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Cheap flights from Washington Dulles Intl to San Diego (IAD - SAN)

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The best prices from Washington Dulles Intl to San Diego are usually found in January or September, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

How to find the cheapest flight from
Washington Dulles Intl (IAD) to San Diego (SAN)

IAD - SAN
Price
$388 - $501
SAN
Temperature
66.2 - 80.6 °F
SAN
Rainfall
0 - 2.8 inches
Popular in December High demand for flights, 14% potential price rise
Cheapest in January Best time to find cheap flights, 10% potential price drop
Round-trip from RM 388 From Washington Dulles Intl to San Diego
One-way from RM 123 One-way flight from Washington Dulles Intl to San Diego
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Washington Dulles Intl to San Diego?

Saturday flights are generally found to be more expensive for flights from Washington Dulles Intl to San Diego. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

How far in advance should I book a flight from Washington Dulles Intl to San Diego?

Find a great deal and save up to 19% by booking at least 33 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington Dulles Intl to San Diego within the next two weeks, with the cheapest ticket starting at $86.

What is the cheapest month to fly from Washington Dulles Intl to San Diego?

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, May can be a great choice for travel to San Diego. Flights to San Diego from Washington Dulles Intl in May are about $98 on average during May, but can be found for as low as $58.

When is the cheapest time to fly from Washington Dulles Intl to San Diego (IAD - SAN)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 49% on flights from Washington Dulles Intl to San Diego by exploring options for tickets at noon.

Cheap flights from Washington Dulles Intl to San Diego in September, October 2020

The best prices found for IAD to SAN flights for September, October
7 Oct - 15 Oct
$240pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
IAD
Washington Dulles Intl
27 Oct - 11 Nov
$242pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
 
1 STOP
IAD
Washington Dulles Intl
12 Oct - 16 Oct
$243pp
IAD
Washington Dulles Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
 
1 STOP
IAD
Washington Dulles Intl

Washington Dulles Intl to San Diego 2020 flight deals

Cheap flights to San Diego from Washington Dulles Intl found for this year
7 Oct - 15 Oct
$240pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
IAD
Washington Dulles Intl
27 Oct - 17 Nov
$242pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
American Airlines
 
1 STOP
IAD
Washington Dulles Intl
12 Oct - 16 Oct
$243pp
IAD
Washington Dulles Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
 
1 STOP
IAD
Washington Dulles Intl

Last minute flights from Washington Dulles Intl to San Diego

Late deals on round-trip flights to San Diego from Washington Dulles Intl, departing today and this week
24 Sep - 4 Oct
$448pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
23 Sep - 24 Sep
$476pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
27 Sep - 5 Oct
$492pp
IAD
Washington Dulles Intl
Delta
 
1 STOP
SAN
San Diego
SAN
San Diego
Delta
 
1 STOP
IAD
Washington Dulles Intl

One-way flights to San Diego from Washington Dulles Intl

The cheapest one-way flights from Washington Dulles Intl to San Diego
1:00 am - 5:56 am
Delta
1 Stop
7h 56m
IAD - SAN
Delta
$123
Delta
9:10 am - 2:11 pm
Delta
1 Stop
8h 01m
IAD - SAN
Delta
$133
Delta
9:10 am - 2:11 pm
Delta
1 Stop
8h 01m
IAD - SAN
Delta
$179
Delta

Related info for your journey

Useful info, stats and facts about Washington Dulles Intl to San Diego flights.

Flight FAQs

From Washington Dulles Intl to San Diego

Are flight prices decreasing from Washington Dulles Intl to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington Dulles Intl and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Washington Dulles Intl to San Diego for under $300 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl to San Diego for under $300. The cheapest flight booked recently is on Multiple Airlines for just $240, but on average you can expect to pay $277.

Are there nonstop flights from Washington Dulles Intl to San Diego for under $200 on Cheapflights?

There are no nonstop flights from Washington Dulles Intl to San Diego, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Washington Dulles Intl to San Diego for under $500?

There are currently 20+ open flights from Washington Dulles Intl to San Diego within the next 7 days for less than $500.

Does it rain more in Washington Dulles Intl or San Diego?

The rainfall in Washington Dulles Intl is generally less than the rainfall in San Diego. This will continue over the next 14 days.

Is Washington Dulles Intl weather warmer or cooler than San Diego?

With an average temperature of 88 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in San Diego are colder than in Washington Dulles Intl.

How long is the flight from Washington Dulles Intl to San Diego?

There are many flights that can get you from Washington Dulles Intl to San Diego in 7h 02m. Fly via Major Airline or Delta to get the fastest option. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Washington Dulles Intl to San Diego round-trip?

Flying on Delta is currently your cheapest option to San Diego, with prices starting at $246. Another option worth looking into is Major Airline, starting at $322 round trip. These flights start at 43% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Washington Dulles Intl to San Diego one-way?

One-way options have recently been found by users for as low as $123 on Delta.

Destination information for San Diego

Things to know before you go. Useful info for your trip from Washington Dulles Intl to San Diego
Average temperature for September in San Diego
80.6 °F
Avg rainfall for September in San Diego
0.1 ″

Airports servicing Washington

Airports servicing San Diego

Hourly flight availability from Washington Dulles Intl to San Diego

Afternoon Noon to 6 PM 100% of IAD to SAN departures
Early morning Midnight to 6 AM 0% of IAD to SAN departures
Morning 6 AM to noon 0% of IAD to SAN departures
Evening 6 PM to midnight 0% of IAD to SAN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Washington Dulles Intl to San Diego
Sunday
7 daily flights
Monday
7 daily flights
Tuesday
7 daily flights
Wednesday
7 daily flights
Thursday
7 daily flights
Friday
7 daily flights
Saturday
7 daily flights
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