SAN - WAS

$183 Find Cheap Flights from San Diego to Washington, D.C. - Compare and Save

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Everything you should know

Cheapest round-trip
$341
Typical prices: $327-$572
Frontier
Mon 12/31Thu 1/4
SAN - IAD • 1 stop
Cheapest non-stop
$356
Typical prices: $351-$575
Alaska Airlines
Sun 12/9Sun 12/16
SAN - DCA • Non-stop
Nonstop flights
You can fly direct with United Airlines and Alaska Airlines. Average duration is 4h 56m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 6% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 91% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 11 weeks in advance save around 44% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 22% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $309 (round-trip)
Shortest trip • 6h 58m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C.!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from San Diego to Washington, D.C. (SAN-WAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to Washington, D.C.

Fri, Dec 11 - Mon, Dec 14
Southwest Logo
8:45 am - 8:55 pmSAN  San Diego-DCA Washington, D.C. Reagan-National
9h 10m2 stops Tucson Dallas Love Field
Southwest Logo
11:40 am - 6:55 pmDCA  Washington, D.C. Reagan-National-SAN San Diego
10h 15m2 stops Houston Hobby San Antonio
$341Southwest
Thu, Dec 31 - Mon, Jan 4
Frontier Logo
7:56 pm - 6:07 amSAN  San Diego-IAD Washington, D.C. Dulles Intl
7h 11m1 stop Las Vegas Harry Reid Intl
Frontier Logo
10:59 pm - 11:58 pmIAD  Washington, D.C. Dulles Intl-SAN San Diego
27h 59m2 stops Atlanta Hartsfield-Jackson Denver Intl
$341Frontier
Wed, Nov 25 - Thu, Dec 3
Multiple Airlines Logo
8:50 am - 5:10 amSAN  San Diego-IAD Washington, D.C. Dulles Intl
17h 20m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:42 pm - 9:30 pmIAD  Washington, D.C. Dulles Intl-SAN San Diego
5h 48mnonstop
$341Multiple Airlines
Thu, Nov 19 - Mon, Nov 23
Frontier Logo
7:38 pm - 4:57 pmSAN  San Diego-DCA Washington, D.C. Reagan-National
18h 19m2 stops Phoenix Sky Harbor Intl Denver Intl
Frontier Logo
7:00 am - 4:34 pmDCA  Washington, D.C. Reagan-National-SAN San Diego
12h 34m1 stop Denver Intl
$342Frontier
Wed, Nov 25 - Thu, Dec 3
Multiple Airlines Logo
8:50 am - 5:10 amSAN  San Diego-IAD Washington, D.C. Dulles Intl
17h 20m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:42 pm - 9:30 pmIAD  Washington, D.C. Dulles Intl-SAN San Diego
5h 48mnonstop
$343Multiple Airlines
Sun, Dec 13 - Wed, Dec 16
Southwest Logo
6:15 am - 3:55 pmSAN  San Diego-DCA Washington, D.C. Reagan-National
6h 40m1 stop Austin Bergstrom
Southwest Logo
6:05 am - 11:50 amDCA  Washington, D.C. Reagan-National-SAN San Diego
8h 45m2 stops Nashville Intl Dallas Love Field
$345Southwest
Sat, Nov 21 - Tue, Nov 24
American Airlines Logo
10:45 pm - 11:49 amSAN  San Diego-DCA Washington, D.C. Reagan-National
10h 04m1 stop Chicago O'Hare Intl
American Airlines Logo
1:44 pm - 9:45 pmDCA  Washington, D.C. Reagan-National-SAN San Diego
11h 01m1 stop Philadelphia
$346American Airlines
Sat, Nov 21 - Wed, Nov 25
American Airlines Logo
10:45 pm - 10:52 amSAN  San Diego-DCA Washington, D.C. Reagan-National
9h 07m1 stop Chicago O'Hare Intl
American Airlines Logo
1:44 pm - 9:45 pmDCA  Washington, D.C. Reagan-National-SAN San Diego
11h 01m1 stop Philadelphia
$346American Airlines
Sun, Nov 22 - Thu, Dec 3
Delta Logo
11:02 am - 12:20 amSAN  San Diego-IAD Washington, D.C. Dulles Intl
10h 18m1 stop Seattle/Tacoma Intl
Delta Logo
6:20 pm - 11:57 pmIAD  Washington, D.C. Dulles Intl-SAN San Diego
8h 37m1 stop New York John F Kennedy Intl
$346Delta
Wed, Dec 2 - Mon, Dec 7
Delta Logo
6:47 pm - 10:42 amSAN  San Diego-IAD Washington, D.C. Dulles Intl
12h 55m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County
Delta Logo
3:00 pm - 9:19 pmIAD  Washington, D.C. Dulles Intl-SAN San Diego
9h 19m1 stop Atlanta Hartsfield-Jackson
$353Delta
Booking Insights

Price, demand and travel trends for San Diego to Washington, D.C. flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from San Diego to Washington, D.C.?

