Flight Info | San Diego to Washington D.C.

The distance between San Diego and Washington D.C. is approximately 3,654.5 km. It takes around 5 hours 58 minutes on average to fly from San Diego to Washington D.C.. Based on Trip.com's data, travel demand peaks in July. The cheapest month to book is November.

Cheapest one-way
$126
Delta Air Lines Delta Air Lines SAN-WAS 8h 44m · 1 stop Wed, Sep 16
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Cheapest round-trip
$230
Alaska Airlines Alaska Airlines SAN-WAS 11h 49m · 2 stops Tue, Aug 18 - Tue, Aug 25
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When to travel
February
Cheapest
July
Peak season for travel
Route details
3,654.5 km
Flight distance
5h 58m
Average flight time

Book direct flights from San Diego to Washington D.C.: One way flights from $169, round trip flights from $299. Find flight deals for the next 3 months below.

Popular airlines from San Diego to Washington D.C.

You can choose from 5 airlines that fly from San Diego to Washington D.C., including Alaska Airlines, Frontier Airlines, and United Airlines. Alaska Airlines has lowest fares on this route.
Alaska Airlines logo Alaska Airlines
Frontier Airlines logo Frontier Airlines
United Airlines logo United Airlines
American Airlines logo American Airlines
Jetblue Airways logo Jetblue Airways
Airlines are determined based on actual purchased flight tickets from San Diego to Washington D.C. according to previous 12 months data from Trip.com.

Trip.com price insights on flights from San Diego to Washington D.C.

Which month has the cheapest one-way flights from San Diego to Washington D.C.?

The average price of one-way flights from San Diego to Washington D.C. purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from San Diego to Washington D.C. is February, with an average price of $161; while the month with the highest flight price is usually June, with an average price of up to $359.

$359
$260
$161
$62
    Cheapest
  • $208
    Aug
  • $303
    Sep
  • $323
    Oct
  • $327
    Nov
  • $329
    Dec
  • $178
    Jan
  • $161
    Feb
  • $300
    Mar
  • $332
    Apr
  • $313
    May
  • $359
    Jun
  • $288
    Jul

When is the cheapest day to fly from San Diego to Washington D.C. during Labor Day?

Data is based on the lowest one-way price from San Diego to Washington D.C. during Labor Day on Trip.com in the past 3 days.

Labor Day is scheduled for Sep 7. The cheapest flights from San Diego to Washington D.C. are available on Sep 3, with fares starting at $131.

$177
$154
$131
$108
  • $131
    3
    Sep
  • $177
    4
  • $136
    5
  • $140
    6
  • $148
    7
  • $147
    8
  • $142
    9

Frequently Asked Questions

  • What are the cheapest flights from San Diego to Washington D.C. (SAN-WAS)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as $126 on Cheapest nonstop routes (e.g. SAN to IAD on Wed, Sep 16), while Alaska Airlines offers Cheapest nonstop round-trips from $230 departing on Tue, Aug 18 and returning on Tue, Aug 25.
  • At the moment, you can catch a nonstop flight from San Diego to Washington D.C. with the following airlines, including: Alaska Airlines United Airlines Frontier Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 5 hours 58 minutes to fly from San Diego (SAN) to Washington D.C. (WAS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Diego to Washington D.C. is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 31 flight per week flying from San Diego to Washington D.C.. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA1071 (08:11)
  • To find best deals on flights from San Diego to Washington D.C., you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Sep 16, with one-way flights priced at just $126.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Washington D.C. travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Diego to Washington D.C. is November, when demand for travel is lower.
  • You can land at any one of the following hubs in Washington D.C., with San Diego International Airport to Dulles International Airport (SAN-IAD) is by far the most common option on this route: Dulles International Airport (IAD) Ronald Reagan Washington National Airport (DCA).
  • The time difference between Washington D.C. and San Diego is 3h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from San Diego to Washington D.C. is $257. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from San Diego to Washington D.C. is $474. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter San Diego and Washington D.C., choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • Frontier Airlinesare the most popular budget airlines flying from San Diego to Washington D.C.. Check baggage, seat and payment fees before comparing the final price.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.