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Pasadena

$135+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LAX
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Pasadena are usually found in July or May, booked 89 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap 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 February 3, 2026.

This Frontier deal was found by Cheapflights users on 2/1. 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.
Sun 2/227:20 pm
IAD
-
LAX
1 stop15h 19m
Frontier
Thu 2/265:14 pm
LAX
-
IAD
1 stop13h 11m
Frontier
Deal found 2/1$256
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:05 am
IAD
-
LAX
1 stop8h 35m
Southwest
Tue 3/105:05 am
LAX
-
IAD
1 stop7h 50m
Southwest
Deal found 2/3$257
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 3/56:52 pm
IAD
-
LAX
1 stop15h 23m
Multiple Airlines
Tue 3/108:20 am
LAX
-
IAD
2 stops13h 11m
Multiple Airlines
Deal found 2/2$258
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.
Mon 2/166:37 pm
IAD
-
LAX
2 stops40h 38m
Multiple Airlines
Thu 2/265:14 pm
LAX
-
IAD
1 stop13h 11m
Multiple Airlines
Deal found 2/2$259
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/2710:23 am
IAD
-
LAX
1 stop10h 23m
Frontier
Fri 3/611:01 pm
LAX
-
IAD
2 stops22h 30m
Frontier
Deal found 2/1$260
This Southwest deal was found by Cheapflights users on 2/1. 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 5/66:20 am
IAD
-
LAX
2 stops10h 00m
Southwest
Sun 5/108:10 am
LAX
-
IAD
1 stop6h 15m
Southwest
Deal found 2/1$262
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 2/266:52 pm
IAD
-
LAX
1 stop15h 47m
Multiple Airlines
Tue 3/31:05 am
LAX
-
IAD
2 stops29h 20m
Multiple Airlines
Deal found 2/2$263
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/78:09 am
IAD
-
LAX
2 stops17h 31m
Multiple Airlines
Wed 3/1810:07 pm
LAX
-
IAD
1 stop23h 24m
Multiple Airlines
Deal found 2/1$264
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.
Tue 3/103:45 pm
IAD
-
LAX
Nonstop5h 57m
United Airlines
Tue 3/1711:39 pm
LAX
-
IAD
Nonstop4h 50m
United Airlines
Deal found 2/3$265
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:20 am
IAD
-
LAX
2 stops10h 00m
Southwest
Wed 4/1510:45 am
LAX
-
IAD
2 stops9h 55m
Southwest
Deal found 2/2$267
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/196:52 pm
IAD
-
LAX
1 stop15h 57m
Frontier
Wed 2/251:51 pm
LAX
-
IAD
2 stops16h 34m
Frontier
Deal found 2/1$268

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$256
(Frontier)

One-way from

$135
(Expedia)

Popular in

December

Cheapest in

July

Average price

$337
Provider with most accurate pricing for Washington, D.C. (WAS)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Los Angeles flights.
Search Deals
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. 7% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 3, 2026.
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

Fri 4/17

5:55 am-10:00 am

1 stop7h 05m

Los Angeles

Fri 5/8

2:20 pm-12:20 am

1 stop7h 00m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 5/13

5:30 pm-10:00 pm

1 stop7h 30m

Los Angeles

Tue 5/19

12:20 pm-11:40 pm

1 stop8h 20m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 5/6

6:20 am-10:30 am

1 stop7h 10m

Los Angeles

Sun 5/10

8:10 am-5:25 pm

1 stop6h 15m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Sat 2/28

4:30 pm-9:10 pm

1 stop7h 40m

Los Angeles

Sat 3/7

6:05 am-4:05 pm

1 stop7h 00m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Fri 3/6

5:50 am-10:05 am

1 stop7h 15m

Los Angeles

Wed 3/11

6:30 am-5:20 pm

1 stop7h 50m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 3/18

5:50 am-1:10 pm

1 stop10h 20m

Los Angeles

Wed 3/25

6:30 am-5:20 pm

1 stop7h 50m

$257

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Wed 4/22

4:30 pm-10:05 pm

1 stop8h 35m

Los Angeles

Wed 4/29

10:45 am-11:40 pm

2 stops9h 55m

$262

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 4/21

6:20 am-10:30 am

1 stop7h 10m

Los Angeles

Tue 4/28

10:45 am-11:40 pm

2 stops9h 55m

$262

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Thu 6/4

10:10 pm-12:46 am

Nonstop5h 36m

Los Angeles

Thu 6/11

4:42 pm-12:47 am

Nonstop5h 05m

$267

Washington, D.C.Los Angeles

IAD - LAX

IADLAX

Washington, D.C. Dulles Intl

Tue 4/21

6:20 am-1:00 pm

2 stops9h 40m

Los Angeles

Wed 4/29

10:45 am-11:40 pm

2 stops9h 55m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 24 results
1
2
3

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 January 30, 2026.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Pasadena is 25 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pasadena (average of $140). Flying from Washington, D.C. Dulles Intl Airport to Pasadena in December is currently the most expensive (average of $237). 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 February 3, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 39% on flights from Washington, D.C. Dulles Intl Airport to Pasadena by exploring options for tickets in the evening.

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 January 31, 2026.

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. Monday at noon 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 February 3, 2026.

The most flights from IAD to P4S are scheduled on a Monday (31 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 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 February 3, 2026.
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
11,835 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.0

Crew

8.5

Overall

8.0

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
11,835 reviews
Alaska Airlines
8.0
Very good
11,835 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.0

Crew

8.5

Overall

8.0

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
4,273 reviews
Alaska Airlines
8.0
Very good
11,835 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.0

Crew

8.5

Overall

8.0

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
11,835 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.0

Crew

8.5

Overall

8.0

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
11,835 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.0

Crew

8.5

Overall

8.0

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
3,051 reviews
Alaska Airlines
8.0
Very good
11,835 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.0

Crew

8.5

Overall

8.0

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 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.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Pasadena in 7h 05m. Fly via Southwest to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to Pasadena is about 2282 mi.

  • 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 Spirit Airlines ($72), Frontier ($83), and Hawaiian Airlines ($113).

  • 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: Egyptair (87%), Air China (83%), United Airlines( 83%).

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

    On average you can expect to pay $954 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 $197.

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pasadena (average of $140). Flying from Washington, D.C. Dulles Intl Airport to Pasadena in December is currently the most expensive (average of $237). 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 Dulles Intl to Pasadena

See prices for flight routes from nearby airports that may be better suited for you.
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Reagan-National to Monterey flights
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Reagan-National to Fresno 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$67Average$140FlexibilityNo cancel feeOn-time65%
FrontierCheapest$99Average$306FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$113Average$307FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$179Average$329FlexibilityNo cancel feeOn-time75%
DeltaCheapest$226Average$471FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$227Average$452FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$246Average$440FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$252Average$429FlexibilityNo cancel feeOn-time71%

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