How popular is this Seattle to Palo Alto flight route?

This flight path from Seattle/Tacoma Intl to Palo Alto was viewed by 135 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

One-way options have recently been found by users for as low as $54 on Frontier. Other airlines that offer cheap prices include Delta from $58 and Alaska Airlines from $75 one-way.

Weekly flight availability from Seattle to Palo Alto

The most flights from SEA to P4L are scheduled on a Sunday (91 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (51 on average).

In terms of precipitation, rainfall in Palo Alto ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit Palo Alto when rainfall is around 0.0 in.

If weather is an important factor for your trip to Palo Alto, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What are the cheapest flights from Seattle to Palo Alto?

Looking for the cheapest flight from Seattle to Palo Alto? While on average our users pay $848, our data indicates the cheapest price to be $78. The most popular route (Seattle/Tacoma Intl - San Francisco), is priced around $171.

What are the most reliable airlines from Seattle to Palo Alto?

Before booking your flight to Palo Alto from Seattle, check out the most reliable airlines to get you to your destination on time: Aeromexico (92%), Air France (91%), SkyWest Airlines( 74%).

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

Alaska Airlines, United Airlines and Delta are the most popular airlines when flying from Seattle to Palo Alto.

What airport do you fly from for flights from Seattle to Palo Alto?

Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Palo Alto from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Palo Alto should be relatively easy as there are 65 daily outbound flights to Palo Alto from 7 different airlines.

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

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

How can I find direct flights from Seattle to Palo Alto?

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

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

Yes. Cheapflights offers flight deals from Seattle to Palo Alto 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 Seattle to Palo Alto

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Palo Alto are usually found in January or September, booked 48 days in advance, depart on a Friday or Thursday and return on a Thursday

Find flight deals from Seattle to Palo Alto

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	July
Cheapest in	January
Average price	$254

Provider with most accurate pricing for Seattle/Tacoma Intl-San Francisco flight deals.

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Highest demand for flights based on searches. 8% potential increase in price ($27 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($5 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 Seattle to Palo Alto

Prices

Airlines

What is the cheapest time of day to fly from SEA to P4L?

It’s optimal to fly from Seattle to Palo Alto in the evening. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Seattle to Palo Alto?

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

Reviews of airlines servicing Palo Alto

Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Seattle to Palo Alto 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

13,096 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Alaska Airlines

7.9

Good

13,096 reviews

Alaska Airlines

7.9

Good

13,096 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Delta

7.8

Good

8,650 reviews

Alaska Airlines

7.9

Good

13,096 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Hawaiian Airlines

7.8

Good

2,806 reviews

Alaska Airlines

7.9

Good

13,096 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

United Airlines

7.3

Good

10,388 reviews

Alaska Airlines

7.9

Good

13,096 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Frontier

5.5

Fair

2,523 reviews

Alaska Airlines

7.9

Good

13,096 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

What airport do you fly from for flights from Seattle to Palo Alto?
Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Palo Alto from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Palo Alto should be relatively easy as there are 65 daily outbound flights to Palo Alto from 7 different airlines.
How popular is this Seattle to Palo Alto flight route?
This flight path from Seattle/Tacoma Intl to Palo Alto was viewed by 135 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines to fly from Seattle to Palo Alto one-way?
One-way options have recently been found by users for as low as $54 on Frontier. Other airlines that offer cheap prices include Delta from $58 and Alaska Airlines from $75 one-way.
What are the most reliable airlines from Seattle to Palo Alto?
Before booking your flight to Palo Alto from Seattle, check out the most reliable airlines to get you to your destination on time: Aeromexico (92%), Air France (91%), SkyWest Airlines( 74%).
What are the cheapest flights from Seattle to Palo Alto?
Looking for the cheapest flight from Seattle to Palo Alto? While on average our users pay $848, our data indicates the cheapest price to be $78. The most popular route (Seattle/Tacoma Intl - San Francisco), is priced around $171.
Can I find deals for flights from Seattle to Palo Alto that include hotel bookings?
Yes. In addition to deals on Seattle to Palo Alto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Palo Alto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Palo Alto.
Can I find deals for business class flights from Seattle to Palo Alto?
Yes. Cheapflights offers flight deals from Seattle to Palo Alto 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 7 airlines flying from Seattle to Palo Alto

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$81	Average$230	FlexibilityNo cancel fee	On-timeN/A
Frontier	Cheapest$94	Average$286	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$105	Average$383	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$116	Average$299	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$117	Average$280	FlexibilityNo cancel fee	On-time69%
Hawaiian Airlines	Cheapest$247	Average$305	FlexibilityNo cancel fee	On-time85%
American Airlines	Cheapest$317	Average$773	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Seattle (SEA) to Palo Alto, CA

Find cheap flights from Seattle to Palo Alto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Seattle to Palo Alto

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 SEA to P4L?

It’s optimal to fly from Seattle to Palo Alto in the evening. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Seattle to Palo Alto?

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

Weekly flight availability from Seattle to Palo Alto

The most flights from SEA to P4L are scheduled on a Sunday (91 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (51 on average).

Reviews of airlines servicing Palo Alto

Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Seattle to Palo Alto 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 from for flights from Seattle to Palo Alto?

How popular is this Seattle to Palo Alto flight route?

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

What are the most reliable airlines from Seattle to Palo Alto?

What are the cheapest flights from Seattle to Palo Alto?

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

How can I find direct flights from Seattle to Palo Alto?

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

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 Seattle to Palo Alto

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

Complete your trip

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

Search flights from Seattle to Palo Alto by cabin class

Find flights from Seattle to Palo Alto, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Seattle and Palo Alto flights

Browse other Seattle and Palo Alto flight options. Last updated on October 20, 2026.

Other flights from Seattle

Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on October 20, 2026.

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Top 7 airlines flying from Seattle to Palo Alto

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