What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Pasadena one-way?

The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to Pasadena are Frontier ($54), United Airlines ($102), and American Airlines ($106).

Weekly flight availability from Chicago O'Hare Intl Airport to Pasadena

The most flights from ORD to P4S are scheduled on a Thursday (140 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (109 on average).

In terms of precipitation, rainfall in Pasadena ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Pasadena when rainfall is around 0.0 in.

If weather is an important factor for your trip to Pasadena, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

What are the cheapest flights from Chicago O'Hare Intl Airport to Pasadena?

The cheapest flight price from Chicago O'Hare Intl Airport to Pasadena is $106. On average you can expect to pay $988. The most popular route, (Chicago O'Hare Intl - Los Angeles), can usually be booked for $138.

What are the most reliable airlines from Chicago O'Hare Intl Airport to Pasadena?

Before booking your flight to Pasadena from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Air New Zealand (76%), Air China (74%), Virgin Australia( 72%).

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Pasadena?

The most popular airlines flying from Chicago O'Hare Intl Airport to Pasadena are United Airlines, American Airlines and Frontier. Something to consider prior to booking your flight.

Can I find deals for flights from O'Hare Intl to Pasadena that include hotel bookings?

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

How can I find direct flights from O'Hare Intl to Pasadena?

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

Can I find deals for business class flights from O'Hare Intl to Pasadena?

Yes. Cheapflights offers flight deals from O'Hare 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.

Find Cheap Flights from Chicago O'Hare Intl Airport to Pasadena

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Pasadena are usually found in April or November, booked 72 days in advance, depart on a Thursday or Friday and return on a Wednesday

Find flight deals from O'Hare Intl to Pasadena

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Popular in	June
Cheapest in	April
Average price	$299

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Highest demand for flights based on searches. 8% potential increase in price ($31 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Everything you need to know about your flight from Chicago O'Hare Intl Airport to Pasadena

Prices

Airlines

What is the cheapest time of day to fly from ORD to P4S?

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Pasadena is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 28% on airfare.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Pasadena?

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Pasadena flight should consider departing on Thursday 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.

Reviews of airlines servicing Pasadena

Read reviews from past customers who have flown Delta,United Airlines, andJetBlue from Chicago O'Hare Intl Airport to Pasadena. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,654 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Delta

7.8

Good

8,654 reviews

Delta

7.8

Good

8,654 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

United Airlines

7.4

Good

10,331 reviews

Delta

7.8

Good

8,654 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

JetBlue

7.1

Good

3,048 reviews

Delta

7.8

Good

8,654 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

American Airlines

7.0

Good

12,153 reviews

Delta

7.8

Good

8,654 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Frontier

5.6

Fair

2,551 reviews

Delta

7.8

Good

8,654 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Related info for your journey

What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Pasadena one-way?
The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to Pasadena are Frontier ($54), United Airlines ($102), and American Airlines ($106).
What are the most reliable airlines from Chicago O'Hare Intl Airport to Pasadena?
Before booking your flight to Pasadena from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Air New Zealand (76%), Air China (74%), Virgin Australia( 72%).
What are the cheapest flights from Chicago O'Hare Intl Airport to Pasadena?
The cheapest flight price from Chicago O'Hare Intl Airport to Pasadena is $106. On average you can expect to pay $988. The most popular route, (Chicago O'Hare Intl - Los Angeles), can usually be booked for $138.
Can I find deals for flights from O'Hare Intl to Pasadena that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Pasadena flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Pasadena?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Pasadena.
Can I find deals for business class flights from O'Hare Intl to Pasadena?
Yes. Cheapflights offers flight deals from O'Hare 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.

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Top 6 airlines flying from O'Hare Intl to Pasadena

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$100	Average$268	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$181	Average$349	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$194	Average$408	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$194	Average$305	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$197	Average$388	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$236	Average$478	FlexibilityNo cancel fee	On-time63%

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Cheap flights from O'Hare Intl (ORD) to Pasadena, CA

Find cheap flights from O'Hare Intl to Pasadena with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from O'Hare Intl to Pasadena

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Cheapflights Insights

What is the cheapest time of day to fly from ORD to P4S?

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Pasadena is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 28% on airfare.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Pasadena?

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Pasadena flight should consider departing on Thursday 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 Chicago O'Hare Intl Airport to Pasadena

The most flights from ORD to P4S are scheduled on a Thursday (140 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (109 on average).

Reviews of airlines servicing Pasadena

Read reviews from past customers who have flown Delta,United Airlines, andJetBlue from Chicago O'Hare Intl Airport to Pasadena. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Pasadena one-way?

What are the most reliable airlines from Chicago O'Hare Intl Airport to Pasadena?

What are the cheapest flights from Chicago O'Hare Intl Airport to Pasadena?

Can I find deals for flights from O'Hare Intl to Pasadena that include hotel bookings?

How can I find direct flights from O'Hare Intl to Pasadena?

Can I find deals for business class flights from O'Hare Intl to Pasadena?

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 O'Hare Intl to Pasadena

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Pasadena by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from O'Hare Intl to Pasadena by cabin class

Find flights from O'Hare Intl to Pasadena, based on your preferred cabin class, be it economy, premium economy, business, or first class.

O'Hare Intl and Pasadena flights

Browse other O'Hare Intl and Pasadena flight options. Last updated on October 10, 2026.

Other flights from O'Hare Intl

Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on October 10, 2026.

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