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Dulles Intl

$163+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — IAD
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
1 adult, Economy
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Find cheap flights from San Diego to Dulles Intl with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Diego to Washington, D.C. Dulles Intl are usually found in October or August, booked 88 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap 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 8, 2026.

This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:30 am
SAN
-
IAD
1 stop8h 44m
Delta
Sat 9/266:10 am
IAD
-
SAN
1 stop7h 09m
Delta
Deal found 6/4$327
This CheapOair deal was found by Cheapflights users on 6/7. 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.
Wed 7/83:03 pm
SAN
-
IAD
1 stop14h 17m
Frontier
Sat 7/119:30 am
IAD
-
SAN
1 stop13h 36m
Frontier
Deal found 6/7$328
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 8/2610:04 am
SAN
-
IAD
Nonstop5h 10m
Alaska Airlines
Sat 8/297:00 am
IAD
-
SAN
1 stop9h 19m
Alaska Airlines
Deal found 6/7$332
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Wed 8/266:25 am
SAN
-
IAD
1 stop9h 17m
Frontier
Mon 8/317:27 pm
IAD
-
SAN
1 stop26h 19m
Frontier
Deal found 6/5$334
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Fri 8/78:51 pm
SAN
-
IAD
1 stop8h 29m
Frontier
Sat 8/156:49 am
IAD
-
SAN
2 stops16h 17m
Frontier
Deal found 6/4$336
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:03 pm
SAN
-
IAD
1 stop14h 17m
Frontier
Wed 7/157:49 am
IAD
-
SAN
2 stops14h 12m
Frontier
Deal found 6/3$337
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/239:43 am
SAN
-
IAD
1 stop19h 42m
Frontier
Tue 6/309:55 am
IAD
-
SAN
1 stop25h 56m
Frontier
Deal found 6/3$338
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:12 pm
SAN
-
IAD
2 stops13h 08m
Frontier
Sun 8/99:50 am
IAD
-
SAN
1 stop13h 16m
Frontier
Deal found 6/3$339
This CheapOair deal was found by Cheapflights users on 6/7. 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 9/222:50 pm
SAN
-
IAD
1 stop11h 50m
Alaska Airlines
Tue 9/297:00 am
IAD
-
SAN
1 stop10h 42m
Alaska Airlines
Deal found 6/7$342
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Wed 7/83:03 pm
SAN
-
IAD
1 stop14h 17m
Frontier
Wed 7/157:49 am
IAD
-
SAN
2 stops34h 38m
Frontier
Deal found 6/5$343
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:35 am
SAN
-
IAD
1 stop8h 26m
Frontier
Wed 7/159:50 am
IAD
-
SAN
1 stop7h 18m
Frontier
Deal found 6/8$345

Find flight deals from San Diego to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$327
(Delta)

One-way from

$163
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$391

Good round-trip deal

$431 or less

Good one-way deal

$240 or less
Provider with most accurate pricing for San Diego-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Washington, D.C. Dulles Intl flights.
Search Deals
From San Diego to Washington, D.C. Dulles Intl
Search Deals
One-way flight from San Diego to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from San Diego to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from San Diego to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Dulles Intl 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 June 8, 2026.
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

Cheapest round-trip

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Tue 8/18

10:34 am-6:45 pm

Nonstop5h 11m

Washington, D.C. Dulles Intl

Sat 8/29

5:47 pm-10:39 am

1 stop19h 52m

$372

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sun 8/2

10:25 pm-9:24 am

1 stop7h 59m

Washington, D.C. Dulles Intl

Sat 8/8

6:00 pm-8:23 pm

Nonstop5h 23m

$397

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 8/1

10:25 pm-9:23 am

1 stop7h 58m

Washington, D.C. Dulles Intl

Sat 8/8

6:00 pm-8:23 pm

Nonstop5h 23m

$397

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Fri 7/31

12:57 pm-9:05 pm

Nonstop5h 08m

Washington, D.C. Dulles Intl

Sat 8/8

6:00 pm-8:23 pm

Nonstop5h 23m

$404

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Thu 7/16

9:30 pm-9:26 am

1 stop8h 56m

Washington, D.C. Dulles Intl

Mon 7/20

5:26 pm-10:01 pm

1 stop7h 35m

$407

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Thu 7/16

10:34 am-6:45 pm

Nonstop5h 11m

Washington, D.C. Dulles Intl

Mon 7/20

7:53 pm-10:17 pm

Nonstop5h 24m

$407

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 8/26

3:50 pm-5:40 am

1 stop10h 50m

Washington, D.C. Dulles Intl

Sat 8/29

7:00 am-1:19 pm

1 stop9h 19m

$412

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Wed 7/8

8:40 am-6:39 am

1 stop18h 59m

Washington, D.C. Dulles Intl

Sat 7/11

8:00 pm-10:24 pm

Nonstop5h 24m

$439

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sun 8/16

10:34 am-6:45 pm

Nonstop5h 11m

Washington, D.C. Dulles Intl

Thu 8/20

7:35 pm-9:59 pm

Nonstop5h 24m

$447
Quickest round-trip

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Fri 7/3

9:45 pm-5:45 am

Nonstop5h 00m

Washington, D.C. Dulles Intl

Sun 7/5

8:15 am-10:38 am

Nonstop5h 23m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from San Diego to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Dulles Intl in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, October is the cheapest month in which you can book a flight from San Diego to Washington, D.C. Dulles Intl Airport (average of $356). Flying from San Diego to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $467). 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?

