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

Flights overview

Useful information for finding cheap flights from San Diego to Washington, D.C. and booking your next trip

Cheapest round-trip flights	$215	Frontier 1 stop 8 hr Thu, May 28 — Wed, Jun 3	The cheapest round-trip flight from San Diego to Washington, D.C. is currently $215
Cheapest one-way flight	$105	Frontier 1 stop 8 hr Wed, May 27	The cheapest one-way flight from San Diego to Washington, D.C. is currently $105
Cheapest nonstop flights	$277	United Nonstop 5 hr Sat, May 30 — Sat, Jun 6	The cheapest nonstop round-trip flight from San Diego to Washington, D.C. is currently $277
Last-minute weekend getaway	$325	Frontier 1 stop 22 hr Fri, Apr 24 — Mon, Apr 27	The cheapest last-minute weekend getaway from San Diego to Washington, D.C. is currently $325
Cheapest business class flights	$463	Frontier 1 stop 8 hr Thu, May 28 — Wed, Jun 3	The cheapest business class round-trip flight from San Diego to Washington, D.C. is currently $463

Fastest flight	4 hr 50 min	The fastest nonstop flight from San Diego to Washington, D.C. takes 4 hr 50 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from San Diego to Washington, D.C. is typically September. The most expensive month to fly is typically July.

September Cheapest	Typical prices: $165–245
July Most expensive	Typical prices: $240–310

Popular airlines from San Diego to Washington, D.C.

Southwest

Nonstop

from $280

Typical price: $270–540

24 weekly nonstop flights

SAN - BWI Every day

2162 weekly connecting flights

SAN - BWI, DCA, IAD Every day
United

Nonstop

from $261

Typical price: $255–490

19 weekly nonstop flights

SAN - IAD Every day

1110 weekly connecting flights

SAN - BWI, DCA, IAD Every day
Delta

from $261

Typical price: $285–610

864 weekly connecting flights

SAN - BWI, DCA, IAD Every day
American

from $265

Typical price: $275–540

823 weekly connecting flights

SAN - BWI, DCA, IAD Every day
Alaska

Nonstop

from $297

Typical price: $275–630

14 weekly nonstop flights

SAN - DCA, IAD Every day

78 weekly connecting flights

SAN - BWI, DCA, IAD Every day
Frontier

from $215

Typical price: $200–465

71 weekly connecting flights

SAN - BWI, DCA, IAD Every day

Popular airports near San Diego

San Diego International Airport (SAN)

San Diego United States 10 min 2 mi
Tijuana International Airport (TIJ)

Tijuana Mexico 37 min 16 mi
Los Angeles International Airport (LAX)

Los Angeles United States 2 hr 2 min 111 mi
John Wayne Airport (SNA)

Santa Ana United States 1 hr 21 min 78 mi

Popular airports near Washington, D.C.

Ronald Reagan Washington National Airport (DCA)

Washington United States 19 min 4 mi
Dulles International Airport (IAD)

Washington United States 54 min 22 mi
Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)

Baltimore United States 47 min 27 mi
Philadelphia International Airport (PHL)

Philadelphia United States 2 hr 18 min 116 mi

Frequently asked questions about flying from San Diego to Washington, D.C.

The cheapest flights from San Diego to Washington, D.C. are usually in September. Typical ticket prices in September range from $165 to $245.

The cheapest round-trip flight from San Diego to Washington, D.C. recently found on Google Flights was with Frontier from $215. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from San Diego to Washington, D.C. is $280, flying from May 28 to Jun 3.
The cheapest United flight from San Diego to Washington, D.C. is $261, flying from May 28 to Jun 3.
The cheapest Delta flight from San Diego to Washington, D.C. is $261, flying from May 28 to Jun 3.
The cheapest American flight from San Diego to Washington, D.C. is $265, flying from May 14 to May 23.
The cheapest Alaska flight from San Diego to Washington, D.C. is $297, flying from May 28 to Jun 3.
The cheapest Frontier flight from San Diego to Washington, D.C. is $215, flying from May 28 to Jun 3.

