Question 1

How popular is this Seattle to San Diego flight route?

Accepted Answer

This flight path from Seattle/Tacoma Intl to San Diego was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 2

What are the cheapest airlines flying from Seattle to San Diego round-trip?

Accepted Answer

Currently priced at £119, Delta will fly you from Seattle to San Diego and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Hawaiian Airlines - these airlines can fly you to your destination from £133 and £145, respectively. Delta is 39% cheaper than the average price of flights available within the next 90 days to this destination.

Question 3

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

Accepted Answer

One-way options have recently been found by users for as low as £67 on Alaska Airlines. Other airlines that offer cheap prices include Delta from £67 and Southwest from £71 one-way.

Question 4

How far ahead should I book a flight from Seattle to San Diego?

Accepted Answer

The best time to book flights from Seattle to San Diego is 54 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.

Question 5

What is the cheapest month to book a flight from Seattle to San Diego?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Seattle to San Diego (average of £585). Flying from Seattle to San Diego in July is currently the most expensive (average of £920). 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.

Question 6

What is the cheapest day to fly from Seattle to San Diego?

Accepted Answer

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

Question 7

Weekly flight availability from Seattle to San Diego

Accepted Answer

The most flights from SEA to SAN are scheduled on a Monday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Question 9

E

Accepted Answer

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Question 10

What are the cheapest flights from Seattle to San Diego?

Accepted Answer

Looking for the cheapest flight from Seattle to San Diego? While on average our users pay £150, our data indicates the cheapest price to be £59. The most popular route (Seattle/Tacoma Intl - San Diego), is priced around £222.

Question 11

What are the most reliable airlines from Seattle to San Diego?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Seattle to San Diego consider choosing China Airlines (97%), LATAM Airlines (97%) or WestJet (94%) as they are the most reliable in getting you off to your destination on time.

Question 12

How far in advance should I book a flight from Seattle to San Diego?

Accepted Answer

Travelers have found it’s best to book a flight 55 days in advance to save up to 191% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 55 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to San Diego 1-2 weeks in advance for as low as £342, or £458 for flights within the next 24 hours.

Question 13

What is the cheapest month to fly from Seattle to San Diego?

Accepted Answer

September is one of the best times of the year to fly to San Diego from Seattle. Prices for September average £196 per person but you can even find prices for as low as £88. The most expensive prices can be found in the month of December. Opting for a September flight can save you 29% on your journey compared to booking in December

Question 14

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

Accepted Answer

It’s optimal to fly from Seattle to San Diego at midday. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the afternoon.

Question 15

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

Accepted Answer

Yes. In addition to deals on Seattle to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 16

How can I find direct flights from Seattle to San Diego?

Accepted Answer

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

Question 17

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

Accepted Answer

Yes. Cheapflights offers flight deals from Seattle to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 18

How does Cheapflights help users find flights from Seattle to San Diego?

Accepted Answer

When you search for this flight from Seattle to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 19

Why should you use Cheapflights to find cheap flight tickets from Seattle to San Diego?

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 20

Can Cheapflights find flights from Seattle to San Diego with no change fees?

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to San Diego flexibly with Cheapflights today.

Question 21

Can Cheapflights notify me if prices for flights from Seattle to San Diego become cheaper?

Accepted Answer

Yes, Cheapflights offers price alerts on Seattle to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£119
One-way from	£67
Popular in	December
Cheapest in	September
Average price	£232
Good one-way deal	£59 or less

Cheap flights from Seattle to San Diego from £67

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Seattle to San Diego

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Find flight deals from Seattle to San Diego

Cheapest flights from Seattle to San DiegoExplore the most affordable flight options available from Seattle to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Explore the most affordable flight options available from Seattle to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to San Diego that are best for you.

Best time to book a flight from Seattle to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to San Diego

How far ahead should I book a flight from Seattle to San Diego?

Use this chart to determine the optimal time to book a return flight from Seattle to San Diego. Price data was last updated on 11 April 2025.

What is the cheapest month to book a flight from Seattle to San Diego?

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

Find hourly flight availability from Seattle to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 April 2025.

Weekly flight availability from Seattle to San Diego

Explore weekly flight availability from Seattle to San Diego. 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 16 April 2025.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

Reviews of airlines servicing San Diego

Related info for your journey

Find useful and relevant information for your journey from Seattle to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How popular is this Seattle to San Diego flight route?

What are the cheapest airlines flying from Seattle to San Diego round-trip?

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

What are the most reliable airlines from Seattle to San Diego?

What are the cheapest flights from Seattle to San Diego?

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

How can I find direct flights from Seattle to San Diego?

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

What is the cheapest month to book a flight from Seattle to San Diego?

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How does Cheapflights help users find flights from Seattle to San Diego?

Why should you use Cheapflights to find cheap flight tickets from Seattle to San Diego?

Can Cheapflights find flights from Seattle to San Diego with no change fees?

Can Cheapflights notify me if prices for flights from Seattle to San Diego become cheaper?

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Cheapest flights from Seattle to San Diego
Explore the most affordable flight options available from Seattle to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.