Delta Flight 429 Deals & Information (2025/2026)

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Delta Flight 429 Route Deals From $119

The cheapest prices found with in the last 7 days for return flights were $241 and $119 for one-way flights to John F. Kennedy Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Nov 4 - Tue, Nov 11
SEA
Seattle - Tacoma Intl.
JFK
John F. Kennedy Intl.
$241 Roundtrip, just found
$241
Roundtrip
just found
Select Delta flight, departing Tue, Nov 4 from Seattle - Tacoma Intl. to John F. Kennedy Intl., returning Tue, Nov 11, priced at $241 just found
Wed, Oct 1 - Fri, Oct 3
SEA
Seattle - Tacoma Intl.
JFK
John F. Kennedy Intl.
$282 Roundtrip, just found
$282
Roundtrip
just found
Select Delta flight, departing Wed, Oct 1 from Seattle - Tacoma Intl. to John F. Kennedy Intl., returning Fri, Oct 3, priced at $282 just found

Frequently asked questions

What route does flight number DL429 take?
Flight number DL429 operates straight from TUS to Sea-Tac Airport. During this trip, you'll be in the air for around 3 hours and 23 minutes. It pays to book ahead to secure your preferred seat.
What kind of plane is on flight number DL429?
Prepare to cruise aboard an Airbus A220-100 if you've booked a seat on flight DL429. Nearly all services from Tucson Intl. Airport (TUS) to Sea-Tac Airport are operated using this kind of plane.
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 DL429 flight with Travelocity, please visit our Customer Service Portal.