How popular is this Portland to Carlsbad flight route?

Within the past month, 154 users have taken a look at flights from Portland to Carlsbad.

What are the cheapest airlines to fly from Portland to Carlsbad one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $48. American Airlines flights start at $78 while deals on Southwest start at $79 one-way.

Weekly flight availability from Portland to Carlsbad

The most flights from PDX to C4D are scheduled on a Friday (63 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (13 on average).

In terms of precipitation, rainfall in Carlsbad 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 Carlsbad when rainfall is around 0.0 in.

If weather is an important factor for your trip to Carlsbad, 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 Portland to Carlsbad?

The cheapest flight price from Portland to Carlsbad is $132. On average you can expect to pay $696. The most popular route, (Portland - Los Angeles), can usually be booked for $93.

What are the most reliable airlines from Portland to Carlsbad?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portland to Carlsbad on time: Sun Country Air (100%), Aeromexico (95%), Cathay Pacific (92%).

What are the most popular airlines that fly from Portland to Carlsbad?

Alaska Airlines, Delta and Frontier are the most popular airlines when flying from Portland to Carlsbad.

What airport do you fly from for flights from Portland to Carlsbad?

Located just 6.0 mi from the city center, Portland is the airport most travelers will use when flying to Carlsbad from Portland. Booking flights from Portland (PDX) to Carlsbad should be relatively easy as there are 27 daily outbound flights to Carlsbad from 8 different airlines.

Can I find deals for flights from Portland to Carlsbad that include hotel bookings?

Yes. In addition to deals on Portland to Carlsbad flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Carlsbad?

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

Can I find deals for business class flights from Portland to Carlsbad?

Yes. Cheapflights offers flight deals from Portland to Carlsbad 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 Portland to Carlsbad, CA

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Cheapflights Tip: The best prices from Portland to Carlsbad are usually found in January or December, booked 87 days in advance, depart on a Friday or Thursday and return on a Saturday

Find flight deals from Portland to Carlsbad

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	June
Cheapest in	January
Average price	$268

Provider with most accurate pricing for Portland-Los Angeles flight deals.

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Provider most trusted by Cheapflights users for Portland-Los Angeles flights.

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Highest demand for flights based on searches. 5% potential increase in price ($16 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Cheapflights Insights

Everything you need to know about your flight from Portland to Carlsbad

Prices

Airlines

What is the cheapest time of day to fly from PDX to C4D?

A simple way to save on the total cost of your ticket is to fly from Portland to Carlsbad in the evening. If you’re flexible enough to do this you can expect to save up to 3% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Portland to Carlsbad?

Travelers seeking maximum savings on their Portland to Carlsbad flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Carlsbad

Read reviews from past customers who have flown Alaska Airlines,Delta, andJetBlue from Portland to Carlsbad. 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.

Alaska Airlines

7.9

Good

13,121 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

Alaska Airlines

7.9

Good

13,121 reviews

Alaska Airlines

7.9

Good

13,121 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

Delta

7.8

Good

8,679 reviews

Alaska Airlines

7.9

Good

13,121 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

JetBlue

7.1

Good

3,065 reviews

Alaska Airlines

7.9

Good

13,121 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

American Airlines

7.0

Good

12,193 reviews

Alaska Airlines

7.9

Good

13,121 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

Frontier

5.5

Fair

2,519 reviews

Alaska Airlines

7.9

Good

13,121 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

Related info for your journey

What airport do you fly from for flights from Portland to Carlsbad?
Located just 6.0 mi from the city center, Portland is the airport most travelers will use when flying to Carlsbad from Portland. Booking flights from Portland (PDX) to Carlsbad should be relatively easy as there are 27 daily outbound flights to Carlsbad from 8 different airlines.
How popular is this Portland to Carlsbad flight route?
Within the past month, 154 users have taken a look at flights from Portland to Carlsbad.
What are the cheapest airlines to fly from Portland to Carlsbad one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $48. American Airlines flights start at $78 while deals on Southwest start at $79 one-way.
What are the most reliable airlines from Portland to Carlsbad?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portland to Carlsbad on time: Sun Country Air (100%), Aeromexico (95%), Cathay Pacific (92%).
What are the cheapest flights from Portland to Carlsbad?
The cheapest flight price from Portland to Carlsbad is $132. On average you can expect to pay $696. The most popular route, (Portland - Los Angeles), can usually be booked for $93.
Can I find deals for flights from Portland to Carlsbad that include hotel bookings?
Yes. In addition to deals on Portland to Carlsbad flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Carlsbad?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Carlsbad.
Can I find deals for business class flights from Portland to Carlsbad?
Yes. Cheapflights offers flight deals from Portland to Carlsbad 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 8 airlines flying from Portland to Carlsbad

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$75	Average$237	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$83	Average$274	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$111	Average$251	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$137	Average$308	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$142	Average$347	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$145	Average$285	FlexibilityNo cancel fee	On-time75%
Hawaiian Airlines	Cheapest$151	Average$310	FlexibilityNo cancel fee	On-time85%
American Airlines	Cheapest$158	Average$343	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Portland (PDX) to Carlsbad, CA, CA

Find cheap flights from Portland to Carlsbad with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Portland to Carlsbad

Most accurate provider

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Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from PDX to C4D?

A simple way to save on the total cost of your ticket is to fly from Portland to Carlsbad in the evening. If you’re flexible enough to do this you can expect to save up to 3% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Portland to Carlsbad?

Travelers seeking maximum savings on their Portland to Carlsbad flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portland to Carlsbad

The most flights from PDX to C4D are scheduled on a Friday (63 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing Carlsbad

Read reviews from past customers who have flown Alaska Airlines,Delta, andJetBlue from Portland to Carlsbad. 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 airport do you fly from for flights from Portland to Carlsbad?

How popular is this Portland to Carlsbad flight route?

What are the cheapest airlines to fly from Portland to Carlsbad one-way?

What are the most reliable airlines from Portland to Carlsbad?

What are the cheapest flights from Portland to Carlsbad?

Can I find deals for flights from Portland to Carlsbad that include hotel bookings?

How can I find direct flights from Portland to Carlsbad?

Can I find deals for business class flights from Portland to Carlsbad?

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 Portland to Carlsbad

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Complete your trip

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

Search flights from Portland to Carlsbad by cabin class

Find flights from Portland to Carlsbad, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portland and Carlsbad flights

Browse other Portland and Carlsbad flight options. Last updated on October 25, 2026.

Other flights from Portland

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Top 8 airlines flying from Portland to Carlsbad

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