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District of Columbia

$130+ Cheap flights from San Diego (SAN) to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — IAD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from San Diego to District of Columbia

Keep the following information in mind while searching for San Diego to District of Columbia flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$252
(United Airlines)

One-way from

$130
(CheapOair)

Popular in

March

Cheapest in

August

Average price

$419

Good round-trip deal

$287 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for San Diego-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for San Diego-Washington, D.C. (WAS) flights.
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From San Diego to District of Columbia
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One-way flight from San Diego to District of Columbia
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Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from San Diego to District of Columbia.
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Price to beat on a one-way flight from San Diego to District of Columbia.
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Find flight deals from San Diego to District of Columbia

Cheapest flights from San Diego to District of Columbia
Explore the most affordable flight options available from San Diego to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3010:59 amSAN - IAD
1 stop7h 02mUnited Airlines
Sat 5/31:20 pmIAD - SAN
1 stop8h 31mUnited Airlines
Deal found 3/27$252
This Trip.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:38 amSAN - DCA
1 stop8h 21mFrontier
Wed 5/77:00 amDCA - SAN
1 stop8h 23mFrontier
Deal found 3/27$253
This American Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/179:25 amSAN - DCA
1 stop8h 35mAmerican Airlines
Sat 5/3110:37 amDCA - SAN
1 stop8h 16mAmerican Airlines
Deal found 3/28$255
This American Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/171:48 pmSAN - IAD
1 stop7h 14mAmerican Airlines
Sat 5/315:02 amIAD - SAN
1 stop7h 06mAmerican Airlines
Deal found 3/28$255
This Alaska Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:15 amSAN - IAD
1 stop9h 44mAlaska Airlines
Wed 6/47:59 pmIAD - SAN
1 stop14h 40mAlaska Airlines
Deal found 3/28$256
This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/308:30 amSAN - IAD
Nonstop5h 08mHawaiian Airlines
Mon 5/55:00 pmIAD - SAN
Nonstop5h 43mHawaiian Airlines
Deal found 3/27$261
This Orbitz deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/261:57 pmSAN - DCA
Nonstop5h 02mMultiple Airlines
Sat 5/37:00 amDCA - SAN
1 stop8h 17mMultiple Airlines
Deal found 3/27$263
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2510:16 amSAN - DCA
1 stop7h 40mUnited Airlines
Tue 6/37:00 amDCA - SAN
1 stop8h 28mUnited Airlines
Deal found 3/28$272
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/231:57 pmSAN - DCA
Nonstop5h 02mAlaska Airlines
Wed 4/309:59 amDCA - SAN
Nonstop5h 40mAlaska Airlines
Deal found 3/27$277
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/307:05 amSAN - DCA
2 stops10h 50mSouthwest
Sat 5/36:30 amDCA - SAN
1 stop8h 05mSouthwest
Deal found 3/27$282
This Southwest deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/298:45 amSAN - IAD
2 stops10h 50mSouthwest
Tue 5/65:30 pmIAD - SAN
1 stop7h 35mSouthwest
Deal found 3/28$282
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2312:10 pmSAN - DCA
1 stop6h 50mDelta
Sun 4/276:00 amDCA - SAN
1 stop7h 41mDelta
Deal found 3/28$287

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from San Diego to District of Columbia that are best for you.

Fly from

San Diego

Fly to

District of Columbia

Route

Depart

Return

Price

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 4/30

10:59 am-9:01 pm

1 stop7h 02m

Washington, D.C. Dulles Intl

Sat 5/3

1:20 pm-6:51 pm

1 stop8h 31m

$252

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Thu 5/1

10:38 am-9:59 pm

1 stop8h 21m

Washington, D.C. Reagan-National

Wed 5/7

7:00 am-12:23 pm

1 stop8h 23m

$253

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sat 5/17

9:25 am-9:00 pm

1 stop8h 35m

Washington, D.C. Reagan-National

Sat 5/31

10:37 am-3:53 pm

1 stop8h 16m

$255

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 5/17

1:48 pm-12:02 am

1 stop7h 14m

Washington, D.C. Dulles Intl

Sat 5/31

5:02 am-9:08 am

1 stop7h 06m

$255

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 5/24

6:15 am-6:59 pm

1 stop9h 44m

Washington, D.C. Dulles Intl

Wed 5/28

7:59 pm-7:39 am

1 stop14h 40m

$256

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 4/30

8:30 am-4:38 pm

Nonstop5h 08m

Washington, D.C. Dulles Intl

Mon 5/5

5:00 pm-7:43 pm

Nonstop5h 43m

$261

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sat 4/26

1:57 pm-9:59 pm

Nonstop5h 02m

Washington, D.C. Reagan-National

Sat 5/3

7:00 am-12:17 pm

1 stop8h 17m

$263

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sun 5/25

10:16 am-8:56 pm

1 stop7h 40m

Washington, D.C. Reagan-National

Tue 6/3

7:00 am-12:28 pm

1 stop8h 28m

$272

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Wed 4/23

1:57 pm-9:59 pm

Nonstop5h 02m

Washington, D.C. Reagan-National

Wed 4/30

9:59 am-12:39 pm

Nonstop5h 40m

$277

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Wed 4/30

7:05 am-8:55 pm

2 stops10h 50m

Washington, D.C. Reagan-National

Sat 5/3

6:30 am-11:35 am

1 stop8h 05m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 37 results
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Best time to book a flight from San Diego to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to District of Columbia

What is the cheapest month to book a flight from San Diego to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from San Diego to District of Columbia (average of $309). Flying from San Diego to District of Columbia in June is currently the most expensive (average of $385). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to DC?

Find hourly flight availability from San Diego to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

When flying from San Diego to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated March 28, 2025.
To help decide which airline to fly from San Diego to District of Columbia, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from San Diego to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to District of Columbia?

    If you book a flight to District of Columbia from San Diego, you will be flying from San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego.

  • What are the cheapest airlines to fly from San Diego to District of Columbia one-way?

    The cheapest airlines for a one-way flight from San Diego to District of Columbia are Frontier ($130), JetBlue ($134), and Alaska Airlines ($139).

  • What are the most reliable airlines from San Diego to District of Columbia?

    No one likes to see their flight delayed. When booking a flight from San Diego to District of Columbia consider choosing United Airlines (95%), Ethiopian Air (95%) or Brussels Airlines (92%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Diego to District of Columbia?

    Looking for the cheapest flight from San Diego to District of Columbia? While on average our users pay $1,268, our data indicates the cheapest price to be $118. The most popular route (San Diego - Washington, D.C. Reagan-National), is priced around $247.

  • Can I find deals for flights from San Diego to District of Columbia that include hotel bookings?

    Yes. In addition to deals on San Diego to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to District of Columbia.

  • Can I find deals for business class flights from San Diego to District of Columbia?

    Yes. Cheapflights offers flight deals from San Diego to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from San Diego to District of Columbia (average of $309). Flying from San Diego to District of Columbia in June is currently the most expensive (average of $385). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 9 airlines flying from San Diego to District of Columbia

Discover the top 9 airlines that operate flights from San Diego to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$64Average$237FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$222FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$157Average$452FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$158Average$302FlexibilityNo cancel feeOn-time85%
DeltaCheapest$179Average$370FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$235Average$445FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$236Average$409FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$252Average$432FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$291Average$521FlexibilityNo cancel feeOn-time63%
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