United Flight 4781 Deals & Information (2025/2026)

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United Flight 4781 Route Deals From $74

The cheapest prices found with in the last 7 days for return flights were $97 and $74 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 15 - Tue, Dec 16
PDX
Portland Intl.
SFO
San Francisco Intl.
$97 Roundtrip, found 5 days ago
$97
Roundtrip
found 5 days ago
Select United flight, departing Mon, Dec 15 from Portland Intl. to San Francisco Intl., returning Tue, Dec 16, priced at $97 found 5 days ago
Mon, Dec 15 - Tue, Dec 16
PDX
Portland Intl.
SFO
San Francisco Intl.
$115 Roundtrip, found 5 days ago
$115
Roundtrip
found 5 days ago
Select United flight, departing Mon, Dec 15 from Portland Intl. to San Francisco Intl., returning Tue, Dec 16, priced at $115 found 5 days ago
Mon, Dec 15 - Tue, Dec 16
PDX
Portland Intl.
SFO
San Francisco Intl.
$116 Roundtrip, found 5 days ago
$116
Roundtrip
found 5 days ago
Select United flight, departing Mon, Dec 15 from Portland Intl. to San Francisco Intl., returning Tue, Dec 16, priced at $116 found 5 days ago
Sat, Nov 8 - Tue, Nov 11
PDX
Portland Intl.
SFO
San Francisco Intl.
$119 Roundtrip, found 1 day ago
$119
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 8 from Portland Intl. to San Francisco Intl., returning Tue, Nov 11, priced at $119 found 1 day ago
Sat, Nov 8 - Tue, Nov 11
PDX
Portland Intl.
SFO
San Francisco Intl.
$139 Roundtrip, found 1 day ago
$139
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 8 from Portland Intl. to San Francisco Intl., returning Tue, Nov 11, priced at $139 found 1 day ago

Frequently asked questions

What route does flight number UA4781 take?
UA4781 takes a number of routes. The most frequently flown is DIA airport to Midland, TX Airport (MAF-Midland Intl.), which is a direct flight. This flight generally takes 1 hour and 51 minutes. However, you might find other flights with the same number that are multi-stop.
What kind of plane is on flight number UA4781?
UA4781 is a flight number that serves multiple routes. If you're traveling on its most popular one, DEN to Midland Intl. Airport (MAF), there's a good chance you'll be hopping aboard the Bombardier CRJ.
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 UA4781 flight with Travelocity, please visit our Customer Service Portal.