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 8, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Washington, D.C. Dulles Intl Airport as you normally would.

How much does it cost to fly round-trip from San Diego to Washington, D.C. Dulles Intl Airport?

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated June 8, 2026.
See what other customers who have flown with Alaska Airlines,Hawaiian Airlines, andUnited Airlines from San Diego to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,480 reviews

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Alaska Airlines
7.9
Good
12,480 reviews
Alaska Airlines
7.9
Good
12,480 reviews

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
7.9
Good
12,480 reviews

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
United Airlines
7.4
Good
9,781 reviews
Alaska Airlines
7.9
Good
12,480 reviews

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
American Airlines
7.1
Good
11,645 reviews
Alaska Airlines
7.9
Good
12,480 reviews

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Frontier
5.6
Fair
2,906 reviews
Alaska Airlines
7.9
Good
12,480 reviews

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.1

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

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?

    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 7 daily outbound flights to Washington, D.C. Dulles Intl from 7 different airlines.

  • How long is the flight from San Diego to Washington, D.C. Dulles Intl Airport?

    For as low as $372, Alaska Airlines can have you in Washington, D.C. Dulles Intl Airport from San Diego in 5h 11m. The distance from San Diego to Washington, D.C. Dulles Intl Airport 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 flying from San Diego to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on Delta is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $138. Additional round-trip tickets that might be worth considering are offered by Frontier and Hawaiian Airlines, with the lowest prices starting at $149 and $188, respectively. These flights start at 65% 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 Frontier. According to our data, you can fly for as low as $72. Users have also found prices from $87 and $118 on Southwest and Alaska 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 Hawaiian Airlines (100%), Alaska Airlines (98%) and American Airlines (97%).

  • 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 $189. On average you can expect to pay $1,218. The most popular route, (San Diego - Washington, D.C. Dulles Intl), can usually be booked for $307.

  • 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, October is the cheapest month in which you can book a flight from San Diego to Washington, D.C. Dulles Intl Airport (average of $356). Flying from San Diego to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $467). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Reston
Rockville
Herndon
Fredericksburg
Hyattsville
Manassas
Hanover
Chantilly
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Diego to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
Los Angeles to Baltimore flights
San Francisco to Dulles Intl flights
San Francisco to Baltimore flights
San Francisco to Reagan-National flights
Ontario to Dulles Intl flights
Ontario to Baltimore flights
Ontario to Reagan-National flights
Sacramento to Dulles Intl flights
San Diego to Baltimore flights
Burbank to Dulles Intl flights
Las Vegas to Dulles Intl flights
San Jose to Dulles Intl flights
San Jose to Baltimore flights
San Diego to Reagan-National flights
Oakland to Dulles Intl flights
Las Vegas to Reagan-National flights
San Jose to Reagan-National flights
Santa Ana to Dulles Intl flights
Sacramento to Baltimore flights
Las Vegas to Baltimore flights
Oakland to Baltimore flights
Sacramento to Reagan-National flights
Santa Ana to Baltimore flights
Burbank to Reagan-National flights
Burbank to Baltimore flights
Oakland to Reagan-National flights
Fresno to Dulles Intl flights
Santa Ana to Reagan-National flights
Fresno to Reagan-National flights
Reno to Dulles Intl flights
Palm Springs to Dulles Intl flights
Fresno to Baltimore flights
Palm Springs to Baltimore flights
Palm Springs to Reagan-National flights
Reno to Reagan-National flights
Reno to Baltimore flights
Long Beach to Dulles Intl flights
Long Beach to Baltimore flights
San Luis Obispo to Reagan-National flights
San Luis Obispo to Dulles Intl flights
San Luis Obispo to Baltimore flights
Santa Barbara to Dulles Intl flights
Monterey to Baltimore flights
Long Beach to Reagan-National flights
Santa Barbara to Baltimore flights

Top 7 airlines flying from San Diego to Dulles Intl

Discover the top 7 airlines that operate flights from San Diego to Dulles Intl. 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 June 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$220FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$376FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$138Average$347FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$216Average$346FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$236Average$455FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$237Average$372FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$323Average$517FlexibilityNo cancel feeOn-time71%

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