CA $104 Cheap Flights from Seattle (SEA) to San Diego (SAN)

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Seattle to San Diego Flights

The easy way to book your flights from Seattle to San Diego

With Expedia, it’s simple to find and book flights to San Diego from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 6 airlines that cover this route. There are Delta Air Lines, Alaska Airlines nonstop flights to San Diego Intl., too.

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to San Diego today, tomorrow, or this week.

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to San Diego Intl., SAN

Sort your search results by price to find great deals on your flight from Seattle to San Diego—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Diego from Seattle currently is just CA $166 rising to CA $269.

Here are more money-saving tips:

• Fly in December when flight prices are normally at their lowest
• Book about a month to 6 weeks before you travel for the best prices to San Diego
• Avoid peak season and weekends when flights can cost more
• Early morning and late-night flights are sometimes cheaper, so try varying your travel times
• One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!

Reasons to choose Expedia for your flight to San Diego from Seattle

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to San Diego with Expedia today.

Frequently Asked Questions

How much does a flight from Seattle, WA (SEA) to San Diego, CA (SAN) cost?

You can find cheap one-way flights from CA $104 and cheap return flights CA $166 SEA to SAN with Expedia. One-way flights typically cost between CA$188 and CA$840 and return flights often range between CA$767 and CA$2,183. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to SAN ticket fares go up or down.

What is the cheapest month to fly from Seattle, WA (SEA) to San Diego, CA (SAN)?

The cheapest months to fly from Seattle, WA (SEA) to San Diego, CA (SAN) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.)?

There are 3 airlines offering direct flights from Seattle - Tacoma Intl. (SEA) to San Diego Intl. (SAN). Here are some of the top carriers:

* Delta operates 35 direct flights from Seattle - Tacoma Intl. to San Diego Intl. every week.
* Southwest Airlines operates 11 direct flights from Seattle - Tacoma Intl. to San Diego Intl. every week.
* American Airlines operates 7 direct flights from Seattle - Tacoma Intl. to San Diego Intl. every week.

How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.)?

To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.)?

The best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

What is the best time to fly from Seattle, WA (SEA) to San Diego, CA (SAN)?

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.)?

You'll find approximately 7 nonstop flights per day from Seattle - Tacoma Intl. (SEA) to San Diego Intl. (SAN). For even more choices, look at flights that include layovers, as there are around 110 connecting flights per day. Some common connection points include San Francisco Intl. (SFO), Denver Intl. (DEN), and Portland Intl. (PDX).

What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.)?

The earliest flight from Seattle - Tacoma Intl. (SEA) to San Diego Intl. (SAN) typically departs around 12:05 AM local time, operated by American Airlines. This is a seasonal service, active in February and March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.)?

You'll find the most flights from Seattle - Tacoma Intl. (SEA) to San Diego Intl. (SAN) on Thursdays, with around 124 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, United, and Southwest Airlines. Thursdays offer notably more flight options compared to other days of the week, so if flexibility is key, this might be a good day to consider flying.

What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.)?

The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to San Diego Intl. (SAN) are in the early morning, from 6am to 9am. Many major carriers, including Alaska Airlines, Delta and Southwest Airlines, offer flights during this window. Many travellers prefer these times because you can get an early start on your day in San Diego.

How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.)?

A non-stop flight from Seattle - Tacoma Intl. (SEA) to San Diego Intl. (SAN) typically takes around 3 hours. This route covers a distance of approximately 1,691 kilometers. If you opt for a one-stop flight, your travel time will be longer, usually around 6 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.

Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.)?

Yes, you can fly business class or first class between Seattle - Tacoma Intl. (SEA) and San Diego Intl. (SAN).

Airlines that offer business class service on this route include:

* Alaska Airlines
* Frontier Airlines
* Delta
* American Airlines

First class cabins are available on:

* Alaska Airlines
* United
* Delta
* Hawaiian Airlines
* American Airlines

How much is a business class flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.)?

A direct, return business class ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.) typically costs between CA$1,398 - CA$2,084. A non-stop, one-way business class flight is usually around CA$414 - CA$1,054. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.) if you opt for a connecting flight.

How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?

It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

What airports do you fly into for San Diego, CA (SAN) from Seattle, WA (SEA)?

If you're planning to travel to San Diego from Seattle - Tacoma Intl. (SEA), you can fly directly into San Diego Intl. (SAN). Some flights may connect through major hubs like San Francisco Intl. (SFO), Denver Intl. (DEN), or Los Angeles Intl. (LAX) before reaching San Diego. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.) at the last minute?

Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?

Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.)?

If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.