Skyscanner

Cheap flights from San Diego to Washington, D.C.

Travelers and cabin class

Compare San Diego to Washington, D.C. flight deals

Find the cheapest month or even day of the year to fly to Washington, D.C.

Book the best Washington, D.C. fare with no extra fees

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

Looking for a cheap last-minute deal or the best round-trip flight from San Diego to Washington, D.C.? Find the lowest prices on one-way and round-trip tickets right here.
Washington, D.C..C$142 per passenger.Departing Sat, May 31, returning Wed, Jun 4.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from San Diego International on Sat, May 31, arriving in Baltimore Washington International.Inbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Wed, Jun 4, arriving in San Diego International.Price includes taxes and charges.From C$142, select.
Washington, D.C..C$203 per passenger.Departing Mon, Jun 2, returning Mon, Jun 9.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from San Diego International on Mon, Jun 2, arriving in Baltimore Washington International.Inbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Mon, Jun 9, arriving in San Diego International.Price includes taxes and charges.From C$203, select.
Washington, D.C..C$241 per passenger.Departing Sat, May 24, returning Sat, May 31.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from San Diego International on Sat, May 24, arriving in Baltimore Washington International.Inbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Sat, May 31, arriving in San Diego International.Price includes taxes and charges.From C$241, select.
Washington, D.C..C$247 per passenger.Departing Wed, Jul 9, returning Mon, Jul 14.Round-trip flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departing from San Diego International on Wed, Jul 9, arriving in Baltimore Washington International.Inbound indirect flight with Spirit Airlines, departing from Baltimore Washington International on Mon, Jul 14, arriving in San Diego International.Price includes taxes and charges.From C$247, select.
Washington, D.C..C$299 per passenger.Departing Sat, Sep 13, returning Tue, Sep 16.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from San Diego International on Sat, Sep 13, arriving in Washington Ronald Reagan.Inbound indirect flight with Southwest Airlines, departing from Washington Ronald Reagan on Tue, Sep 16, arriving in San Diego International.Price includes taxes and charges.From C$299, select.
Washington, D.C..C$305 per passenger.Departing Thu, Nov 13, returning Tue, Nov 18.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from San Diego International on Thu, Nov 13, arriving in Washington Ronald Reagan.Inbound indirect flight with Southwest Airlines, departing from Washington Ronald Reagan on Tue, Nov 18, arriving in San Diego International.Price includes taxes and charges.From C$305, select.
Washington, D.C..C$308 per passenger.Departing Tue, Oct 21, returning Tue, Oct 28.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from San Diego International on Tue, Oct 21, arriving in Washington Ronald Reagan.Inbound indirect flight with Southwest Airlines, departing from Washington Ronald Reagan on Tue, Oct 28, arriving in San Diego International.Price includes taxes and charges.From C$308, select.
Washington, D.C..C$327 per passenger.Departing Tue, Jun 3, returning Tue, Jun 10.Round-trip flight with United.Outbound direct flight with United departing from San Diego International on Tue, Jun 3, arriving in Washington Dulles.Inbound direct flight with United departing from Washington Dulles on Tue, Jun 10, arriving in San Diego International.Price includes taxes and charges.From C$327, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego to Washington, D.C. flights are currently cheapest in June.
May
from C$241
Jun
from C$203
Jul
from C$247
Aug
from C$376
Sep
from C$299
Oct
from C$308
Nov
from C$305
Dec
from C$441
Jan
from C$605
Feb
Find prices
Mar
Find prices
Apr
from C$1,933

Direct flights from San Diego to Washington, D.C.

Alternative San Diego to Washington, D.C. routes

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

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

The things to know before you go.
Cheapest flight foundC$142
Cheapest month to flyMay
Average flight time5 hrs, 4 mins
Most popular airlineSouthwest Airlines
Average flights per week107

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

There are 5 airports in Washington, D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a round-trip flight from San Diego to Washington, D.C. is C$142. 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 4 minutes is the average flight time from San Diego to Washington, D.C..
Southwest Airlines, Hawaiian Airlines and United fly direct from San Diego to Washington, D.C..
There are 110 flights per week flying from San Diego to Washington, D.C., as of May 2025.
The cheapest month to fly from San Diego to Washington, D.C. is usually May 2025.
If you're flying from San Diego, the cheapest airport near Washington, D.C. is Baltimore Washington International – which is 43.6 km away from the center of Washington, D.C.. We've found flights to this airport from C$142.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Washington, D.C. on Saturday, May 31, 2025.
Yes – the average flight time is 5 hours and 4 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 Washington, D.C. 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 Washington, D.C. 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. July is typically the warmest month in Washington, D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.
The cheapest airline that flies to Washington, D.C. is Spirit Airlines, and the cheapest airline that flies to Camp Springs Andrews AFB Airport is United.

