Alaska Airlines Flight AS340 Deals & Information (2025/2026)

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Alaska Airlines Flight 340 Route Deals From $101

The cheapest prices found with in the last 7 days for return flights were $191 and $101 for one-way flights to Pittsburgh Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number AS340 take?
AS340 operates from San Francisco Intl. Airport (SFO) to Newark, NJ Airport (EWR-Liberty Intl.) and is a direct flight. This journey usually takes 5 hours and 45 minutes.
What terminal does AS340 fly out of?
AS340 runs between SFO and Liberty Intl. Airport (EWR), and travelers with a seat on this flight generally board the plane from Terminal 2.
What kind of plane is on flight number AS340?
The Boeing 737-800 is the type of aircraft most often used for flight AS340. This flight almost always departs from SFO and arrives at Newark, NJ Airport (EWR-Liberty Intl.).
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 AS340 flight with Travelocity, please visit our Customer Service Portal.