How popular is this Pasadena to Seattle flight route?

Within the past month, 272 users have taken a look at flights from Pasadena to Seattle/Tacoma Intl.

What are the cheapest airlines to fly from Pasadena to Seattle one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $32. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Pasadena to Seattle for a low price.

Weekly flight availability from Pasadena to Seattle

The most flights from P4S to SEA are scheduled on a Saturday (93 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (40 on average).

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the cheapest flights from Pasadena to Seattle?

The cheapest flight price from Pasadena to Seattle is $74. On average you can expect to pay $1,020. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for $128.

What are the most reliable airlines from Pasadena to Seattle?

No one likes to see their flight delayed. When booking a flight from Pasadena to Seattle consider choosing WestJet (93%), Aer Lingus (90%) or Fiji Airways (88%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Pasadena to Seattle?

When booking a flight from Pasadena to Seattle, you may want to consider flying on Frontier, Alaska Airlines or Delta as they are the most popular for this route.

What airport do you fly into for flights to Seattle from Pasadena?

Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Pasadena to Seattle. 8 airlines have flights to Seattle/Tacoma Intl from Pasadena on a regular basis. Booking flights from Pasadena to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 55 inbound flights from Pasadena per day.

Can I find deals for flights from Pasadena to Seattle that include hotel bookings?

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

How can I find direct flights from Pasadena to Seattle?

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

Can I find deals for business class flights from Pasadena to Seattle?

Yes. Cheapflights offers flight deals from Pasadena to Seattle 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 Pasadena to Seattle

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Cheapflights Tip: The best prices from Pasadena to Seattle/Tacoma Intl are usually found in March or May, booked 70 days in advance, depart on a Thursday or Friday and return on a Thursday

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Most accurate provider	FlightHub 3 stars
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Popular in	June
Cheapest in	March
Average price	$241

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Highest demand for flights based on searches. 9% potential increase in price ($26 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($6 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 Pasadena to Seattle

Prices

Airlines

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

A simple way to save on the total cost of your ticket is to fly from Pasadena to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Pasadena to Seattle?

Travelers seeking maximum savings on their Pasadena to Seattle flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Pasadena to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

7.9

Good

13,121 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Alaska Airlines

7.9

Good

13,121 reviews

Alaska Airlines

7.9

Good

13,121 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Delta

7.8

Good

8,678 reviews

Alaska Airlines

7.9

Good

13,121 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

United Airlines

7.3

Good

10,435 reviews

Alaska Airlines

7.9

Good

13,121 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

American Airlines

7.0

Good

12,194 reviews

Alaska Airlines

7.9

Good

13,121 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Frontier

5.5

Fair

2,519 reviews

Alaska Airlines

7.9

Good

13,121 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

What airport do you fly into for flights to Seattle from Pasadena?
Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Pasadena to Seattle. 8 airlines have flights to Seattle/Tacoma Intl from Pasadena on a regular basis. Booking flights from Pasadena to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 55 inbound flights from Pasadena per day.
How popular is this Pasadena to Seattle flight route?
Within the past month, 272 users have taken a look at flights from Pasadena to Seattle/Tacoma Intl.
What are the cheapest airlines to fly from Pasadena to Seattle one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $32. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Pasadena to Seattle for a low price.
What are the most reliable airlines from Pasadena to Seattle?
No one likes to see their flight delayed. When booking a flight from Pasadena to Seattle consider choosing WestJet (93%), Aer Lingus (90%) or Fiji Airways (88%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Pasadena to Seattle?
The cheapest flight price from Pasadena to Seattle is $74. On average you can expect to pay $1,020. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for $128.
Can I find deals for flights from Pasadena to Seattle that include hotel bookings?
Yes. In addition to deals on Pasadena to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pasadena to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pasadena to Seattle.
Can I find deals for business class flights from Pasadena to Seattle?
Yes. Cheapflights offers flight deals from Pasadena to Seattle 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 Pasadena to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$44	Average$197	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$99	Average$276	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$137	Average$300	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$150	Average$340	FlexibilityNo cancel fee	On-time63%
JetBlue	Cheapest$157	Average$309	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$166	Average$358	FlexibilityNo cancel fee	On-time69%
Hawaiian Airlines	Cheapest$194	Average$342	FlexibilityNo cancel fee	On-time85%
American Airlines	Cheapest$227	Average$432	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Pasadena, CA to Seattle (SEA)

Find cheap flights from Pasadena to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Pasadena to Seattle

Most accurate provider

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Cheapflights Insights

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

A simple way to save on the total cost of your ticket is to fly from Pasadena to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Pasadena to Seattle?

Travelers seeking maximum savings on their Pasadena to Seattle flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Pasadena to Seattle

The most flights from P4S to SEA are scheduled on a Saturday (93 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (40 on average).

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Pasadena to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Seattle from Pasadena?

How popular is this Pasadena to Seattle flight route?

What are the cheapest airlines to fly from Pasadena to Seattle one-way?

What are the most reliable airlines from Pasadena to Seattle?

What are the cheapest flights from Pasadena to Seattle?

Can I find deals for flights from Pasadena to Seattle that include hotel bookings?

How can I find direct flights from Pasadena to Seattle?

Can I find deals for business class flights from Pasadena to Seattle?

Traveling to a place near Seattle?

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