What are the cheapest airlines flying from San Diego to Washington, D.C. Dulles Intl Airport round-trip?

Flying on Hawaiian Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $237. Additional round-trip tickets that might be worth considering are offered by Frontier and Alaska Airlines, with the lowest prices starting at $239 and $247, respectively. These flights start at 40% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from San Diego to Washington, D.C. Dulles Intl Airport one-way?

For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $119. Users have also found prices from $123 and $124 on Frontier and United Airlines, respectively.

What are the cheapest flights from San Diego to Washington, D.C. Dulles Intl Airport?

The cheapest flight price from San Diego to Washington, D.C. Dulles Intl Airport is $158. On average you can expect to pay $1,139. The most popular route, (San Diego - Washington, D.C. Dulles Intl), can usually be booked for $231.

What are the most reliable airlines from San Diego to Washington, D.C. Dulles Intl Airport?

The top 3 most reliable airlines when flying from San Diego to Washington, D.C. Dulles Intl Airport are American Airlines (90%), Qatar Airways (90%) and Alaska Airlines (90%).

What are the most popular airlines that fly from San Diego to Washington, D.C. Dulles Intl Airport?

American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from San Diego to Washington, D.C. Dulles Intl Airport.

What is the cheapest day to fly round-trip from San Diego to Washington, D.C. Dulles Intl Airport?

Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 54% on the overall cost on flights from San Diego to Washington, D.C. Dulles Intl Airport.

What is the cheapest month to fly from San Diego to Washington, D.C. Dulles Intl Airport?

August can be a great time to fly to Washington, D.C. Dulles Intl Airport from San Diego with a flight ticket averaging about $364. Cheapflights users have found deals in the month of August for as cheap as $79. The most expensive prices can be found in the month of November.

What airport do you fly from for flights from San Diego to Washington, D.C. Dulles Intl?

Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from San Diego. Booking flights from San Diego (SAN) to Washington, D.C. Dulles Intl should be relatively easy as there are 9 daily outbound flights to Washington, D.C. Dulles Intl from 8 different airlines.

Can I find deals for flights from San Diego to Dulles Intl that include hotel bookings?

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

How can I find direct flights from San Diego to Dulles Intl?

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

Can I find deals for business class flights from San Diego to Dulles Intl?

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

$119+ Flights from San Diego to Washington, D.C. Dulles Intl Airport

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Cheapflights Tip: The best prices from San Diego to Washington, D.C. Dulles Intl are usually found in August or February, booked 90 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from San Diego to Dulles Intl

Round-trip from	$237 (Hawaiian Airlines)
One-way from	$119 (Alaska Airlines)
Popular in	November
Cheapest in	August
Average price	$437
Good round-trip deal	$342 or less
Good one-way deal	$184 or less

From San Diego to Washington, D.C. Dulles Intl

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One-way flight from San Diego to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from San Diego to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from San Diego to Washington, D.C. Dulles Intl.

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Find flight deals from San Diego to Dulles Intl

Cheapest flights from San Diego to Dulles Intl
Explore the most affordable flight options available from San Diego to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Wed 9/248:33 amSAN - IAD

Nonstop5h 14mAlaska Airlines

Sat 9/275:52 pmIAD - SAN

Nonstop5h 27mAlaska Airlines

Deal found 6/10

$237

Wed 7/26:51 pmSAN - IAD

1 stop8h 39mFrontier

Wed 7/167:30 amIAD - SAN

1 stop13h 49mFrontier

Deal found 6/11

$239

Wed 9/179:45 pmSAN - IAD

Nonstop4h 58mUnited Airlines

Sat 9/2012:35 pmIAD - SAN

1 stop8h 48mUnited Airlines

Deal found 6/10

$243

Wed 9/249:30 amSAN - IAD

1 stop11h 50mHawaiian Airlines

Sat 9/275:52 pmIAD - SAN

Nonstop5h 27mHawaiian Airlines

Deal found 6/10

$247

Sat 8/3011:55 amSAN - IAD

1 stop7h 55mSouthwest

Sat 9/63:50 pmIAD - SAN

1 stop8h 10mSouthwest

Deal found 6/9

$257

Thu 9/2510:15 pmSAN - IAD

1 stop7h 34mDelta

Mon 9/295:00 pmIAD - SAN

1 stop8h 06mDelta

Deal found 6/10

$297

Mon 11/246:07 pmSAN - IAD

1 stop14h 37mSun Country Air

Fri 11/2812:26 pmIAD - SAN

1 stop7h 41mSun Country Air

Deal found 6/10

$315

Wed 6/256:15 amSAN - IAD

1 stop21h 15mMultiple Airlines

Sat 6/287:30 amIAD - SAN

1 stop8h 47mMultiple Airlines

Deal found 6/11

$344

Best flights from San Diego to Dulles Intl
Discover carefully curated flight deals from San Diego to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Tue 8/1910:48 amSAN - IAD

