$221 Cheap United flights Boston (BOS) to Sun Valley (SUN)

$221 Cheap United flights Boston (BOS) to Sun Valley (SUN)

Prices were available within the past 7 days and start at $221 for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 7 - Thu, Feb 12

BOS

Boston

SUN

Sun Valley

$309 Roundtrip, found 7 hours ago

$309

Roundtrip

found 7 hours ago

Select United flight, departing Sat, Feb 7 from Boston to Sun Valley, returning Thu, Feb 12, priced at $309 found 7 hours ago

Sat, Feb 7 - Thu, Feb 12

BOS

Boston

SUN

Sun Valley

$314 Roundtrip, found 7 hours ago

$314

Roundtrip

found 7 hours ago

Select United flight, departing Sat, Feb 7 from Boston to Sun Valley, returning Thu, Feb 12, priced at $314 found 7 hours ago

Sat, Feb 7 - Thu, Feb 12

BOS

Boston

SUN

Sun Valley

$334 Roundtrip, found 7 hours ago

$334

Roundtrip

found 7 hours ago

Select United flight, departing Sat, Feb 7 from Boston to Sun Valley, returning Thu, Feb 12, priced at $334 found 7 hours ago

Sat, Feb 7 - Thu, Feb 12

BOS

Boston

SUN

Sun Valley

$339 Roundtrip, found 7 hours ago

$339

Roundtrip

found 7 hours ago

Select United flight, departing Sat, Feb 7 from Boston to Sun Valley, returning Thu, Feb 12, priced at $339 found 7 hours ago

Sat, Feb 7 - Thu, Feb 12

BOS

Boston

SUN

Sun Valley

$352 Roundtrip, found 7 hours ago

$352

Roundtrip

found 7 hours ago

Select United flight, departing Sat, Feb 7 from Boston to Sun Valley, returning Thu, Feb 12, priced at $352 found 7 hours ago

Sat, Feb 7 - Thu, Feb 12

BOS

Boston

SUN

Sun Valley

$353 Roundtrip, found 7 hours ago

$353

Roundtrip

found 7 hours ago

Select United flight, departing Sat, Feb 7 from Boston to Sun Valley, returning Thu, Feb 12, priced at $353 found 7 hours ago