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Flights from Washington D.C. to San Diego
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Find cheap one-way flights from Washington D.C. to San Diego starting at US$66.

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
  • Round-trip
      • DCA18:59
        16h 8m
        1 stop
        SAN08:07
        Tue, Sep 3|Washington D.C. - San Diego|Frontier Airlines
        US$66US$136
        52% OFF
        52% OFF
        US$136US$66
      • DCA18:59
        14h 25m
        1 stop
        SAN06:24
        Sat, Aug 24|Washington D.C. - San Diego|Frontier Airlines
        US$70US$136
        49% OFF
        49% OFF
        US$136US$70
      • DCA12:59
        21h 1m
        1 stop
        SAN07:00
        Wed, Sep 4|Washington D.C. - San Diego|Frontier Airlines
        US$81US$136
        40% OFF
        40% OFF
        US$136US$81
      • DCA12:59
        7h 28m
        1 stop
        SAN17:27
        Mon, Aug 19|Washington D.C. - San Diego|Frontier Airlines
        US$83
        US$83
      • DCA07:00
        9h 54m
        1 stop
        SAN13:54
        Sat, Sep 7|Washington D.C. - San Diego|Frontier Airlines
        US$89
        US$89
      • DCA07:00
        27h 22m
        1 stop
        SAN07:22
        Wed, Aug 14|Washington D.C. - San Diego|Frontier Airlines
        US$93
        US$93
      • DCA18:59
        14h 25m
        1 stop
        SAN06:24
        Fri, Sep 6|Washington D.C. - San Diego|Frontier Airlines
        US$94
        US$94
      • DCA07:00
        9h 29m
        1 stop
        SAN13:29
        Tue, Aug 27|Washington D.C. - San Diego|Frontier Airlines
        US$94
        US$94
      • DCA12:59
        10h 5m
        1 stop
        SAN20:04
        Sat, Sep 14|Washington D.C. - San Diego|Frontier Airlines
        US$94
        US$94
      • DCA18:59
        19h 7m
        1 stop
        SAN11:06
        Tue, Sep 10|Washington D.C. - San Diego|Frontier Airlines
        US$96
        US$96
      • WAS13:00
        3h 5m
        Direct
        SAN14:00
        Sat, Aug 3|Washington D.C. - San Diego|Frontier Airlines
        Find More Flights
        Find More Flights

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

When is the cheapest 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.
Cheapest 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 US$66
American Airlines
From US$104
Alaska Airlines
From US$114
United Airlines
From US$127
Delta Air Lines
From US$129
Jetblue Airways
From US$136
Sun Country Airlines
From US$159
Southwest Airlines
From US$191
ANA airlines

Find more flights and airlines

Find cheap flights from Washington D.C. to San Diego by different airports

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
    18:59
    16h 8m
    1 transfer
    SAN
    08:07
    Ronald Reagan Washington National Airport - San Diego International Airport
    Tue, Sep 3Frontier Airlines
    US$66
  • Alaska Airlines
    IAD
    16:16
    5h 26m
    Direct
    SAN
    18:42
    Dulles International Airport - San Diego International Airport
    Wed, Sep 4Alaska Airlines
    US$114
  • Alaska Airlines
    IAD
    16:16
    5h 26m
    Direct
    SAN
    18:42
    Dulles International Airport - San Diego International Airport
    Wed, Sep 4Alaska Airlines
    US$114
    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 $395.

  • 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 20 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. 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

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

Washington D.C. to San Diego Flight Information

Cheapest nonstop flight price

$65

Cheapest round-trip ticket price

$196

Off-season for travel

May

Peak season for travel

January

Flight distance

3,654.5km

Average flight time

6 hours 20 minutes

Popular airline

Delta Air Lines

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