Beginning of main content

United Flights from Washington (IAD) to San Diego (SAN)

Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5
Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

Wander Wisely with exceptional service, 24/7 support

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Amazing United IAD to SAN Flight Deals

The cheapest flights to San Diego Intl. found within the past 7 days were round trip and $133 one way. Prices and availability subject to change. Additional terms may apply.

Thu, Mar 4 -
IAD
Washington
to
SAN
San Diego
$133

One way

found 2 hours ago

Open IAD to SAN flights search result page
Thu, Mar 4 -
IAD
Washington
to
SAN
San Diego
$137

One way

found 2 hours ago

Open IAD to SAN flights search result page
Sat, Feb 13 -
IAD
Washington
to
SAN
San Diego
$143

One way

found 3 days ago

Open IAD to SAN flights search result page
Sat, Mar 27 -
IAD
Washington
to
SAN
San Diego
$146

One way

found 2 days ago

Open IAD to SAN flights search result page
Sat, Mar 27 -
IAD
Washington
to
SAN
San Diego
$152

One way

found 2 days ago

Open IAD to SAN flights search result page
Sat, Mar 27 -
IAD
Washington
to
SAN
San Diego
$152

One way

found 2 days ago

Open IAD to SAN flights search result page
Fri, Mar 12 -
IAD
Washington
to
SAN
San Diego
$157

One way

found 1 day ago

Open IAD to SAN flights search result page
Fri, Feb 26 -
IAD
Washington
to
SAN
San Diego
$162

One way

found 3 hours ago

Open IAD to SAN flights search result page
Fri, Mar 12 -
IAD
Washington
to
SAN
San Diego
$166

One way

found 1 day ago

Open IAD to SAN flights search result page
Mon, Aug 2 -
IAD
Washington
to
SAN
San Diego
$180

One way

just found

Open IAD to SAN flights search result page
Wed, Jun 16 -
IAD
Washington
to
SAN
San Diego
$184

One way

found 2 days ago

Open IAD to SAN flights search result page
Sun, Jun 27 -
IAD
Washington
to
SAN
San Diego
$191

One way

found 4 days ago

Open IAD to SAN flights search result page
Sat, Feb 13 -
IAD
Washington
to
SAN
San Diego
$143

One way

found 3 days ago

Open IAD to SAN flights search result page
Fri, Feb 26 -
IAD
Washington
to
SAN
San Diego
$162

One way

found 3 hours ago

Open IAD to SAN flights search result page
Thu, Mar 4 -
IAD
Washington
to
SAN
San Diego
$133

One way

found 2 hours ago

Open IAD to SAN flights search result page
Thu, Mar 4 -
IAD
Washington
to
SAN
San Diego
$137

One way

found 2 hours ago

Open IAD to SAN flights search result page
Sat, Mar 27 -
IAD
Washington
to
SAN
San Diego
$146

One way

found 2 days ago

Open IAD to SAN flights search result page
Sat, Mar 27 -
IAD
Washington
to
SAN
San Diego
$152

One way

found 2 days ago

Open IAD to SAN flights search result page
Sat, Mar 27 -
IAD
Washington
to
SAN
San Diego
$152

One way

found 2 days ago

Open IAD to SAN flights search result page
Fri, Mar 12 -
IAD
Washington
to
SAN
San Diego
$157

One way

found 1 day ago

Open IAD to SAN flights search result page
Fri, Mar 12 -
IAD
Washington
to
SAN
San Diego
$166

One way

found 1 day ago

Open IAD to SAN flights search result page
Wed, Jun 16 -
IAD
Washington
to
SAN
San Diego
$184

One way

found 2 days ago

Open IAD to SAN flights search result page
Sun, Jun 27 -
IAD
Washington
to
SAN
San Diego
$191

One way

found 4 days ago

Open IAD to SAN flights search result page
Mon, Aug 2 -
IAD
Washington
to
SAN
San Diego
$180

One way

just found

Open IAD to SAN flights search result page

FAQs about United Airlines Flights from IAD to SAN

What terminal is United Airlines at Washington, DC (IAD-Washington Dulles Intl.)?

If you're heading from Washington, DC (IAD-Washington Dulles Intl.) to San Diego, CA (SAN-San Diego Intl.), you'll probably be arriving at terminal 2. We can't say for certain which terminal you'll be heading off from — it's wise to contact your airline.

Are there United Airlines non-stop flights from IAD to SAN?

In short, yes. Secure your seat on a direct flight with United Airlines from Washington, DC (IAD-Washington Dulles Intl.) to San Diego, CA (SAN-San Diego Intl.), and you won't have to stress about long stopovers or running to make your connecting flight.

How long is an United Airlines flight from IAD to SAN?

Depending on good weather and no delays, your United Airlines flight from Washington, DC (IAD-Washington Dulles Intl.) to San Diego, CA (SAN-San Diego Intl.) will take on average 6 hours and 30 minutes. You'll have enough time to order a glass of wine, squeeze in a snooze and go over your travel schedule before you land.

What type of aircraft does United Airlines fly from IAD to SAN?

If you're traveling from IAD to SAN with United Airlines, you're likely to be flying the skies aboard the Boeing 737-900 or the Boeing 757-200.

How many direct and indirect flights does United Airlines fly from IAD to SAN?

When journeying from IAD to SAN, there are roughly 3 United Airlines daily flights to choose from.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to San Diego, CA (SAN-San Diego Intl.), please visit our Customer Service Portal.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2019, flights departing on a Tuesday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.

Carrier Flight Depart IAD Arrive SAN Sat
1/23		 Sun
1/24		 Mon
1/25		 Tue
1/26		 Wed
1/27		 Thu
1/28		 Fri
1/29		 Stops
UA 2303 06:10 pm 08:50 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

Travelers ❤️ These 🏨

Price for 1 night 2 adults*

Manchester Grand Hyatt San Diego
Manchester Grand Hyatt San Diego
4.0 out of 5.0 1 Market Pl, San Diego, CA
$127

Per night/room

Jan 23 - Jan 24

4.5/5 (42 reviews)

Expensive hotel but no to much activities in Covid19 time

Reviewed on Dec 6, 2020
A full-service spa, 6 restaurants, and 2 outdoor pools are all featured at this smoke-free hotel. Traveling on business? Take advantage of the business center, ...
Sheraton San Diego Hotel and Marina
Sheraton San Diego Hotel and Marina
4.0 out of 5.0 1380 Harbor Island Dr, San Diego, CA
$103

Per night/room

Jan 23 - Jan 24

4.2/5 (39 reviews)

Love this place second time here got to check in early .. the restaurant was so good

Reviewed on Sep 13, 2020
A marina, 6 restaurants, and 3 outdoor pools are all featured at this smoke-free hotel. Traveling on business? Take advantage of the 52 conference rooms, as ...
Wyndham San Diego Bayside
Wyndham San Diego Bayside
4.0 out of 5.0 1355 N Harbor Drive, San Diego, CA
$101

Per night/room

Jan 29 - Jan 30

4.0/5 (69 reviews)

I paid extra for the bay view and all I got was the third floor and didn’t see anything.

Reviewed on Nov 3, 2020
This smoke-free hotel includes 2 restaurants, an outdoor pool, and a fitness center. Traveling on business? Take advantage of the business center, express check-out, ...

Popular United Flight Routes from IAD

Top United Flight Routes from SAN

Top Flights for United originating from IAD

International

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.