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Flight tickets from Washington D.C. to San Diego

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Compare Washington D.C. to San Diego flight deals

Find the cheapest month or even day of the year to fly to San Diego

Book the best San Diego fare with no extra fees

Flight deals from Washington D.C. to San Diego

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to San Diego? Find the lowest prices on one-way and return tickets right here.
San Diego.₹ 5,984 per passenger.Departing Wed, 16 Apr.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Wed, 16 Apr, arriving in San Diego International.Price includes taxes and charges.From ₹ 5,984, select.
San Diego.₹ 7,813 per passenger.Departing Sat, 3 May.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Sat, 3 May, arriving in San Diego International.Price includes taxes and charges.From ₹ 7,813, select.
San Diego.₹ 9,686 per passenger.Departing Tue, 3 Jun.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Tue, 3 Jun, arriving in San Diego International.Price includes taxes and charges.From ₹ 9,686, select.
San Diego.₹ 10,136 per passenger.Departing Sat, 3 May.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Washington Dulles on Sat, 3 May, arriving in San Diego International.Price includes taxes and charges.From ₹ 10,136, select.
San Diego.₹ 10,138 per passenger.Departing Sat, 26 Apr.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Sat, 26 Apr, arriving in San Diego International.Price includes taxes and charges.From ₹ 10,138, select.
San Diego.₹ 11,849 per passenger.Departing Thu, 5 Jun.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Thu, 5 Jun, arriving in San Diego International.Price includes taxes and charges.From ₹ 11,849, select.
San Diego.₹ 12,679 per passenger.Departing Tue, 1 Jul.One-way flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Tue, 1 Jul, arriving in San Diego International.Price includes taxes and charges.From ₹ 12,679, select.
San Diego.₹ 12,818 per passenger.Departing Sat, 2 Aug.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Sat, 2 Aug, arriving in San Diego International.Price includes taxes and charges.From ₹ 12,818, select.

Find the cheapest month to fly from Washington D.C. to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to San Diego flights are currently cheapest in April.
Mar
from ₹ 13,387
Apr
from ₹ 5,984
May
from ₹ 7,813
Jun
from ₹ 9,686
Jul
from ₹ 12,679
Aug
from ₹ 12,818
Sep
from ₹ 14,463
Oct
from ₹ 17,838
Nov
from ₹ 13,630
Dec
from ₹ 14,391
Jan
from ₹ 14,391
Feb
from ₹ 17,988

Direct flights from Washington D.C. to San Diego

Alternative Washington D.C. to San Diego routes

Looking for the cheapest, fastest or easiest route from Washington D.C. 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 found₹ 5,984
Cheapest month to flyApril
Average flight time5 hrs, 32 mins
Most popular airlineSouthwest Airlines
Average flights per week111

Finding cheap flights from Washington D.C. 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 return flight from Washington D.C. to San Diego is ₹ 15,329. 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 32 minutes is the average flight time from Washington D.C. to San Diego.
Southwest Airlines, United and Hawaiian Airlines fly direct from Washington D.C. to San Diego.
As of March 2025, there are 111 flights per week flying from Washington D.C. to San Diego.
The cheapest month to fly from Washington D.C. to San Diego is usually March 2025.
If you're flying from Washington D.C., the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from ₹ 15,329.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to San Diego on Saturday, 19 April 2025.
Yes – the average flight time is 5 hours and 32 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 March, the average temperature is usually around 14°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.
The cheapest airline that flies to San Diego is Spirit Airlines. And the cheapest airline that flies to McClellan-Palomar Airport is United.

Travelling from Washington DC to San Diego: what you need to know

  • Begin planning your trip by checking out the departure points for your flight from Washington DC to San Diego. Explore your options for setting off from Ronald Reagan National Airport (DCA) or Washington Dulles International Airport (IAD), two of the city's main airports.

  • When it comes to arriving in San Diego, San Diego International Airport (SAN) is a major hub. Another is McClellan-Palomar Airport (CLD).

  • 5 hours 28 minutes is the average duration of a direct flight from Washington DC to San Diego. Following the UTC-7 timezone, San Diego is 3 hours behind Washington DC.

