$144+ Cheap flights from New Jersey to Idaho
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — BOI
Aug 2 — Aug 91
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from New Jersey to Idaho with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from New Jersey to Idaho
Cheapest
Best
Last-minute
One-way
Cheapest flights from New Jersey to IdahoExplore the most affordable flight options available from New Jersey to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
Explore the most affordable flight options available from New Jersey to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 pm
PHL
- GEG
1 stop7h 53m
Delta
Mon 8/315:40 pm
GEG
- PHL
1 stop9h 10m
Delta
Deal found 6/29![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:12 pm
PHL
- GEG
1 stop10h 25m
Delta
Tue 11/1710:45 pm
GEG
- PHL
1 stop7h 42m
Delta
Deal found 6/30![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:10 pm
PHL
- GEG
1 stop8h 15m
Southwest
Tue 9/156:15 am
GEG
- PHL
2 stops11h 20m
Southwest
Deal found 6/29![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:05 am
PHL
- GEG
1 stop8h 10m
Southwest
Wed 11/186:40 am
GEG
- PHL
2 stops11h 40m
Southwest
Deal found 6/30![Southwest logo]()
$294
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:55 pm
EWR
- BOI
1 stop7h 04m
Delta
Fri 11/131:43 pm
BOI
- EWR
1 stop9h 15m
Delta
Deal found 7/1![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:40 pm
JFK
- BOI
1 stop9h 20m
Delta
Tue 8/256:45 pm
BOI
- JFK
1 stop9h 33m
Delta
Deal found 6/29![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:00 pm
PHL
- GEG
1 stop7h 53m
Delta
Sat 8/226:45 am
GEG
- PHL
1 stop8h 14m
Delta
Deal found 7/1![Delta logo]()
$300
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:05 am
PHL
- GEG
1 stop11h 14m
Delta
Tue 8/184:20 pm
GEG
- PHL
1 stop10h 30m
Delta
Deal found 7/1![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:59 pm
EWR
- GEG
1 stop8h 58m
Delta
Tue 9/295:15 pm
GEG
- EWR
1 stop9h 45m
Delta
Deal found 7/2![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:05 am
PHL
- GEG
1 stop8h 03m
Delta
Tue 9/85:49 pm
GEG
- PHL
1 stop9h 01m
Delta
Deal found 7/1![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:40 pm
JFK
- BOI
1 stop9h 09m
Delta
Mon 10/1212:08 pm
BOI
- JFK
1 stop10h 11m
Delta
Deal found 7/1![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:40 am
PHL
- GEG
1 stop8h 59m
Delta
Thu 8/65:40 pm
GEG
- PHL
1 stop9h 10m
Delta
Deal found 6/30![Delta logo]()
$311
Best flights from New Jersey to IdahoDiscover carefully curated flight deals from New Jersey to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
Discover carefully curated flight deals from New Jersey to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:15 am
EWR
- BOI
1 stop9h 14m
Delta
Sat 10/32:50 pm
BOI
- EWR
1 stop7h 07m
Delta
Deal found 6/29![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:05 pm
PHL
- GEG
1 stop7h 35m
Southwest
Wed 9/166:15 am
GEG
- PHL
2 stops11h 20m
Southwest
Deal found 6/28![Southwest logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:30 am
EWR
- GEG
1 stop8h 10m
Alaska Airlines
Sat 10/247:43 pm
GEG
- EWR
1 stop8h 16m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/811:39 am
PHL
- JAC
2 stops11h 23m
United Airlines
Thu 12/1012:30 pm
JAC
- PHL
1 stop8h 43m
United Airlines
Deal found 6/28![United Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am
JFK
- BOI
1 stop8h 16m
Delta
Sun 9/137:19 pm
BOI
- JFK
1 stop9h 34m
Delta
Deal found 6/28![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:50 am
JFK
- BOI
1 stop8h 50m
Delta
Wed 9/3012:14 pm
BOI
- JFK
1 stop10h 00m
Delta
Deal found 7/1![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:00 am
JFK
- GEG
1 stop10h 22m
Alaska Airlines
Mon 11/91:41 pm
GEG
- JFK
1 stop14h 24m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:59 pm
