Delta Flight 5451 Deals & Information (2025/2026)

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Delta Flight 5451 Route Deals From $100

The cheapest prices found with in the last 7 days for return flights were $117 and $100 for one-way flights to Jacksonville Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 27 - Tue, Sep 30
LGA
LaGuardia
JAX
Jacksonville Intl.
$117 Roundtrip, found 9 hours ago
$117
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Sep 27 from LaGuardia to Jacksonville Intl., returning Tue, Sep 30, priced at $117 found 9 hours ago
Sat, Sep 27 - Sun, Sep 28
LGA
LaGuardia
JAX
Jacksonville Intl.
$162 Roundtrip, found 9 hours ago
$162
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Sep 27 from LaGuardia to Jacksonville Intl., returning Sun, Sep 28, priced at $162 found 9 hours ago
Wed, Aug 13 - Tue, Aug 19
LGA
LaGuardia
JAX
Jacksonville Intl.
$164 Roundtrip, found 5 days ago
$164
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 13 from LaGuardia to Jacksonville Intl., returning Tue, Aug 19, priced at $164 found 5 days ago
Thu, Oct 2 - Tue, Oct 14
LGA
LaGuardia
JAX
Jacksonville Intl.
$172 Roundtrip, found 6 days ago
$172
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 2 from LaGuardia to Jacksonville Intl., returning Tue, Oct 14, priced at $172 found 6 days ago
Thu, Sep 18 - Sun, Sep 21
LGA
LaGuardia
JAX
Jacksonville Intl.
$184 Roundtrip, found 2 days ago
$184
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Sep 18 from LaGuardia to Jacksonville Intl., returning Sun, Sep 21, priced at $184 found 2 days ago
Sat, Sep 27 - Tue, Sep 30
LGA
LaGuardia
JAX
Jacksonville Intl.
$187 Roundtrip, found 9 hours ago
$187
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Sep 27 from LaGuardia to Jacksonville Intl., returning Tue, Sep 30, priced at $187 found 9 hours ago
Thu, Oct 2 - Tue, Oct 14
LGA
LaGuardia
JAX
Jacksonville Intl.
$194 Roundtrip, found 6 days ago
$194
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 2 from LaGuardia to Jacksonville Intl., returning Tue, Oct 14, priced at $194 found 6 days ago
Sat, Sep 27 - Sun, Sep 28
LGA
LaGuardia
JAX
Jacksonville Intl.
$198 Roundtrip, found 9 hours ago
$198
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Sep 27 from LaGuardia to Jacksonville Intl., returning Sun, Sep 28, priced at $198 found 9 hours ago
Wed, Aug 13 - Tue, Aug 19
LGA
LaGuardia
JAX
Jacksonville Intl.
$200 Roundtrip, found 5 days ago
$200
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 13 from LaGuardia to Jacksonville Intl., returning Tue, Aug 19, priced at $200 found 5 days ago
Tue, Aug 12 - Tue, Oct 28
LGA
LaGuardia
JAX
Jacksonville Intl.
$205 Roundtrip, found 3 days ago
$205
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Aug 12 from LaGuardia to Jacksonville Intl., returning Tue, Oct 28, priced at $205 found 3 days ago

Frequently asked questions

What route does flight number DL5451 take?
DL5451 takes multiple routes. The most frequently flown is between JFK and IAD, which flies direct. This service typically takes 1 hour and 36 minutes. However, you might find other flights with the same number that have one or more stops.
What terminal does DL5451 fly out of?
If you're heading off from JFK Airport, there's every chance you'll board the plane from Terminal 4. The most frequented route for DL5451 is John F. Kennedy Intl. Airport (JFK) to Washington Dulles Intl. Airport (IAD), which is a nonstop flight.
What kind of plane is on flight number DL5451?
If you're on flight DL5451 from JFK Airport to Washington, DC Airport (IAD-Washington Dulles Intl.), there's every chance you'll be jetting off on the Bombardier CRJ900. This flight number serves numerous routes, but this is the most popular.
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 DL5451 flight with Travelocity, please visit our Customer Service Portal.