American Airlines Cheap Flights from Washington to San Diego

View €127 flight on Tue, 13 Jan 2026Opens in a new window
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Prices were available within the past 7 days and start at €127 for one-way flights and €202 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 10 Jan - Sat, 17 Jan
IAD
Washington
SAN
San Diego
€202 Return, found 3 days ago
€202
Return
found 3 days ago
Select American Airlines flight, departing Sat, 10 Jan from Washington to San Diego, returning Sat, 17 Jan, priced at €202 found 3 days ago
American Airlines
Sat, 10 Jan - Sat, 17 Jan
IAD
Washington
SAN
San Diego
€236 Return, found 3 days ago
€236
Return
found 3 days ago
Select American Airlines flight, departing Sat, 10 Jan from Washington to San Diego, returning Sat, 17 Jan, priced at €236 found 3 days ago
American Airlines
Thu, 8 Jan - Sat, 10 Jan
IAD
Washington
SAN
San Diego
€245 Return, found 3 days ago
€245
Return
found 3 days ago
Select American Airlines flight, departing Thu, 8 Jan from Washington to San Diego, returning Sat, 10 Jan, priced at €245 found 3 days ago
American Airlines
Thu, 8 Jan - Sat, 10 Jan
IAD
Washington
SAN
San Diego
€261 Return, found 3 days ago
€261
Return
found 3 days ago
Select American Airlines flight, departing Thu, 8 Jan from Washington to San Diego, returning Sat, 10 Jan, priced at €261 found 3 days ago
American Airlines
Mon, 2 Feb - Mon, 9 Feb
IAD
Washington
SAN
San Diego
€270 Return, found 2 days ago
€270
Return
found 2 days ago
Select American Airlines flight, departing Mon, 2 Feb from Washington to San Diego, returning Mon, 9 Feb, priced at €270 found 2 days ago
American Airlines
Sat, 10 Jan - Sat, 17 Jan
IAD
Washington
SAN
San Diego
€279 Return, found 3 days ago
€279
Return
found 3 days ago
Select American Airlines flight, departing Sat, 10 Jan from Washington to San Diego, returning Sat, 17 Jan, priced at €279 found 3 days ago

Find the cheapest month to fly from Washington (IAD) to San Diego (SAN)

October is typically the cheapest month to fly

From €150 - €265 per traveller.

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Diego Intl. SAN. Cheapest and Closest option available. Average driving time to city centre is 5 minutes. Flights from €313
SAN
San Diego Intl.
CheapestClosest
Average driving time to city centre5 min
Flights from €313

Frequently asked questions

How much is an American Airlines flight from Washington Dulles Intl. Airport (IAD) to San Diego Intl. Airport (SAN)?
Landing cheap one-way American Airlines flights from IAD to SAN from €127 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from €202 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAD to SAN with American Airlines?
American Airlines flights to San Diego are typically cheaper in the quieter months of January and November. Whether you need a one-way or a return ticket, you could score a better deal then.
Does American Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to San Diego Intl. Airport (SAN)?
Click on the "Nonstop" filter when searching for direct American Airlines flights from IAD to SAN. It's also a great way to compare other carriers offering the same direct trip.
What airports does American Airlines fly into in San Diego?
American Airlines flights from Washington Dulles Intl. Airport (IAD) to San Diego arrive at San Diego Intl. Airport (SAN). This is the main entry point here.
Can I change or cancel my American Airlines flight from Washington Dulles Intl. Airport (IAD) to San Diego Intl. Airport (SAN)?
Changes are usually free within 24 hours of booking, but your airline may charge a fee after that. For further details about altering your flights, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without additional charges, apply the "No cancel fee" or "Changes included" filter when organising your trip.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, United
Popular airline
United
Distance
3598 km
Average flight time
3 hours 32 mins

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