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Cheap flights from Washington Ronald Reagan to San Diego

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Flight deals from Washington Ronald Reagan to San Diego

Looking for a cheap last-minute deal or the best round-trip flight from Washington Ronald Reagan to San Diego? Find the lowest prices on one-way and round-trip tickets right here.
San Diego.C$270 per passenger.Departing Tue, Jul 1, returning Tue, Jul 15.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Ronald Reagan on Tue, Jul 1, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departing from San Diego International on Tue, Jul 15, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$270, select.
San Diego.C$270 per passenger.Departing Thu, Jun 5, returning Mon, Jun 9.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Ronald Reagan on Thu, Jun 5, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departing from San Diego International on Mon, Jun 9, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$270, select.
San Diego.C$270 per passenger.Departing Fri, Aug 8, returning Mon, Aug 11.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Ronald Reagan on Fri, Aug 8, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departing from San Diego International on Mon, Aug 11, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$270, select.
San Diego.C$270 per passenger.Departing Fri, Sep 5, returning Mon, Sep 8.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Ronald Reagan on Fri, Sep 5, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departing from San Diego International on Mon, Sep 8, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$270, select.
San Diego.C$281 per passenger.Departing Sat, May 24, returning Wed, May 28.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Ronald Reagan on Sat, May 24, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departing from San Diego International on Wed, May 28, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$281, select.
San Diego.C$282 per passenger.Departing Wed, May 28, returning Wed, Jun 4.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Ronald Reagan on Wed, May 28, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departing from San Diego International on Wed, Jun 4, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$282, select.
San Diego.C$284 per passenger.Departing Thu, Aug 28, returning Tue, Sep 2.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Ronald Reagan on Thu, Aug 28, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departing from San Diego International on Tue, Sep 2, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$284, select.
San Diego.C$293 per passenger.Departing Thu, Jul 31, returning Wed, Aug 6.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Washington Ronald Reagan on Thu, Jul 31, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departing from San Diego International on Wed, Aug 6, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$293, select.

Find the cheapest month to fly from Washington Ronald Reagan to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Ronald Reagan to San Diego flights are currently cheapest in June.
May
from C$281
Jun
from C$270
Jul
from C$270
Aug
from C$270
Sep
from C$270
Oct
from C$386
Nov
from C$412
Dec
from C$470
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
from C$2,042

Direct flights from Washington Ronald Reagan to San Diego

Alternative Washington Ronald Reagan to San Diego routes

Looking for the cheapest, fastest or easiest route from Washington Ronald Reagan to San Diego? You could fly into the following airports instead.

Washington, D.C. to San Diego: Flight information

The things to know before you go.
Cheapest flight foundC$270
Cheapest month to flyJune
Average flight time5 hrs, 31 mins
Most popular airlineHawaiian Airlines
Average flights per week16

Finding cheap flights from Washington Ronald Reagan to San Diego: Frequently asked questions

There are 2 airports in San Diego: San Diego International and McClellan – Palomar.
The best price we found for a round-trip flight from Washington Ronald Reagan to San Diego is C$270. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 30 minutes is the average flight time from Washington Ronald Reagan to San Diego.
Hawaiian Airlines and Alaska Airlines fly direct from Washington Ronald Reagan to San Diego.
There are 16 flights per week flying from Washington Ronald Reagan to San Diego, as of May 2025.
The cheapest month to fly from Washington Ronald Reagan to San Diego is usually May 2025.
If you're flying from Washington Ronald Reagan Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the center of San Diego. We've found flights to this airport from C$270.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Ronald Reagan Airport to San Diego on Thursday, June 5, 2025.
Yes – the average flight time is 5 hours and 30 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 17°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Frontier Airlines and Alaska Airlines offer the cheapest flight tickets to San Diego.

Travelling from Ronald Reagan National Airport (DCA) to San Diego: what you need to know

  • Approximately 5 hours is how long you can expect to be travelling on a direct flight from Ronald Reagan National Airport to San Diego.

  • San Diego is three hours behind Washington DC, where Ronald Reagan National Airport is located. San Diego runs on the UTC-7 timezone.

  • The busiest route is from Ronald Reagan National Airport (DCA) to San Diego International Airport (SAN). You can select from seven services every week between these two airports. Alaska Airlines offers a 08:30 departure between DCA and SAN.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your DCA to San Diego flight.

