HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pasadena

$117+ Cheap flights from Dulles Intl (IAD) to Pasadena, CA

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LAX
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Pasadena with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Pasadena are usually found in January or May, booked 41 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Dulles Intl to Pasadena

Keep the following information in mind while searching for Dulles Intl to Pasadena flight deals. Data was last updated July 31, 2025.

Round-trip from

$237
(United Airlines)

One-way from

$117
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$332
From Washington, D.C. Dulles Intl to Pasadena
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Pasadena
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Dulles Intl to Pasadena

Cheapest flights from Dulles Intl to Pasadena
Explore the most affordable flight options available from Dulles Intl to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 8/197:00 amIAD - LAX
Nonstop5h 26mUnited Airlines
Sat 8/304:29 pmLAX - IAD
Nonstop5h 01mUnited Airlines
Deal found 7/29$237
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 10/157:25 amIAD - LAX
1 stop7h 58mFrontier
Tue 10/281:18 pmLAX - IAD
1 stop7h 27mFrontier
Deal found 7/29$245
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 11/86:13 pmIAD - LAX
1 stop18h 02mAlaska Airlines
Tue 11/118:10 pmLAX - IAD
2 stops18h 03mAlaska Airlines
Deal found 7/29$275
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:00 amIAD - LAX
1 stop10h 57mHawaiian Airlines
Wed 9/36:45 pmLAX - IAD
1 stop9h 48mHawaiian Airlines
Deal found 7/31$276
This Southwest deal was found by Cheapflights users on 7/30. 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 8/275:45 amIAD - LAX
2 stops10h 30mSouthwest
Wed 9/36:50 amLAX - IAD
1 stop7h 25mSouthwest
Deal found 7/30$292
This Sun Country Air deal was found by Cheapflights users on 7/29. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3111:42 amIAD - LAX
1 stop8h 09mSun Country Air
Wed 9/31:21 pmLAX - IAD
1 stop18h 16mSun Country Air
Deal found 7/29$295
This Trip.com deal was found by Cheapflights users on 7/29. 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 8/3010:05 pmIAD - LAX
Nonstop5h 29mMultiple Airlines
Sat 9/61:16 pmLAX - IAD
1 stop7h 39mMultiple Airlines
Deal found 7/29$301

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Pasadena 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 July 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Pasadena that are best for you.

Fly from

Dulles Intl

Fly to

Pasadena

Route

Depart

Return

Price

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 8/19

7:00 am-9:26 am

Nonstop5h 26m

Los Angeles

Sat 8/30

4:29 pm-12:30 am

Nonstop5h 01m

$237

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 10/15

7:25 am-12:23 pm

1 stop7h 58m

Los Angeles

Tue 10/28

1:18 pm-11:45 pm

1 stop7h 27m

$245

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sun 9/7

5:52 pm-10:00 pm

2 stops31h 08m

Los Angeles

Tue 9/9

5:36 pm-7:33 am

1 stop10h 57m

$275

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 8/27

7:00 am-2:57 pm

1 stop10h 57m

Los Angeles

Wed 9/10

10:00 am-12:23 am

1 stop11h 23m

$276

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 8/27

5:45 am-1:15 pm

2 stops10h 30m

Los Angeles

Wed 9/3

6:50 am-5:15 pm

1 stop7h 25m

$292

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sun 8/31

11:42 am-4:51 pm

1 stop8h 09m

Los Angeles

Wed 9/3

1:21 pm-10:37 am

1 stop18h 16m

$295

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sat 8/30

5:40 pm-8:11 pm

Nonstop5h 31m

Los Angeles

Sat 9/6

1:16 pm-11:55 pm

1 stop7h 39m

$301

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sat 8/30

8:00 am-7:03 pm

1 stop14h 03m

$117

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Fri 8/22

9:33 pm-8:08 am

1 stop13h 35m

$121

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sat 9/20

8:00 pm-10:30 pm

Nonstop5h 30m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 14 results
1
2

Best time to book a flight from Dulles Intl to Pasadena

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Pasadena. Price data was last updated on July 25, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Pasadena is 41 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pasadena (average of $246). Flying from Washington, D.C. Dulles Intl Airport to Pasadena in March is currently the most expensive (average of $326). 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 IAD to P4S?

Find hourly flight availability from Dulles Intl to Pasadena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Pasadena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Pasadena. Price data was last updated on November 10, 2024.

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

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

Explore weekly flight availability from Dulles Intl to Pasadena. 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 July 31, 2025.

The most flights from IAD to P4S are scheduled on a Thursday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Reviews of airlines servicing Pasadena

Get insights into the airlines that provide service to Pasadena. 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 Pasadena. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Pasadena, such as Alaska Airlines, Southwest, and Hawaiian Airlines. 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

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

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

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

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
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

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
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

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
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

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

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

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 Dulles Intl to Pasadena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Pasadena are Frontier ($127), United Airlines ($129), and Hawaiian Airlines ($133).

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

    Before booking your flight to Pasadena from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Ethiopian Air (85%), Singapore Airlines (79%), Egyptair( 78%).

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

    On average you can expect to pay $1,324 for a flight from Washington, D.C. Dulles Intl Airport to Pasadena. The cheapest flight overall is $138 while the most popular route, (Washington, D.C. Dulles Intl - Los Angeles) is currently priced at $237.

  • Can I find deals for flights from Dulles Intl to Pasadena that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Pasadena?

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

  • Can I find deals for business class flights from Dulles Intl to Pasadena?

    Yes. Cheapflights offers flight deals from Dulles Intl to Pasadena 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 Washington, D.C. Dulles Intl Airport to Pasadena?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pasadena (average of $246). Flying from Washington, D.C. Dulles Intl Airport to Pasadena in March is currently the most expensive (average of $326). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Pasadena

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

Top 8 airlines flying from Dulles Intl to Pasadena

Discover the top 8 airlines that operate flights from Dulles Intl to Pasadena. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$106Average$189FlexibilityNo cancel feeOn-time65%
FrontierCheapest$135Average$283FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$138Average$326FlexibilityNo cancel feeOn-time85%
DeltaCheapest$167Average$510FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$199Average$335FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$217Average$479FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$247Average$474FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$286Average$430FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.