Delta Flight AS3557 Deals & Information (2025/2026)

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Delta Flight 3557 Route Deals From $80

The cheapest prices found with in the last 7 days for return flights were $160 and $80 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.

Fri, Aug 22 - Sun, Aug 24
SEA
Seattle - Tacoma Intl.
SJC
Norman Y. Mineta San Jose Intl.
$160 Roundtrip, found 1 hour ago
$160
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, Aug 22 from Seattle - Tacoma Intl. to Norman Y. Mineta San Jose Intl., returning Sun, Aug 24, priced at $160 found 1 hour ago
Fri, Aug 15 - Tue, Aug 19
SEA
Seattle - Tacoma Intl.
SJC
Norman Y. Mineta San Jose Intl.
$160 Roundtrip, found 23 hours ago
$160
Roundtrip
found 23 hours ago
Select Delta flight, departing Fri, Aug 15 from Seattle - Tacoma Intl. to Norman Y. Mineta San Jose Intl., returning Tue, Aug 19, priced at $160 found 23 hours ago
Wed, Jul 30 - Wed, Sep 10
SEA
Seattle - Tacoma Intl.
SJC
Norman Y. Mineta San Jose Intl.
$196 Roundtrip, found 6 days ago
$196
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jul 30 from Seattle - Tacoma Intl. to Norman Y. Mineta San Jose Intl., returning Wed, Sep 10, priced at $196 found 6 days ago

Frequently asked questions

What route does flight number DL3557 take?
DL3557 is used on multiple routes. Typically, DL3557 flies directly from Tri-Cities Airport (PSC) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). If you have a ticket on this route, you'll be up above the clouds for approximately 1 hour and 9 minutes.
What kind of plane is on flight number DL3557?
It's more than likely you'll be cruising aboard an Embraer 175 if you're taking flight DL3557 from PSC to Sea-Tac Airport. This is the most commonly used aircraft type on this popular route.
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 DL3557 flight with Travelocity, please visit our Customer Service Portal.