$437 Cheap flight deals from New York (NYC) to Diamond Bar (QLA)

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This Weekend's Flight Deals from New York to Diamond Bar

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 3 - Wed, Oct 7
LGA
LaGuardia
ONT
Ontario Intl. Airport
$437 Roundtrip, found 2 hours ago
$437
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 3 from LaGuardia to Ontario Intl. Airport, returning Wed, Oct 7, priced at $437 found 2 hours ago
Sat, Oct 3 - Wed, Oct 7
EWR
Newark Liberty Intl. Airport
LAX
Los Angeles Intl.
$557 Roundtrip, just found
$557
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 3 from Newark Liberty Intl. Airport to Los Angeles Intl., returning Wed, Oct 7, priced at $557 just found
Fri, Oct 2 - Mon, Oct 5
EWR
Newark Liberty Intl. Airport
ONT
Ontario Intl. Airport
$558 Roundtrip, found 2 days ago
$558
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 2 from Newark Liberty Intl. Airport to Ontario Intl. Airport, returning Mon, Oct 5, priced at $558 found 2 days ago
Sun, Oct 4 - Tue, Oct 6
JFK
John F. Kennedy Intl.
SNA
John Wayne
$571 Roundtrip, found 3 days ago
$571
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, Oct 4 from John F. Kennedy Intl. to John Wayne, returning Tue, Oct 6, priced at $571 found 3 days ago

Diamond Bar packages with premium economy flights

Price found within the past 48 hours. Click for updated prices.
The LEEF Hotel
2.0-star property

The LEEF Hotel

8.6/10 Excellent! (868 reviews)

Nov 13 - Nov 16

3 night stay

New York (NYC) to Los Angeles (LAX)

Frontier Airlines • Non-stop roundtrip • PremiumEconomy
Price was $911, price is now $655 per person
$655
per person
found 1 day ago

W Los Angeles - West Beverly Hills
4.5-star property

W Los Angeles - West Beverly Hills

8.4/10 Very Good! (1,003 reviews)

Nov 13 - Nov 16

3 night stay

New York (NYC) to Los Angeles (LAX)

Frontier Airlines • Non-stop roundtrip • PremiumEconomy
Price was $1,280, price is now $942 per person
$942
per person
found 1 day ago
Great easy place if you are visiting UCLA. Hotel is kind of run down but the beds were nice and firm, towels were soft and newer feeling. Comfortable. Nice place to grab a drink or quick bite outside by the pool. Would definitely stay again.

Reviewed on Sep 19, 2026

Luxe Sunset Boulevard Hotel
4.0-star property

Luxe Sunset Boulevard Hotel

8/10 Very Good! (1,006 reviews)

Nov 13 - Nov 16

3 night stay

New York (NYC) to Los Angeles (LAX)

Frontier Airlines • Non-stop roundtrip • PremiumEconomy
Price was $1,009, price is now $791 per person
$791
per person
found 23 hours ago

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Diamond Bar first class flight packages

Price found within the past 48 hours. Click for updated prices.
Pasadena Hotel & Pool
4.0-star property

Pasadena Hotel & Pool

9/10 Wonderful! (1,607 reviews)

Nov 18 - Nov 23

5 night stay

Newark Liberty Intl. Airport (EWR) to Los Angeles (LAX)

American Airlines • Non-stop • FirstClass

Los Angeles (LAX) to Newark Liberty Intl. Airport (EWR)

Frontier Airlines • Non-stop • FirstClass
Price was $1,886, price is now $1,545 per person
$1,545
per person
found 9 hours ago

Cara
3.5-star property

Cara

9.2/10 Wonderful! (623 reviews)

Nov 18 - Nov 23

5 night stay

Newark Liberty Intl. Airport (EWR) to Los Angeles (LAX)

American Airlines • Non-stop • FirstClass

Los Angeles (LAX) to Newark Liberty Intl. Airport (EWR)

Frontier Airlines • Non-stop • FirstClass
Price was $2,002, price is now $1,612 per person
$1,612
per person
found 9 hours ago

Surf & Sand Laguna Beach
5.0-star property

Surf & Sand Laguna Beach

9/10 Wonderful! (1,011 reviews)

Nov 18 - Nov 23

5 night stay

Newark Liberty Intl. Airport (EWR) to Los Angeles (LAX)

American Airlines • Non-stop • FirstClass

Los Angeles (LAX) to Newark Liberty Intl. Airport (EWR)

Frontier Airlines • Non-stop • FirstClass
Price was $4,626, price is now $3,813 per person
$3,813
per person
found 9 hours ago

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