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Cheap flights from San Diego to Washington D.C.

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 return flight from San Diego to Washington D.C.? Find the lowest prices on one-way and return tickets right here.
Washington D.C..P8,313 per passenger.Departing Wed, 22 Apr, returning Wed, 29 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Wed, 22 Apr, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Wed, 29 Apr, arriving in San Diego International.Price includes taxes and charges.From P8,313, select.
Washington D.C..P8,329 per passenger.Departing Sat, 9 May, returning Tue, 12 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Sat, 9 May, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Tue, 12 May, arriving in San Diego International.Price includes taxes and charges.From P8,329, select.
Washington D.C..P8,329 per passenger.Departing Tue, 28 Apr, returning Sat, 2 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Tue, 28 Apr, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Sat, 2 May, arriving in San Diego International.Price includes taxes and charges.From P8,329, select.
Washington D.C..P8,329 per passenger.Departing Wed, 11 Mar, returning Sat, 14 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Wed, 11 Mar, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Sat, 14 Mar, arriving in San Diego International.Price includes taxes and charges.From P8,329, select.
Washington D.C..P10,065 per passenger.Departing Fri, 27 Feb, returning Wed, 4 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Fri, 27 Feb, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Wed, 4 Mar, arriving in San Diego International.Price includes taxes and charges.From P10,065, select.
Washington D.C..P11,108 per passenger.Departing Tue, 31 Mar, returning Fri, 3 Apr.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Diego International on Tue, 31 Mar, arriving in Washington Ronald Reagan.Inbound indirect flight with Southwest Airlines, departs from Washington Ronald Reagan on Fri, 3 Apr, arriving in San Diego International.Price includes taxes and charges.From P11,108, select.
Washington D.C..P11,514 per passenger.Departing Fri, 27 Feb, returning Sat, 28 Feb.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Fri, 27 Feb, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Sat, 28 Feb, arriving in San Diego International.Price includes taxes and charges.From P11,514, select.
Washington D.C..P13,097 per passenger.Departing Tue, 10 Mar, returning Sat, 14 Mar.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from San Diego International on Tue, 10 Mar, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departs from Baltimore Washington International on Sat, 14 Mar, arriving in San Diego International.Price includes taxes and charges.From P13,097, 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 April.
Feb
from P11,514
Mar
from P8,329
Apr
from P8,313
May
from P8,329
Jun
from P14,763
Jul
from P14,834
Aug
from P14,833
Sep
from P14,834
Oct
from P14,834
Nov
Find prices
Dec
Find prices
Jan
Find prices

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.

Washington Ronald Reagan

5km from central Washington D.C.
ClosestCheapest
from P8,313
Search flights

Camp Springs Andrews AFB

17km from central Washington D.C.
Search flights

Washington Dulles

37km from central Washington D.C.
from P10,764
Search flights

Baltimore Washington International

44km from central Washington D.C.
from P12,954
Search flights

Manassas

47km from central Washington D.C.
Search flights

San Diego to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundP8,313
Cheapest month to flyApril
Average flight time5 hrs, 5 mins
Most popular airlineSouthwest Airlines
Average flights per week468

Check out these Washington D.C. hotels

Ready to plan your stay? Other travellers rate these Washington D.C. hotels for cleanliness, service and location.
Hotel AKA Washington Circle
1.51 km from city centre
P12,707
Per night
ROOST White House
0.18 km from city centre
P12,786
Per night
Placemakr Buzzard Point
4.36 km from city centre
P7,892
Per night
Hotel AKA Washington Circle
1.51 km from city centre
P12,707
Per night
ROOST White House
0.18 km from city centre
P12,786
Per night
Placemakr Buzzard Point
4.36 km from city centre
P7,892
Per night
Explore top-rated hotels

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 return flight from San Diego to Washington D.C. is P8,313. 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, United and Alaska Airlines fly direct from San Diego to Washington D.C..
As of February 2026, there are 468 flights per week flying from San Diego to Washington D.C..
The cheapest month to fly from San Diego to Washington D.C. is usually April.
If you're flying from San Diego, the cheapest airport near Washington D.C. is Washington Ronald Reagan – which is 5.5 km away from the centre of Washington D.C.. We've found flights into this airport from P8,313.
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 Wednesday, 22 April 2026.
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 February, the average temperature is usually around 1°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 Frontier Airlines. And the cheapest airline that flies to Camp Springs Andrews AFB Airport is Southwest Airlines.

