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District of Columbia

$85+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — IAD
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
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 August 21, 2025.

Round-trip from

$223
(Booking.com)

One-way from

$85
(CheapOair)

Popular in

July

Cheapest in

September

Average price

$318

Good round-trip deal

$277 or less

Good one-way deal

$188 or less
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. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 21, 2025.

This CheapOair deal was found by Cheapflights users on 8/20. 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.
Thu 8/2811:25 amSAN - IAD
1 stop16h 05mFrontier
Mon 9/810:17 amIAD - SAN
1 stop10h 37mFrontier
Deal found 8/20$221
This Booking.com deal was found by Cheapflights users on 8/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/59:03 pmSAN - DCA
1 stop12h 07mFrontier
Sun 10/127:00 amDCA - SAN
1 stop29h 57mFrontier
Deal found 8/21$223
This CheapOair deal was found by Cheapflights users on 8/19. 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.
Tue 9/26:25 amSAN - DCA
1 stop26h 46mFrontier
Wed 9/247:00 amDCA - SAN
1 stop18h 24mFrontier
Deal found 8/19$224
This CheapOair deal was found by Cheapflights users on 8/19. 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.
Fri 10/107:43 pmSAN - IAD
1 stop13h 16mFrontier
Mon 10/1310:04 amIAD - SAN
1 stop11h 44mFrontier
Deal found 8/19$224
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 9/237:15 amSAN - DCA
1 stop11h 44mFrontier
Sun 9/287:00 amDCA - SAN
1 stop31h 09mFrontier
Deal found 8/21$225
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Sat 9/137:15 amSAN - DCA
1 stop11h 44mFrontier
Mon 9/156:00 pmDCA - SAN
1 stop8h 53mFrontier
Deal found 8/20$226
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Sat 9/67:15 amSAN - DCA
1 stop11h 44mFrontier
Sat 9/136:00 pmDCA - SAN
1 stop20h 09mFrontier
Deal found 8/20$227
This Trip.com deal was found by Cheapflights users on 8/20. 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.
Sat 10/48:30 amSAN - IAD
Nonstop5h 12mHawaiian Airlines
Sat 10/115:42 pmIAD - SAN
Nonstop5h 38mHawaiian Airlines
Deal found 8/20$229
This Kiwi.com deal was found by Cheapflights users on 8/21. 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.
Sun 9/219:03 pmSAN - DCA
1 stop12h 07mFrontier
Sun 9/287:00 amDCA - SAN
1 stop31h 09mFrontier
Deal found 8/21$230
This Aunt Betty deal was found by Cheapflights users on 8/19. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:30 amSAN - IAD
Nonstop5h 12mAlaska Airlines
Sat 10/115:42 pmIAD - SAN
Nonstop5h 38mAlaska Airlines
Deal found 8/19$230
This CheapOair deal was found by Cheapflights users on 8/19. 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.
Tue 8/266:25 amSAN - DCA
1 stop12h 34mFrontier
Wed 8/277:00 amDCA - SAN
1 stop18h 08mFrontier
Deal found 8/19$231
This Orbitz deal was found by Cheapflights users on 8/19. 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 9/201:41 pmSAN - DCA
Nonstop5h 18mMultiple Airlines
Mon 9/297:00 amDCA - SAN
1 stop7h 09mMultiple Airlines
Deal found 8/19$233

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 August 21, 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

Thu 8/28

11:25 am-6:30 am

1 stop16h 05m

Washington, D.C. Dulles Intl

Mon 9/8

10:17 am-5:54 pm

1 stop10h 37m

$221

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sun 10/5

9:03 pm-12:10 pm

1 stop12h 07m

Washington, D.C. Reagan-National

Sun 10/12

7:00 am-9:57 am

1 stop29h 57m

$223

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Thu 10/2

6:35 am-9:59 pm

1 stop12h 24m

Washington, D.C. Reagan-National

Thu 10/9

1:00 pm-11:50 pm

1 stop13h 50m

$224

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Fri 10/10

1:06 pm-9:59 pm

1 stop29h 53m

Washington, D.C. Reagan-National

Sun 10/12

1:00 pm-9:57 am

1 stop23h 57m

$224

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Fri 8/29

9:11 pm-12:11 pm

1 stop12h 00m

Washington, D.C. Reagan-National

Fri 9/5

6:00 pm-11:53 pm

1 stop8h 53m

$224

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Sun 10/5

6:35 am-12:10 pm

1 stop26h 35m

Washington, D.C. Reagan-National

Mon 10/13

7:00 am-11:50 pm

1 stop19h 50m

$224

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Wed 11/12

6:41 am-9:59 pm

1 stop12h 18m

Washington, D.C. Reagan-National

Thu 11/27

1:00 pm-11:59 pm

1 stop13h 59m

$224

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Tue 9/2

6:25 am-12:11 pm

1 stop26h 46m

Washington, D.C. Reagan-National

Wed 9/24

7:00 am-10:24 pm

1 stop18h 24m

$224

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Fri 10/10

9:03 pm-9:59 pm

1 stop21h 56m

Washington, D.C. Reagan-National

Mon 10/13

7:00 am-8:08 pm

1 stop16h 08m

$224

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Fri 11/7

6:41 am-5:01 pm

1 stop7h 20m

Washington, D.C. Reagan-National

Fri 12/5

6:00 pm-12:01 am

1 stop9h 01m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 40 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, July is the cheapest month in which you can book a flight from San Diego to District of Columbia (average of $303). Flying from San Diego to District of Columbia in April is currently the most expensive (average of $337). 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 August 21, 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.

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 August 21, 2025.

The most flights from SAN to USDC are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, 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 August 21, 2025.
See what other customers who have flown with Alaska Airlines, Hawaiian Airlines, and United 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
10,000 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,672 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,934 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.8
Fair
3,207 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Frontier, Alaska Airlines, and United Airlines fly from San Diego to District of Columbia in about 4h 58m. The time it takes to get you to your destination can typically vary by up to 11h 07m. 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 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 Austrian Airlines (80%), Brussels Airlines (80%) or United Airlines (80%) 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 $881, our data indicates the cheapest price to be $138. The most popular route (San Diego - Washington, D.C. Dulles Intl), is priced around $216.

  • 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, July is the cheapest month in which you can book a flight from San Diego to District of Columbia (average of $303). Flying from San Diego to District of Columbia in April is currently the most expensive (average of $337). 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.

See more FAQs

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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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$255FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$145Average$294FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$158Average$357FlexibilityNo cancel feeOn-time85%
DeltaCheapest$198Average$388FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$236Average$364FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$237Average$436FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$256Average$475FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$256Average$448FlexibilityNo cancel feeOn-time71%

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