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

  • Kick off your journey at one of San Diego's main airports, San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD). Check out your options for booking a flight from San Diego to Washington DC departing from either of these.

  • Ronald Reagan National Airport (DCA) and Washington Dulles International Airport (IAD) are the major arrival points in Washington DC.

  • The average length of a direct San Diego to Washington DC flight is 5 hours.

  • Washington DC is three hours ahead of San Diego and follows the UTC-4 timezone.

  • San Diego International Airport (SAN) to Washington Dulles International Airport (IAD) is the most popular route between these two cities. There are 28 flights a week to choose from. If you have things to do before leaving, the last flight from San Diego to Washington DC is with United Airlines at 21:55. Opt for the first SAN to IAD departure operated by United Airlines at 08:00 to fit in more activities on your first day in Washington DC.

  • For a relaxed travel experience, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to board your San Diego to Washington DC flight.

  • If you're flying during a popular month like July, get to the terminal even earlier. It's wise to arrive up to four hours before international flights and two hours ahead of domestic departures. Check-in and security lines are longer during peak periods like Christmas and New Year.

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

  • The cheapest price we've seen for a one-way ticket from San Diego to Washington DC is C$72. For a return flight on this route, the best price is C$142. Depending on how early you book and the availability, these fares could change.

  • Get cheap San Diego to Washington DC flights by booking two months ahead. Based on our research, that's the ideal time for finding the biggest deals.

  • Plan your trip for May. That's the best month for scoring an incredible deal on plane tickets from San Diego to Washington DC. If you're flexible on when you fly, use the 'Whole month' tool to see the cheapest 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 tell you when there's a better deal on cheap flights from San Diego to Washington DC.

  • Select your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your San Diego to Washington DC flight results by 'Best,' 'Fastest' or 'Cheapest.'

Flying from San Diego

San Diego International Airport (SAN)

  • You can fly directly to Washington DC leaving from San Diego International Airport (SAN). Here are some airports you can jet right into when searching for your flight from San Diego to Washington DC:

    • Ronald Reagan National Airport (DCA)

    • Washington Dulles International Airport (IAD)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Pick from a variety of airlines that offer direct San Diego to Washington DC plane tickets out of SAN. Book your journey with one of these:

  • SAN is about 3 kilometres from central San Diego. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 10 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 20 minutes.

  • Planning to catch an early flight from San Diego to Washington DC? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels near San Diego International Airport:

  • When it comes to San Diego International Airport's on-time performance, data shows 71.38% of flights arrive within the expected time frame.

  • SAN is located at N Harbour Dr.

Arriving in Washington DC

Ronald Reagan National Airport (DCA)

  • The distance from Ronald Reagan National Airport (DCA) to central Washington DC is roughly 6 kilometres. It'll take you about 15 minutes to get to the centre driving.

  • Travelling to the centre on public transport will take you roughly 45 minutes.

  • Reserve a hotel close to DCA if you're coming in on a late flight from San Diego to Washington DC. Pick one of these accommodation options and skip the long transfer:

  • Explore without limits with a Ronald Reagan National Airport rental car. Pick up your wheels from Thrifty, Sixt or Dollar and discover more of Washington DC and beyond.

  • Booking your ride from Ronald Reagan National Airport around four weeks in advance can help you get the best possible rate.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Washington Dulles International Airport (IAD) is around 40 kilometres from the centre of Washington DC. After your flight from San Diego to Washington DC, it takes approximately 50 minutes to reach the heart of the city in a cab or ride-share.

  • The trip will take approximately 1 hour 10 minutes on public transport.

