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Cheap flights from San Luis Obispo to Washington, D.C. from $304

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Luis Obispo to Washington, D.C. departing on 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:17 pm - 4:26 pm
SBP
-
IAD
19h 09m1 stop
Alaska Airlines Logo
6:04 pm - 5:37 pm
IAD
-
SBP
26h 33m1 stop
$304Alaska Airlines
Wed, Jan 28 - Sun, Feb 1
Alaska Airlines Logo
6:17 pm - 4:26 pm
SBP
-
IAD
19h 09m1 stop
Alaska Airlines Logo
6:04 pm - 4:34 pm
IAD
-
SBP
25h 30m2 stops
$314Alaska Airlines
Wed, Jan 28 - Sun, Feb 1
Alaska Airlines Logo
12:19 pm - 5:27 pm
SBP
-
IAD
26h 08m1 stop
Alaska Airlines Logo
6:20 pm - 11:17 pm
IAD
-
SBP
7h 57m1 stop
$322Alaska Airlines
Tue, Feb 24 - Wed, Mar 4
Alaska Airlines Logo
6:00 am - 5:04 pm
SBP
-
IAD
8h 04m1 stop
Alaska Airlines Logo
6:04 pm - 5:37 pm
IAD
-
SBP
26h 33m1 stop
$342Alaska Airlines
Wed, Jan 28 - Sun, Feb 1
Alaska Airlines Logo
6:00 am - 5:27 pm
SBP
-
IAD
8h 27m1 stop
Alaska Airlines Logo
7:05 am - 11:17 pm
IAD
-
SBP
19h 12m2 stops
$353Alaska Airlines
Tue, Feb 24 - Wed, Mar 4
Alaska Airlines Logo
3:12 pm - 5:04 pm
SBP
-
IAD
22h 52m1 stop
Alaska Airlines Logo
5:26 pm - 4:34 pm
IAD
-
SBP
26h 08m1 stop
$362Alaska Airlines
Thu, Jan 8 - Mon, Jan 12
Alaska Airlines Logo
6:00 am - 5:23 pm
SBP
-
IAD
8h 23m1 stop
Alaska Airlines Logo
5:37 pm - 11:18 pm
IAD
-
SBP
8h 41m1 stop
$369Alaska Airlines
Tue, Apr 21 - Wed, Apr 29
Alaska Airlines Logo
6:00 am - 5:27 pm
SBP
-
IAD
8h 27m1 stop
Alaska Airlines Logo
6:20 pm - 11:17 pm
IAD
-
SBP
7h 57m1 stop
$374Alaska Airlines
Thu, Feb 19 - Sun, Feb 22
American Airlines Logo
7:08 pm - 12:36 pm
SBP
-
IAD
14h 28m2 stops
American Airlines Logo
7:01 am - 6:30 pm
IAD
-
SBP
14h 29m2 stops
$380American Airlines
Thu, Jan 8 - Mon, Jan 12
Alaska Airlines Logo
6:00 am - 5:04 pm
SBP
-
IAD
8h 04m1 stop
Alaska Airlines Logo
6:04 pm - 4:55 pm
IAD
-
SBP
25h 51m2 stops
$385Alaska Airlines
Thu, Jan 8 - Mon, Jan 12

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

Our best Alaska Airlines deals on San Luis Obispo to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Jan 28
SBP6:17 pmSan Luis Obispo County
19h 09m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Feb 1
IAD6:04 pmWashington, D.C. Dulles Intl
26h 33m
1 stop
SBP5:37 pmSan Luis Obispo County
$304
Find similar
Alaska Airlines
Jan 28
SBP6:17 pmSan Luis Obispo County
19h 09m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Feb 1
IAD6:04 pmWashington, D.C. Dulles Intl
25h 30m
2 stops
SBP4:34 pmSan Luis Obispo County
$314
Find similar
Alaska Airlines
Feb 24
SBP12:19 pmSan Luis Obispo County
26h 08m
1 stop
IAD5:27 pmWashington, D.C. Dulles Intl
Mar 4
IAD6:20 pmWashington, D.C. Dulles Intl
7h 57m
1 stop
SBP11:17 pmSan Luis Obispo County
$322
Find similar

