Menu

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

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Washington Dulles Intl to San Diego are usually found in August or September, booked 39 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
$264 - $501
SAN
Temperature
66.2 - 80.6 °F
SAN
Rainfall
0 - 2.8 inches

Popular in

December

High demand for flights, 15% potential price rise

Cheapest in

August

Best time to find cheap flights, 38% potential price drop

Round-trip from

$264

From Washington Dulles Intl to San Diego

One-way from

$118

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 42% by booking at least 35 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 $381.

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 December. For low rates, August can be a great choice for travel to San Diego. Flights to San Diego from Washington Dulles Intl in August are about $326 on average during August, but can be found for as low as $138.

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 November, December 2020

The best prices found for IAD to SAN flights for November, December
5 Dec - 12 Dec
$177pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
IAD
Washington Dulles Intl
5 Dec - 12 Dec
$180pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
IAD
Washington Dulles Intl
5 Dec - 9 Dec
$181pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
 
1 STOP
IAD
Washington Dulles Intl

Washington Dulles Intl to San Diego 2021 flight deals

Cheap flights to San Diego from Washington Dulles Intl found for next year
5 Dec - 12 Dec
$177pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
IAD
Washington Dulles Intl
5 Dec - 12 Dec
$180pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
IAD
Washington Dulles Intl
5 Dec - 9 Dec
$181pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
 
1 STOP
IAD
Washington Dulles Intl

Non-stop flights to San Diego from Washington Dulles Intl

Save time with Washington Dulles Intl to San Diego direct flight deals
5 Dec - 12 Dec
$177pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
IAD
Washington Dulles Intl
8 Dec - 18 Jan
$217pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
IAD
Washington Dulles Intl
5 Dec - 13 Dec
$247pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
Non-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
3 Dec - 8 Dec
$244pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
Non-Stop
IAD
Washington Dulles Intl
3 Dec - 9 Dec
$249pp
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
SAN
San Diego
SAN
San Diego
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
4 Dec - 12 Dec
$251pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
United Airlines
 
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
9:13 am - 5:55 am
Frontier
2 Stops
23h 42m
IAD - SAN
Frontier
$118
Kiwi.com
1:50 pm - 5:58 am
Multiple Airlines
2 Stops
19h 08m
IAD - SAN
Multiple Airlines
$143
Gotogate
2:00 am - 10:59 am
Alaska Airlines
2 Stops
11h 59m
IAD - SAN
Alaska Airlines

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.

What safety measures are being taken by airlines flying from Washington Dulles Intl to San Diego to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines and Delta are some airlines that have done so. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Washington Dulles Intl to San Diego. Policies will vary by airline.

Which airlines flying from Washington Dulles Intl to San Diego have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Washington Dulles Intl to San Diego that may be offering flexible cancellation policies are United Airlines, Delta, and Frontier. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Washington Dulles Intl to San Diego for under $200 on Cheapflights?

Yes, there are multiple flights from Washington Dulles Intl to San Diego for under $200. The cheapest flight booked recently is on Multiple Airlines for just $168, but on average you can expect to pay $203.

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

Cheapflights has at least 20 direct flights from Washington Dulles Intl to San Diego under $200. A good price for a nonstop flight from Washington Dulles Intl to San Diego is less than $302.

Are there last-minute flights available from Washington Dulles Intl to San Diego for under $300?

There are currently 20+ open flights from Washington Dulles Intl to San Diego within the next 7 days for less than $300.

What days are nonstop flights available from Washington Dulles Intl to San Diego?

Nonstop flights are available for this route on the following days: Sunday, Tuesday, Wednesday, Thursday, Saturday.

How many flights depart from Washington Dulles Intl to San Diego on average per day?

On average 8 flights depart from Washington Dulles Intl to San Diego per day.
Morning (6am - Noon) - 50% of flight departures
Afternoon (Noon - 6pm) - 50% of flight departures

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 5h 36m. Fly via United Airlines, Delta, or American Airlines to get the fastest option. The distance from Washington Dulles Intl to San Diego is about 2261 mi. 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 United Airlines is currently your cheapest option to San Diego, with prices starting at $177. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $183 and $186, respectively. These flights start at 58% 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 $89 on United Airlines. Other airlines that offer cheap prices include American Airlines from $92 and Frontier from $115 one-way.

Destination information for San Diego

Things to know before you go. Useful info for your trip from Washington Dulles Intl to San Diego
Flight duration
5h 09m
Average temperature for November in San Diego
71.6 °F
Avg rainfall for November in San Diego
2.0 ″

Airports servicing Washington

Airports servicing San Diego

Top 6 airlines from Washington Dulles Intl to San Diego

The chart below displays the airlines Cheapflights users traveling from Washington Dulles Intl to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$105 $232 No cancel fee 62%
Delta
$102 $346 No cancel fee N/A
American Airlines
$156 $386 No cancel fee 71%
Alaska Airlines
$141 $389 No cancel fee 75%
Spirit Airlines
$244 $401 No cancel fee 65%
United Airlines
$357 $513 No cancel fee 69%

Hourly flight availability from Washington Dulles Intl to San Diego

Afternoon Noon to 6 PM 84% of IAD to SAN departures
Morning 6 AM to noon 15% of IAD to SAN departures
Early morning Midnight to 6 AM 1% 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
6 daily flights
Monday
6 daily flights
Tuesday
3 daily flights
Wednesday
2 daily flights
Thursday
1 daily flight
Friday
7 daily flights
Saturday
6 daily flights
Home North America USA California San Diego Cheap flights from Washington Dulles Intl to San Diego