Delta Flight DL1723 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Delta Flight 1723 Route Deals From $245

The cheapest prices found with in the last 7 days for return flights were and $245 for one-way flights to Missoula Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number DL1723 take?
DL1723 is used on a range of routes. Most commonly, DL1723 flies direct from SEA to JFK. If that’s your flight path, you’ll be up above the clouds for about 5 hours and 31 minutes.
What kind of plane is on flight number DL1723?
There’s every chance you’ll be setting off on the Boeing 757-200 if you’ve booked a seat from Seattle - Tacoma Intl. Airport (SEA) to JFK Airport, a common route for flight DL1723.
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 DL1723 flight with Travelocity, please visit our Customer Service Portal.