JFK
- BOI
1 stop8h 00m
Delta
Tue 9/151:06 pm
BOI
- JFK
1 stop8h 34m
Delta
Deal found 6/29![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am
EWR
- BOI
1 stop10h 23m
Alaska Airlines
Sat 10/245:56 am
BOI
- EWR
1 stop8h 06m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:50 pm
JFK
- BOI
1 stop9h 03m
Delta
Mon 9/711:10 pm
BOI
- JFK
1 stop9h 05m
Delta
Deal found 6/28![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:15 pm
EWR
- JAC
Nonstop4h 53m
United Airlines
Tue 9/227:00 am
JAC
- EWR
1 stop9h 30m
United Airlines
Deal found 7/2![United Airlines logo]()
$421
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/82:10 pm
PHL
- GEG
1 stop9h 45m
Southwest
Sat 8/158:00 am
GEG
- PHL
2 stops11h 50m
Southwest
Deal found 6/29![Southwest logo]()
$434
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
JFK
- BOI
1 stop9h 49m
Delta
Sat 9/51:59 pm
BOI
- JFK
1 stop9h 15m
Delta
Deal found 6/28![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:48 pm
PHL
- GEG
1 stop9h 23m
Alaska Airlines
Wed 9/25:12 am
GEG
- PHL
1 stop7h 33m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am
EWR
- GEG
1 stop10h 40m
Alaska Airlines
Sun 10/117:43 pm
GEG
- EWR
1 stop8h 16m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:45 pm
EWR
- GEG
1 stop7h 11m
Delta
Tue 9/295:15 pm
GEG
- EWR
1 stop9h 45m
Delta
Deal found 6/29![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:35 pm
PHL
- GEG
2 stops10h 35m
Southwest
Wed 7/2212:35 pm
GEG
- PHL
1 stop9h 30m
Southwest
Deal found 6/30![Southwest logo]()
$444
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/73:48 pm
PHL
- JAC
1 stop6h 52m
United Airlines
Fri 9/118:00 am
JAC
- PHL
2 stops13h 44m
United Airlines
Deal found 6/30![United Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:40 pm
JFK
- BOI
1 stop9h 09m
Delta
Mon 10/1212:08 pm
BOI
- JFK
1 stop10h 11m
Delta
Deal found 7/1![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:00 am
PHL
- JAC
1 stop7h 43m
United Airlines
Thu 11/122:40 pm
JAC
- PHL
1 stop7h 06m
United Airlines
Deal found 7/2![United Airlines logo]()
$471
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:46 pm
JFK
- GEG
1 stop9h 25m
Alaska Airlines
Mon 9/287:24 pm
GEG
- JFK
1 stop7h 37m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:43 am
PHL
- JAC
2 stops10h 12m
Delta
Fri 8/287:40 am
JAC
- PHL
1 stop8h 07m
Delta
Deal found 6/30![Delta logo]()
$316
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:38 pm
EWR
- GEG
1 stop8h 08m
United Airlines
Wed 8/191:37 pm
GEG
- EWR
1 stop8h 22m
United Airlines
Deal found 7/1![United Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:15 am
EWR
- GEG
1 stop8h 55m
Delta
Mon 9/285:15 pm
GEG
- EWR
1 stop9h 45m
Delta
Deal found 7/2![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:00 am
EWR
- BOI
1 stop8h 30m
Alaska Airlines
Sun 9/136:47 pm
BOI
- EWR
1 stop18h 43m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:35 pm
PHL
- JAC
2 stops9h 05m
United Airlines
Tue 9/227:15 am
JAC
- PHL
1 stop8h 39m
United Airlines
Deal found 7/2![United Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:59 pm
EWR
- JAC
Nonstop5h 01m
United Airlines
Thu 8/132:52 pm
JAC
- EWR
1 stop8h 07m
United Airlines
Deal found 6/29![United Airlines logo]()
$498
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:55 am
EWR
- GEG
1 stop7h 53m
Alaska Airlines
Tue 9/2912:49 pm
GEG
- EWR
2 stops14h 41m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:45 pm
EWR
- BOI
1 stop7h 14m
Delta
Tue 9/296:44 pm
BOI
- EWR
1 stop9h 16m
Delta
Deal found 7/1![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:50 am
JFK
- BOI
1 stop8h 50m
Delta
Thu 10/111:10 pm
BOI
- JFK
1 stop9h 05m
Delta
Deal found 7/3![Delta logo]()
$348
