United Flight 1159 Deals & Information (2026/2027)

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United Flight 1159 Route Deals From $162

The cheapest prices found with in the last 7 days for return flights were $204 and $162 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Feb 6 - Sun, Feb 8
IAD
Washington Dulles Intl.
SEA
Seattle - Tacoma Intl.
$204 Roundtrip, found 6 days ago
$204
Roundtrip
found 6 days ago
Select United flight, departing Fri, Feb 6 from Washington Dulles Intl. to Seattle - Tacoma Intl., returning Sun, Feb 8, priced at $204 found 6 days ago
Wed, Feb 25 - Sun, Mar 1
IAD
Washington Dulles Intl.
SEA
Seattle - Tacoma Intl.
$207 Roundtrip, found 4 days ago
$207
Roundtrip
found 4 days ago
Select United flight, departing Wed, Feb 25 from Washington Dulles Intl. to Seattle - Tacoma Intl., returning Sun, Mar 1, priced at $207 found 4 days ago
Sun, Feb 15 - Sun, Mar 1
IAD
Washington Dulles Intl.
SEA
Seattle - Tacoma Intl.
$219 Roundtrip, found 3 hours ago
$219
Roundtrip
found 3 hours ago
Select United flight, departing Sun, Feb 15 from Washington Dulles Intl. to Seattle - Tacoma Intl., returning Sun, Mar 1, priced at $219 found 3 hours ago
Tue, Feb 17 - Thu, Feb 26
IAD
Washington Dulles Intl.
SEA
Seattle - Tacoma Intl.
$225 Roundtrip, found 3 hours ago
$225
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Feb 17 from Washington Dulles Intl. to Seattle - Tacoma Intl., returning Thu, Feb 26, priced at $225 found 3 hours ago
Wed, Feb 25 - Sun, Mar 1
IAD
Washington Dulles Intl.
SEA
Seattle - Tacoma Intl.
$227 Roundtrip, found 4 days ago
$227
Roundtrip
found 4 days ago
Select United flight, departing Wed, Feb 25 from Washington Dulles Intl. to Seattle - Tacoma Intl., returning Sun, Mar 1, priced at $227 found 4 days ago
Tue, Feb 17 - Thu, Feb 26
IAD
Washington Dulles Intl.
SEA
Seattle - Tacoma Intl.
$230 Roundtrip, found 3 hours ago
$230
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Feb 17 from Washington Dulles Intl. to Seattle - Tacoma Intl., returning Thu, Feb 26, priced at $230 found 3 hours ago
Sun, Feb 15 - Sun, Mar 1
IAD
Washington Dulles Intl.
SEA
Seattle - Tacoma Intl.
$239 Roundtrip, found 3 hours ago
$239
Roundtrip
found 3 hours ago
Select United flight, departing Sun, Feb 15 from Washington Dulles Intl. to Seattle - Tacoma Intl., returning Sun, Mar 1, priced at $239 found 3 hours ago
Tue, Feb 17 - Thu, Feb 26
IAD
Washington Dulles Intl.
SEA
Seattle - Tacoma Intl.
$240 Roundtrip, found 3 hours ago
$240
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Feb 17 from Washington Dulles Intl. to Seattle - Tacoma Intl., returning Thu, Feb 26, priced at $240 found 3 hours ago
Tue, Feb 17 - Tue, Feb 24
IAD
Washington Dulles Intl.
SEA
Seattle - Tacoma Intl.
$244 Roundtrip, found 2 days ago
$244
Roundtrip
found 2 days ago
Select United flight, departing Tue, Feb 17 from Washington Dulles Intl. to Seattle - Tacoma Intl., returning Tue, Feb 24, priced at $244 found 2 days ago

Frequently asked questions

What route does flight number UA1159 take?
You'll arrive into SFO from Cancun Intl. Airport (CUN) if you're traveling on flight number UA1159. You'll be in the sky for 5 hours and 41 minutes during this trip. What's more, the flight conveniently travels direct.
How often is UA1159 on time?
United Airlines flight number UA1159 from Cancun Airport to San Francisco, CA Airport (SFO-San Francisco Intl.) lands as scheduled 95% of the time — so you can relax with confidence knowing that you'll arrive at your destination ASAP. If this flight is late, you can expect to wait about 10 minutes. This route has a 4.55-star rating.
What terminal does UA1159 fly out of?
UA1159 runs between CUN and San Francisco Airport, and travelers taking this flight typically depart from Terminal 3.
What kind of plane is on flight number UA1159?
The Boeing 737-900 is the aircraft model usually used for flight UA1159. Typically, this flight heads off from Cancun Intl. Airport (CUN) and touches down at San Francisco, CA Airport (SFO-San Francisco Intl.).
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA1159 flight with Travelocity, please visit our Customer Service Portal.