
United Flight UA400 Deals & Information (2025/2026)
Wander Wisely with exceptional service, 24/7 supportOpens in a new window
Feel at ease with free flight cancellations within 24 hours of booking
Change your flight without a fee on select flights
United Flight 400 Route Deals From $50
The cheapest prices found with in the last 7 days for return flights were $139 and $50 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.
SBA
Santa Barbara Municipal
SFO
San Francisco Intl.
$139 Roundtrip, found 4 days ago
$139
Roundtrip
found 4 days ago
SBA
Santa Barbara Municipal
SFO
San Francisco Intl.
$200 Roundtrip, found 4 days ago
$200
Roundtrip
found 4 days ago
SBA
Santa Barbara Municipal
SFO
San Francisco Intl.
$236 Roundtrip, found 4 days ago
$236
Roundtrip
found 4 days ago
SBA
Santa Barbara Municipal
SFO
San Francisco Intl.
$239 Roundtrip, found 3 days ago
$239
Roundtrip
found 3 days ago
SBA
Santa Barbara Municipal
SFO
San Francisco Intl.
$241 Roundtrip, found 23 hours ago
$241
Roundtrip
found 23 hours ago
SBA
Santa Barbara Municipal
SFO
San Francisco Intl.
$274 Roundtrip, just found
$274
Roundtrip
just found
SBA
Santa Barbara Municipal
SFO
San Francisco Intl.
$284 Roundtrip, just found
$284
Roundtrip
just found