Last-minute flights from New Jersey to IdahoDiscover last-minute flight deals from New Jersey to Idaho. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from New Jersey to Idaho. Data last updated July 3, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:40 am
PHL
- GEG
1 stop8h 59m
Delta
Thu 8/65:40 pm
GEG
- PHL
1 stop9h 10m
Delta
Deal found 6/30![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:29 pm
PHL
- JAC
1 stop6h 41m
Delta
Fri 8/77:40 am
JAC
- PHL
1 stop8h 07m
Delta
Deal found 6/28![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:05 am
PHL
- GEG
1 stop8h 03m
Delta
Wed 8/124:20 pm
GEG
- PHL
1 stop10h 30m
Delta
Deal found 7/1![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:00 pm
PHL
- GEG
1 stop7h 53m
Delta
Sat 8/226:45 am
GEG
- PHL
1 stop8h 14m
Delta
Deal found 7/1![Delta logo]()
$300
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:00 pm
PHL
- GEG
1 stop7h 53m
Delta
Tue 8/185:40 pm
GEG
- PHL
1 stop9h 10m
Delta
Deal found 7/1![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:05 am
PHL
- GEG
1 stop11h 14m
Delta
Sat 8/226:45 am
GEG
- PHL
1 stop8h 14m
Delta
Deal found 7/1![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:05 am
PHL
- GEG
1 stop11h 14m
Delta
Tue 8/184:20 pm
GEG
- PHL
1 stop10h 30m
Delta
Deal found 7/1![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:40 pm
JFK
- BOI
1 stop9h 20m
Delta
Tue 8/256:45 pm
BOI
- JFK
1 stop9h 33m
Delta
Deal found 6/29![Delta logo]()
$297
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:50 am
EWR
- BOI
1 stop9h 39m
American Airlines
Fri 8/211:55 pm
BOI
- EWR
1 stop8h 04m
American Airlines
Deal found 6/30![American Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:45 pm
PHL
- GEG
2 stops11h 20m
Southwest
Wed 8/266:15 am
GEG
- PHL
2 stops11h 20m
Southwest
Deal found 7/2![Southwest logo]()
$316
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 pm
PHL
- GEG
1 stop7h 53m
Delta
Mon 8/315:40 pm
GEG
- PHL
1 stop9h 10m
Delta
Deal found 6/29![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:43 am
PHL
- JAC
2 stops10h 12m
Delta
Fri 8/287:40 am
JAC
- PHL
1 stop8h 07m
Delta
Deal found 6/30![Delta logo]()
$316
One-way flights from New Jersey to IdahoSearch for one-way flight options from New Jersey to Idaho. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
Search for one-way flight options from New Jersey to Idaho. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:55 pm
PHL
- GEG
1 stop8h 02m
Delta
Deal found 6/28![Delta logo]()
$144
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:25 am
PHL
- GEG
1 stop8h 56m
American Airlines
Deal found 7/1![American Airlines logo]()
$145
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:30 am
PHL
- GEG
2 stops9h 30m
Southwest
Deal found 6/29![Southwest logo]()
$149
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:23 pm
EWR
- BOI
1 stop10h 34m
Delta
Deal found 6/29![Delta logo]()
$149
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:15 am
JFK
- BOI
1 stop11h 34m
American Airlines
Deal found 7/1![American Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:24 am
PHL
- GEG
2 stops12h 41m
United Airlines
Deal found 7/1![United Airlines logo]()
$150
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/164:38 pm
EWR
- GEG
1 stop9h 30m
American Airlines
Deal found 6/30![American Airlines logo]()
$152
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:50 am
JFK
- BOI
1 stop8h 49m
Delta
Deal found 7/2![Delta logo]()
$155
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:38 am
PHL
- JAC
1 stop9h 04m
United Airlines
Deal found 7/2![United Airlines logo]()
$156
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:30 am
PHL
- JAC
2 stops9h 19m
United Airlines
Deal found 7/1![United Airlines logo]()
$161
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:35 pm
EWR
- GEG
1 stop9h 36m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:59 pm
