American Airlines Cheap Flights from Washington to San Diego

View €110 flight on Tue, 21 Oct 2025Opens in a new window
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Prices were available within the past 7 days and start at €110 for one-way flights and €203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 4 Oct - Wed, 8 Oct
IAD
Washington
SAN
San Diego
€203 Return, found 6 days ago
€203
Return
found 6 days ago
Select American Airlines flight, departing Sat, 4 Oct from Washington to San Diego, returning Wed, 8 Oct, priced at €203 found 6 days ago
American Airlines
Sun, 12 Oct - Thu, 16 Oct
IAD
Washington
SAN
San Diego
€263 Return, found 6 days ago
€263
Return
found 6 days ago
Select American Airlines flight, departing Sun, 12 Oct from Washington to San Diego, returning Thu, 16 Oct, priced at €263 found 6 days ago
American Airlines
Sat, 11 Oct - Sat, 18 Oct
IAD
Washington
SAN
San Diego
€269 Return, found 1 day ago
€269
Return
found 1 day ago
Select American Airlines flight, departing Sat, 11 Oct from Washington to San Diego, returning Sat, 18 Oct, priced at €269 found 1 day ago
American Airlines
Sat, 11 Oct - Wed, 15 Oct
IAD
Washington
SAN
San Diego
€280 Return, found 6 days ago
€280
Return
found 6 days ago
Select American Airlines flight, departing Sat, 11 Oct from Washington to San Diego, returning Wed, 15 Oct, priced at €280 found 6 days ago
American Airlines
Sun, 12 Oct - Thu, 16 Oct
IAD
Washington
SAN
San Diego
€288 Return, found 6 days ago
€288
Return
found 6 days ago
Select American Airlines flight, departing Sun, 12 Oct from Washington to San Diego, returning Thu, 16 Oct, priced at €288 found 6 days ago
American Airlines
Fri, 3 Oct - Wed, 8 Oct
IAD
Washington
SAN
San Diego
€293 Return, found 6 days ago
€293
Return
found 6 days ago
Select American Airlines flight, departing Fri, 3 Oct from Washington to San Diego, returning Wed, 8 Oct, priced at €293 found 6 days ago

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 €110 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from €203 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

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, United
Popular airline
American Airlines
Distance
3598 km
Average flight time
2 hours 58 mins

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