Cheap Flights from San Diego to Washington D.C. starting at RM 276

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from San Diego to Washington D.C.

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
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  • 23 30

  • Apr

    30 6
  • 6 13
  • 13 20
  • 20 27

  • May

    27 4
  • 4 11
  • 11 18
  • 18 25

  • Jun

    25 1
  • 1 8
  • 8 15
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • When are flight tickets from San Diego (SAN) to Washington D.C. (WAS) the cheapest?

    Airlines adjust prices for flights from San Diego to Washington D.C. based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from San Diego (SAN) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around RM 1,555.

  • How long does it take to fly from San Diego (SAN) to Washington D.C. (WAS)?

    It takes about 6 hours 45 minutes to fly from San Diego (SAN) to Washington D.C. (WAS).

  • What are the most popular airlines that fly from San Diego (SAN) to Washington D.C. (WAS)?

    Airlines with flights from San Diego (SAN) to Washington D.C. (WAS): Qatar Airways, Southwest Airlines, United Airlines, American Airlines, Alaska Airlines and Hawaiian Airlines.

  • What's the most popular airline for non-stop flights from San Diego (SAN) to Washington D.C. (WAS)?

    United Airlines operates 1 direct flights from San Diego (SAN) to Washington D.C. (WAS).

  • How many airports in Washington D.C. (WAS)?

    There are 2 airport(s) in Washington D.C. (WAS): Ronald Reagan Washington National Airport and Dulles International Airport.

How to find a cheap flight from San Diego to Washington D.C.

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Diego to Washington D.C.. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest flight from San Diego to Washington D.C..
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from San Diego to Washington D.C. over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Tue, Apr 8, with one-way flights priced at just RM 489.
2
Compare cheap flight deals from San Diego to Washington D.C. across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from San Diego to Washington D.C.. The cheapest airline for this route is Hawaiian Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your journey from San Diego to Washington D.C., you can easily keep an eye on ticket prices without having to check every day.
4
Don't miss out on cheap flight deals and promo codes from San Diego to Washington D.C..
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
5
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
6
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from San Diego to Washington D.C. and snag some exclusive deals just for you.

Flight Information from San Diego to Washington D.C.

Cheapest direct flight price RM 275
Cheapest return ticket price RM 796
Off-season for travel March
Peak season for travel December
Flight distance 3,654.5km
Average flight time 6 hours 14 minutes
Popular airline Alaska Airlines

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