Cheap Flights from San Diego to Washington Dulles

Compare San Diego to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from San Diego to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from San Diego to Washington Dulles Airport? If you want to travel next month, return fares start from Rs58,721. Find the lowest prices on one-way and return tickets right here.

Washington D.C..Rs23,320 per passenger.Departing Mon, 31 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Mon, 31 Aug, arriving in Washington Dulles.Price includes taxes and charges.From Rs23,320, select.

Washington D.C..Rs29,720 per passenger.Departing Thu, 17 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Thu, 17 Sep, arriving in Washington Dulles.Price includes taxes and charges.From Rs29,720, select.

Washington D.C..Rs30,466 per passenger.Departing Wed, 11 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Wed, 11 Nov, arriving in Washington Dulles.Price includes taxes and charges.From Rs30,466, select.

Washington D.C..Rs39,974 per passenger.Departing Wed, 28 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Wed, 28 Oct, arriving in Washington Dulles.Price includes taxes and charges.From Rs39,974, select.

Washington D.C..Rs46,517 per passenger.Departing Sat, 12 Sep.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from San Diego International on Sat, 12 Sep, arriving in Washington Dulles.Price includes taxes and charges.From Rs46,517, select.

Washington D.C..Rs47,888 per passenger.Departing Sat, 3 Oct.One-way flight with United.Outbound direct flight with United departs from San Diego International on Sat, 3 Oct, arriving in Washington Dulles.Price includes taxes and charges.From Rs47,888, select.

Washington D.C..Rs47,888 per passenger.Departing Sat, 7 Nov.One-way flight with United.Outbound direct flight with United departs from San Diego International on Sat, 7 Nov, arriving in Washington Dulles.Price includes taxes and charges.From Rs47,888, select.

Washington D.C..Rs48,163 per passenger.Departing Tue, 25 Aug.One-way flight with United.Outbound direct flight with United departs from San Diego International on Tue, 25 Aug, arriving in Washington Dulles.Price includes taxes and charges.From Rs48,163, select.

Washington D.C..Rs55,052 per passenger.Departing Tue, 8 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Tue, 8 Dec, arriving in Washington Dulles.Price includes taxes and charges.From Rs55,052, select.

Washington D.C..Rs56,120 per passenger.Departing Mon, 15 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Mon, 15 Feb, arriving in Washington Dulles.Price includes taxes and charges.From Rs56,120, select.

Washington D.C..Rs58,929 per passenger.Departing Sat, 5 Dec.One-way flight with United.Outbound direct flight with United departs from San Diego International on Sat, 5 Dec, arriving in Washington Dulles.Price includes taxes and charges.From Rs58,929, select.

Washington D.C..Rs58,935 per passenger.Departing Sun, 14 Feb.One-way flight with United.Outbound direct flight with United departs from San Diego International on Sun, 14 Feb, arriving in Washington Dulles.Price includes taxes and charges.From Rs58,935, select.

Washington D.C..Rs58,935 per passenger.Departing Fri, 15 Jan.One-way flight with United.Outbound direct flight with United departs from San Diego International on Fri, 15 Jan, arriving in Washington Dulles.Price includes taxes and charges.From Rs58,935, select.

Washington D.C..Rs58,935 per passenger.Departing Wed, 9 Jun.One-way flight with United.Outbound direct flight with United departs from San Diego International on Wed, 9 Jun, arriving in Washington Dulles.Price includes taxes and charges.From Rs58,935, select.

Washington D.C..Rs58,935 per passenger.Departing Tue, 16 Mar.One-way flight with United.Outbound direct flight with United departs from San Diego International on Tue, 16 Mar, arriving in Washington Dulles.Price includes taxes and charges.From Rs58,935, select.

Washington D.C..Rs58,935 per passenger.Departing Thu, 15 Apr.One-way flight with United.Outbound direct flight with United departs from San Diego International on Thu, 15 Apr, arriving in Washington Dulles.Price includes taxes and charges.From Rs58,935, select.

Find the cheapest month to fly from San Diego to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego to Washington Dulles flights are currently cheapest in August.

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Direct flights from San Diego to Washington Dulles

San Diego to Washington Dulles: Alternative routes

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

San Diego to Washington D.C.: Flight information

The things to know before you go.

Cheapest flight found	Rs23,322
Cheapest month to fly	August
Average flight time	4 hrs, 59 mins
Most popular airline	United
Average flights per week	80

Finding cheap flights from San Diego to Washington Dulles: Frequently asked questions

How much are return flights from San Diego to Washington Dulles?

The best price we found for a return flight from San Diego to Washington Dulles is Rs58,717. 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.

How long does it take to fly from San Diego to Washington Dulles?

4 hours and 59 minutes is the average flight time from San Diego to Washington Dulles.

Which airlines fly direct from San Diego to Washington Dulles?

United, Alaska Airlines and Qatar Airways fly direct from San Diego to Washington Dulles.

How many flights are there a week from San Diego to Washington Dulles?

As of July 2026, there are 80 flights per week flying from San Diego to Washington Dulles.

When is the cheapest time to fly from San Diego to Washington Dulles?

The cheapest month to fly from San Diego to Washington Dulles is usually August.

Which upcoming date is cheapest to fly from San Diego to Washington Dulles Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Washington Dulles Airport on Wednesday, 12 August 2026.

Can I get a direct flight from San Diego to Washington Dulles Airport?

