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Flight tickets from Washington D.C. to San Diego

Compare Washington D.C. to San Diego flight deals

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

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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.₹ 6,519 per passenger.Departing Tue, 7 Oct.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Tue, 7 Oct, arriving in San Diego International.Price includes taxes and charges.From ₹ 6,519, select.
San Diego.₹ 6,567 per passenger.Departing Sat, 13 Sep.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Sat, 13 Sep, arriving in San Diego International.Price includes taxes and charges.From ₹ 6,567, select.
San Diego.₹ 8,011 per passenger.Departing Tue, 19 Aug.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Tue, 19 Aug, arriving in San Diego International.Price includes taxes and charges.From ₹ 8,011, select.
San Diego.₹ 9,848 per passenger.Departing Mon, 10 Nov.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Mon, 10 Nov, arriving in San Diego International.Price includes taxes and charges.From ₹ 9,848, select.
San Diego.₹ 9,920 per passenger.Departing Wed, 30 Jul.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Wed, 30 Jul, arriving in San Diego International.Price includes taxes and charges.From ₹ 9,920, select.
San Diego.₹ 10,444 per passenger.Departing Mon, 15 Sep.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Mon, 15 Sep, arriving in San Diego International.Price includes taxes and charges.From ₹ 10,444, select.
San Diego.₹ 10,447 per passenger.Departing Tue, 12 Aug.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Tue, 12 Aug, arriving in San Diego International.Price includes taxes and charges.From ₹ 10,447, select.
San Diego.₹ 10,447 per passenger.Departing Mon, 10 Nov.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Mon, 10 Nov, arriving in San Diego International.Price includes taxes and charges.From ₹ 10,447, 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 October.
Jul
from ₹ 9,920
Aug
from ₹ 8,011
Sep
from ₹ 6,567
Oct
from ₹ 6,519
Nov
from ₹ 9,848
Dec
from ₹ 13,488
Jan
from ₹ 11,274
Feb
from ₹ 19,667
Mar
from ₹ 16,048
Apr
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May
Find prices
Jun
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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₹ 6,519
Cheapest month to flyOctober
Average flight time5 hrs, 33 mins
Most popular airlineSouthwest Airlines
Average flights per week104

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 ₹ 14,226. 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 33 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 July 2025, there are 104 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 October.
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 ₹ 14,226.
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 Tuesday, 7 October 2025.
Yes – the average flight time is 5 hours and 33 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 July, the average temperature is usually around 22°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 Hawaiian Airlines.

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

  • Begin your journey at one of Washington DC's main airports, Ronald Reagan National Airport (DCA) or Washington Dulles International Airport (IAD). Check out your options for booking a flight from Washington DC to San Diego taking off from either of these.

  • The primary gateways to San Diego are San Diego International Airport (SAN) and McClellan-Palomar Airport (CLD).

  • Take a direct Washington DC to San Diego flight and you'll be travelling for an average of 5 hours 30 minutes.

  • The timezone in San Diego is UTC-7, which is three hours behind Washington DC.

  • The busiest route for flights from Washington DC to San Diego is Ronald Reagan National Airport (DCA) to {"defaultCase":"San Diego International Airport","accusativeCase":"San Diego International Airport","nominativeCase":"San Diego International Airport","dativeCase":"San Diego International Airport"} (SAN). Pick from seven services that connect the two airports each week.

  • For a stress-free start to your trip, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your Washington DC to San Diego flight.

  • If you're flying during a popular month like February, get to the airport even earlier. It's wise to arrive up to four hours before international flights and two hours ahead of a domestic departure. You can expect lines to be longer during holiday periods like Thanksgiving, Christmas and New Year.

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

  • Book two months before you want to travel. Research into pricing trends suggests this is the ideal window for finding cheap Washington DC to San Diego flights.

  • Schedule your trip for May. That's the best month for scoring the biggest deals on plane tickets from Washington DC to San Diego. If you have flexibility with your dates, use the 'Whole month' tool to see the lowest price across every month.

  • You don't need to check back in every day to see if prices have dropped when you create a Price Alert. We'll notify you the moment a better deal is available on cheap flights from Washington DC to San Diego.