Nonstop5h 11mHawaiian Airlines

Wed 8/275:52 pmIAD - SAN

Nonstop5h 27mHawaiian Airlines

Deal found 6/10

$237

Wed 7/26:51 pmSAN - IAD

1 stop8h 39mFrontier

Wed 7/167:30 amIAD - SAN

1 stop13h 49mFrontier

Deal found 6/11

$239

Sat 8/308:33 amSAN - IAD

Nonstop5h 14mAlaska Airlines

Sat 9/66:09 pmIAD - SAN

1 stop19h 05mAlaska Airlines

Deal found 6/9

$247

Wed 8/206:45 amSAN - IAD

1 stop7h 30mSouthwest

Tue 8/262:25 pmIAD - SAN

2 stops9h 35mSouthwest

Deal found 6/11

$262

Fri 8/2210:40 pmSAN - IAD

1 stop9h 52mDelta

Sun 8/246:00 amIAD - SAN

1 stop7h 08mDelta

Deal found 6/9

$297

Wed 7/911:58 amSAN - IAD

1 stop7h 20mUnited Airlines

Fri 7/1112:40 pmIAD - SAN

Nonstop5h 14mUnited Airlines

Deal found 6/11

$323

Wed 6/256:15 amSAN - IAD

1 stop21h 15mMultiple Airlines

Sat 6/287:30 amIAD - SAN

1 stop8h 47mMultiple Airlines

Deal found 6/11

$344

Last-minute flights from San Diego to Dulles Intl
Discover last-minute flight deals from San Diego to Dulles Intl. Data last updated June 12, 2025 and is based on user searches.

Tue 6/177:06 pmSAN - IAD

1 stop8h 24mMultiple Airlines

Sun 8/31:28 pmIAD - SAN

1 stop30h 09mMultiple Airlines

Deal found 6/11

$404

Tue 6/1710:48 amSAN - IAD

Nonstop5h 11mAlaska Airlines

Mon 8/45:25 pmIAD - SAN

Nonstop5h 27mAlaska Airlines

Deal found 6/10

$457

Thu 6/196:51 pmSAN - IAD

1 stop8h 39mFrontier

Tue 6/247:30 amIAD - SAN

1 stop13h 36mFrontier

Deal found 6/12

$338

Thu 6/1911:15 amSAN - IAD

1 stop7h 05mUnited Airlines

Thu 7/176:13 pmIAD - SAN

Nonstop5h 27mUnited Airlines

Deal found 6/12

$467

Thu 6/1912:00 pmSAN - IAD

2 stops8h 30mSouthwest

Mon 6/235:50 pmIAD - SAN

1 stop8h 15mSouthwest

Deal found 6/9

$572

Thu 6/1910:48 amSAN - IAD

Nonstop5h 11mAmerican Airlines

Tue 6/245:25 pmIAD - SAN

Nonstop5h 27mAmerican Airlines

Deal found 6/10

$617

Fri 6/2010:48 amSAN - IAD

Nonstop5h 11mHawaiian Airlines

Wed 6/255:25 pmIAD - SAN

Nonstop5h 27mHawaiian Airlines

Deal found 6/9

$538

Sun 6/225:37 pmSAN - IAD

1 stop15h 42mSun Country Air

Wed 6/2512:40 pmIAD - SAN

1 stop7h 21mSun Country Air

Deal found 6/10

$685

Wed 7/26:51 pmSAN - IAD

1 stop8h 39mFrontier

Wed 7/167:30 amIAD - SAN

1 stop13h 49mFrontier

Deal found 6/11

$239

Fri 7/410:41 amSAN - IAD

1 stop7h 14mUnited Airlines

Fri 7/1112:40 pmIAD - SAN

Nonstop5h 14mUnited Airlines

Deal found 6/12

$323

Wed 7/236:15 amSAN - IAD

3 stops25h 53mMultiple Airlines

Mon 7/2810:13 amIAD - SAN

3 stops39h 53mMultiple Airlines

Deal found 6/10

$365

Thu 7/3110:48 amSAN - IAD

Nonstop5h 11mHawaiian Airlines

Tue 8/125:25 pmIAD - SAN

Nonstop5h 27mHawaiian Airlines

Deal found 6/10

$277

One-way flights from San Diego to Dulles Intl
Search for one-way flight options from San Diego to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Wed 8/1310:48 amSAN - IAD