EWR
- BOI
1 stop7h 59m
Delta
Deal found 7/2![Delta logo]()
$170
Find flight deals from New Jersey to Idaho
Keep the following information in mind while searching for New Jersey to Idaho flight deals. Data was last updated July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $287 (Delta) |
One-way from | $144 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $523 |
Cheapflights Fare Finder
Customize your flight search to find flights from New Jersey to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from New Jersey to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
NewarkBoise
EWR - BOI
EWRBOI
Newark
Sat 9/26
6:15 am-1:29 pm
1 stop9h 14m
Boise Air Term. Gowen Fld
Sat 10/3
2:50 pm-11:57 pm
1 stop7h 07m
$297
New YorkBoise
JFK - BOI
JFKBOI
New York John F Kennedy Intl
Tue 9/8
6:00 am-12:16 pm
1 stop8h 16m
Boise Air Term. Gowen Fld
Sun 9/13
7:19 pm-6:53 am
1 stop9h 34m
$297
New YorkBoise
JFK - BOI
JFKBOI
New York John F Kennedy Intl
Tue 9/22
11:50 am-6:40 pm
1 stop8h 50m
Boise Air Term. Gowen Fld
Wed 9/30
12:14 pm-12:14 am
1 stop10h 00m
$297
New YorkBoise
JFK - BOI
JFKBOI
New York John F Kennedy Intl
Tue 9/8
5:59 pm-11:59 pm
1 stop8h 00m
Boise Air Term. Gowen Fld
Tue 9/15
1:06 pm-11:40 pm
1 stop8h 34m
$297
New YorkBoise
JFK - BOI
JFKBOI
New York John F Kennedy Intl
Fri 9/4
4:50 pm-11:53 pm
1 stop9h 03m
Boise Air Term. Gowen Fld
Mon 9/7
11:10 pm-10:15 am
1 stop9h 05m
$297
New YorkBoise
JFK - BOI
JFKBOI
New York John F Kennedy Intl
Sat 8/29
7:00 am-2:49 pm
1 stop9h 49m
Boise Air Term. Gowen Fld
Sat 9/5
1:59 pm-1:14 am
1 stop9h 15m
$297
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Wed 9/16
6:45 pm-10:56 pm
1 stop7h 11m
Spokane
Tue 9/29
5:15 pm-6:00 am
1 stop9h 45m
$303
New YorkBoise
JFK - BOI
JFKBOI
New York John F Kennedy Intl
Fri 10/9
4:40 pm-11:49 pm
1 stop9h 09m
Boise Air Term. Gowen Fld
Mon 10/12
12:08 pm-12:19 am
1 stop10h 11m
$309
PhiladelphiaJackson
PHL - JAC
PHLJAC
Philadelphia
Mon 8/24
10:43 am-6:55 pm
2 stops10h 12m
Jackson Hole
Fri 8/28
7:40 am-5:47 pm
1 stop8h 07m
$316
PhiladelphiaSpokane
PHL - GEG
PHLGEG
Philadelphia
Thu 9/10
6:05 pm-10:40 pm
1 stop7h 35m
Spokane
Wed 9/16
6:15 am-8:35 pm
2 stops11h 20m
$322
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from New Jersey to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from New Jersey with our price prediction graph.
PHL-GEG
EWR-BOI
JFK-BOI
EWR-GEG
PHL-JAC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from New Jersey to Idaho
USNJ-USID
PHL-GEG
EWR-BOI
JFK-BOI
EWR-GEG
How much does it cost to fly round-trip from New Jersey to Idaho?
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated July 3, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited Airlines from New Jersey to Idaho. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from New Jersey to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for New Jersey to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New Jersey to Idaho by cabin class
Find flights from New Jersey to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
New Jersey and Idaho flights
Browse other New Jersey and Idaho flight options. Last updated on July 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to New Jersey after your stay in Idaho
New Jersey to Idaho flights
Consider these flights traveling from New Jersey to Idaho.
Top 4 airlines flying from New Jersey to Idaho
Discover the top 4 airlines that operate flights from New Jersey to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$547 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$531 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$362 | Average$613 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$370 | Average$588 | FlexibilityNo cancel fee | On-time69% |