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Cheap Flight Deals from Washington D.C. to San Diego

Whether you’re going for a one-way or round-trip to San Diego, we’ve got you covered! Check out these different flight options from Washington D.C. below.

  • One way
  • Return
      • Cheapest nonstop
        IAD17:25
        5h 52m
        Nonstop
        SAN20:17
        Sat, Feb 8|Washington D.C. - San Diego|Alaska Airlines
        AU$ 134AU$ 187
        28% OFF
        28% OFF
        AU$ 187AU$ 134

        Choose Alaska Airlines flights from Washington D.C. to San Diego. The one-way direct flight with Alaska Airlines departs from Dulles International Airport on Sat, Feb 8, arriving at San Diego International Airport. One-way Prices start from AU$ 134 including taxes and charges.

      • IAD17:18
        6h 1m
        Nonstop
        SAN20:19
        Sat, Mar 1|Washington D.C. - San Diego|Alaska Airlines
        AU$ 135AU$ 187
        28% OFF
        28% OFF
        AU$ 187AU$ 135

        Choose Alaska Airlines flights from Washington D.C. to San Diego. The one-way direct flight with Alaska Airlines departs from Dulles International Airport on Sat, Mar 1, arriving at San Diego International Airport. One-way Prices start from AU$ 135 including taxes and charges.

      • DCA18:00
        8h 52m
        1 stop
        SAN23:52
        Sat, Feb 8|Washington D.C. - San Diego|Frontier Airlines
        AU$ 86AU$ 187
        54% OFF
        54% OFF
        AU$ 187AU$ 86

        Choose Frontier Airlines flights from Washington D.C. to San Diego. The one-way connecting flight with Frontier Airlines departs from Ronald Reagan Washington National Airport on Sat, Feb 8, arriving at San Diego International Airport. One-way Prices start from AU$ 86 including taxes and charges.

      • DCA18:00
        9h 20m
        1 stop
        SAN00:20
        Sat, Mar 1|Washington D.C. - San Diego|Frontier Airlines
        AU$ 90
        AU$ 90

        Choose Frontier Airlines flights from Washington D.C. to San Diego. The one-way connecting flight with Frontier Airlines departs from Ronald Reagan Washington National Airport on Sat, Mar 1, arriving at San Diego International Airport. One-way Prices start from AU$ 90 including taxes and charges.

      • DCA18:00
        9h 29m
        1 stop
        SAN00:29
        Mon, Feb 10|Washington D.C. - San Diego|Frontier Airlines
        AU$ 92
        AU$ 92

        Choose Frontier Airlines flights from Washington D.C. to San Diego. The one-way connecting flight with Frontier Airlines departs from Ronald Reagan Washington National Airport on Mon, Feb 10, arriving at San Diego International Airport. One-way Prices start from AU$ 92 including taxes and charges.

      • DCA18:00
        8h 52m
        1 stop
        SAN23:52
        Sat, Feb 1|Washington D.C. - San Diego|Frontier Airlines
        AU$ 93
        AU$ 93

        Choose Frontier Airlines flights from Washington D.C. to San Diego. The one-way connecting flight with Frontier Airlines departs from Ronald Reagan Washington National Airport on Sat, Feb 1, arriving at San Diego International Airport. One-way Prices start from AU$ 93 including taxes and charges.

      • DCA18:00
        8h 52m
        1 stop
        SAN23:52
        Tue, Jan 14|Washington D.C. - San Diego|Frontier Airlines
        AU$ 101
        AU$ 101

        Choose Frontier Airlines flights from Washington D.C. to San Diego. The one-way connecting flight with Frontier Airlines departs from Ronald Reagan Washington National Airport on Tue, Jan 14, arriving at San Diego International Airport. One-way Prices start from AU$ 101 including taxes and charges.

      • DCA13:01
        13h 51m
        1 stop
        SAN23:52
        Tue, Feb 11|Washington D.C. - San Diego|Frontier Airlines
        AU$ 101
        AU$ 101

        Choose Frontier Airlines flights from Washington D.C. to San Diego. The one-way connecting flight with Frontier Airlines departs from Ronald Reagan Washington National Airport on Tue, Feb 11, arriving at San Diego International Airport. One-way Prices start from AU$ 101 including taxes and charges.

