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Cheap Flights from Washington D.C. to San Diego International

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Flight deals from Washington D.C. to San Diego International

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to San Diego International? Find the lowest prices on one-way and return tickets right here.
San Diego.163 € per passenger.Departing Thu, 8 May, returning Tue, 13 May.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Thu, 8 May, arriving in San Diego International.Inbound indirect flight with Spirit Airlines, departs from San Diego International on Tue, 13 May, arriving in Baltimore Washington International.Price includes taxes and charges.From 163 €, select.
San Diego.169 € per passenger.Departing Sat, 26 Apr, returning Tue, 29 Apr.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Sat, 26 Apr, arriving in San Diego International.Inbound indirect flight with Spirit Airlines, departs from San Diego International on Tue, 29 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From 169 €, select.
San Diego.174 € per passenger.Departing Tue, 3 Jun, returning Fri, 6 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Tue, 3 Jun, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Fri, 6 Jun, arriving in Washington Ronald Reagan.Price includes taxes and charges.From 174 €, select.
San Diego.174 € per passenger.Departing Wed, 28 May, returning Mon, 2 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Wed, 28 May, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Mon, 2 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From 174 €, select.
San Diego.192 € per passenger.Departing Fri, 25 Apr, returning Wed, 7 May.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Fri, 25 Apr, arriving in San Diego International.Inbound indirect flight with Spirit Airlines, departs from San Diego International on Wed, 7 May, arriving in Baltimore Washington International.Price includes taxes and charges.From 192 €, select.
San Diego.213 € per passenger.Departing Sat, 3 May, returning Sat, 10 May.Return flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Washington Dulles on Sat, 3 May, arriving in San Diego International.Inbound direct flight with Hawaiian Airlines departs from San Diego International on Sat, 10 May, arriving in Washington Dulles.Price includes taxes and charges.From 213 €, select.
San Diego.216 € per passenger.Departing Wed, 4 Jun, returning Wed, 11 Jun.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Wed, 4 Jun, arriving in San Diego International.Inbound direct flight with United departs from San Diego International on Wed, 11 Jun, arriving in Washington Dulles.Price includes taxes and charges.From 216 €, select.
San Diego.216 € per passenger.Departing Sat, 26 Apr, returning Tue, 29 Apr.Return flight with United.Outbound direct flight with United departs from Washington Dulles on Sat, 26 Apr, arriving in San Diego International.Inbound direct flight with United departs from San Diego International on Tue, 29 Apr, arriving in Washington Dulles.Price includes taxes and charges.From 216 €, select.

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

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 International flights are currently cheapest in May.
Apr
from 169 €
May
from 163 €
Jun
from 174 €
Jul
from 243 €
Aug
from 225 €
Sep
from 260 €
Oct
from 253 €
Nov
from 307 €
Dec
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Jan
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Feb
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Mar
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Direct flights from Washington D.C. to San Diego International

Washington D.C. to San Diego International: Alternative routes

Compare routes from Washington D.C. to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

Washington D.C. to San Diego: Flight information

The things to know before you go.
Cheapest flight found163 €
Cheapest month to flyMay
Average flight time5 hrs, 32 mins
Most popular airlineSouthwest Airlines
Average flights per week186

Finding cheap flights from Washington D.C. to San Diego International: Frequently asked questions

The best price we found for a return flight from Washington D.C. to San Diego International is 163 €. 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 International.
Southwest Airlines, United and Hawaiian Airlines fly direct from Washington D.C. to San Diego International.
As of April 2025, there are 91 flights per week flying from Washington D.C. to San Diego International.
The cheapest month to fly from Washington D.C. to San Diego International is usually April 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to San Diego International Airport on Thursday, 8 May 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 International 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.

Flying from Washington DC to San Diego International Airport (SAN): what you need to know

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

  • San Diego is 3 hours behind Washington DC. San Diego International Airport is located in San Diego, which operates on the UTC-7 timezone.

  • With 36 direct flights a week between the two airports, Ronald Reagan National Airport (DCA) to San Diego International Airport (SAN) is the busiest route. Southwest Airlines operates the earliest flight at 06:15. If you'd like to get more out of your day before leaving, the latest flight from DCA to SAN is with Southwest Airlines at 21:00.

  • Arrive at the airport on time so you don't miss your flight from Washington DC to SAN. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the mad dash to your gate.

  • Popular months like July or holiday times such as Thanksgiving and Christmas will mean longer lines at check-in and security. If you're travelling then, play it safe and get to the airport even earlier. Arriving two hours before domestic flights and up four hours ahead of international flights is a wise move.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • The distance from central Washington DC to DCA is about 8 kilometres. Use Google Maps for the best way to get there, whether you want to drive or use public transport.

  • Want a hassle-free start to your trip? Stay near Ronald Reagan National Airport. Whether you have an early flight from Washington DC to San Diego International Airport or want to avoid feeling rushed, these hotels are ideal:

Washington Dulles International Airport (IAD)

  • Washington Dulles International Airport (IAD) offers nonstop flights from Washington DC to San Diego International Airport (SAN).

  • Board your direct flight from Washington DC to SAN with United. This is one of the main airlines that operates this route out of IAD.

  • Using public transport, you can travel from central Washington DC to IAD in about 3 hours and 26 minutes. The airport is roughly 56 kilometres away, and making the journey by car will take approximately 51 minutes.

  • Want to enjoy an extra night away before catching your flight from Washington DC to SAN? Relax in a hotel near Washington Dulles International Airport before your trip officially begins. Stay at one of these accommodation options:

About San Diego International Airport (SAN)

Getting from San Diego International Airport (SAN) to central San Diego

  • From San Diego International Airport, San Diego is approximately 5 kilometres away. It takes around 9 minutes to get to the centre driving.

  • If you're using public transport, expect a journey of about 20 minutes.

How to find the cheapest flights from Washington DC to San Diego International Airport (SAN)

  • Book a one-way ticket from Washington DC to San Diego International Airport from 78 € or travel return from just 163 €. Prices are accurate at the time of listing and may change based on availability when you book.

  • We recommend booking as early as possible to secure cheap tickets from Washington DC to SAN. You're more likely to bag a bargain and enjoy a larger selection of flight times and dates.

  • Take advantage of the 'Whole month' search tool and compare the prices of tickets from Washington DC to San Diego International Airport across the month. We've made the lowest fares green, so you can quickly pick a flight your budget will love.

  • Snapping up a cheap ticket from Washington DC to SAN is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when there's a better deal.

  • Tailor your trip with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Washington DC to San Diego International Airport.

The best time to fly from Washington DC to San Diego International Airport (SAN)

  • July is the busiest month for flights from Washington DC to San Diego International Airport. To steer clear of the crowds, head for San Diego in May when it's quieter.

  • Before you book a flight from Washington DC to SAN, think about the kind of weather you enjoy. August is the warmest month in San Diego, with temperatures ranging from 17ºC to 28ºC.

  • If you'd rather travel in cooler conditions, look for a cheap flight from Washington DC to San Diego International Airport in February when temperatures average between 7ºC and 23ºC.

More about San Diego

  • Start your San Diego trip right by choosing the perfect place to stay. Once you've booked your flight from Washington DC to San Diego International Airport, browse our range of accommodation options including:

  • All great holidays should include some sightseeing. San Diego Zoo, USS Midway Museum and SeaWorld San Diego are essential stops on your San Diego itinerary.

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 International Airport to track down your perfect ride. Check out our car rentals in San Diego and compare offers in one place. Plus you'll find all the info you need to know, from the most popular car type to the average daily price.

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.