
$460 Cheap United flights from Sun Valley to Seattle (SUN to SEA)
Find The Best Day To Fly from Sun Valley to Seattle
Amazing United SUN to SEA Flight Deals
The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $855 round trip and $460 one way. Prices and availability subject to change. Additional terms may apply.
SEA From SUN Economy Coach Packages on Similar Airlines



Discover our best United flight from Sun Valley SUN to Seattle SEA
To find the best deals on flights to Sun Valley from Seattle with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Sun Valley SUN 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 $855 to $855, 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 Sun Valley SUN 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 Sun Valley to Seattle costs from $460. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Seattle SEA from Sun Valley SUN with United
To find a cheap United flight from Sun Valley SUN 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 Sun Valley SUN 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 July, or if you book a flight with a stopover.
Find nonstop flights from Sun Valley SUN 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 hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for United flights from Sun Valley SUN 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 Sun Valley SUN 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.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
ORD | USA | O'Hare Intl. | 227 |
DEN | USA | Denver Intl. | 226 |
IAH | USA | George Bush Intercontinental | 136 |
IAD | USA | Washington Dulles Intl. | 100 |
SFO | USA | San Francisco Intl. | 64 |
LAX | USA | Los Angeles Intl. | 23 |
EWR | USA | Liberty Intl. | 20 |
FRA | DEU | Frankfurt Intl. | 19 |
NRT | JPN | Narita Intl. | 19 |
PEK | CHN | Capital Intl. | 16 |
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Popular United Flight Routes from SUN
Domestic
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Chicago to Las Vegas (ORD - LAS)
- San Jose to Tokyo (SJC - HND)
- Philadelphia to San Juan (PHL - SJU)
- Seattle to Tokyo (SEA - HND)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Newark Liberty Intl. Airport to Rome (EWR - FCO)
- San Francisco to Tokyo (SFO - HND)
- San Francisco to Tokyo (SFO - NRT)
- Dallas to Tokyo (DFW - NRT)
International
- San Francisco to Tokyo (SFO - HND)
- San Jose to Tokyo (SJC - NRT)
- Philadelphia to San Juan (PHL - SJU)
- Dallas to Tokyo (DFW - NRT)
- Newark Liberty Intl. Airport to Fort Lauderdale (EWR - FLL)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Newark Liberty Intl. Airport to Rome (EWR - FCO)
- Dallas to Tokyo (DFW - HND)
- Los Angeles to San Salvador (LAX - SAL)
- Dallas to Tokyo (DFW - NRT)