Round-trip flights from San Diego to Washington, D.C. typically range from $327 to $572. The lowest price found in the past 5 days was $341, on Frontier.

What is the cheapest San Diego to Washington, D.C. flight route?

San Diego (SAN) to Washington, D.C. Reagan-National Airport (DCA) is the cheapest San Diego to Washington, D.C. route, averaging $391 round-trip. Other San Diego to Washington, D.C. routes average $437, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from San Diego to Washington, D.C.?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from San Diego to Washington, D.C.. It’s 10% cheaper than the average day, while Sunday is the most expensive, with prices 40% higher.

What’s the cheapest month to fly from San Diego to Washington, D.C.?

•February is the cheapest month to fly from San Diego to Washington, D.C. at $331 round-trip.
•October ($490) and July ($472) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 48% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from San Diego to Washington, D.C. the cheapest?

Flights from San Diego to Washington, D.C. are cheapest 11 weeks before departure. Booking in this window typically costs about 44% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from San Diego to Washington, D.C.

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Brandon Schultz

Brandon Schultz

Expert on SAN

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Key details for San Diego to Washington, D.C. flights

Low season

September

Cheapest flight

$183
Beat the crowds with an average 29% drop in travelers.
The most popular month to fly with an average 27% increase in travelers.
One-way flight from San Diego to Washington, D.C. Dulles Intl Airport

When to book flights from San Diego to Washington, D.C.

Are your dates flexible? Find out the best times to travel from San Diego to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Diego to Washington, D.C. flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from San Diego to Washington, D.C.?

    These are the earliest and latest flight times available from San Diego to Washington, D.C.:

    • Earliest: departs at 8:00 am and lands at 12:56 pm
    • Latest: departs at 9:50 pm and lands at 2:46 am.

    The flight takes about 4h 56m.

  • What cabin classes can I book on flights from San Diego to Washington, D.C.?

    Four cabin classes are available on flights from San Diego to Washington, D.C.:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from San Diego to Washington, D.C.?

    A nonstop flight from San Diego to Washington, D.C. takes 4h 56m, covering 2,270 miles.

  • Do I need a passport to fly from San Diego to Washington, D.C.?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a San Diego to Washington, D.C. flight?

    Round-trip flights from San Diego to Washington, D.C. range from $327 to $572, with an average of $425 over the past 12 months. Anything below $327 counts as a good deal.

  • How expensive are last-minute San Diego to Washington, D.C. flights?

    Last-minute fares on this route (booked within two weeks of departure) run 52% above the $425 route average. Book 11 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from San Diego to Washington, D.C.?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $309 round-trip via Newark (EWR), compared to $436 for nonstop.

  • What is the standard checked-bag allowance on flights from San Diego to Washington, D.C.?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • How are flight departures from San Diego to Washington, D.C. spread across the day?

    Morning is the busiest departure period on San Diego to Washington, D.C. flights, with 40% of flights leaving in that window. Afternoon departures account for 40%, night flights for 20%, and evening flights for 0%.

  • Have flight prices from San Diego to Washington, D.C. changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $341 to $3,021. That means the highest observed fare was about 9x higher than the lowest one.

  • Which airlines offer Wi-Fi on San Diego to Washington, D.C. flights?

    Two airlines offer in-flight Wi-Fi on San Diego to Washington, D.C. flights:

    • Alaska Airlines
    • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

  • How are flight prices from San Diego to Washington, D.C. looking right now?

    One-way fares from San Diego to Washington, D.C. are currently lower than usual. Average one-way flight prices are about $187, which is 34% below the typical average for this route.

  • What car rental options are available in Washington, D.C.?

    Since Washington, D.C. is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Washington, D.C. Reagan-National Airport (DCA) — daily rates averaging $71:

    • Sixt
    • Dollar
    • Thrifty
    • Hertz
    • Alamo

    Near Washington, D.C. Dulles Intl Airport (IAD) — daily rates averaging $70:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from San Diego to Washington, D.C.?

    Flights from San Diego to Washington, D.C. usually depart from San Diego (SAN) and may arrive at several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD).

  • What time of day has the fewest delays on flights from San Diego to Washington, D.C.?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed from San Diego to Washington, D.C.?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the San Diego to Washington, D.C. route, 12% of flights were delayed in the past 3 months, with delays averaging 2h 23m.

  • Which airports do connecting flights from San Diego to Washington, D.C. pass through?

    One-stop flights from San Diego to Washington, D.C. most commonly connect through:

    • Denver Intl (DEN) - 64% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 8% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 4% of one-stop connections
    • Boston Logan Intl (BOS) - 3% of one-stop connections

  • Can I save money by using flexible dates for flights from San Diego to Washington, D.C.?

    Yes. Flexible dates can save you up to 36% on flights from San Diego to Washington, D.C.. Saturday is the cheapest departure day at $384 round-trip on average, while Sunday is the most expensive at $596, a difference of $212.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from San Diego to Washington, D.C.?

