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District of Columbia

$142+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — IAD
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap 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 February 4, 2026.

This United Airlines deal was found by Cheapflights users on 2/3. 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 5/69:45 pm
SAN
-
IAD
Nonstop4h 58m
United Airlines
Sat 5/99:27 am
IAD
-
SAN
1 stop9h 38m
United Airlines
Deal found 2/3$223
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:47 am
SAN
-
DCA
1 stop10h 12m
Frontier
Sun 4/127:00 am
DCA
-
SAN
1 stop16h 26m
Frontier
Deal found 2/2$224
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:49 pm
SAN
-
DCA
2 stops17h 26m
Frontier
Tue 3/32:00 pm
DCA
-
SAN
1 stop10h 41m
Frontier
Deal found 2/4$225
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:25 am
SAN
-
DCA
1 stop27h 50m
Frontier
Fri 2/276:00 pm
DCA
-
SAN
1 stop9h 08m
Frontier
Deal found 2/4$226
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 2/2610:15 pm
SAN
-
IAD
Nonstop4h 49m
United Airlines
Tue 3/35:54 pm
IAD
-
SAN
Nonstop5h 52m
United Airlines
Deal found 2/3$227
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:18 pm
SAN
-
DCA
1 stop12h 44m
Frontier
Thu 3/126:00 pm
DCA
-
SAN
1 stop9h 08m
Frontier
Deal found 2/3$228
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:38 pm
SAN
-
DCA
2 stops19h 22m
Frontier
Sat 2/282:00 pm
DCA
-
SAN
1 stop13h 08m
Frontier
Deal found 2/4$229
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:55 am
SAN
-
IAD
1 stop8h 24m
Multiple Airlines
Tue 5/196:42 pm
IAD
-
SAN
Nonstop5h 47m
Multiple Airlines
Deal found 2/3$229
This Trip.com deal was found by Cheapflights users on 2/3. 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.
Wed 2/117:11 am
SAN
-
DCA
1 stop27h 04m
Frontier
Sat 2/216:00 pm
DCA
-
SAN
1 stop9h 08m
Frontier
Deal found 2/3$230
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:00 am
SAN
-
DCA
2 stops26h 15m
Frontier
Sun 3/16:00 pm
DCA
-
SAN
1 stop9h 08m
Frontier
Deal found 2/4$231
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/146:25 am
SAN
-
DCA
1 stop7h 34m
Frontier
Tue 2/178:00 am
DCA
-
SAN
1 stop16h 41m
Frontier
Deal found 2/3$232
This Frontier deal was found by Cheapflights users on 2/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:23 pm
SAN
-
DCA
1 stop6h 36m
Frontier
Fri 3/62:00 pm
DCA
-
SAN
1 stop9h 33m
Frontier
Deal found 2/2$233

Find 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$223
(United Airlines)

One-way from

$142
(Kiwi.com)

Popular in

July

Cheapest in

August

Average price

$354

Good round-trip deal

$266 or less

Good one-way deal

$178 or less
Provider with most accurate pricing for San Diego-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Washington, D.C. (WAS) flights.
Search Deals
From San Diego to District of Columbia
Search Deals
One-way flight from San Diego to District of Columbia
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from San Diego to District of Columbia.
Search Deals
Price to beat on a one-way flight from San Diego to District of Columbia.
Search Deals

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 February 4, 2026.
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 3/4

9:28 am-5:27 pm

Nonstop4h 59m

Washington, D.C. Dulles Intl

Sun 3/8

6:20 pm-9:19 pm

Nonstop5h 59m

$227

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Tue 2/24

9:28 am-5:27 pm

Nonstop4h 59m

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-4:46 pm

1 stop12h 41m

$227

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Fri 4/10

9:45 pm-5:44 am

Nonstop4h 59m

Washington, D.C. Dulles Intl

Sat 4/18

5:55 pm-8:46 pm

Nonstop5h 51m

$237

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Fri 5/1

12:55 pm-9:00 pm

Nonstop5h 05m

Washington, D.C. Dulles Intl

Tue 5/5

5:55 pm-8:45 pm

Nonstop5h 50m

$237

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 3/18

9:20 am-5:22 pm

Nonstop5h 02m

Washington, D.C. Dulles Intl

Mon 3/23

6:22 pm-9:22 pm

Nonstop6h 00m

$237

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Tue 4/28

8:35 am-11:00 pm

2 stops11h 25m

Washington, D.C. Reagan-National

Tue 5/5

5:20 pm-9:40 pm

1 stop7h 20m

$238

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Tue 4/28

12:15 pm-11:40 pm

2 stops8h 25m

Washington, D.C. Dulles Intl

Tue 5/5

4:30 pm-9:45 pm

1 stop8h 15m

$242

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Tue 7/14

10:30 pm-8:37 am

1 stop7h 07m

Washington, D.C. Reagan-National

Tue 7/28

10:00 am-2:08 pm

1 stop7h 08m

$257

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sat 5/16

10:15 pm-8:37 am

1 stop7h 22m

Washington, D.C. Reagan-National

Wed 6/3

6:10 am-10:08 am

1 stop6h 58m

$257

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 3/14

11:15 am-11:48 pm

1 stop9h 33m

Washington, D.C. Dulles Intl

Wed 3/18

12:47 pm-6:51 pm

1 stop9h 04m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 42 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, June is the cheapest month in which you can book a flight from San Diego to District of Columbia (average of $99). Flying from San Diego to District of Columbia in December is currently the most expensive (average of $186). 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 February 4, 2026.

A simple way to save on the total cost of your ticket is to fly from San Diego to District of Columbia in the afternoon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from San Diego to District of Columbia?

Use this chart to determine the cheapest time to fly round-trip from San Diego to District of Columbia. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their San Diego to District of Columbia flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Diego to District of Columbia

Explore weekly flight availability from San Diego to District of Columbia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 4, 2026.

The most flights from SAN to USDC are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

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 February 4, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Hawaiian Airlines from San Diego to District of Columbia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,839 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,839 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,274 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,831 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,236 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,052 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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.

  • How long is the flight from San Diego to District of Columbia?

    Airlines like Alaska Airlines, United Airlines, and Southwest fly from San Diego to District of Columbia in about 4h 59m. The time it takes to get you to your destination can typically vary by up to 6h 26m. The distance from San Diego to District of Columbia is about 2248 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 ($72), Spirit Airlines ($97), and Southwest ($108).

  • 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 Ethiopian Air (89%), Brussels Airlines (89%) or American Airlines (88%) 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 $767, our data indicates the cheapest price to be $138. The most popular route (San Diego - Washington, D.C. Dulles Intl), is priced around $197.

  • 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, June is the cheapest month in which you can book a flight from San Diego to District of Columbia (average of $99). Flying from San Diego to District of Columbia in December is currently the most expensive (average of $186). 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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Alternative routes for San Diego to District of Columbia

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Top 8 airlines flying from San Diego to District of Columbia

Discover the top 8 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$256FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$115Average$233FlexibilityNo cancel feeOn-time65%
DeltaCheapest$138Average$392FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$158Average$343FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$197Average$344FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$216Average$417FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$221Average$411FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$447FlexibilityNo cancel feeOn-time71%

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