฿9,415 Cheap American Airlines flights from Washington to San Diego (IAD→SAN)

View ฿9,415 flight on Sun, 22 Mar 2026Opens in a new window

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American Airlines flights from Washington to San Diego (IAD→SAN)

Prices were available within the past 7 days and start at ฿9,415 for one-way flights and ฿13,490 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, 22 Mar - Wed, 25 Mar
IAD
Washington
SAN
San Diego
฿13,490 Return, found 5 days ago
฿13,490
Return
found 5 days ago
Select American Airlines flight, departing Sun, 22 Mar from Washington to San Diego, returning Wed, 25 Mar, priced at ฿13,490 found 5 days ago
American Airlines
Sun, 22 Mar - Wed, 25 Mar
IAD
Washington
SAN
San Diego
฿15,105 Return, found 5 days ago
฿15,105
Return
found 5 days ago
Select American Airlines flight, departing Sun, 22 Mar from Washington to San Diego, returning Wed, 25 Mar, priced at ฿15,105 found 5 days ago
American Airlines
Sun, 22 Mar - Wed, 25 Mar
IAD
Washington
SAN
San Diego
฿15,380 Return, found 5 days ago
฿15,380
Return
found 5 days ago
Select American Airlines flight, departing Sun, 22 Mar from Washington to San Diego, returning Wed, 25 Mar, priced at ฿15,380 found 5 days ago
American Airlines
Sun, 22 Mar - Wed, 25 Mar
IAD
Washington
SAN
San Diego
฿15,390 Return, found 5 days ago
฿15,390
Return
found 5 days ago
Select American Airlines flight, departing Sun, 22 Mar from Washington to San Diego, returning Wed, 25 Mar, priced at ฿15,390 found 5 days ago

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

September is typically the cheapest month to fly

From ฿5,612 - ฿10,221 per traveller.
Flight from Washington to San Diego route information
Origin airport
Washington Dulles Intl.
Destination airport
San Diego Intl.
Distance
3598 km
Average flight time
2 hours 51 mins

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 ฿9,415 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from ฿13,490 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.

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*Available to Expedia members.