Nonstop5h 11mAlaska Airlines

Deal found 6/10

$119

Wed 7/26:15 amSAN - IAD

1 stop21h 15mMultiple Airlines

Deal found 6/11

$122

Thu 8/141:03 pmSAN - IAD

1 stop14h 31mFrontier

Deal found 6/12

$123

Tue 8/1211:58 amSAN - IAD

1 stop7h 20mUnited Airlines

Deal found 6/10

$124

Tue 11/48:40 amSAN - IAD

2 stops10h 30mSouthwest

Deal found 6/10

$134

Sun 9/78:33 amSAN - IAD

Nonstop5h 14mHawaiian Airlines

Deal found 6/10

$139

Mon 7/1411:00 pmSAN - IAD

1 stop10h 31mSun Country Air

Deal found 6/10

$150

Fri 7/185:00 pmSAN - IAD

2 stops24h 53mAllegiant Air

Deal found 6/11

$171

Mon 6/3010:48 amSAN - IAD

Nonstop5h 11mAmerican Airlines

Deal found 6/12

$269

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 9/24

8:33 am-4:47 pm

Nonstop5h 14m

Washington, D.C. Dulles Intl

Sat 9/27

5:52 pm-8:19 pm

Nonstop5h 27m

$237

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 7/2

6:51 pm-6:30 am

1 stop8h 39m

Washington, D.C. Dulles Intl

Wed 7/16

7:30 am-6:19 pm

1 stop13h 49m

$239

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 9/17

9:45 pm-5:43 am

Nonstop4h 58m

Washington, D.C. Dulles Intl

Sat 9/20

12:35 pm-6:23 pm

1 stop8h 48m

$243

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 9/24

9:30 am-12:20 am

1 stop11h 50m

Washington, D.C. Dulles Intl

Sat 9/27

5:52 pm-8:19 pm

Nonstop5h 27m

$247

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 8/30

11:55 am-10:50 pm

1 stop7h 55m

Washington, D.C. Dulles Intl

Sat 9/6

3:50 pm-9:00 pm

1 stop8h 10m

$257

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Thu 9/25

10:15 pm-8:49 am

1 stop7h 34m

Washington, D.C. Dulles Intl

Mon 9/29

5:00 pm-10:06 pm

1 stop8h 06m

$297

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Mon 11/24

6:07 pm-11:44 am

1 stop14h 37m

Washington, D.C. Dulles Intl

Fri 11/28

12:26 pm-5:07 pm

1 stop7h 41m

$315

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 6/25

6:15 am-6:30 am

1 stop21h 15m

Washington, D.C. Dulles Intl

Sat 6/28

7:30 am-1:17 pm

1 stop8h 47m

$344

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 8/13

10:48 am-6:59 pm

Nonstop5h 11m

$119

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 7/2

6:15 am-6:30 am

1 stop21h 15m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results

The best insider tips for San Diego to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Washington, D.C. Dulles Intl Airport trip

Airlines

United Airlines

United's Polaris Lounges offer showers, napping areas, and dining for premium passengers.

United's Economy Plus offers extra legroom and priority boarding for MileagePlus Premier members.

Read more about United Airlinesby Harriet Baskas

Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, enhancing comfort.

Alaska Airlines' Wi-Fi is available for a flat fee, ideal for business travelers.

Read more about Alaska Airlinesby Robert Schrader

Airports

SAN

Plan to arrive at SAN at least two hours before your flight to avoid stress from potential traffic congestion.

IAD

Use the Washington Metro Silver line to reach IAD in under 40 minutes, a cost-effective option for airport transfers.

Our travel experts

Harriet Baskas

Expert on United Airlines

Robert Schrader

Expert on Alaska Airlines

Blane Bachelor

Expert on SAN

Ramsey Qubein

Expert on IAD

Best time to book a flight from San Diego to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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 Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from San Diego to Washington, D.C. Dulles Intl Airport?