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

Our best American Airlines deals on San Luis Obispo to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Jan 8
SBP7:08 pmSan Luis Obispo County
14h 28m
2 stops
IAD12:36 pmWashington, D.C. Dulles Intl
Jan 12
IAD7:01 amWashington, D.C. Dulles Intl
14h 29m
2 stops
SBP6:30 pmSan Luis Obispo County
$380
Find similar
American Airlines
Jan 16
SBP7:08 pmSan Luis Obispo County
14h 28m
2 stops
IAD12:36 pmWashington, D.C. Dulles Intl
Jan 18
IAD7:04 amWashington, D.C. Dulles Intl
14h 26m
2 stops
SBP6:30 pmSan Luis Obispo County
$429
Find similar
American Airlines
Apr 21
SBP12:27 pmSan Luis Obispo County
6h 52m
1 stop
IAD10:19 pmWashington, D.C. Dulles Intl
May 2
IAD6:45 amWashington, D.C. Dulles Intl
7h 54m
1 stop
SBP11:39 amSan Luis Obispo County
$430
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Luis Obispo to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from San Luis Obispo to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Wed 1/28

6:17 pm-4:26 pm

1 stop19h 09m

Washington, D.C. Dulles Intl

Sun 2/1

6:04 pm-5:37 pm

1 stop26h 33m

$304

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Wed 1/28

6:17 pm-4:26 pm

1 stop19h 09m

Washington, D.C. Dulles Intl

Sun 2/1

6:04 pm-4:34 pm

2 stops25h 30m

$314

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Tue 2/24

12:19 pm-5:27 pm

1 stop26h 08m

Washington, D.C. Dulles Intl

Wed 3/4

6:20 pm-11:17 pm

1 stop7h 57m

$322

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Wed 1/28

6:00 am-5:04 pm

1 stop8h 04m

Washington, D.C. Dulles Intl

Sun 2/1

6:04 pm-5:37 pm

1 stop26h 33m

$342

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Tue 2/24

6:00 am-5:27 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-11:17 pm

2 stops19h 12m

$353

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Thu 1/8

3:12 pm-5:04 pm

1 stop22h 52m

Washington, D.C. Dulles Intl

Mon 1/12

5:26 pm-4:34 pm

1 stop26h 08m

$362

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Tue 4/21

6:00 am-5:23 pm

1 stop8h 23m

Washington, D.C. Dulles Intl

Wed 4/29

5:37 pm-11:18 pm

1 stop8h 41m

$369

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Thu 2/19

6:00 am-5:27 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Sun 2/22

6:20 pm-11:17 pm

1 stop7h 57m

$374

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Thu 1/8

7:08 pm-12:36 pm

2 stops14h 28m

Washington, D.C. Dulles Intl

Mon 1/12

7:01 am-6:30 pm

2 stops14h 29m

$380

San Luis ObispoWashington, D.C.

SBP - IAD

SBPIAD

San Luis Obispo County

Thu 1/8

6:00 am-5:04 pm

1 stop8h 04m

Washington, D.C. Dulles Intl

Mon 1/12

6:04 pm-4:55 pm

2 stops25h 51m

$385

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

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

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

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

In general, January is the cheapest month to fly from San Luis Obispo to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $396. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $396.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $496. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Luis Obispo to Washington, D.C. Dulles Intl Airport for around $757.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from San Luis Obispo at noon is the least expensive time of day to depart. momondo users have found prices as low as $568 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $628 on average. Flights to Washington, D.C. Dulles Intl Airport from San Luis Obispo in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Are you open to changing your travel dates? Check out the ideal times to fly from San Luis Obispo to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (SBP to IAD) flight deals and tips

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

Fastest flight time

7h 34m

Direct flights

None
The fastest flight from San Luis Obispo to Washington, D.C. Dulles Intl Airport takes 7h 34m
There are no direct flights from San Luis Obispo to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from San Luis Obispo to Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is San Luis Obispo County to Washington, D.C. Dulles Intl by plane?

    A flight from San Luis Obispo County to Washington, D.C. Dulles Intl will travel around 2370.3 mi. A reasonable flight in good conditions will take 6h 52m.

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

    Prices for flights from San Luis Obispo County Airport to Washington, D.C. Dulles Intl Airport are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl 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 San Luis Obispo to Washington, D.C. Dulles Intl Airport?

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

Compare and see reviews for airlines that fly from San Luis Obispo to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $264Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $311Free CancellationRating
8.0
11,396 reviews
Search Alaska Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Reston
Manassas
Gaithersburg
Sterling
Fairfax

Why use momondo?

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

It is quick and easy to find San Luis Obispo to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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 for San Luis Obispo to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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?

Of course. momondo tracks the price of San Luis Obispo to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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