￥18,610 Cheap Flights from Washington (IAD) to San Diego (SAN)

View ￥18,610 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to San Diego Intl. Airport (SAN)

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Cheap Flights from Washington to San Diego (IAD-SAN)

Prices were available within the past 7 days and start at ￥18,610 for one-way flights and ￥48,820 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Jul 11 - Wed, Jul 16
IAD
Washington
SAN
San Diego
￥48,820 Roundtrip, found 4 days ago
￥48,820
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jul 11 from Washington to San Diego, returning Wed, Jul 16, priced at ￥48,820 found 4 days ago
Delta
Fri, Jul 11 - Wed, Jul 16
IAD
Washington
SAN
San Diego
￥49,580 Roundtrip, found 4 days ago
￥49,580
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jul 11 from Washington to San Diego, returning Wed, Jul 16, priced at ￥49,580 found 4 days ago
Delta
Fri, Jul 11 - Wed, Jul 16
IAD
Washington
SAN
San Diego
￥51,940 Roundtrip, found 4 days ago
￥51,940
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jul 11 from Washington to San Diego, returning Wed, Jul 16, priced at ￥51,940 found 4 days ago
American Airlines
Fri, Jul 11 - Wed, Jul 16
IAD
Washington
SAN
San Diego
￥52,480 Roundtrip, found 4 days ago
￥52,480
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jul 11 from Washington to San Diego, returning Wed, Jul 16, priced at ￥52,480 found 4 days ago
Delta
Fri, Jul 11 - Wed, Jul 16
IAD
Washington
SAN
San Diego
￥52,700 Roundtrip, found 4 days ago
￥52,700
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jul 11 from Washington to San Diego, returning Wed, Jul 16, priced at ￥52,700 found 4 days ago
American Airlines
Fri, Jul 11 - Wed, Jul 16
IAD
Washington
SAN
San Diego
￥54,600 Roundtrip, found 4 days ago
￥54,600
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Jul 11 from Washington to San Diego, returning Wed, Jul 16, priced at ￥54,600 found 4 days ago
United
Fri, Jul 11 - Wed, Jul 16
IAD
Washington
SAN
San Diego
￥54,710 Roundtrip, found 4 days ago
￥54,710
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jul 11 from Washington to San Diego, returning Wed, Jul 16, priced at ￥54,710 found 4 days ago
Delta
Fri, Jul 11 - Wed, Jul 16
IAD
Washington
SAN
San Diego
￥54,950 Roundtrip, found 4 days ago
￥54,950
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jul 11 from Washington to San Diego, returning Wed, Jul 16, priced at ￥54,950 found 4 days ago
United
Fri, Jul 11 - Wed, Jul 16
IAD
Washington
SAN
San Diego
￥55,470 Roundtrip, found 4 days ago
￥55,470
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jul 11 from Washington to San Diego, returning Wed, Jul 16, priced at ￥55,470 found 4 days ago
Delta
Fri, Jul 11 - Wed, Jul 16
IAD
Washington
SAN
San Diego
￥55,600 Roundtrip, found 4 days ago
￥55,600
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jul 11 from Washington to San Diego, returning Wed, Jul 16, priced at ￥55,600 found 4 days ago
Flights from Washington (IAD) to San Diego (SAN)
Origin airport
Washington Dulles Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
￥48,400
Distance
3598 km
Average flight time
2 hours 21 mins

Washington to San Diego Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Washington to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring San Diego.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with IAD to SAN flights that won’t make your bank account wince. Ready to temporarily leave behind Washington for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SAN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to San Diego Airport?
The lowest price advertised for a round-trip flight from IAD to San Diego Airport is ￥48,820. But you better move fast. This figure is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to San Diego Airport?
The majority of flights can be conveniently canceled online, but whether or not you are charged a fee all comes down to your airline. If you do have to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Dulles Intl. Airport to San Diego Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Washington Dulles Intl. Airport (IAD) to San Diego Intl. Airport (SAN) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from IAD to San Diego Intl. Airport (SAN)?
It takes roughly 5 hours and 17 minutes to get from Washington Dulles Intl. Airport (IAD) to SAN. But with a solid playlist and a few interesting magazines, the time will go by quicker.
How far is the flight from IAD to San Diego Airport?
Around 3,600 kilometers separates Chantilly and San Diego, so pack some entertainment to help you while away a couple of hours. That novel you've yet to start will do the trick.
Which airlines fly direct from IAD to San Diego Intl. Airport (SAN)?
Many travelers choose to fly with United Airlines (UA) from Dulles Intl. Airport to San Diego Airport. It offers 121 flights every month, so you can pick a flight time that's right for you. Another airline servicing this route is Alaska Airlines (AS). You'll have 30 flights each month to choose from.
Are Dulles Intl. Airport to SAN flight tickets cheaper when they're purchased at the last minute?
Booking your trip from IAD to San Diego Intl. Airport (SAN) at the last minute could be your ticket to a great deal. However, you might miss out on a flight altogether! If you'd rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

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