      • DCA07:00
        7h 48m
        1 stop
        SAN11:48
        Tue, Mar 11|Washington D.C. - San Diego|Frontier Airlines
        AU$ 101
        AU$ 101

        Choose Frontier Airlines flights from Washington D.C. to San Diego. The one-way connecting flight with Frontier Airlines departs from Ronald Reagan Washington National Airport on Tue, Mar 11, arriving at San Diego International Airport. One-way Prices start from AU$ 101 including taxes and charges.

      • DCA13:01
        13h 48m
        1 stop
        SAN23:49
        Wed, Jan 15|Washington D.C. - San Diego|Frontier Airlines
        AU$ 102
        AU$ 102

        Choose Frontier Airlines flights from Washington D.C. to San Diego. The one-way connecting flight with Frontier Airlines departs from Ronald Reagan Washington National Airport on Wed, Jan 15, arriving at San Diego International Airport. One-way Prices start from AU$ 102 including taxes and charges.

      • WAS01:00 pm
        3h 5m
        Nonstop
        SAN02:00 pm
        Tue, Jan 21|Washington D.C. - San Diego|Alaska Airlines
        Find More Flights
        Find More Flights

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

Best Time to Book Flights from Washington D.C. to San Diego

Explore the best time to buy affordable tickets to San Diego with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Top Airlines Flying from Washington D.C. to San Diego

Compare prices from various providers below to understand which option best suits your travel needs, before enjoying a comfortable journey with a trusted airline from Washington D.C. to San Diego.
Alaska Airlines logoAlaska Airlines

Alternative Routes from Washington D.C. to San Diego

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to San Diego from Washington D.C. which could help you save money and time.

  • Cheapest
    Frontier Airlines
    DCA
    18:00
    8h 52m
    1 transfer
    SAN
    23:52
    Ronald Reagan Washington National Airport - San Diego International Airport
    Sat, Feb 8Frontier Airlines
    AU$ 86
  • Alaska Airlines
    IAD
    17:25
    5h 52m
    Nonstop
    SAN
    20:17
    Dulles International Airport - San Diego International Airport
    Sat, Feb 8Alaska Airlines
    AU$ 134
  • American Airlines
    DCA
    07:00
    7h 58m
    1 transfer
    CLD
    11:58
    Ronald Reagan Washington National Airport - McClellan-Palomar Airport
    Sat, Feb 22American Airlines
    AU$ 292
  • American Airlines
    DCA
    07:00
    7h 58m
    1 transfer
    CLD
    11:58
    Ronald Reagan Washington National Airport - McClellan-Palomar Airport
    Sat, Feb 22American Airlines
    AU$ 292
    Find More Flights

FAQ

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

    Airlines adjust prices for flights from Washington D.C. to San Diego 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 are flights from Washington D.C. (WAS) to San Diego (SAN) cost?

    According to Trip.com's data, the lowest price is around AU$ 523.

  • How long is the flights from Washington D.C. (WAS) to San Diego (SAN)?

    It takes about 6 hours 16 minutes to fly from Washington D.C. (WAS) to San Diego (SAN).

  • What is the transportation method from the main airport to downtown in San Diego?

    • The distance from San Diego International Airport to downtown is about 3km, by taxi about 20 minutes.

  • What time does the earliest flight from Washington D.C. to San Diego depart?

    The earliest flight departs from Washington D.C. (IAD) at 08:35 and arrives in San Diego (SAN) at 11:26.

  • What time does the latest flight from Washington D.C. to San Diego depart?

    The latest flight departs from Washington D.C. (IAD) at 18:17 and arrives in San Diego (SAN) at 20:59.

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

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

    United Airlines operates 2 direct flights from Washington D.C. (WAS) to San Diego (SAN).

  • How many airports in San Diego (SAN)?

    There are 2 airport(s) in San Diego (SAN): McClellan-Palomar Airport and San Diego International Airport.

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

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Washington D.C. to San Diego

Cheapest direct flight priceAU$ 85
Cheapest return ticket priceAU$ 258
Off-season for travelDecember
Peak season for travelOctober
Flight distance3,654.5km
Average flight time6 hours 16 minutes
Popular airlineAlaska Airlines

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