Delta Flight 143 Deals & Information (2025/2026)

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Delta Flight 143 Route Deals From $1,735

The cheapest prices found with in the last 7 days for return flights were $1,096 and $1,735 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 3 - Fri, Sep 19
AMS
Schiphol
SEA
Seattle - Tacoma Intl.
$1,096 Roundtrip, found 2 days ago
$1,096
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Sep 3 from Schiphol to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $1,096 found 2 days ago

Frequently asked questions

What route does flight number DL143 take?
Flight number DL143 takes around 10 hours and 8 minutes to jet directly from Schiphol Airport (AMS) to SEA. Sure, there's magic in the destination, but half the fun is in the journey!
What kind of plane is on flight number DL143?
Prepare to jump on board an Airbus A330-900neo if you're traveling on flight DL143. Almost all flights from Schiphol Airport (AMS) to Seattle - Tacoma Intl. Airport (SEA) are operated using this type of aircraft.
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 DL143 flight with Travelocity, please visit our Customer Service Portal.