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

  • Start your trip planning by checking out the ideal departure point for your flight from San Diego to Washington DC. Explore your options for setting off from San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD), two of the city's main airports.

  • The chief entry points to Washington DC are Ronald Reagan National Airport (DCA) and Washington Dulles International Airport (IAD).

  • Jump on a direct San Diego to Washington DC flight and you'll be flying for an average of 5 hours.

  • The timezone in Washington DC is UTC-4, which is three hours ahead of San Diego.

  • The busiest route for flights from San Diego to Washington DC is from San Diego International Airport (SAN) to Washington Dulles International Airport (IAD). There are 28 weekly services between these two airports. If you'd like to get going as soon as possible, the earliest flight from SAN to IAD is the 07:55 United Airlines option. If you prefer travelling later, the final scheduled service is at 22:00 with United Airlines.

  • To ensure you catch your San Diego to Washington DC flight, leave plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general rule to follow.

  • Be prepared for bigger queues in popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you plenty of time for security and boarding.

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 P4,157. For a return flight on this route, the best price is P8,313. 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)

  • Leave from San Diego International Airport (SAN) on a direct flight from San Diego to Washington DC. You can touch down at these Washington DC airports from SAN:

    • Ronald Reagan National Airport (DCA)

    • Washington Dulles International Airport (IAD)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • You'll find a variety of airlines offering direct San Diego to Washington DC plane tickets with departures from SAN, including:

  • Travelling from central San Diego to SAN takes about 20 minutes by public transport. If you ride-share, drive or get a cab, you'll cover the 3 kilometres in 10 minutes or so, depending on traffic conditions.

  • After an easy start to your holiday? Stay near San Diego International Airport. Whether you have an early flight from San Diego to Washington DC or want to avoid feeling rushed, these hotels have you covered:

  • Of the departures from San Diego International Airport, 71.38% land on schedule at their destination.

  • You'll find SAN 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 5 kilometers. It'll take you about 15 minutes to reach the centre driving.

  • If you're using public transport, expect a journey time of about 45 minutes.

  • If you're arriving on a late flight from San Diego to Washington DC, nothing beats the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and snoozing not long after at one of these accommodation options near DCA:

  • Get on the fast track to adventure by picking up a Ronald Reagan National Airport rental car. Grab a set of wheels from Thrifty, Sixt or Dollar to explore Washington DC and beyond.

  • For the best deal, book your ride from Ronald Reagan National Airport around four weeks in advance of your San Diego to Washington DC flight.

  • DCA is situated at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • The centre of Washington DC is around 40 kilometres from Washington Dulles International Airport (IAD). Once your flight from San Diego to Washington DC has touched down and you've made your way through the terminal, expect a drive of around 50 minutes.

  • Travelling by public transport will take around 1 hour 10 minutes.

  • There are some comfortable places to lay your head close to IAD. Unwind after your San Diego to Washington DC flight at any of these perfectly located options:

  • No need to worry about public transport schedules or waiting forever for a cab. Grab a Washington Dulles International Airport rental car and take your journey in whatever direction you like. Compare rates and availability from Dollar, Thrifty and Sixt.

  • Get the lowest price by booking your ride from IAD one week in advance. You can also expect to have a wider range of vehicles.

  • The address for Washington Dulles International Airport is 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Make your way to the city centre after your flight from San Diego to Washington DC has touched down. Central Washington DC is around 40 kilometres from Baltimore/Wash International Thurgood Marshall Airport (BWI) and takes roughly 50 minutes to reach by cab or ride-share.

  • If you travel by public transport, the journey will take you about 1 hour 30 minutes.

  • If you don't want to make the journey into the centre, find a hotel near BWI. Make yourself comfy at one of these options after your San Diego to Washington DC flight:

  • Begin your journey without stressing over how to arrive at your destination with a Baltimore/Wash International Thurgood Marshall Airport rental car. Find your perfect set of wheels with trusted names here like Dollar, Thrifty and Budget.

  • About two weeks ahead of your flight from San Diego to Washington DC is a good time to book your vehicle from BWI. You're likely to snag a better deal or score some early bird savings.

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.

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.