Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 321,000 hotels worldwide and 400 airlines worldwide.

Secure incredible value with Expedia's Price Guarantee.

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap SAN to IAD Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Cheap SAN to IAD Flights

Question : How long will the flight typically be from San Diego International Airport (SAN) to Washington Dulles International Airport (IAD)?
Answer : The average flight duration between SAN and IAD is four hours and 46 minutes.

Question : How many departure times from San Diego International Airport (SAN) to Washington Dulles International Airport (IAD) are there on a daily basis?
Answer : Each day is different, but on average, you can expect to see six available departure times. The average route departing the United States currently has nine different flight times per day, so expect fewer options than you're used to.

Question : How long do most people visit Dulles?
Answer : Of course you're not most people, but if you were, you'd stay roughly eight days.

Question : What is the quickest flight from SAN to IAD?
Answer : United Airlines can get you there in four hours and 41 minutes. So, if you were to leave San Diego at 10:20 PM PST, you would arrive in Dulles at 6:01 AM EST (remember, there is a three-hour time difference).

Question : How does San Diego to Dulles stack up against the rest of the world in overall promptness?
Answer : Using the combined on-time percentage and average delay breakdown, San Diego to Dulles currently has a 4 out of a possible 5 star rating. A 4-star rating means you should feel confident in getting to Dulles on time.

Question : When flying into Dulles, is Washington Dulles International Airport your cheapest option?
Answer : Luckily for you, there is another airport near Dulles. Ronald Reagan National Airport (DCA) is 23 miles away, and over the next two months flights are being booked 14% cheaper than flights to Washington Dulles International Airport.

Question : Do some days of the week have more flight times than others?
Answer : When you’re flying from SAN to IAD, the day with the most flight times is Sunday, with seven different options. Saturday currently offers the least amount of flight times with only five options.

San Diego to Washington Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from San Diego to Washington will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Washington.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SAN to IAD flights that won’t make your bank account wince. Ready to temporarily leave behind San Diego for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IAD with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.