Cheap flights from San Diego to Washington, D.C.

Flight deals from San Diego to Washington, D.C.

Below you can see the best deals on flights San Diego — Washington, D.C. for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 15 September, from $120.

Top 10 cheap flights from San Diego to Washington, D.C.

San Diego — Washington, D.C.

17:54—06:20

12 Sep 2026

9 h 26 m

1 stop

San Diego — Washington, D.C.

15:45—06:20

12 Sep 2026

11 h 35 m

1 stop

San Diego — Washington, D.C.

18:45—11:33

11 Sep 2026

13 h 48 m

1 stop

San Diego — Washington, D.C.

17:00—06:20

12 Sep 2026

10 h 20 m

1 stop

San Diego — Washington, D.C.

15:45—06:20

14 Sep 2026

11 h 35 m

1 stop

San Diego — Washington, D.C.

17:54—11:33

9 Sep 2026

14 h 39 m

2 stops

San Diego — Washington, D.C.

16:36—18:29

4 Sep 2026

22 h 53 m

1 stop

San Diego — Washington, D.C.

21:03—06:20

14 Sep 2026

30 h 17 m

1 stop

San Diego — Washington, D.C.

20:59—08:04

31 Aug 2026

32 h 5 m

1 stop

San Diego — Washington, D.C.

17:00—11:33

9 Sep 2026

15 h 33 m

2 stops

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the San Diego — Washington, D.C. flight

Looking for cheap flights from San Diego to Washington, D.C.? Compare fares from different airlines, check the flight schedule and travel time — and book your San Diego — Washington, D.C. ticket online at the best price.

The route has direct flights — around 80 flights per week, flights are operated by United Airlines, Alaska Airlines, Hawaiian Airlines, American Airlines, a nonstop flight takes about 5 h, the distance between the cities is around 3,661 km.

Planning your trip? You may find our Washington, D.C. travel guide, how to get from the airport into town and Washington, D.C. weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

from $115Min. price

OctoberCheapest

AprilPeak season

YesDirect flights

3,661 kmDistance

5 hTravel time

4Airlines

80 / wkFlights

Flight schedule from San Diego to Washington, D.C.

The table shows direct flights from San Diego to Washington, D.C. on the selected date. The flight takes approximately 5 h. Regular flights are operated by United Airlines, Alaska Airlines, Hawaiian Airlines and American Airlines. Departures from San Diego International Airport airports, arrivals at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today

Any time

Last update: 15 Aug 2026

Airline

Flight

Departure

Arrival

Duration

Days

Status

Below is a calendar of the lowest flight ticket prices for San Diego — Washington, D.C. by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $115 in October, and the most expensive are around $211 in April. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

Prices by month

Average one-way fares from San Diego to Washington, D.C. by month. Tickets are usually cheapest in January (around $216) and priciest in December (about $342) — use the table and chart below to pick the best time to fly.

Month	Average price	Level	Month	Average price	Level	Month	Average price	Level
Jan	$216	low	May	$312	high	Sep	$270	medium
Feb	$222	low	Jun	$330	high	Oct	$228	low
Mar	$252	medium	Jul	$336	high	Nov	$318	high
Apr	$264	medium	Aug	$288	medium	Dec	$342	high

Some values are estimated based on seasonality.

When to fly

Weather in Washington, D.C.: it is warmest in July (up to 32 °C on average) and coolest in January (around 7 °C). The driest month is October.

Tickets are usually cheapest in October and most expensive in April. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Washington, D.C.

Dry and wet days · Washington, D.C.

Wind speed and direction · Washington, D.C.

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How to get the best deal on a San Diego — Washington, D.C. ticket

Book ahead: fares for San Diego — Washington, D.C. are usually lower 3–8 weeks before departure than at the last minute.
Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
The cheapest month to fly to Washington, D.C. is usually October — plan your trip around it if your dates are flexible.
Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Flights on the San Diego — Washington, D.C. route are operated by 4 airlines; United Airlines runs the most flights (around 36% of all flights). Compare carriers, flight shares and schedules below.

United AirlinesUA
10x/week
WebsiteFleet: 956165M pax/year
- Direct flight SAN → IAD10x/week
  Duration
  4h 59m
  Days
  MTWTFSS
36.3%Open →
Alaska AirlinesAS
9x/week
WebsiteFleet: 31545M pax/year
- Direct flight SAN → DCA5x/week
  Duration
  5h 15m
  Days
  MTWTFSS
- Direct flight SAN → IAD5x/week
  Duration
  5h 10m
  Days
  MTWTFSS
35.0%Open →
Hawaiian AirlinesHA
6x/week
WebsiteFleet: 7511M pax/year
- Direct flight SAN → DCA6x/week
21.3%
American AirlinesAA
2x/week
WebsiteFleet: 965211M pax/year
- Direct flight SAN → IAD2x/week
  Duration
  5h 13m
  Days
  MTWTFSS
7.5%Open →

Cities and airports on the San Diego — Washington, D.C. route

Flights San Diego — Washington, D.C. depart from San Diego International Airport and arrive at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

San Diego

SAN

United States

About the city How to get there Weather All about the country United States

Arrival

Washington, D.C.

WAS

United States

About the city How to get there Weather All about the country United States

Departure airports

San Diego International AirportSAN
About the airport

Arrival airports

Washington Dulles International AirportIAD
About the airport
Baltimore/Washington International Thurgood Marshall AirportBWI
About the airport
Ronald Reagan National AirportDCA
About the airport

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Frequently asked questions about the San Diego — Washington, D.C. flight

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

A nonstop San Diego — Washington, D.C. flight takes about 5 h — the distance between the cities is around 3,661 km.

How far is it from San Diego to Washington, D.C.?

The distance from San Diego to Washington, D.C. is about 3,661 km, which a nonstop flight covers in around 5 h.

Are there direct flights from San Diego to Washington, D.C.?

Yes, there are nonstop flights San Diego — Washington, D.C. — around 80 flights per week.

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

Airlines operating San Diego — Washington, D.C. include United Airlines, Alaska Airlines, Hawaiian Airlines, American Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do San Diego — Washington, D.C. flights use?

Flights from San Diego depart from San Diego International Airport, and arrive at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport, Ronald Reagan National Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from San Diego to Washington, D.C.?

The price of a San Diego — Washington, D.C. ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in April. Tickets typically cost between $115 and $211. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights San Diego — Washington, D.C.?

Flights San Diego — Washington, D.C. are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from San Diego to Washington, D.C.?

To catch a low fare San Diego — Washington, D.C., book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Cheap flights from San Diego to Washington, D.C.

Flight deals from San Diego to Washington, D.C.

Top 10 cheap flights from San Diego to Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

Top 10 direct flights from San Diego to Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego to Washington, D.C.: departing soon

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

San Diego — Washington, D.C.

About the San Diego — Washington, D.C. flight

Facts about this route

Flight schedule from San Diego to Washington, D.C.

Flight ticket prices by day: San Diego — Washington, D.C.

Prices by month

When to fly

Temperature · Washington, D.C.

Dry and wet days · Washington, D.C.

Wind speed and direction · Washington, D.C.

We'll let you know if you need a visa

How to get the best deal on a San Diego — Washington, D.C. ticket

Cities and airports on the San Diego — Washington, D.C. route

San Diego

Washington, D.C.

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Where else you can fly from San Diego

Where else you can fly from Washington, D.C.

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