$128 Cheap Flights from Washington (IAD) to San Diego (SAN)

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Flight deals we found

These prices are lower than our typical predictions for similar flights.
75% less than typical
$289
Roundtrip per traveler
Thu, Jul 11 - Wed, Jul 17
UnitedUnited
5h 6m
6:00pm
8:06pm
IAD
Nonstop
SAN
Found 3 hours ago
65% less than typical
$374
Roundtrip per traveler
Tue, May 21 - Fri, May 24
UnitedUnited
5h 38m
5:30pm
8:08pm
IAD
Nonstop
SAN
Found 3 hours ago
65% less than typical
$374
Roundtrip per traveler
Tue, May 21 - Fri, May 24
UnitedUnited
5h 38m
1:10pm
3:48pm
IAD
Nonstop
SAN
Found 6 hours ago
45% less than typical
$287
Roundtrip per traveler
Tue, May 21 - Mon, May 27
UnitedUnited
5h 38m
9:15am
11:53am
IAD
Nonstop
SAN
Found 14 hours ago
45% less than typical
$287
Roundtrip per traveler
Wed, May 22 - Mon, May 27
UnitedUnited
5h 38m
1:10pm
3:48pm
IAD
Nonstop
SAN
Found 14 hours ago
45% less than typical
$274
Roundtrip per traveler
Wed, May 29 - Wed, Jun 5
Alaska AirlinesAlaska Airlines
5h 24m
4:19pm
6:43pm
IAD
Nonstop
SAN
Found 2 hours ago
40% less than typical
$354
Roundtrip per traveler
Thu, May 23 - Mon, May 27
UnitedUnited
5h 13m
12:45pm
2:58pm
IAD
Nonstop
SAN
Found 14 hours ago
40% less than typical
$278
Roundtrip per traveler
Wed, May 22 - Sun, May 26
UnitedUnited
5h 38m
1:10pm
3:48pm
IAD
Nonstop
SAN
Found 14 hours ago
40% less than typical
$289
Roundtrip per traveler
Tue, Aug 6 - Sun, Aug 11
UnitedUnited
5h 6m
6:00pm
8:06pm
IAD
Nonstop
SAN
Found 23 hours ago
40% less than typical
$289
Roundtrip per traveler
Mon, Oct 21 - Fri, Oct 25
UnitedUnited
5h 31m
8:45am
11:16am
IAD
Nonstop
SAN
Found 19 hours ago
35% less than typical
$311
Roundtrip per traveler
Thu, May 23 - Sun, May 26
UnitedUnited
5h 5m
5:50pm
7:55pm
IAD
Nonstop
SAN
Found 14 hours ago
40% less than typical
$289
Roundtrip per traveler
Tue, Aug 13 - Sun, Aug 18
UnitedUnited
5h 6m
6:00pm
8:06pm
IAD
Nonstop
SAN
Found 23 hours ago
40% less than typical
$289
Roundtrip per traveler
Sat, Jul 6 - Sat, Jul 27
UnitedUnited
5h 6m
6:00pm
8:06pm
IAD
Nonstop
SAN
Found 15 hours ago
40% less than typical
$289
Roundtrip per traveler
Mon, Aug 19 - Fri, Aug 23
UnitedUnited
5h 31m
8:30am
11:01am
IAD
Nonstop
SAN
Found 22 hours ago
40% less than typical
$289
Roundtrip per traveler
Mon, Aug 19 - Fri, Aug 23
Alaska AirlinesAlaska Airlines
5h 18m
4:16pm
6:34pm
IAD
Nonstop
SAN
Found 22 hours ago

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

Prices were available within the past 7 days and start at $128 for one-way flights and $250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bargain Flight
Alaska Airlines
Alaska Airlines
United
Alaska Airlines
Bargain Flight
Bargain Flight
Bargain Flight
American Airlines
Alaska Airlines
Flights from Washington (IAD) to San Diego (SAN)
Origin airport
Washington Dulles Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Sun Country Airlines, United
Roundtrip price
$250
Distance
2249 mi
Average flight time
2 hours 32 mins

Washington to San Diego Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Washington to San Diego offer the perfect respite. Not only does exploring San Diego provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Washington to San Diego may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from IAD to SAN today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of San Diego are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to San Diego more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to San Diego is $128 now!

