United Flight UA1434 Deals & Information (2025/2026)

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United Flight 1434 Route Deals From $139

The cheapest prices found with in the last 7 days for return flights were $237 and $139 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 3 - Tue, Feb 10
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$237 Roundtrip, found 2 days ago
$237
Roundtrip
found 2 days ago
Select United flight, departing Tue, Feb 3 from Washington Dulles Intl. to San Francisco Intl., returning Tue, Feb 10, priced at $237 found 2 days ago
Wed, Nov 5 - Sat, Nov 8
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$241 Roundtrip, just found
$241
Roundtrip
just found
Select United flight, departing Wed, Nov 5 from Washington Dulles Intl. to San Francisco Intl., returning Sat, Nov 8, priced at $241 just found
Thu, Dec 4 - Tue, Dec 9
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$257 Roundtrip, just found
$257
Roundtrip
just found
Select United flight, departing Thu, Dec 4 from Washington Dulles Intl. to San Francisco Intl., returning Tue, Dec 9, priced at $257 just found
Sat, Nov 8 - Wed, Nov 12
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$270 Roundtrip, found 20 hours ago
$270
Roundtrip
found 20 hours ago
Select United flight, departing Sat, Nov 8 from Washington Dulles Intl. to San Francisco Intl., returning Wed, Nov 12, priced at $270 found 20 hours ago
Thu, Dec 4 - Tue, Dec 9
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$280 Roundtrip, just found
$280
Roundtrip
just found
Select United flight, departing Thu, Dec 4 from Washington Dulles Intl. to San Francisco Intl., returning Tue, Dec 9, priced at $280 just found
Thu, Nov 6 - Sun, Nov 9
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$282 Roundtrip, found 9 hours ago
$282
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Nov 6 from Washington Dulles Intl. to San Francisco Intl., returning Sun, Nov 9, priced at $282 found 9 hours ago
Fri, Feb 27 - Sun, Mar 1
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select United flight, departing Fri, Feb 27 from Washington Dulles Intl. to San Francisco Intl., returning Sun, Mar 1, priced at $284 found 1 day ago
Thu, Dec 4 - Tue, Dec 9
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$287 Roundtrip, just found
$287
Roundtrip
just found
Select United flight, departing Thu, Dec 4 from Washington Dulles Intl. to San Francisco Intl., returning Tue, Dec 9, priced at $287 just found
Fri, Oct 24 - Wed, Oct 29
IAD
Washington Dulles Intl.
SFO
San Francisco Intl.
$290 Roundtrip, found 1 hour ago
$290
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Oct 24 from Washington Dulles Intl. to San Francisco Intl., returning Wed, Oct 29, priced at $290 found 1 hour ago

Frequently asked questions

What route does flight number UA1434 take?
Flight number UA1434 operates non-stop from IAH to San Francisco, CA Airport (SFO-San Francisco Intl.). During this trip, expect to be in the air for 4 hours and 25 minutes. It's wise to book ahead to get your preferred seat.
How often is UA1434 on time?
United Airlines flight number UA1434 between IAH and SFO runs as scheduled 87% of the time — so you can be confident you will touch down at your destination ASAP. If the flight happens to be late, you'll likely wait about 34 minutes. This route has a 2.85-star rating.
What terminal does UA1434 fly out of?
Flight number UA1434 runs between Houston, TX Airport (IAH-George Bush Intercontinental) and San Francisco Intl. Airport (SFO), and travelers on this flight normally take off from Terminal C.
What kind of plane is on flight number UA1434?
The route for flight number UA1434 is generally Houston Airport to San Francisco, CA Airport (SFO-San Francisco Intl.), and the Boeing 737-800 is the type of plane you're likely to be heading off on.
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 UA1434 flight with Travelocity, please visit our Customer Service Portal.