - 10:46 pmSBP San Luis Obispo County-DCA Washington, D.C. Reagan-National

7h 03m1 stop Dallas/Fort Worth

5:00 am - 11:51 amDCA Washington, D.C. Reagan-National-SBP San Luis Obispo County

9h 51m1 stop Dallas/Fort Worth

$399American Airlines

Mon, Nov 23 - Wed, Dec 2

6:00 am - 4:08 pmSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

7h 08m1 stop San Francisco

6:15 am - 11:58 amIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

8h 43m1 stop San Francisco

$399United Airlines

Tue, Oct 27 - Mon, Nov 2

3:44 pm - 5:59 pmSBP San Luis Obispo County-DCA Washington, D.C. Reagan-National

23h 15m2 stops San Diego San Francisco

10:59 am - 11:34 pmDCA Washington, D.C. Reagan-National-SBP San Luis Obispo County

15h 35m1 stop San Diego

$506Alaska Airlines

Sun, Jan 24 - Sat, Jan 30

6:00 am - 9:00 pmSBP San Luis Obispo County-DCA Washington, D.C. Reagan-National

12h 00m1 stop San Diego

10:59 am - 11:14 pmDCA Washington, D.C. Reagan-National-SBP San Luis Obispo County

15h 15m1 stop San Diego

$619Alaska Airlines

Sun, Feb 7 - Fri, Feb 12

Cheap last minute flights

Enter your travel dates to find the best prices.

5:00 am - 3:04 pmSBP San Luis Obispo County-DCA Washington, D.C. Reagan-National

7h 04m1 stop Denver Intl

7:45 am - 3:25 pmDCA Washington, D.C. Reagan-National-SBP San Luis Obispo County

10h 40m1 stop San Francisco

$469United Airlines

Sat, Oct 3 - Tue, Nov 3

5:00 am - 8:08 pmSBP San Luis Obispo County-DCA Washington, D.C. Reagan-National

12h 08m2 stops Denver Intl Chicago O'Hare Intl

4:09 pm - 9:10 pmDCA Washington, D.C. Reagan-National-SBP San Luis Obispo County

8h 01m1 stop Denver Intl

$474United Airlines

Sat, Oct 3 - Tue, Nov 3

2:15 pm - 1:06 amSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

7h 51m1 stop San Francisco

2:47 pm - 8:11 pmIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

8h 24m1 stop San Francisco

$568United Airlines

Fri, Oct 2 - Sat, Oct 10

6:00 am - 9:20 pmSBP San Luis Obispo County-DCA Washington, D.C. Reagan-National

12h 20m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

7:28 am - 6:45 pmDCA Washington, D.C. Reagan-National-SBP San Luis Obispo County

14h 17m2 stops Kansas City Phoenix Sky Harbor Intl

$589American Airlines

Sat, Oct 3 - Tue, Nov 3

6:00 am - 8:24 pmSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

11h 24m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

6:42 am - 11:48 amIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

8h 06m1 stop Dallas/Fort Worth

$600American Airlines

Fri, Oct 2 - Sat, Oct 10

6:00 am - 6:59 pmSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

9h 59m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

6:42 am - 6:18 pmIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

14h 36m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$633American Airlines

Fri, Oct 2 - Sat, Oct 10

5:00 am - 5:44 pmSBP San Luis Obispo County-IAD Washington, D.C. Dulles Intl

9h 44m2 stops Denver Intl Chicago O'Hare Intl

8:15 am - 1:19 pmIAD Washington, D.C. Dulles Intl-SBP San Luis Obispo County

8h 04m1 stop Denver Intl

$789United Airlines

Fri, Oct 2 - Sat, Oct 10

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Alaska Airlines flights from San Luis Obispo to District of Columbia

Our best Alaska Airlines deals on San Luis Obispo to District of Columbia flight tickets

Alaska Airlines

Dec 7

SBP3:11 pmSan Luis Obispo County

23h 28m

1 stop

IAD5:39 pmWashington, D.C. Dulles Intl

Dec 16

IAD6:42 pmWashington, D.C. Dulles Intl

8h 01m

1 stop

SBP11:43 pmSan Luis Obispo County

$399

Alaska Airlines

Feb 6

SBP6:00 amSan Luis Obispo County

8h 50m

1 stop

IAD5:50 pmWashington, D.C. Dulles Intl

Feb 9

IAD6:53 pmWashington, D.C. Dulles Intl

7h 41m

1 stop

SBP11:34 pmSan Luis Obispo County

$457

Alaska Airlines

Jan 24

SBP3:44 pmSan Luis Obispo County

23h 06m

1 stop

IAD5:50 pmWashington, D.C. Dulles Intl

Jan 30

IAD5:30 pmWashington, D.C. Dulles Intl

24h 34m

2 stops

SBP3:04 pmSan Luis Obispo County

$476

United Airlines flights from San Luis Obispo to District of Columbia

Our best United Airlines deals on San Luis Obispo to District of Columbia flight tickets

United Airlines

Oct 27

SBP5:00 amSan Luis Obispo County

10h 15m

2 stops

DCA6:15 pmWashington, D.C. Reagan-National

Nov 3

DCA7:45 amWashington, D.C. Reagan-National

10h 40m

1 stop

SBP3:25 pmSan Luis Obispo County

$404

United Airlines

Oct 13

SBP8:00 amSan Luis Obispo County

10h 05m

1 stop

IAD9:05 pmWashington, D.C. Dulles Intl

Oct 20

IAD7:00 amWashington, D.C. Dulles Intl

8h 27m

1 stop

SBP12:27 pmSan Luis Obispo County

$439

United Airlines

Oct 3

SBP5:00 amSan Luis Obispo County

7h 04m

1 stop

DCA3:04 pmWashington, D.C. Reagan-National

Nov 3

DCA7:45 amWashington, D.C. Reagan-National

10h 40m

1 stop

SBP3:25 pmSan Luis Obispo County

$469

momondo Fare Finder

Use the filters below to find and compare flights from San Luis Obispo to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San Luis ObispoWashington, D.C.