The cheapest round-trip flight from San Diego to Washington, D.C. starts at $215 from Thu, May 28 to Wed, Jun 3. The cheapest one-way flight starts at $105 and departs on Wed, May 27.

4 hr 50 min is the shortest flight time from San Diego to Washington, D.C..

Mid-Mar–Jun is Washington DC's busiest time, with many people timing their visits to coincide with cherry blossom season (late Mar–mid Apr). Washington DC’s conference centers and hotels also bustle while Congress is in session (Sep–Nov and mid-Jan–Jun). Jul–Aug tend to be hot and humid, while snowfall can vary widely in winter. The city’s most popular events are the annual Cherry Blossom Festival in spring, the 4th of July celebration in summer, and the lighting of the National Christmas Tree in winter.

It's easy to use Google Flights to find the cheapest days to fly from San Diego to Washington, D.C..
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from San Diego to Washington, D.C. really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from San Diego to Washington, D.C..

In terms of nonstop flights, Southwest is the most popular. Southwest offers 24 nonstop flights and 2,162 connecting flights per week. Southwest flies from San Diego International Airport (SAN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

Other popular airlines flying from San Diego to Washington, D.C. are:

United offers 19 nonstop flights and 1,110 connecting flights per week. United flies from San Diego International Airport (SAN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
Delta offers 864 connecting flights per week. Delta flies from San Diego International Airport (SAN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
American offers 823 connecting flights per week. American flies from San Diego International Airport (SAN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
Alaska offers 14 nonstop flights and 78 connecting flights per week. Alaska flies from San Diego International Airport (SAN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
Frontier offers 71 connecting flights per week. Frontier flies from San Diego International Airport (SAN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

The number of connecting flights refers to distinct flights with at least one stop between San Diego and Washington, D.C..

The cheapest round-trip flight from San Diego to Washington, D.C. recently found on Google Flights was with Frontier from $215. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from San Diego to Washington, D.C. is $280, flying from May 28 to Jun 3.
The cheapest United flight from San Diego to Washington, D.C. is $261, flying from May 28 to Jun 3.
The cheapest Delta flight from San Diego to Washington, D.C. is $261, flying from May 28 to Jun 3.
The cheapest American flight from San Diego to Washington, D.C. is $265, flying from May 14 to May 23.
The cheapest Alaska flight from San Diego to Washington, D.C. is $297, flying from May 28 to Jun 3.
The cheapest Frontier flight from San Diego to Washington, D.C. is $215, flying from May 28 to Jun 3.

Southwest, Alaska and United fly direct from San Diego to Washington, D.C..

There are 24 Southwest direct flights from San Diego to Washington, D.C. per week. Flights are available every day.
There are 19 United direct flights from San Diego to Washington, D.C. per week. Flights are available every day.
There are 14 Alaska direct flights from San Diego to Washington, D.C. per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between San Diego and Washington, D.C. at price $325 is offered by Frontier from Fri, Apr 24 to Mon, Apr 27.

Southwest, Alaska and United fly direct from San Diego to Washington, D.C..

There are 24 Southwest direct flights from San Diego to Washington, D.C. per week. Flights are available every day.
There are 19 United direct flights from San Diego to Washington, D.C. per week. Flights are available every day.
There are 14 Alaska direct flights from San Diego to Washington, D.C. per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from San Diego to Washington, D.C. on a daily basis.

The cheapest direct (nonstop) round-trip flights between San Diego and Washington, D.C. start at $277 from Sat, May 30 to Sat, Jun 6 with United.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Diego to Washington, D.C., just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between San Diego and Washington, D.C. start at $463 from Thu, May 28 to Wed, Jun 3 with Frontier.

The cheapest economy class round-trip flights between San Diego and Washington, D.C. start at $215 from Thu, May 28 to Wed, Jun 3.

To book business class trips from San Diego to Washington, D.C., look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between San Diego and Washington, D.C. starts at $325 from Fri, Apr 24 to Mon, Apr 27 with Frontier.

The cheapest last-minute deal between San Diego and Washington, D.C. at price $325 is offered by Frontier from Fri, Apr 24 to Mon, Apr 27.

To find last-minute flight deals from San Diego to Washington, D.C., start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.