  • You'll find some comfortable places ready to welcome you near IAD. Kick back after your San Diego to Washington DC flight at one of these perfectly located options:

  • No time to waste? The fastest way to get to where you're going is with a Washington Dulles International Airport rental car. Grab your wheels from Dollar, Thrifty or Sixt and set off in the blink of an eye.

  • Avoid paying more than you need to. Booking your ride one week ahead of your arrival at IAD can get you a lower rate.

  • You can find Washington Dulles International Airport at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Step off your flight from San Diego to Washington DC and head straight for your hotel or start sightseeing right away. The centre of Washington DC is around 40 kilometres from Baltimore/Wash International Thurgood Marshall Airport (BWI) and typically takes 50 minutes to reach by car.

  • If you travel by public transport, expect a journey of around 1 hour 30 minutes.

  • Find a hotel close to BWI and go from the plane to your bed in a flash. Whether you're catching a late San Diego to Washington DC flight or just want an easier arrival, these accommodation options put comfort right within reach:

  • Whether you're looking for a zippy compact for solo travel or an SUV to fit a group of friends, you'll find the right Baltimore/Wash International Thurgood Marshall Airport rental car for you. Browse the types of wheels available here from names such as Dollar, Thrifty and Budget.

  • About two weeks before your flight from San Diego to Washington DC is the ideal time to book your vehicle from BWI. You're more likely to find a cheaper rate or even snap up an early bird discount.

Best time to go to Washington DC

  • February is the busiest month for flights from San Diego to Washington DC. To avoid the crowds, visit Washington DC in May.

  • Book a San Diego to Washington DC ticket departing in July if you want to experience the city during its warmest month. You can expect temperatures in Washington DC to range from 19ºC (66ºF) to 33ºC (91ºF).

  • If you like cooler conditions, look for a cheap flight from San Diego to Washington DC in January when temperatures average between -6ºC (21ºF) and 10ºC (50ºF).

More about Washington DC

Explore more of United States

  • You've seen Washington DC, now it's time to discover other parts of United States. Travel around 322 kilometres north-east to New York to check off its top sights. From Statue of Liberty to Central Park and Empire State Building, your itinerary will be busy.

  • If you want to check out another side of United States, head for Philadelphia, roughly 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are among its highlights.

More travel options

Flights from New York Newark to OsakaCheap round-trip tickets from New York Newark to GuadalajaraCheap round-trip tickets from New York Newark to Mactan-Cebu InternationalRound-trip flights from New York Newark to Kingston Norman ManleyFlights from Zvartnots International to RiyadhCheap round-trip tickets from Zvartnots International to Santorini (Thira)Cheap round-trip flights from New York Newark to San Pedro SulaPlane tickets from New York Newark to BahrainRound-trip flights from New York Newark to Baltimore Washington International
Flights from Zvartnots International to SaskatoonFlights from Zvartnots International to Amman Queen AliaPlane tickets from New York Newark to BariFlights from New York Newark to Ponta DelgadaCheap round-trip flights from Annaba to MilanPlane tickets from Zvartnots International to VarnaCheap flights from Zvartnots International to BeijingPlane tickets from Zvartnots International to AntalyaFlights from New York Newark to Reykjavik Keflavik
Cheap flights from Zvartnots International to AleppoCheap round-trip tickets from New York Newark to AllentownRound-trip tickets from Zvartnots International to DushanbeFlights from Zvartnots International to AlmatyRound-trip flights from Zvartnots International to PristinaCheap flights from New York Newark to FaroRound-trip flights from New York Newark to AntalyaCheap round-trip tickets from New York Newark to Fayetteville MunicipalRound-trip flights from Evenes to Stavanger
Round-trip tickets from Evenes to London HeathrowRound-trip tickets from New York Newark to OhridRound-trip tickets from Zvartnots International to Valencia
Book hotels in Adams MorganCheap hotels in Mount Vernon SquareBook hotels in Navy YardCheap hotels in Near Northeast/H Street CorridorCheap hotel deals in Glover ParkHotel deals in Washington, D.C.
Tickets to United StatesRound-trip tickets to District of ColumbiaLast-minute flight dealsCheap flights from San DiegoRound-trip tickets from United StatesCheap tickets from CaliforniaCheap round-trip flights to Washington, D.C.
Washington, D.C. car rentalCheap car rental in United StatesCar rental in Near Northeast/H Street Corridor

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

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