  • If you're heading away during a major holiday or another peak period, allow extra time. A good rule is two hours before domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

  • Begin your trip at DCA and fly nonstop to San Diego International Airport (SAN). That's where you can expect to touch down when searching for Ronald Reagan National Airport to San Diego tickets.

  • Keep your eyes peeled for deals with Alaska Airlines. This carrier has direct flights from Ronald Reagan National Airport to San Diego.

  • Located around 6 kilometres from central Washington DC, DCA can be reached in about 15 minutes by car. The journey on public transport takes roughly 45 minutes.

  • Searching for a hotel close to DCA? If you're catching an early flight from Ronald Reagan National Airport to San Diego, these stays put the terminal practically at your doorstep:

  • Of all flights leaving Ronald Reagan National Airport, 76.44% land on time at their destination.

  • DCA is located at 1 Aviation Circle.

How to find the cheapest flights from Ronald Reagan National Airport (DCA) to San Diego

  • C$135 is the cheapest price we've seen for a one-way Ronald Reagan National Airport to San Diego flight. A round-trip ticket right now is C$270. Depending on the availability and when you book, these fares could change.

  • Book one month before travelling. Research on pricing trends suggests this is the ideal window for finding cheap flights from DCA to San Diego.

  • May is the best month for scoring a fantastic deal on Ronald Reagan National Airport to San Diego tickets. If you want to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Never miss a deal on cheap flights from DCA to San Diego by setting up a Price Alert. You'll get an email or notification through the app when a new discounted fare appears.

  • Tailor your flights with filters. Select your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Ronald Reagan National Airport to San Diego.

Airports in San Diego

San Diego International Airport (SAN)

  • The distance from San Diego International Airport (SAN) to central San Diego is roughly 5 kilometres. It'll take you around 10 minutes to reach the centre driving.

  • It'll take around 20 minutes if you're travelling on public transport.

  • Book a hotel near SAN if you have a late flight from Ronald Reagan National Airport to San Diego. Pick one of these options and make your first night all about rest:

  • Go where the road takes you with a San Diego International Airport rental car. Book your wheels from Thrifty, Dollar or Budget and find adventure across San Diego and beyond.

  • Reserving your ride from San Diego International Airport about two weeks in advance of your flight from DCA to San Diego can help you secure the lowest rate.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • Once your flight from Ronald Reagan National Airport to San Diego has hit the tarmac, you can get to the city centre in about 40 minutes by car. Central San Diego is roughly 56 kilometres from McClellan-Palomar Airport (CLD).

  • The journey will take roughly 2 hours 15 minutes on public transport.

  • Hang the 'Do not disturb' sign on your door and relax at a hotel close to CLD. Here are a few options where you can check in after your DCA to San Diego flight:

  • No need to worry about public transport schedules or waiting in a long cab line. Grab a McClellan-Palomar Airport rental car and blaze your own trail. Compare offers from Budget, Hertz and Avis.

  • Avoid filling out paperwork at the rental desk by having everything prearranged. Reserve your ride from CLD ahead of time so you can simply get the keys and go.

Best time to go to San Diego

  • Travel to San Diego in high season if you want a bustling atmosphere, but remember that hotel prices are typically higher. Alternatively, book flights from Ronald Reagan National Airport to San Diego during low season when prices are cheaper and it's not as busy.

  • Book a Ronald Reagan National Airport to San Diego flight ticket with a departure in August to visit the city during its warmest month. Expect temperatures to range from 17ºC (63ºF) to 28ºC (82ºF).

  • For cooler conditions, look for a cheap ticket from DCA to San Diego in February when temperatures average between 7ºC (45ºF) and 23ºC (73ºF).

More about San Diego

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in San Diego right here. Explore these options after you've booked your flight from Ronald Reagan National Airport to San Diego:

  • USS Midway Museum and San Diego Zoo are just the start of the big attractions to add to your San Diego travel itinerary. Continue your sightseeing adventures at SeaWorld San Diego.

Explore more of United States

  • Los Angeles is just one of the many cities in United States waiting to be discovered once you've seen the sights of San Diego. Around 177 kilometres away to the north-west, its top attractions include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If you want to check out another side of United States, head for Phoenix, roughly 483 kilometres east of San Diego. Desert Botanical Garden, Heard Museum and Papago Park are highlights.

Plan the rest of your trip from Washington, D.C. to San Diego

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.