Cheap Flight Tickets from Washington (IAD) to San Diego (SAN), Starting at $326

Good to Know: Cheapest and Fastest IAD - SAN Flights

Useful information for finding best airline tickets from Washington Dulles International to San Diego International on your next trip.

Cheapest Round Trip Flight

$326

F9 Frontier Airlines • 1 stop • 21h 56m

Aug 10 – Aug 16

The cheapest round trip flight from Washington to San Diego (IAD-SAN-IAD) is currently $326

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Cheapest Direct Flight

$497

UA United Airlines • nonstop • 8h 42m

Aug 15

The cheapest nonstop flight from Washington to San Diego (IAD-SAN) is currently $497

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Fastest Flight

8h 42m

The fastest nonstop flight from Washington to San Diego (IAD-SAN) takes 8h 42m

Top Airlines Flying from Washington to San Diego

United Airlines, UA

United Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from Washington (IAD) to San Diego (SAN)

Compare and book low fare round-trip air tickets from Washington to San Diego. Ideal for travelers with confirmed return itineraries.

Aug 10 - Aug 16, Economy
F9
Washington → San Diego
21h 56m
9:50 AM - 8:06 PM • 1 stop
F9
Washington → San Diego
14h 9m
10:10 AM - 9:59 PM • 1 stop
$326
Frontier Airlines
Aug 10 - Aug 16, Economy
AS
Washington → San Diego
18h 35m
6:03 AM - 2:18 PM • 1 stop
AS
Washington → San Diego
15h 52m
5:35 PM - 6:27 AM • 1 stop
$497
Alaska Airlines
Aug 10 - Aug 16, Economy
AS
Washington → San Diego
8h 44m
7:53 PM - 10:17 PM • nonstop
AS
Washington → San Diego
14h 12m
6:35 PM - 6:27 AM • 1 stop
$516
Alaska Airlines
Aug 10 - Aug 16, Economy
AS
Washington → San Diego
8h 44m
7:53 PM - 10:17 PM • nonstop
AS
Washington → San Diego
8h 31m
10:34 AM - 6:45 PM • nonstop
$665
Alaska Airlines
Aug 10 - Aug 16, Economy
UA
Washington → San Diego
8h 43m
6:00 PM - 8:23 PM • nonstop
UA
Washington → San Diego
7h 36m
9:45 PM - 5:41 AM • nonstop
$730
United Airlines
Aug 10 - Aug 16, Economy
UA
Washington → San Diego
8h 43m
12:40 PM - 3:03 PM • nonstop
UA
Washington → San Diego
7h 36m
9:45 PM - 5:41 AM • nonstop
$730
United Airlines

Fly from Washington to San Diego with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Washington to San Diego? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Washington to San Diego Flights

What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from IAD to SAN?
The most popular airline flying from Washington to San Diego are
Can I fly from IAD to SAN non-stop?
Yes, you can fly IAD to SAN non-stop on
Which airlines fly nonstop between Washington and San Diego?
The non-stop flights between Washington and San Diego are .
What’s the earliest departure time from IAD to SAN Airport?
The earliest flight leaves IAD at 6:03 am and lands in SAN - San Diego International
What are the airports in San Diego?
SAN
Can I make changes to my Washington to San Diego flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from IAD to SAN?
Read the fare rules of the Washington to San Diego air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Washington and San Diego?
operate flights between Washington and San Diego
How long does a flight from Washington to San Diego take?
It takes approximately 5 hour to fly non-stop from IAD to SAN, which is 2253.07 miles by air.
Which airlines provide the cheapest flights from Washington (IAD) to San Diego (SAN) ?
In the past couple of days, the cheapest tickets to SAN from IAD were found on UA : USD 730
Do I need a passport to fly between IAD and SAN?
No
What’s the latest departure time from IAD to SAN ?
The last flight leaves IAD at 7:53 pm

Washington (IAD) to San Diego (SAN): Airport Information

Origin Airport Washington Dulles International , Washington, US
Destination Airport San Diego International , San Diego, US
Distance 2253 miles

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