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.

Fri, Jul 4 - Sat, Jul 5
SEA
Seattle - Tacoma Intl.
PIT
Pittsburgh Intl.
$191 Roundtrip, found 18 hours ago
$191
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Fri, Jul 4 from Seattle - Tacoma Intl. to Pittsburgh Intl., returning Sat, Jul 5, priced at $191 found 18 hours ago
Fri, Jul 4 - Sat, Jul 5
SEA
Seattle - Tacoma Intl.
PIT
Pittsburgh Intl.
$201 Roundtrip, found 18 hours ago
$201
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Fri, Jul 4 from Seattle - Tacoma Intl. to Pittsburgh Intl., returning Sat, Jul 5, priced at $201 found 18 hours ago
Fri, Jul 4 - Fri, Jul 11
SEA
Seattle - Tacoma Intl.
PIT
Pittsburgh Intl.
$204 Roundtrip, found 15 hours ago
$204
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Fri, Jul 4 from Seattle - Tacoma Intl. to Pittsburgh Intl., returning Fri, Jul 11, priced at $204 found 15 hours ago
Fri, Jul 4 - Fri, Jul 11
SEA
Seattle - Tacoma Intl.
PIT
Pittsburgh Intl.
$207 Roundtrip, found 15 hours ago
$207
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Fri, Jul 4 from Seattle - Tacoma Intl. to Pittsburgh Intl., returning Fri, Jul 11, priced at $207 found 15 hours ago
Tue, Sep 16 - Sun, Sep 21
SEA
Seattle - Tacoma Intl.
PIT
Pittsburgh Intl.
$225 Roundtrip, found 2 days ago
$225
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Sep 16 from Seattle - Tacoma Intl. to Pittsburgh Intl., returning Sun, Sep 21, priced at $225 found 2 days ago
Wed, Aug 13 - Mon, Aug 18
SEA
Seattle - Tacoma Intl.
PIT
Pittsburgh Intl.
$226 Roundtrip, found 4 days ago
$226
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Aug 13 from Seattle - Tacoma Intl. to Pittsburgh Intl., returning Mon, Aug 18, priced at $226 found 4 days ago
Thu, Jul 31 - Tue, Aug 12
SEA
Seattle - Tacoma Intl.
PIT
Pittsburgh Intl.
$250 Roundtrip, found 4 days ago
$250
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Jul 31 from Seattle - Tacoma Intl. to Pittsburgh Intl., returning Tue, Aug 12, priced at $250 found 4 days ago
Sat, Sep 27 - Tue, Sep 30
SEA
Seattle - Tacoma Intl.
PIT
Pittsburgh Intl.
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Seattle - Tacoma Intl. to Pittsburgh Intl., returning Tue, Sep 30, priced at $257 found 1 day ago
Thu, Jul 10 - Tue, Jul 15
PAE
Seattle Paine Field Intl. Airport
PIT
Pittsburgh Intl.
$797 Roundtrip, found 14 hours ago
$797
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Thu, Jul 10 from Seattle Paine Field Intl. Airport to Pittsburgh Intl., returning Tue, Jul 15, priced at $797 found 14 hours ago
Fri, Jul 25 - Thu, Jul 31
PAE
Seattle Paine Field Intl. Airport
PIT
Pittsburgh Intl.
$889 Roundtrip, found 5 days ago
$889
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Jul 25 from Seattle Paine Field Intl. Airport to Pittsburgh Intl., returning Thu, Jul 31, priced at $889 found 5 days ago

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.