United Flight 1939 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 1939 Route Deals From $161

The cheapest prices found with in the last 7 days for return flights were $286 and $161 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 6 - Sat, Sep 13
BWI
Baltimore Washington Intl. Thurgood Marshall
SFO
San Francisco Intl.
$286 Roundtrip, found 14 hours ago
$286
Roundtrip
found 14 hours ago
Select United flight, departing Sat, Sep 6 from Baltimore Washington Intl. Thurgood Marshall to San Francisco Intl., returning Sat, Sep 13, priced at $286 found 14 hours ago
Wed, Aug 13 - Wed, Aug 20
BWI
Baltimore Washington Intl. Thurgood Marshall
SFO
San Francisco Intl.
$297 Roundtrip, found 3 hours ago
$297
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Aug 13 from Baltimore Washington Intl. Thurgood Marshall to San Francisco Intl., returning Wed, Aug 20, priced at $297 found 3 hours ago
Wed, Aug 13 - Wed, Aug 20
BWI
Baltimore Washington Intl. Thurgood Marshall
SFO
San Francisco Intl.
$307 Roundtrip, found 3 hours ago
$307
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Aug 13 from Baltimore Washington Intl. Thurgood Marshall to San Francisco Intl., returning Wed, Aug 20, priced at $307 found 3 hours ago

Frequently asked questions

What route does flight number UA1939 take?
You’ll be touching down at PBI from EWR if you’re traveling on flight number UA1939. You’ll be in the air for 3 hours and 1 minute on this trip. It’s also worthwhile noting that the flight conveniently operates non-stop.
What terminal does UA1939 fly out of?
Passengers with seats booked on flight number UA1939 from EWR to PBI generally take off from Terminal C.
What kind of plane is on flight number UA1939?
Get ready to jump on board a Boeing 737-900 if your flight number is UA1939. Nearly all flights from Newark Airport to PBI use this aircraft type.
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 UA1939 flight with Travelocity, please visit our Customer Service Portal.