Yes – the average flight time is 4 hours and 59 minutes.

How can I find the best flight deal to Washington Dulles?

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 Dulles 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.

When is the best time to book flights to Washington D.C.?

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.

Travelling from San Diego to Washington Dulles International Airport (IAD): What you need to know

Your journey comes together at San Diego's main airport, San Diego International Airport (SAN). Check out your options for reserving a flight from San Diego to Washington Dulles International Airport (IAD) departing from this base.
4 hours 55 minutes is the average travel time for a direct San Diego to Washington Dulles International Airport flight.
Washington Dulles International Airport is located in Washington DC. The city is in the UTC-5 timezone and is three hours ahead of San Diego.
With 27 direct weekly flights between the two airports, San Diego International Airport (SAN) to Washington Dulles International Airport (IAD) is the most popular route. United Airlines operates the earliest flight at 7:55am. If you prefer to get more out of your day before leaving, the last flight from SAN to IAD is with United Airlines at 10pm.
Get to the airport on time so you don't miss your flight from San Diego to IAD. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.
Hopping on a plane during a peak month like July? High seasons (like Thanksgiving, Christmas and spring break) can add another hour at check-in and security. Be extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

Airports in San Diego

San Diego International Airport (SAN)

San Diego International Airport (SAN) makes it easy to travel directly to your destination. Nonstop flights from San Diego to Washington Dulles International Airport (IAD) depart from this terminal.
United Airlines is a well-known airline that operates direct flights from San Diego to Washington Dulles International Airport jetting out of SAN.
The preferred choice for passengers flying between SAN and IAD is United.
United leads the way as the most punctual carrier on this route, with 87.07% of services arriving as scheduled.
SAN is around 5 kilometres from central San Diego. If you're ride-sharing, driving or catching a taxi from the centre, it'll take 15 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 25 minutes.
Want a hassle-free start to your trip? Stay near San Diego International Airport. Whether you're catching an early flight from San Diego to Washington Dulles International Airport or prefer not to feel hurried, these hotels offer the perfect solution:
Of all flights leaving San Diego International Airport, 74% arrive on time at their destination.
SAN's address is N Harbour Dr.

McClellan-Palomar Airport (CLD)

The distance from San Diego's city centre to CLD is around 48 kilometres. Consider transport options and potential delays when working out the quickest route to the airport.
Get your holiday started early with an extra night away from home. Before catching your San Diego to IAD flight, kick back in one of these hotels near McClellan-Palomar Airport:
Flights from McClellan-Palomar Airport have a strong track record for punctuality, with 88% of them landing as planned.

About Washington Dulles International Airport (IAD)

Have a late flight from San Diego to Washington Dulles International Airport? Don't let it leave you bleary-eyed. Stay at one of these hotels near IAD and fast-forward to bedtime:
Booking your vehicle around one week ahead of your San Diego to Washington Dulles International Airport flight can help you score a better rate.
The address for IAD is 1 Saarinen Circle.

Getting from Washington Dulles International Airport (IAD) to central Washington DC

From Washington Dulles International Airport, central Washington DC is around 40 kilometres away. It takes about 45 minutes to get to the city centre by car.
It typically takes 1 hour 10 minutes if you're travelling on public transport.

How to find the cheapest flights from San Diego to Washington Dulles International Airport (IAD)

The cheapest price we've found for a one-way ticket from San Diego to Washington Dulles International Airport is Rs23,320. For a return flight on this route, the best price is Rs58,717. Depending on when you book and the availability, these fares can change.
Booking early is often the key to finding a cheap flight from San Diego to IAD. Fares tend to rise as seats fill up, so the closer you get to departure, the more expensive your ticket may be.
If you have some flexibility with your trip dates, use the 'Whole month' search tool. It'll show you the lowest price across every month when searching for your San Diego to Washington Dulles International Airport ticket.
You don't need to check back in every day to find out if prices have dropped when you create a Price Alert. We'll let you know when a better deal is available on plane tickets from San Diego to IAD.
Tailor your trip using filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from San Diego to Washington Dulles International Airport.

The best time to fly from San Diego to Washington Dulles International Airport (IAD)

It's time to decide when to book your flight from San Diego to Washington Dulles International Airport (IAD). June is the busiest month to visit Washington DC. If a slower pace sounds more appealing, head there in February.
The warmest month in Washington DC is July, with temperatures ranging between 19ºC and 33ºC. Book your San Diego to IAD plane ticket then if you enjoy this type of weather.
If you like travelling in cooler conditions, search for a cheap ticket from San Diego to Washington Dulles International Airport in January when temperatures are between -6ºC and 10ºC.

More about Washington DC

Start your Washington DC trip right by choosing the ideal place to stay. After booking your flight from San Diego to Washington Dulles International Airport, check out our range of hotels including:
There are plenty of exciting things to do in Washington DC when you're ready to see the sights. Kick off your exploring at Lincoln Memorial followed by The White House and Smithsonian National Museum of Natural History.

Explore more of the United States

Philadelphia is just one of the many cities in the United States waiting to be explored once you've seen the sights of Washington DC. Around 225 kilometres away to the northeast, its top attractions include Independence Hall, Liberty Bell and Philadelphia Museum of Art.
If you're eager to discover another side of the United States, head for Virginia Beach, roughly 274 kilometres southeast of Washington DC. Virginia Beach Boardwalk, Resort Beach and Neptune's Park are among its highlights.