Delta Flight WN3789 Deals & Information (2025/2026)

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Delta Flight 3789 Route Deals From $60

The cheapest prices found with in the last 7 days for return flights were $129 and $60 for one-way flights to Norman Y. Mineta San Jose Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 18 - Tue, Oct 21
SEA
Seattle - Tacoma Intl.
SJC
Norman Y. Mineta San Jose Intl.
$129 Roundtrip, found 22 hours ago
$129
Roundtrip
found 22 hours ago
Select Delta flight, departing Sat, Oct 18 from Seattle - Tacoma Intl. to Norman Y. Mineta San Jose Intl., returning Tue, Oct 21, priced at $129 found 22 hours ago
Thu, Nov 13 - Mon, Nov 17
SEA
Seattle - Tacoma Intl.
SJC
Norman Y. Mineta San Jose Intl.
$139 Roundtrip, found 1 day ago
$139
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Nov 13 from Seattle - Tacoma Intl. to Norman Y. Mineta San Jose Intl., returning Mon, Nov 17, priced at $139 found 1 day ago
Sat, Oct 18 - Tue, Oct 21
SEA
Seattle - Tacoma Intl.
SJC
Norman Y. Mineta San Jose Intl.
$162 Roundtrip, found 22 hours ago
$162
Roundtrip
found 22 hours ago
Select Delta flight, departing Sat, Oct 18 from Seattle - Tacoma Intl. to Norman Y. Mineta San Jose Intl., returning Tue, Oct 21, priced at $162 found 22 hours ago

Frequently asked questions

What route does flight number DL3789 take?
DL3789 jets from LAX to Boise Airport (BOI) and is a direct flight. This journey typically takes 2 hours and 8 minutes.
How often is DL3789 on time?
Delta flight number DL3789 between LAX and BOI runs on schedule 93% of the time — so you can relaxing knowing you will arrive at your destination ASAP. If the service is delayed, you'll probably wait 12 minutes. This route has a 4.65-star rating.
What terminal does DL3789 fly out of?
Passengers with seats on flight number DL3789 from Los Angeles Intl. Airport (LAX) to BOI typically jet off from Terminal 2.
What kind of plane is on flight number DL3789?
The Embraer 175 is the type of aircraft that's generally used for flight number DL3789. Usually, this flight heads off from Los Angeles, CA Airport (LAX-Los Angeles Intl.) and lands at Boise Airport.
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 DL3789 flight with Travelocity, please visit our Customer Service Portal.