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฿5,645 Cheap Delta flights from Washington to San Diego (DCA→SAN)

View ฿5,645 flight on Sat, 7 Nov 2026Opens in a new window

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Delta flights from Washington to San Diego (DCA→SAN)

Prices were available within the past 7 days and start at ฿5,645 for one-way flights and ฿11,290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 7 Nov - Mon, 9 Nov
DCA
Washington
SAN
San Diego
฿11,290 Return, found 4 days ago
฿11,290
Return
found 4 days ago
Select Delta flight, departing Sat, 7 Nov from Washington to San Diego, returning Mon, 9 Nov, priced at ฿11,290 found 4 days ago
Delta
Fri, 6 Nov - Mon, 9 Nov
DCA
Washington
SAN
San Diego
฿11,790 Return, found 4 days ago
฿11,790
Return
found 4 days ago
Select Delta flight, departing Fri, 6 Nov from Washington to San Diego, returning Mon, 9 Nov, priced at ฿11,790 found 4 days ago
Delta
Sat, 7 Nov - Mon, 9 Nov
DCA
Washington
SAN
San Diego
฿11,965 Return, found 4 days ago
฿11,965
Return
found 4 days ago
Select Delta flight, departing Sat, 7 Nov from Washington to San Diego, returning Mon, 9 Nov, priced at ฿11,965 found 4 days ago
Delta
Fri, 6 Nov - Mon, 9 Nov
DCA
Washington
SAN
San Diego
฿12,640 Return, found 4 days ago
฿12,640
Return
found 4 days ago
Select Delta flight, departing Fri, 6 Nov from Washington to San Diego, returning Mon, 9 Nov, priced at ฿12,640 found 4 days ago
Delta
Fri, 6 Nov - Mon, 9 Nov
DCA
Washington
SAN
San Diego
฿12,995 Return, found 4 days ago
฿12,995
Return
found 4 days ago
Select Delta flight, departing Fri, 6 Nov from Washington to San Diego, returning Mon, 9 Nov, priced at ฿12,995 found 4 days ago
Delta
Fri, 6 Nov - Mon, 9 Nov
DCA
Washington
SAN
San Diego
฿13,675 Return, found 4 days ago
฿13,675
Return
found 4 days ago
Select Delta flight, departing Fri, 6 Nov from Washington to San Diego, returning Mon, 9 Nov, priced at ฿13,675 found 4 days ago
Delta
Sat, 7 Nov - Mon, 9 Nov
DCA
Washington
SAN
San Diego
฿14,665 Return, found 4 days ago
฿14,665
Return
found 4 days ago
Select Delta flight, departing Sat, 7 Nov from Washington to San Diego, returning Mon, 9 Nov, priced at ฿14,665 found 4 days ago

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

October is typically the cheapest month to fly

From ฿5,959 - ฿11,151 per traveller.

Frequently asked questions

How much is a Delta Air Lines flight from Ronald Reagan Washington National Airport (DCA) to San Diego Intl. Airport (SAN)?
Landing cheap one-way Delta Air Lines flights from DCA to SAN from ฿5,645 on Expedia is a breeze — just filter by "Price (lowest to highest)." Or check out our affordable return fares from ฿11,290 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 DCA to SAN with Delta Air Lines?
Delta Air Lines flights to San Diego are often cheaper in the low-season months of January and November. Whether you're after a return or one-way ticket, you could land a better deal then.
Does Delta Air Lines fly nonstop from Ronald Reagan Washington National Airport (DCA) to San Diego Intl. Airport (SAN)?
Fill in your dates, press search and check "Nonstop" on Expedia to browse any direct flights from DCA to SAN with Delta Air Lines or another airline.
What airports does Delta Air Lines fly into in San Diego?
San Diego Intl. Airport (SAN) is the primary San Diego gateway for Delta Air Lines flights from Ronald Reagan Washington National Airport (DCA).
Can I change or cancel my Delta Air Lines flight from Ronald Reagan Washington National Airport (DCA) to San Diego Intl. Airport (SAN)?
Depending on the ticket type you purchased, a fee may apply if you cancel or reschedule your booking more than 24 hours after it's confirmed. To secure plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when looking for flights. For more details on cancelling or modifying your reservation, visit "Trips," select your flight and tick "Manage Booking."

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
San Diego Intl.
Distance
3633 km
Average flight time
4 hours 1 min

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