United Flight UA1870 Deals & Information (2025/2026)

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United Flight 1870 Route Deals From $149

The cheapest prices found with in the last 7 days for return flights were $294 and $149 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 17 - Sat, Oct 18
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$294 Roundtrip, found 10 hours ago
$294
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Oct 17 from San Francisco Intl. to Washington Dulles Intl., returning Sat, Oct 18, priced at $294 found 10 hours ago

Frequently asked questions

What route does flight number UA1870 take?
You’ll be landing at SAN from Houston, TX Airport (IAH-George Bush Intercontinental) if you’re traveling on flight number UA1870. You’ll be in the sky for 3 hours and 27 minutes on this trip. What’s more, it conveniently travels non-stop.
What terminal does UA1870 fly out of?
Travelers with a booking on flight number UA1870 from George Bush Intercontinental Airport (IAH) to San Diego Airport usually fly out of Terminal C.
What kind of plane is on flight number UA1870?
Get set to step aboard an Airbus A319 if you’ve reserved a seat on flight UA1870. The majority of flights from Houston, TX Airport (IAH-George Bush Intercontinental) to San Diego Airport are operated using this type 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 UA1870 flight with Travelocity, please visit our Customer Service Portal.