S$190 Cheap Flights from Washington to San Diego

View S$190 flight on Sat, 9 May, 2026Opens 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 S$190 for one-way flights and S$379 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 9 May - Sat, 16 May
IAD
Washington
SAN
San Diego
S$379 Return, found 5 hours ago
S$379
Return
found 5 hours ago
Select Delta flight, departing Sat, 9 May from Washington to San Diego, returning Sat, 16 May, priced at S$379 found 5 hours ago
Delta
Sat, 9 May - Sat, 16 May
IAD
Washington
SAN
San Diego
S$458 Return, found 5 hours ago
S$458
Return
found 5 hours ago
Select Delta flight, departing Sat, 9 May from Washington to San Diego, returning Sat, 16 May, priced at S$458 found 5 hours ago
United
Sat, 9 May - Sat, 16 May
IAD
Washington
SAN
San Diego
S$462 Return, found 5 hours ago
S$462
Return
found 5 hours ago
Select United flight, departing Sat, 9 May from Washington to San Diego, returning Sat, 16 May, priced at S$462 found 5 hours ago
United
Sat, 9 May - Sat, 16 May
IAD
Washington
SAN
San Diego
S$469 Return, found 5 hours ago
S$469
Return
found 5 hours ago
Select United flight, departing Sat, 9 May from Washington to San Diego, returning Sat, 16 May, priced at S$469 found 5 hours ago
United
Sat, 9 May - Sat, 16 May
IAD
Washington
SAN
San Diego
S$475 Return, found 5 hours ago
S$475
Return
found 5 hours ago
Select United flight, departing Sat, 9 May from Washington to San Diego, returning Sat, 16 May, priced at S$475 found 5 hours ago
American Airlines
Sat, 9 May - Sat, 16 May
IAD
Washington
SAN
San Diego
S$481 Return, found 5 hours ago
S$481
Return
found 5 hours ago
Select American Airlines flight, departing Sat, 9 May from Washington to San Diego, returning Sat, 16 May, priced at S$481 found 5 hours ago
United
Sat, 9 May - Sat, 16 May
IAD
Washington
SAN
San Diego
S$532 Return, found 5 hours ago
S$532
Return
found 5 hours ago
Select United flight, departing Sat, 9 May from Washington to San Diego, returning Sat, 16 May, priced at S$532 found 5 hours ago
United
Sat, 9 May - Sat, 16 May
IAD
Washington
SAN
San Diego
S$541 Return, found 5 hours ago
S$541
Return
found 5 hours ago
Select United flight, departing Sat, 9 May from Washington to San Diego, returning Sat, 16 May, priced at S$541 found 5 hours ago
American Airlines
Sat, 9 May - Sat, 16 May
IAD
Washington
SAN
San Diego
S$545 Return, found 5 hours ago
S$545
Return
found 5 hours ago
Select American Airlines flight, departing Sat, 9 May from Washington to San Diego, returning Sat, 16 May, priced at S$545 found 5 hours ago
United
Sat, 9 May - Sat, 16 May
IAD
Washington
SAN
San Diego
S$548 Return, found 5 hours ago
S$548
Return
found 5 hours ago
Select United flight, departing Sat, 9 May from Washington to San Diego, returning Sat, 16 May, priced at S$548 found 5 hours ago

Frequently asked questions

How much is a flight from Dulles Intl. Airport to San Diego Airport?
The lowest price advertised for a round-trip journey from Dulles Intl. Airport to SAN is S$379. But you better get a move on. This price is based on 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 Washington Dulles Intl. Airport (IAD) to San Diego Intl. Airport (SAN)?
We understand that circumstances change unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from IAD 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 Dulles Intl. Airport to San Diego Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from IAD to San Diego Airport?
The flying distance between Washington Dulles Intl. Airport (IAD) (IAD) and San Diego Airport (SAN) is 3,600 kilometres. Listen to some music or finish that novel and the trip will fly by.
Which airlines fly direct from IAD to SAN?
A favourite with many frequent flyers, United Airlines (UA) offers 91 flights every month from Washington Dulles Intl. Airport (IAD) to SAN. Pick the one that suits your travel plans and book your fare today.
Are Dulles Intl. Airport to San Diego Intl. Airport (SAN) flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally score a bargain, with some of the cheapest fares from Dulles Intl. Airport to San Diego Intl. Airport (SAN) appearing a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines publish prices that far in advance.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
San Diego Intl.
Return price
S$379
Distance
3598 km
Average flight time
2 hours 49 mins

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