Frequently asked questions

How much is a one-way flight from Dulles Intl. Airport to San Diego Intl. Airport (SAN)?
Get set to grab a bargain, because Washington flights to San Diego start from just $129. This is based on the cheapest price found on Expedia for this journey with a departure date during the next three months. This airfare is for an United flight, leaving Dulles Intl. Airport on June 11 2024 and landing at San Diego Intl. Airport (SAN). This price was updated on April 30 2024 and has not changed since.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to San Diego Airport?
United Airlines has a direct flight departing Dulles Intl. Airport at 8:30AM and arriving at San Diego Airport at 10:37AM — a travel time of 5 hours and 7 minutes. Lock in the seat that’s perfect for you, pack a few things to keep you entertained and the time will rush by.
Is it cheaper to buy a plane ticket from IAD to San Diego Intl. Airport (SAN) last minute?
Booking your journey from Washington Dulles Intl. Airport (IAD) to San Diego Airport at the last minute could save you dollars if you’re lucky enough to find an awesome deal. However, tickets usually don’t get cheaper as the departure date nears. If you procrastinate, flights could also be booked solid or the best seats gone (hello, middle seat!). If you’d rather not hedge your bets, book well ahead of your departure date. It’s worth noting that some of the best deals can be found up to a year in advance. If your preferred carrier hasn’t released its fares yet, check back regularly as deals are updated on Expedia all the time.
What is the cheapest airline flying from Washington Dulles Intl. Airport (IAD) to San Diego Airport in the next 90 days?
The cheapest airline traveling from Washington to San Diego found on Expedia is United, with fares starting at $129. This price is based on fares found on Expedia with a departure date within the next 90 days. The flight jets off from Dulles Intl. Airport on June 11 2024 and lands at San Diego Intl. Airport (SAN). Pricing information was updated on April 30 2024 and has not changed since.
What's the cheapest price for a flight from Washington Dulles Intl. Airport (IAD) to SAN next month?
Grab a one-way flight from Washington to San Diego for just $129. This is the cheapest ticket price for this trip with a departure date in the next month. It’s an United flight setting off from IAD on May 22 2024 and arriving at SAN. The ticket price was last updated on April 30 2024 and has not changed since. It was found after looking at all available flights on Expedia within the next 30 days.
What airline has the least delays from Dulles Intl. Airport to San Diego Intl. Airport (SAN)?
With an on-time arrival rate of 86%, United Airlines is the carrier that’s more likely to get you from IAD to San Diego Intl. Airport (SAN) without any interruptions. Flight delays aren’t just an annoyance — they can also cause you to miss a vital connection or even ruin your entire vacation. Stay informed about delays by looking up your flight status through the Expedia App before you set off for the airport. If you’re already at the terminal and you’re worried about how the disruption will affect your trip, head to your airline’s customer service desk to work out your next move.
Can I find cheap nonstop flights from IAD to San Diego Airport in the next three months?
The next trip you take doesn’t need to break the bank. We’ve located a roundtrip nonstop flight from Washington to San Diego within the next 90 days for $205. This price was found after searching all available flights on Expedia with a departure date in the next three months and was last updated on April 30 2024. The flight via Alaska Airlines and Spirit Airlines departs from Washington Dulles Intl. Airport (IAD) on May 26 2024 and arrives at San Diego Intl. Airport (SAN). It has a return date of June 4 2024.You can easily source nonstop cheap flights from Dulles Intl. Airport to San Diego Intl. Airport (SAN) by making use of our filters. Start by keying in the details of your journey, then click on “Nonstop” under “Filter by” on the left side of the page. Your results will appear with the cheapest fare first. If you don’t have to fly on a set day, take advantage of our “Flexible dates” feature. This lets you compare prices for nearby days and grab the best possible deal.
What airports do you fly into for San Diego County from Sterling?
With San Diego Intl. Airport (SAN), McClellan-Palomar Airport (CLD) and San Diego, CA (MYF-Montgomery Field) to select from, journeying from Sterling to San Diego County is a cinch. The city’s major hub, San Diego Intl. Airport (SAN), is about 2 mi northwest of the center. Along with the price of fares, consider things like transportation options from the airport and the distance to your hotel when choosing where to fly into. Get your San Diego County adventure off to a flying start by exploring San Diego Zoo and Balboa Park.
What are the most popular departure times for flights from Dulles Intl. Airport to SAN?
For United Airlines flights heading from Dulles Intl. Airport to SAN, the busiest period is between 8:00 AM - 9:00 AM. If you want to avoid any delays, book the earliest flight. This way you can dodge the heavy air traffic that accumulates later in the day.
Can I change the date of my flight from Washington Dulles Intl. Airport (IAD) to SAN?
It’s a cinch to make amendments to your Washington Dulles Intl. Airport (IAD) to San Diego Airport journey yourself. Just go to the Expedia Trips portal and select “change flight.” Search for new flights and secure the one that better suits your plans. You’ll get an estimate of applicable flight change costs. You can also find your way to our Customer Service portal to connect with our Virtual Agent and get answers to all your questions.
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