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

SBPDCA

San Luis Obispo County

Tue 3/16

12:27 pm-11:00 pm

1 stop7h 33m

Washington, D.C. Reagan-National

Tue 3/23

7:00 am-12:09 pm

1 stop8h 09m

$399

San Luis ObispoWashington, D.C.

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

SBPDCA

San Luis Obispo County

Thu 12/3

7:11 pm-7:00 am

1 stop8h 49m

Washington, D.C. Reagan-National

Tue 12/8

7:00 am-12:02 pm

1 stop8h 02m

$399

San Luis ObispoWashington, D.C.

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

SBPIAD

San Luis Obispo County

Mon 12/28

8:34 pm-7:00 am

1 stop7h 26m

Washington, D.C. Dulles Intl

Mon 1/4

6:45 am-1:23 pm

1 stop9h 38m

$399

San Luis ObispoWashington, D.C.

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

SBPIAD

San Luis Obispo County

Fri 12/4

1:03 pm-11:15 pm

1 stop7h 12m

Washington, D.C. Dulles Intl

Thu 12/10

6:15 am-12:05 pm

1 stop8h 50m

$399

San Luis ObispoWashington, D.C.

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

SBPIAD

San Luis Obispo County

Mon 12/7

3:11 pm-5:39 pm

1 stop23h 28m

Washington, D.C. Dulles Intl

Wed 12/16

6:42 pm-11:43 pm

1 stop8h 01m

$399

San Luis ObispoWashington, D.C.

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

SBPDCA

San Luis Obispo County

Tue 10/27

12:38 pm-10:55 pm

1 stop7h 17m

Washington, D.C. Reagan-National

Tue 11/3

5:00 am-11:51 am

1 stop9h 51m

$399

San Luis ObispoWashington, D.C.

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

SBPDCA

San Luis Obispo County

Mon 11/23

12:43 pm-10:46 pm

1 stop7h 03m

Washington, D.C. Reagan-National

Wed 12/2

5:00 am-11:51 am

1 stop9h 51m

$399

San Luis ObispoWashington, D.C.

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

SBPIAD

San Luis Obispo County

Tue 10/27

6:00 am-4:08 pm

1 stop7h 08m

Washington, D.C. Dulles Intl

Mon 11/2

6:15 am-11:58 am

1 stop8h 43m

$399

San Luis ObispoWashington, D.C.

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

SBPDCA

San Luis Obispo County

Sun 1/24

3:44 pm-5:59 pm

2 stops23h 15m

Washington, D.C. Reagan-National

Sat 1/30

10:59 am-11:34 pm

1 stop15h 35m

$506

San Luis ObispoWashington, D.C.

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

SBPDCA

San Luis Obispo County

Sun 2/7

6:00 am-9:00 pm

1 stop12h 00m

Washington, D.C. Reagan-National

Fri 2/12

10:59 am-11:14 pm

1 stop15h 15m

$619

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 District of Columbia

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 District of Columbia?

In general, July is the cheapest month to fly from San Luis Obispo to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $448. If you don’t want to visit District of Columbia in July, then you should wait until October to fly from San Luis Obispo, when ticket prices are also cheap, with an average price of $481.

Cheap San Luis Obispo to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Luis Obispo to District of Columbia

Best Price Found	$290
Fastest flight time	7h 04m
Direct flights	None

The best one-way flight to District of Columbia from San Luis Obispo in the past 72 hours is $290. The best round-trip flight deal from San Luis Obispo to District of Columbia found on momondo in the last 72 hours is $399.

The fastest flight from San Luis Obispo to District of Columbia takes 7h 04m

There are no direct flights from San Luis Obispo to District of Columbia. There are no popular flight routes from San Luis Obispo to District of Columbia.

Search flight deals

Frequently asked questions about flying from San Luis Obispo to District of Columbia

When did momondo last update prices for flights from San Luis Obispo County Airport to District of Columbia?
Prices for flights from San Luis Obispo County Airport to District of Columbia are refreshed on a daily basis.
How many operators does momondo search for flights from San Luis Obispo County Airport to District of Columbia?
There are 2 operators available for flights from San Luis Obispo County Airport to District of Columbia as of September 2026.
How old do you have to be to fly from San Luis Obispo County Airport to District of Columbia?
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 San Luis Obispo County Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The necessary travel and health documents for your District of Columbia 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.

Best airlines flying from San Luis Obispo to District of Columbia

Compare and see reviews for airlines that fly from San Luis Obispo to District of Columbia with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $264	Free Cancellation	Rating 7.4 10,245 reviews		Search United Airlines flights
American Airlines	PriceFrom $409	Free Cancellation	Rating 7.0 12,097 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Luis Obispo to District of Columbia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to District of Columbia from San Luis Obispo.

Can I find flights from San Luis Obispo to District of Columbia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Luis Obispo to District of Columbia flights to just show those with flexible booking policies.

How can momondo help me find flights from San Luis Obispo to District of Columbia?

momondo provides multiple filters to help you find the best flight to District of Columbia from San Luis Obispo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Luis Obispo to District of Columbia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to District of Columbia from San Luis Obispo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.