
Popular airlines from Ronald Reagan National Airport (DCA) to San Diego Intl. Airport (SAN)
- British Airways
British Airways
- easyJet
easyJet
- Lufthansa
Lufthansa
- Ryanair
Ryanair
- American Airlines
American Airlines
- Jet2
Jet2
- Swiss International Air Lines
Swiss International Air Lines
- Plan, book, fly with confidence
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Cheap Flights from Washington (DCA) to San Diego (SAN)
Prices were available within the past 7 days and start at £95 for one-way flights and £176 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Washington (DCA) to San Diego (SAN)
October is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Ronald Reagan Washington National |
Destination airport | San Diego Intl. |
Return price | £175 |
Distance | 3633 km |
Average flight time | 4 hours 4 mins |
Compare flights from Washington to San Diego easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to San Diego. Operating between them 4 flights per day, 20 airlines cover the route. And Alaska Airlines, Southwest Airlines, Hawaiian Airlines, United Airlines fly direct, getting you to San Diego Intl. in just 0hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Ronald Reagan Washington National to San Diego Intl..
To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.
Grab a great deal on your flight from Ronald Reagan Washington National (DCA) to San Diego Intl. (SAN)
The easiest way to view the best deals on flights from Washington to San Diego today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Ronald Reagan Washington National to San Diego Intl. start at just £176 and range up to £221.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Washington and San Diego
- booking your flight during September, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your Washington to San Diego flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Ronald Reagan Washington National to San Diego Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.
Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.
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Top Routes to San Diego
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Nearby Airports
- College Park Airport (CGS)
- Tipton Airport (FME)
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