RM964 Cheap Flights from Washington (IAD) to San Diego (SAN)

View RM964 flight on Sun, 26 Oct 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to San Diego Intl. Airport (SAN)

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Cheap Flights from Washington to San Diego (IAD-SAN)

Prices were available within the past 7 days and start at RM964 for one-way flights and RM2,264 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 17 Oct - Thu, 23 Oct
IAD
Washington
SAN
San Diego
RM2,264 Return, found 5 days ago
RM2,264
Return
found 5 days ago
Select Delta flight, departing Fri, 17 Oct from Washington to San Diego, returning Thu, 23 Oct, priced at RM2,264 found 5 days ago
American Airlines
Fri, 17 Oct - Thu, 23 Oct
IAD
Washington
SAN
San Diego
RM2,517 Return, found 5 days ago
RM2,517
Return
found 5 days ago
Select American Airlines flight, departing Fri, 17 Oct from Washington to San Diego, returning Thu, 23 Oct, priced at RM2,517 found 5 days ago
United
Fri, 17 Oct - Thu, 23 Oct
IAD
Washington
SAN
San Diego
RM2,518 Return, found 5 days ago
RM2,518
Return
found 5 days ago
Select United flight, departing Fri, 17 Oct from Washington to San Diego, returning Thu, 23 Oct, priced at RM2,518 found 5 days ago
Delta
Fri, 17 Oct - Thu, 23 Oct
IAD
Washington
SAN
San Diego
RM2,519 Return, found 5 days ago
RM2,519
Return
found 5 days ago
Select Delta flight, departing Fri, 17 Oct from Washington to San Diego, returning Thu, 23 Oct, priced at RM2,519 found 5 days ago
United
Sat, 18 Oct - Sun, 26 Oct
IAD
Washington
SAN
San Diego
RM2,540 Return, found 5 days ago
RM2,540
Return
found 5 days ago
Select United flight, departing Sat, 18 Oct from Washington to San Diego, returning Sun, 26 Oct, priced at RM2,540 found 5 days ago
Delta
Fri, 17 Oct - Thu, 23 Oct
IAD
Washington
SAN
San Diego
RM2,541 Return, found 5 days ago
RM2,541
Return
found 5 days ago
Select Delta flight, departing Fri, 17 Oct from Washington to San Diego, returning Thu, 23 Oct, priced at RM2,541 found 5 days ago
United
Fri, 17 Oct - Thu, 23 Oct
IAD
Washington
SAN
San Diego
RM2,559 Return, found 5 days ago
RM2,559
Return
found 5 days ago
Select United flight, departing Fri, 17 Oct from Washington to San Diego, returning Thu, 23 Oct, priced at RM2,559 found 5 days ago
Delta
Fri, 17 Oct - Thu, 23 Oct
IAD
Washington
SAN
San Diego
RM2,560 Return, found 5 days ago
RM2,560
Return
found 5 days ago
Select Delta flight, departing Fri, 17 Oct from Washington to San Diego, returning Thu, 23 Oct, priced at RM2,560 found 5 days ago
United
Fri, 17 Oct - Thu, 23 Oct
IAD
Washington
SAN
San Diego
RM2,604 Return, found 5 days ago
RM2,604
Return
found 5 days ago
Select United flight, departing Fri, 17 Oct from Washington to San Diego, returning Thu, 23 Oct, priced at RM2,604 found 5 days ago
Delta
Fri, 17 Oct - Thu, 23 Oct
IAD
Washington
SAN
San Diego
RM2,605 Return, found 5 days ago
RM2,605
Return
found 5 days ago
Select Delta flight, departing Fri, 17 Oct from Washington to San Diego, returning Thu, 23 Oct, priced at RM2,605 found 5 days ago

Find the cheapest month to fly from Washington (IAD) to San Diego (SAN)

September is typically the cheapest month to fly

From RM 731 - RM 997 per traveller.
Washington to San Diego route information
Origin airport
Washington Dulles Intl.
Destination airport
San Diego Intl.
Return price
RM2,264
Distance
3598 km
Average flight time
3 hours 8 mins

Perfect flights from Washington to San Diego

Your Journey from Washington to San Diego

Start your unforgettable journey with Expedia. Our broad selection of flights from Washington to San Diego caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, United. Our selection of flights from Washington Dulles Intl. to San Diego Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Washington to San Diego Flights

Experience the joy of finding cheap flights from Washington Dulles Intl. to San Diego Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM964 and roundtrip prices from RM2,264*.
 

Pre-Flight Essentials

Ensure a smooth journey from Washington to San Diego with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant San Diego

Picture yourself stepping off the plane in San Diego and immersing yourself in the unique atmosphere of San Diego. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Washington to San Diego Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Washington to San Diego.
 

Beyond the Flight – Exploring San Diego

With Expedia, your adventure extends beyond the flight. Explore San Diego at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Washington to San Diego with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Washington to San Diego with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Dulles Intl. Airport to San Diego Airport?
The lowest price advertised for a round-trip journey from Dulles Intl. Airport to SAN is RM2,264. But you better get a move on. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to San Diego Intl. Airport (SAN)?
We understand that circumstances change unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from IAD to San Diego Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dulles Intl. Airport to San Diego Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from IAD to San Diego Airport?
The flying distance between Washington Dulles Intl. Airport (IAD) (IAD) and San Diego Airport (SAN) is 3,600 kilometres. Listen to some music or finish that novel and the trip will fly by.
Which airlines fly direct from IAD to SAN?
A favourite with many frequent flyers, United Airlines (UA) offers 91 flights every month from Washington Dulles Intl. Airport (IAD) to SAN. Pick the one that suits your travel plans and book your fare today.
Are Dulles Intl. Airport to San Diego Intl. Airport (SAN) flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally score a bargain, with some of the cheapest fares from Dulles Intl. Airport to San Diego Intl. Airport (SAN) appearing a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines publish prices that far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.