NT$5,770 Cheap United flights Washington (DCA) to San Diego (SAN)

View NT$5,770 flight on Wed, 2025/10/15Opens in a new window

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NT$5,770 Cheap United flights Washington (DCA) to San Diego (SAN)

Prices were available within the past 7 days and start at NT$5,770 for one-way flights and NT$10,337 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 27 - Sat, Oct 4
DCA
Washington
SAN
San Diego
NT$10,337 Roundtrip, found 2 days ago
NT$10,337
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 27 from Washington to San Diego, returning Sat, Oct 4, priced at NT$10,337 found 2 days ago
United
Sat, Sep 27 - Sat, Oct 4
DCA
Washington
SAN
San Diego
NT$10,810 Roundtrip, found 2 days ago
NT$10,810
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 27 from Washington to San Diego, returning Sat, Oct 4, priced at NT$10,810 found 2 days ago
United
Sat, Sep 27 - Sat, Oct 4
DCA
Washington
SAN
San Diego
NT$10,949 Roundtrip, found 2 days ago
NT$10,949
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 27 from Washington to San Diego, returning Sat, Oct 4, priced at NT$10,949 found 2 days ago
United
Sat, Sep 27 - Sat, Oct 4
DCA
Washington
SAN
San Diego
NT$12,346 Roundtrip, found 2 days ago
NT$12,346
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 27 from Washington to San Diego, returning Sat, Oct 4, priced at NT$12,346 found 2 days ago
Flights from Washington (DCA) to San Diego (SAN)
Origin airport
Ronald Reagan Washington National
Destination airport
San Diego Intl.
Distance
3633 km
Average flight time
4 hours 28 mins

Frequently asked questions

How much is a United Airlines flight from Ronald Reagan Washington National Airport (DCA) to San Diego Intl. Airport (SAN)?
You can find affordable return United Airlines flights from NT$10,337 from DCA to SAN by sorting your results from "Price (lowest to highest)" on Expedia. Or search for options from NT$5,770 for a one-way trip.**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 United Airlines?
United Airlines flights to San Diego are generally cheaper in the low-season months of January and November. Whether you're after a return or one-way ticket, you could score a better deal then.
Does United Airlines fly nonstop from Ronald Reagan Washington National Airport (DCA) to San Diego Intl. Airport (SAN)?
Fill in your dates, hit search and select "Nonstop" on Expedia to find any direct flights from DCA to SAN with United Airlines or other airlines.
What airports does United Airlines fly into in San Diego?
Catch a United Airlines flight from Ronald Reagan Washington National Airport (DCA) to San Diego, and you'll likely touch down at San Diego Intl. Airport (SAN). This is the airline's primary hub in this destination.
Can I change or cancel my United Airlines flight from Ronald Reagan Washington National Airport (DCA) to San Diego Intl. Airport (SAN)?
Depending on the type of ticket you purchased, a fee is typically charged if you cancel or change your flight more than 24 hours after confirmation. To find tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes while searching for flights. For more information on canceling or modifying your reservation, head to "Trips," select your flight and tick "Manage Booking."
*Available to Expedia members.