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Flights from Washington D.C. to San Diego
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Cheap flight deals from Washington D.C. to San Diego Starting at $108

For as little as $108, you can take your next adventure to San Diego without breaking the bank. Choose between one-way and return tickets from Washington D.C. below.

  • One way
  • Round-trip
      • Cheapest nonstop
        IAD17:10
        5h 37m
        Nonstop
        SAN19:47
        Wed, Dec 4|Washington D.C. - San Diego|Alaska Airlines
        $108$132
        18% OFF
        18% OFF
        $132$108

        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 Wed, Dec 4, arriving at San Diego International Airport. One-way Prices start from $108 including taxes and charges.

      • IAD17:10
        5h 37m
        Nonstop
        SAN19:47
        Sat, Dec 7|Washington D.C. - San Diego|Alaska Airlines
        $112$132
        15% OFF
        15% OFF
        $132$112

        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, Dec 7, arriving at San Diego International Airport. One-way Prices start from $112 including taxes and charges.

      • DCA07:00
        10h 57m
        1 stop
        SAN14:57
        Sat, Jan 11|Washington D.C. - San Diego|Frontier Airlines
        $58$132
        56% OFF
        56% OFF
        $132$58

        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, Jan 11, arriving at San Diego International Airport. One-way Prices start from $58 including taxes and charges.

      • DCA18:00
        8h 49m
        1 stop
        SAN23:49
        Sat, Dec 7|Washington D.C. - San Diego|Frontier Airlines
        $60
        $60

        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, Dec 7, arriving at San Diego International Airport. One-way Prices start from $60 including taxes and charges.

      • DCA18:00
        8h 49m
        1 stop
        SAN23:49
        Tue, Jan 14|Washington D.C. - San Diego|Frontier Airlines
        $63
        $63

        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 $63 including taxes and charges.

      • DCA07:00
        7h 31m
        1 stop
        SAN11:31
        Mon, Jan 27|Washington D.C. - San Diego|Frontier Airlines
        $63
        $63

        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, Jan 27, arriving at San Diego International Airport. One-way Prices start from $63 including taxes and charges.

      • DCA18:00
        8h 52m
        1 stop
        SAN23:52
        Tue, Jan 7|Washington D.C. - San Diego|Frontier Airlines
        $64
        $64

        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 7, arriving at San Diego International Airport. One-way Prices start from $64 including taxes and charges.

      • DCA13:01
        13h 48m
        1 stop
        SAN23:49
        Wed, Jan 15|Washington D.C. - San Diego|Frontier Airlines
        $64
        $64

        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 $64 including taxes and charges.

      • DCA18:00
        8h 49m
        1 stop
        SAN23:49
        Mon, Dec 9|Washington D.C. - San Diego|Frontier Airlines
        $65
        $65

        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, Dec 9, arriving at San Diego International Airport. One-way Prices start from $65 including taxes and charges.

      • DCA18:00
        9h 29m
        1 stop
        SAN00:29
        Mon, Feb 3|Washington D.C. - San Diego|Frontier Airlines
        $65
        $65

        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 3, arriving at San Diego International Airport. One-way Prices start from $65 including taxes and charges.

      • WAS13:00
        3h 5m
        Nonstop
        SAN14:00
        Fri, Nov 29|Washington D.C. - San Diego|Alaska Airlines
        Find More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Washington D.C. to San Diego?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to San Diego from Washington D.C. have changed and are set to move below.

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

Find cheap airlines flights from Washington D.C. to San Diego

Which airline provides the cheapest flights from Washington D.C. to San Diego? Discover the option that best suits your travel needs before embarking on your journey.

Frontier Airlines
From $58
Alaska Airlines
From $108
United Airlines
From $118
Jetblue Airways
From $120
Delta Air Lines
From $121
American Airlines
From $122
Southwest Airlines
From $179
Sun Country Airlines
From $215

Find more flights and airlines

Alternative Cheap Routes from Washington D.C. to San Diego

There are various non-direct routes from Washington D.C. to San Diego which could be cheaper and faster! Check out these alternative options to see if they could work for your trip.

  • Cheapest
    Frontier Airlines
    DCA
    07:00
    10h 57m
    1 transfer
    SAN
    14:57
    Ronald Reagan Washington National Airport - San Diego International Airport
    Sat, Jan 11Frontier Airlines
    $58
  • Frontier Airlines
    IAD
    13:20
    23h 25m
    2 transfer
    SAN
    09:45
    Dulles International Airport - San Diego International Airport
    Thu, Dec 5Frontier Airlines
    $98
  • American Airlines
    DCA
    07:00
    7h 58m
    1 transfer
    CLD
    11:58
    Ronald Reagan Washington National Airport - McClellan-Palomar Airport
    Tue, Feb 18American Airlines
    $213
  • American Airlines
    DCA
    07:00
    7h 58m
    1 transfer
    CLD
    11:58
    Ronald Reagan Washington National Airport - McClellan-Palomar Airport
    Tue, Feb 18American Airlines
    $213
    Find More Flights

Frequently Asked Questions

  • When are flight tickets 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 departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

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

    According to Trip.com's data, the lowest price is around $327.

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

    It takes around 6 hours 48 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 3 km. It takes about 20 minutes by taxi.

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

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

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
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 Info | Washington D.C. to San Diego

Cheapest nonstop flight price$58
Cheapest round-trip ticket price$177
Off-season for travelDecember
Peak season for travelAugust
Flight distance3,654.5 km
Average flight time6 hours 48 minutes
Popular airlineAlaska Airlines

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