Cheap United flights from San Diego to Seattle (SAN to SEA)

Find The Best Day To Fly from San Diego to Seattle

Amazing United SAN to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $221 round trip and one way. Prices and availability subject to change. Additional terms may apply.

Sat, May 18 - Mon, May 20
SAN
San Diego
SEA
Seattle
$221 Roundtrip, found 19 hours ago
$221
Roundtrip
found 19 hours ago
Select United flight, departing Sat, May 18 from San Diego to Seattle, returning Mon, May 20, priced at $221 found 19 hours ago

SEA From SAN Economy Coach Packages on Similar Airlines

Prices and availability subject to change. Additional terms may apply.
Lotte Hotel Seattle

Lotte Hotel Seattle

5 out of 5
Save 100% on your flight
per person
Jun 1 - Jun 5
Roundtrip flight included
San Diego (SAN) to Seattle (SEA)
Hotel Max

Hotel Max

3.5 out of 5
Save 100% on your flight
per person
May 27 - Jun 1
Roundtrip flight included
San Diego (SAN) to Seattle (SEA)
Mediterranean Inn

Mediterranean Inn

3 out of 5
Save 100% on your flight
per person
Jun 1 - Jun 5
Roundtrip flight included
San Diego (SAN) to Seattle (SEA)
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Frequently asked questions

Can I catch a flight from San Diego Intl. Airport (SAN) to Seattle - Tacoma Intl. Airport (SEA) right now?
Be sure to go to the Covid-19 Travel Advisor to discover if there are any current travel advice reports and quarantine requirements in place in Sea-Tac Airport when jet-setting from San Diego Intl. Airport (SAN).
What terminal is United Airlines at San Diego Airport?
Once you’re issued with the boarding pass for your United Airlines flight from SAN to SEA, you should be able to determine which terminals you’ll be jetting in and out of. Your airline will have the answers if you can’t find those details on your ticket.
Are there United Airlines non-stop flights from SAN to SEA?
If you’re looking at flights with United Airlines from SAN to Seattle - Tacoma Intl. Airport (SEA), you’ll have to make a stopover. While waiting for your connection, use the time to grab a refreshment or go for a wander.
How long is a United Airlines flight from SAN to SEA?
Indulge in some in-flight shut-eye and start your vacation well-rested. You’ll have enough time to do so when traveling with United Airlines between San Diego Intl. Airport (SAN) and Seattle - Tacoma Intl. Airport (SEA), with the flight taking an average of 4 hours and 6 minutes.
How many direct and indirect flights does United Airlines fly from SAN to SEA?
United Airlines offers no fewer than 5 flights daily from San Diego Airport to Sea-Tac Airport.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to SEA, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.
CarrierFlightDepart SANArrive SEAThu
4/25		Fri
4/26		Sat
4/27		Sun
4/28		Mon
4/29		Tue
4/30		Wed
5/1		Stops
UA198606:15 am00:07 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
1 Stops

Discover our best United flight from San Diego SAN to Seattle SEA 

To find the best deals on flights to San Diego from Seattle with United, just enter your travel dates, filter by United, and hit search. You’ll find 1 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from San Diego SAN to Seattle SEA with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $221 to $221, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from San Diego SAN to Seattle SEA 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from San Diego to Seattle costs from . Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Seattle SEA from  San Diego SAN with United 

To find a cheap United flight from San Diego SAN to Seattle SEA, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from San Diego SAN to Seattle SEA 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as May, or if you book a flight with a stopover. 

 

Find nonstop flights from San Diego SAN to Seattle SEA with United 

If you’re keen to be on Seattle soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around 5 hour(s) 52 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from San Diego SAN to Seattle SEA 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Seattle SEA from  San Diego SAN with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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