    2 airlines operate flights between San Diego and Washington, D.C.. The airlines offering nonstop flights on this route include:

    • United Airlines
    • Alaska Airlines

  • How much time can I save by choosing a different layover airport from San Diego to Washington, D.C.?

    Flying via Austin Bergstrom (AUS) gives the shortest average 1-stop total travel time at 6h 58m, compared with 7h 01m via Lambert-St Louis (STL) and 7h 08m via Dallas Love Field (DAL).

  • What is the time difference between San Diego and Washington, D.C.?

    Washington, D.C. is 3 hours ahead of San Diego (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C.?

    Some of the most popular sights in Washington, D.C. are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. on KAYAK.

  • Which airlines offer extra legroom and free seat selection on San Diego to Washington, D.C. flights?

    Among airlines operating San Diego to Washington, D.C. flights:

    • Alaska Airlines: offers extra legroom; offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection
    • American Airlines: offers free seat selection
    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on San Diego to Washington, D.C. flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • United Airlines: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in First Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • Is there a hotel near the San Diego Airport?

    Though in the airport there aren’t any airports, you will find it fitting to check in to one of the hotels very close to the airport. You can check in at the Holiday Inn San Diego Hotel and Marina which offers a free shuttle ride to and from the hotel. Other hotels within the airport include The Sheraton San Diego is the closest hotel to the airport is the Town Place Suites San Diego Airport.

  • Are the places to eat at SAN?

    At the ticketing area on Terminal 1, you will find the Ryan Bro’s Coffee while on the landside of Terminal 2 the Einstein Bros. Bagels, both run 24hs. If you are more of a snacks/sweets person, you will be able to find vending machines all over the airport.

  • Does Washington Dulles Airport have sleeping spots?

    Most sleeping locations are found after the security checkpoint, so you will want to be past the checkpoint before it closes. From there, the sleeping spots are comprised of mostly arm-rest free seats and are found at Concourses D and C. Other places you can sleep are on the seats inside the cafés and around Gates D1 and C20.

  • Are there any airport lounges at Washington Dulles Airport?

    The lounges at WAS are numerous, starting with the one beside Gate A22 at Concourse A under Air France, which requires either a membership, a lounge pass, or a day pass. The British Airways Galleries Lounge, which also offers shower facilities, and the Turkish Airlines Lounge are both located on Concourse B. The United Club and the Virgin Atlantic Clubhouse are located at Gate A32 at Concourse A on both Concourse D and C. Military personnel and their families are accommodated in the USO Military Lounge, which is located on the Arrivals Level of the Main Terminal. While you wait for your flight, you can read a book or watch television in the lounges.

Your guide to booking San Diego to Washington, D.C. flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $384, about $212 less than Sunday fares (36% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 11 weeks before you fly. On this route, that window historically saves about 44% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Diego to Washington, D.C. trip for February. Fares historically average $331 round-trip in that month - typically $159 less than the most expensive month, which is October (based on the last 12 months).
  • For the best chance of arriving on time, fly with United Airlines. Over the past three months, 91% of United Airlines flights from San Diego to Washington, D.C. arrived on time, slightly above the route average of 88%. When flights on this route arrive late, they're delayed by an average of 2h 23m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Newark Airport (EWR) can be cheaper than flying direct. The cheapest layover option averages $309 round-trip on this route - about $127 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.

    • Hyatt House Washington DC The Wharf
    • Intercontinental Hotels Washington D.C. - The Wharf By IHG
    • Canopy by Hilton Washington D.C - The Wharf
  • Take note of the Traveler’s Aid while at San Diego International Airport (SAN) where you will be able to be assisted if you are distressed or stranded. There are volunteers working with the organization who are ready to offer assistance on matters pertaining to emergency housing, lost luggage and belongings, transportation, and destination queries. You can find them in the Baggage Claims area of Terminals 1 and 2.
  • You will be able to surf the internet while at SAN when connected to the free Wi-Fi, though there is a time limit of 2h.
  • If you need to charge your device while at Washington Dulles Airport (IAD), seek outlets in Concourse D, C, and near Gate B73. These areas are open to the public and are free to use.
  • At Concourse B of the Ronald Regan Washington National (DCA), you can locate the interfaith chapel where you can go to pray.
  • The pet relief areas at the Baltimore International Thurgood Marshall Airport (BWI) are found at Concourse C and Concourse E, close to the Airside at Door 19.

Prefer to fly direct from San Diego to Washington, D.C.?

 
Find which airlines fly direct from San Diego Airport to Washington, D.C., which days they fly and book direct flights.

Direct departures

San Diego to Washington, D.C.

Monday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Tuesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Wednesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Thursday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Friday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Saturday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Sunday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

See more direct flights

Direct returns

Washington, D.C. to San Diego

Monday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Tuesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Wednesday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Thursday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Friday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Saturday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

Sunday

Alaska Airlines,United Airlines

Alaska Airlines,United Airlines

See more direct flights

More options for your flight from San Diego to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car rental