$47 Cheap Flights from Seattle (SEA) to San Diego (SAN)

View $47 flight on Wed, May 21, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Seattle to San Diego (SEA-SAN)

Prices were available within the past 7 days and start at $47 for one-way flights and $94 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, May 21 - Wed, May 28
SEA
Seattle
SAN
San Diego
$94 Roundtrip, just found
$94
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, May 21 from Seattle to San Diego, returning Wed, May 28, priced at $94 just found
Spirit Airlines
Wed, May 21 - Wed, May 28
SEA
Seattle
SAN
San Diego
$115 Roundtrip, just found
$115
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, May 21 from Seattle to San Diego, returning Wed, May 28, priced at $115 just found
Spirit Airlines
Wed, May 21 - Fri, May 30
SEA
Seattle
SAN
San Diego
$117 Roundtrip, found 2 hours ago
$117
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Wed, May 21 from Seattle to San Diego, returning Fri, May 30, priced at $117 found 2 hours ago
Spirit Airlines
Wed, May 21 - Wed, May 28
SEA
Seattle
SAN
San Diego
$119 Roundtrip, just found
$119
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, May 21 from Seattle to San Diego, returning Wed, May 28, priced at $119 just found
Spirit Airlines
Wed, May 28 - Thu, Jun 5
SEA
Seattle
SAN
San Diego
$122 Roundtrip, found 4 hours ago
$122
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Wed, May 28 from Seattle to San Diego, returning Thu, Jun 5, priced at $122 found 4 hours ago
Alaska Airlines
Wed, May 21 - Wed, May 28
SEA
Seattle
SAN
San Diego
$126 Roundtrip, just found
$126
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, May 21 from Seattle to San Diego, returning Wed, May 28, priced at $126 just found
Alaska Airlines
Sat, May 17 - Wed, May 21
SEA
Seattle
SAN
San Diego
$128 Roundtrip, found 2 hours ago
$128
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Sat, May 17 from Seattle to San Diego, returning Wed, May 21, priced at $128 found 2 hours ago
Southwest Airlines
Mon, May 19 - Wed, May 28
SEA
Seattle
SAN
San Diego
$141 Roundtrip, just found
$141
Roundtrip
just found
Select Southwest Airlines flight, departing Mon, May 19 from Seattle to San Diego, returning Wed, May 28, priced at $141 just found
Frontier Airlines
Sat, May 17 - Wed, May 21
SEA
Seattle
SAN
San Diego
$145 Roundtrip, found 2 hours ago
$145
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, May 17 from Seattle to San Diego, returning Wed, May 21, priced at $145 found 2 hours ago
Delta
Wed, Jun 11 - Sat, Jun 14
SEA
Seattle
SAN
San Diego
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Delta flight, departing Wed, Jun 11 from Seattle to San Diego, returning Sat, Jun 14, priced at $157 just found

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN) cost?
Pick up cheap return flights starting from $151 from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving SEA on May 13 2025 and touching down at SAN. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from SEA to SAN?
The cheapest flights from SEA to SAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Jump on a nonstop flight with Alaska Airlines and go straight from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN).
What is the cheapest airline that flies from SEA to SAN?
With tickets starting at $79 for a one-way flight from SEA to SAN, Alaska Airlines is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SEA on June 17 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Daily, an average of 11 direct flights take off from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN). Select the departure date that best fits your schedule.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Flights between SEA and SAN are their busiest at 9 AM. For a less crowded experience and potentially cheaper prices, look for a departure that’s outside typical rush times.
What day of the week has the most flights from SEA to SAN?
If you travel on a Thursday, you’ll get the widest range of options for flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
Seattle - Tacoma Intl. Airport (SEA)’s earliest flight to San Diego Intl. Airport (SAN) leaves at approximately 7:00AM UTC-8. With a travel duration of 2h 48m, you’ll touch down at around 9:48AM UTC-8.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
It usually takes 2 hours and 48 minutes to cover the 1,050 mi from SEA to SAN.
What airline has the least delays from SEA to SAN?
With 87% of journeys typically landing on schedule, Delta Air Lines has the best on-time performance for direct flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN). To check your flight status and receive notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
To avoid possible delays on the Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for San Diego from Seattle - Tacoma Intl. Airport (SEA)?
San Diego Intl. Airport (SAN) is the only airport in San Diego with direct flights from Seattle - Tacoma Intl. Airport (SEA). Explore the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN) last-minute?
Booking your plane ticket from SEA to SAN right before your trip is generally more expensive. But if you’re flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SEA to SAN flight and hotel package?
Booking a SEA to SAN flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN)?
You can usually reschedule or cancel your SEA to SAN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more details on our Customer Service portal.
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