฿4,025 Cheap Delta flights from Washington to San Diego (DCA→SAN)

View ฿4,025 flight on Wed, 5 Aug 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 ฿4,025 for one-way flights and ฿9,305 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 5 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿9,305 Return, found 2 days ago
฿9,305
Return
found 2 days ago
Select Delta flight, departing Wed, 5 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿9,305 found 2 days ago
Delta
Thu, 6 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿10,550 Return, found 2 days ago
฿10,550
Return
found 2 days ago
Select Delta flight, departing Thu, 6 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿10,550 found 2 days ago
Delta
Wed, 5 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿10,895 Return, found 2 days ago
฿10,895
Return
found 2 days ago
Select Delta flight, departing Wed, 5 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿10,895 found 2 days ago
Delta
Wed, 5 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿11,490 Return, found 2 days ago
฿11,490
Return
found 2 days ago
Select Delta flight, departing Wed, 5 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿11,490 found 2 days ago
Delta
Wed, 5 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿11,660 Return, found 2 days ago
฿11,660
Return
found 2 days ago
Select Delta flight, departing Wed, 5 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿11,660 found 2 days ago
Delta
Mon, 20 Jul - Thu, 23 Jul
DCA
Washington
SAN
San Diego
฿12,145 Return, found 2 days ago
฿12,145
Return
found 2 days ago
Select Delta flight, departing Mon, 20 Jul from Washington to San Diego, returning Thu, 23 Jul, priced at ฿12,145 found 2 days ago

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

January is typically the cheapest month to fly

From ฿4,325 - ฿9,646 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 ฿4,025 on Expedia is a breeze — just filter by "Price (lowest to highest)." Or check out our affordable return fares from ฿9,305 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 41 mins

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