￥23,330 Cheap American Airlines flights Washington (IAD) to San Diego (SAN)

View ￥23,330 flight on Sat, Jan 31, 2026Opens in a new window
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￥23,330 Cheap American Airlines flights Washington (IAD) to San Diego (SAN)

Prices were available within the past 7 days and start at ￥23,330 for one-way flights and ￥41,830 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Feb 4 - Mon, Feb 9
IAD
Washington
SAN
San Diego
￥41,830 Roundtrip, found 15 hours ago
￥41,830
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Feb 4 from Washington to San Diego, returning Mon, Feb 9, priced at ￥41,830 found 15 hours ago
American Airlines
Sat, Jan 24 - Sat, Jan 31
IAD
Washington
SAN
San Diego
￥44,390 Roundtrip, found 2 days ago
￥44,390
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jan 24 from Washington to San Diego, returning Sat, Jan 31, priced at ￥44,390 found 2 days ago
American Airlines
Sat, Jan 24 - Sat, Jan 31
IAD
Washington
SAN
San Diego
￥52,790 Roundtrip, found 2 days ago
￥52,790
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jan 24 from Washington to San Diego, returning Sat, Jan 31, priced at ￥52,790 found 2 days ago
American Airlines
Sat, Jan 24 - Sat, Jan 31
IAD
Washington
SAN
San Diego
￥54,470 Roundtrip, found 2 days ago
￥54,470
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jan 24 from Washington to San Diego, returning Sat, Jan 31, priced at ￥54,470 found 2 days ago
American Airlines
Sat, Jan 24 - Sat, Jan 31
IAD
Washington
SAN
San Diego
￥56,020 Roundtrip, found 2 days ago
￥56,020
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jan 24 from Washington to San Diego, returning Sat, Jan 31, priced at ￥56,020 found 2 days ago
American Airlines
Sat, Jan 24 - Sat, Jan 31
IAD
Washington
SAN
San Diego
￥59,090 Roundtrip, found 2 days ago
￥59,090
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jan 24 from Washington to San Diego, returning Sat, Jan 31, priced at ￥59,090 found 2 days ago

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

September is typically the cheapest month to fly

From ￥27,039 - ￥49,250 per traveler.

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 ￥23,330 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from ￥41,830 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 organizing your trip.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
San Diego Intl.
Distance
3598 km
Average flight time
2 hours 47 mins
*Available to Expedia members.