  • Give yourself plenty of time to catch your flight from Washington DC to San Diego. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Longer lines at check-in and security are more likely if you're flying during high season, so give yourself a little extra breathing room. A good rule for peak times? Get there up to four hours early for international flights and at least two hours for domestic departures.

  • When flying domestically within United States, you don't need a visa or passport. However, you'll have to show another form of identification, like a driver's licence or ID card. Once you've booked cheap flights from Washington DC to San Diego, make sure your ID is up to date.

Flying from Washington DC

Ronald Reagan National Airport (DCA)

  • Stopovers are the ideal opportunity to take a break from travelling — and possibly even explore another city. When searching for flights from Washington DC to San Diego departing from Ronald Reagan National Airport, deselect the 'Direct flights only' box to see where you can visit along the way. Consider one of these popular options:

    • Dallas Love Field Airport (DAL)

    • Chicago Midway International Airport (MDW)

    • Phoenix Sky Harbour International Airport (PHX)

  • The journey from central Washington DC to DCA takes approximately 43 minutes on public transport. If you ride-share, drive or grab a cab, you'll cover the 8 kilometres in 16 minutes or so, depending on traffic.

  • In search of a convenient hotel close to Ronald Reagan National Airport? If you're catching an early flight from Washington DC to San Diego, these stays will have you sleeping moments from your departure lounge:

Washington Dulles International Airport (IAD)

  • It's also possible to take a direct flight from Washington DC to San Diego out of Washington Dulles International Airport (IAD). Nonstop connections from IAD will get you to San Diego International Airport (SAN).

  • From IAD, direct flights from Washington DC to San Diego are available with United Airlines.

  • Split up your flight from Washington DC to San Diego with a stop so you can recharge or cross another place off your list. Some top stopovers between Ronald Reagan National Airport and San Diego include:

    • Dallas Love Field Airport (DAL)

    • Chicago Midway International Airport (MDW)

    • Phoenix Sky Harbour International Airport (PHX)

  • IAD is around 56 kilometres from central Washington DC. It'll take 51 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 3 hours and 26 minutes.

  • You're going on holiday, so why not book an extra night away from home? Think about kicking back in one of these accommodation options near Washington Dulles International Airport the day before your flight from Washington DC to San Diego:

Arriving in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to central San Diego takes around 9 minutes by car. It's approximately 5 kilometres away.

  • When travelling on public transport, expect a journey time of roughly 20 minutes.

  • Book a hotel close to SAN if you have a late flight from Washington DC to San Diego. Select one of these accommodation options and avoid the hassle of a long transfer:

McClellan-Palomar Airport (CLD)

How to find the cheapest flights from Washington DC to San Diego

  • Currently, ₹ 5,984 is the lowest price we've seen for a one-way ticket from Washington DC to San Diego. The cheapest price for a return flight is ₹ 15,329. Keep in mind fares can change due to availability at the time of booking.

  • It's a good idea to book in advance if you're looking for cheap tickets from Washington DC to San Diego. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' tool shows you the cheapest tickets from Washington DC to San Diego throughout the entire month. It's the best way to snap up a bargain if your travel dates are flexible.

  • Sign into your online account or use the app to set up a Price Alert. You'll get notified right away if there's a cheaper deal on this route. It's easy to do, and it'll save you from checking for cheap tickets from Washington DC to San Diego every day.

  • Use filters to find your ideal journey. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Washington DC to San Diego, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and journey duration.

Best time to go to San Diego

  • July is the busiest month for flights from Washington DC to San Diego. To steer clear of the crowds, head to San Diego in May.

  • Book your flight from Washington DC to San Diego for August if you want to explore the city during its warmest month. You can expect temperatures in San Diego to range from 17ºC to 28ºC.

  • February sees average temperatures of between 7ºC and 23ºC. Look for cheap tickets from Washington DC to San Diego around that time if you like cooler conditions.

More about San Diego

Complete your San Diego trip with a car rental

  • We use the same magic that helped you find your cheap flight from Washington DC to San Diego to track down amazing deals on car rentals. Search for your ride in seconds and easily compare your options. Plus we give you all the info you need to drive in San Diego, from the most popular car type to the best time to book.

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.