To ensure you get the cheapest price possible for a flight from San Diego to Washington, D.C. Dulles Intl Airport, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Diego to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from San Diego to Washington, D.C. Dulles Intl Airport (average of $309). Flying from San Diego to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 IAD?

Unlike at noon, when flights are generally more expensive, you can save up to 70% on flights from San Diego to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the afternoon.

What is the cheapest day to fly from San Diego to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their San Diego to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Diego to Washington, D.C. Dulles Intl Airport

The most flights from SAN to IAD are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from San Diego to Washington, D.C. by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

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

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,287 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,950 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,494 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

8,790 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

What airport do you fly from for flights from San Diego to Washington, D.C. Dulles Intl?
Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from San Diego. Booking flights from San Diego (SAN) to Washington, D.C. Dulles Intl should be relatively easy as there are 9 daily outbound flights to Washington, D.C. Dulles Intl from 8 different airlines.
What are the cheapest airlines flying from San Diego to Washington, D.C. Dulles Intl Airport round-trip?
Flying on Hawaiian Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $237. Additional round-trip tickets that might be worth considering are offered by Frontier and Alaska Airlines, with the lowest prices starting at $239 and $247, respectively. These flights start at 40% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from San Diego to Washington, D.C. Dulles Intl Airport one-way?
For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $119. Users have also found prices from $123 and $124 on Frontier and United Airlines, respectively.
What are the most reliable airlines from San Diego to Washington, D.C. Dulles Intl Airport?
The top 3 most reliable airlines when flying from San Diego to Washington, D.C. Dulles Intl Airport are American Airlines (90%), Qatar Airways (90%) and Alaska Airlines (90%).
What are the cheapest flights from San Diego to Washington, D.C. Dulles Intl Airport?
The cheapest flight price from San Diego to Washington, D.C. Dulles Intl Airport is $158. On average you can expect to pay $1,139. The most popular route, (San Diego - Washington, D.C. Dulles Intl), can usually be booked for $231.
Can I find deals for flights from San Diego to Dulles Intl that include hotel bookings?
Yes. In addition to deals on San Diego to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Diego to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Dulles Intl.
Can I find deals for business class flights from San Diego to Dulles Intl?
Yes. Cheapflights offers flight deals from San Diego to Dulles Intl 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 Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from San Diego to Washington, D.C. Dulles Intl Airport (average of $309). Flying from San Diego to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 8 airlines flying from San Diego to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$113	Average$217	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$143	Average$242	FlexibilityNo cancel fee	On-time65%
Hawaiian Airlines	Cheapest$158	Average$348	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$198	Average$376	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$236	Average$350	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$257	Average$428	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$304	Average$467	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$346	Average$476	FlexibilityNo cancel fee	On-time63%

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$119+ Cheap flights from San Diego (SAN) to Dulles Intl (IAD)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Diego to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Diego to Washington, D.C. Dulles Intl are usually found in August or February, booked 90 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from San Diego to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from San Diego to Dulles Intl

Cheapest flights from San Diego to Dulles IntlExplore the most affordable flight options available from San Diego to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from San Diego to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Washington, D.C. Dulles Intl Airport that are best for you.

The best insider tips for San Diego to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Washington, D.C. Dulles Intl Airport trip

Airlines

United Airlines

Alaska Airlines

Airports

SAN

IAD

Our travel experts

Best time to book a flight from San Diego to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Diego with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from San Diego to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Dulles Intl. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from San Diego to Washington, D.C. Dulles Intl Airport?

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

Find hourly flight availability from San Diego to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

What is the cheapest day to fly from San Diego to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Dulles Intl. Price data was last updated on June 8, 2025.

Weekly flight availability from San Diego to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from San Diego to Dulles Intl. 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 June 12, 2025.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from San Diego to Washington, D.C. by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Dulles Intl. 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 Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from San Diego to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from San Diego to Washington, D.C. Dulles Intl Airport one-way?

What are the most reliable airlines from San Diego to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from San Diego to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from San Diego to Dulles Intl that include hotel bookings?

How can I find direct flights from San Diego to Dulles Intl?

Can I find deals for business class flights from San Diego to Dulles Intl?

What is the cheapest month to book a flight from San Diego to Washington, D.C. Dulles Intl Airport?

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Alternative routes for San Diego to Dulles Intl

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Top 8 airlines flying from San Diego to Dulles Intl

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Cheapest flights from San Diego to Dulles Intl
Explore the most affordable flight options available from San Diego to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.