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Uncover the best deals on San Diego to Washington flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest SAN - IAD Flights
Useful information for finding best airline tickets from San Diego International to Washington Dulles International on your next trip.
Cheapest Round Trip Flight
$563
Southwest Airlines
• nonstop
• 7h 25m
Nov 24 – Nov 29
The cheapest round trip flight from San Diego to Washington (SAN-IAD-SAN) is currently $563
Cheapest Direct Flight
$352
United Airlines
• nonstop
• 15h 18m
Nov 24
The cheapest nonstop flight from San Diego to Washington (SAN-IAD) is currently $352
Fastest Flight
17m
The fastest nonstop flight from San Diego to Washington (SAN-IAD) takes 17m
Top Airlines Flying from San Diego to Washington
Latest Flight Deals from San Diego (SAN) to Washington (IAD)
Compare and book low fare round-trip air tickets from San Diego to Washington. Ideal for travelers with confirmed return itineraries.
Nov 24 - Nov 29, Economy
San Diego → Washington
7h 25m
5:20 PM - 1:05 AM • nonstop
San Diego → Washington
8h 50m
8:50 PM - 11:20 PM • nonstop
Southwest Airlines
Nov 24 - Nov 29, Economy
San Diego → Washington
17m
10:05 AM - 9:01 PM • 1 stop
San Diego → Washington
26m
9:56 PM - 9:10 AM • 1 stop
Frontier Airlines
Nov 24 - Nov 29, Economy
San Diego → Washington
7h 20m
9:55 PM - 5:35 AM • nonstop
San Diego → Washington
8h 50m
8:50 PM - 11:20 PM • nonstop
Southwest Airlines
Nov 24 - Nov 29, Economy
San Diego → Washington
7h 25m
6:35 AM - 2:20 PM • nonstop
San Diego → Washington
8h 50m
8:50 PM - 11:20 PM • nonstop
Southwest Airlines
Nov 24 - Nov 29, Economy
San Diego → Washington
7h 30m
1:15 PM - 9:05 PM • nonstop
San Diego → Washington
8h 50m
8:50 PM - 11:20 PM • nonstop
Southwest Airlines
Looking for the fastest way to Washington? These direct flight options from SAN to IAD offer both convenience and value—no layovers, just straight to your destination.
Nov 24 - Nov 29, Economy
San Diego → Washington
15h 18m
9:38 AM - 9:56 PM • nonstop
San Diego → Washington
9h 3m
5:50 PM - 8:33 PM • nonstop
United Airlines
Nov 24 - Nov 29, Economy
San Diego → Washington
7h 25m
5:20 PM - 1:05 AM • nonstop
San Diego → Washington
8h 50m
8:50 PM - 11:20 PM • nonstop
Southwest Airlines
Nov 24 - Nov 29, Economy
San Diego → Washington
7h 20m
9:55 PM - 5:35 AM • nonstop
San Diego → Washington
8h 50m
8:50 PM - 11:20 PM • nonstop
Southwest Airlines
Nov 24 - Nov 29, Economy
San Diego → Washington
7h 25m
6:35 AM - 2:20 PM • nonstop
San Diego → Washington
8h 50m
8:50 PM - 11:20 PM • nonstop
Southwest Airlines
Nov 24 - Nov 29, Economy
San Diego → Washington
7h 30m
1:15 PM - 9:05 PM • nonstop
San Diego → Washington
8h 50m
8:50 PM - 11:20 PM • nonstop
Southwest Airlines
FAQs on San Diego to Washington Flights
What are the airports in San Diego?
SAN
What’s the most popular airline flying from SAN to IAD?
The most popular airline flying from San Diego to Washington are
Can I fly from SAN to IAD non-stop?
Yes, you can fly SAN to IAD non-stop on
Which airlines fly nonstop between San Diego and Washington?
The non-stop flights between San Diego and Washington are .
What’s the earliest departure time from SAN to IAD Airport?
The earliest flight leaves SAN at 6:15 am and lands in IAD - Washington Dulles International
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my San Diego to Washington 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 SAN to IAD?
Read the fare rules of the San Diego to Washington 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 San Diego and Washington?
operate flights between San Diego and Washington
How long does a flight from San Diego to Washington take?
It takes approximately 5 hour to fly non-stop from SAN to IAD, which is 2253.07 miles by air.
Which airlines provide the cheapest flights from San Diego (SAN) to Washington (IAD) ?
In the past couple of days, the cheapest tickets to IAD from SAN were found on WN : USD 750
Do I need a passport to fly between SAN and IAD?
No
What’s the latest departure time from SAN to IAD ?
The last flight leaves SAN at 9:55 pm
San Diego (SAN) to Washington (IAD): Airport Information
| Origin Airport | San Diego International , San Diego, US |
| Destination Airport | Washington Dulles International , Washington, US |
| Distance | 2253 miles |
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