United Flight UA1865 Deals & Information (2025/2026)

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United Flight 1865 Route Deals From $224

The cheapest prices found with in the last 7 days for return flights were $209 and $224 for one-way flights to Tri-Cities for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 5 - Mon, Sep 8
DEN
Denver Intl.
PSC
Tri-Cities
$209 Roundtrip, found 6 days ago
$209
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 5 from Denver Intl. to Tri-Cities, returning Mon, Sep 8, priced at $209 found 6 days ago
Sun, Oct 26 - Sat, Nov 1
DEN
Denver Intl.
PSC
Tri-Cities
$244 Roundtrip, found 4 days ago
$244
Roundtrip
found 4 days ago
Select United flight, departing Sun, Oct 26 from Denver Intl. to Tri-Cities, returning Sat, Nov 1, priced at $244 found 4 days ago
Fri, Aug 8 - Sat, Aug 9
DEN
Denver Intl.
PSC
Tri-Cities
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select United flight, departing Fri, Aug 8 from Denver Intl. to Tri-Cities, returning Sat, Aug 9, priced at $249 found 6 days ago

Frequently asked questions

What route does flight number UA1865 take?
UA1865 operates non-stop from San Francisco Airport to Logan Intl. Airport. During this journey, expect to be in the air for 5 hours and 43 minutes. Book ahead to get your preferred seat.
What terminal does UA1865 fly out of?
You'll likely be hopping on the plane at Terminal 3 if you're booked on flight UA1865 direct from San Francisco Intl. Airport (SFO) to BOS.
What kind of plane is on flight number UA1865?
Prepare to cruise aboard a Boeing 757-200 if you're traveling on flight UA1865. Nearly all services from San Francisco Airport to Logan Intl. Airport operate using this kind of aircraft.
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 UA1865 flight with Travelocity, please visit our Customer Service Portal.