  • Find a cheap Washington DC to San Diego flight with the help of our filters. Select your ideal times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Flying from Washington DC

Ronald Reagan National Airport (DCA)

  • You can get a direct flight from Washington DC to San Diego leaving from Ronald Reagan National Airport (DCA). Begin your trip at DCA and end it at San Diego International Airport (SAN).

  • Secure your Washington DC to San Diego plane tickets with Alaska Airlines. This carrier is a top pick for direct flights from DCA.

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

  • Want an easy start to your break? Stay near Ronald Reagan National Airport. Whether you're boarding an early flight from Washington DC to San Diego or just don't want to be rushed, these hotels have you covered:

  • 76.44% of flights taking off from Ronald Reagan National Airport touch down at their destination on schedule.

  • DCA is located at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • You can take a direct flight from Washington DC to San Diego departing from Washington Dulles International Airport (IAD). Start your travels at IAD and touch down at San Diego International Airport (SAN).

  • Book a direct Washington DC to San Diego plane ticket with United Airlines. This is one of the main carriers operating this route out of IAD.

  • With public transport, you can travel from central Washington DC to IAD in around 1 hour 10 minutes. The terminal is roughly 40 kilometres away. Driving will take you about 50 minutes.

  • Start your holiday sooner with an extra night away from home. Before catching your flight from Washington DC to San Diego, take it easy in one of these hotels close to Washington Dulles International Airport:

  • Washington Dulles International Airport has an on-time performance rate of 74.39%. This figure gives an insight into how frequently flights that take off from this airport land on time.

  • The address for IAD is 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Direct flights from Washington DC to San Diego are offered by Baltimore/Wash International Thurgood Marshall Airport (BWI). San Diego International Airport (SAN) is where you can expect to touch down.

  • Fly out of BWI with Southwest Airlines. This leading carrier offers direct Washington DC to San Diego plane tickets.

  • From central Washington DC, BWI is around 40 kilometres away. It'll take you roughly 50 minutes to get there by car and 1 hour 30 minutes or so if you use public transport.

  • Make taking an early Washington DC to San Diego flight the easiest part of your journey. Stay at one of these hotels close to Baltimore/Wash International Thurgood Marshall Airport and get to the check-in counter with time to spare:

  • Flights that leave from BWI land at their destination as scheduled 77.13% of the time.

Arriving in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) is approximately 3 kilometres from the centre of San Diego. If you're catching a cab or a ride-share, the drive will take around 10 minutes.

  • Getting to the centre on public transport takes about 20 minutes.

  • If you have a late flight from Washington DC to San Diego, few things beat the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and snoozing not long after at one of these hotels near SAN:

  • Get on the fast track to adventure by picking up a San Diego International Airport rental car. Grab your wheels from Thrifty, Dollar or Budget to explore San Diego and beyond.

  • Get the best deal by booking your ride from San Diego International Airport about two weeks before your travel date.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is around 48 kilometres from the centre of San Diego. Once you've hopped off your flight from Washington DC to San Diego, it'll take you approximately 40 minutes to get to the heart of the city in a ride-share or cab.

  • If you choose to travel on public transport, the journey will take you 2 hours 15 minutes or so.

  • Budget, Hertz and Avis make picking up a McClellan-Palomar Airport rental car quick and easy. These trusted providers are located around or in the terminal and will get you on your way in no time.

  • Usually, the sooner you book, the better the deals and choice of vehicles. Lock in your ride from CLD as soon as you know your dates.

Best time to go to San Diego

  • It's time to choose your trip dates for your flight from Washington DC to San Diego. July is the busiest month to visit San Diego. If you prefer a more relaxed atmosphere, go in May.

  • When booking your Washington DC to San Diego tickets, think about the kind of weather you prefer. August is the warmest month in San Diego, with temperatures ranging from 17ºC to 28ºC.

  • February sees average temperatures of between 7ºC and 23ºC. Look for cheap flights from Washington DC to San Diego around that time if you'd rather travel in cooler conditions.

More about San Diego

Explore more of United States

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

  • If you're interested in discovering another major destination in United States, head for Phoenix, about 483 kilometres east of San Diego. Desert Botanical Garden, Heard Museum and Papago Park are key 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.