$149+ Cheap flights from Newark (EWR) 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — BOI
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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Cheapest flights from Newark to IdahoExplore the most affordable flight options available from Newark to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
Explore the most affordable flight options available from Newark to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:50 am
EWR
- BOI
1 stop9h 39m
American Airlines
Mon 8/245:19 pm
BOI
- EWR
1 stop10h 41m
American Airlines
Deal found 6/28![American Airlines 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.
Tue 9/155:59 pm
EWR
- GEG
1 stop8h 58m
Delta
Tue 9/295:15 pm
GEG
- EWR
1 stop9h 45m
Delta
Deal found 6/29![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 6/27. 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 9/157:30 am
EWR
- GEG
1 stop7h 53m
United Airlines
Wed 9/231:37 pm
GEG
- EWR
1 stop7h 21m
United Airlines
Deal found 6/27![United Airlines logo]()
$307
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 9/166:45 pm
EWR
- GEG
1 stop7h 11m
Delta
Mon 9/2810:50 pm
GEG
- EWR
1 stop7h 34m
Delta
Deal found 6/30![Delta logo]()
$315
This Alaska 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 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 6/29![Alaska Airlines logo]()
$327
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 8/213:20 pm
EWR
- BOI
1 stop8h 37m
Delta
Fri 8/2811:10 pm
BOI
- EWR
1 stop9h 19m
Delta
Deal found 6/28![Delta logo]()
$328
This American 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 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
Tue 8/251:55 pm
BOI
- EWR
1 stop8h 04m
American Airlines
Deal found 6/28![American Airlines logo]()
$344
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.
Fri 8/146:50 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]()
$347
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 8/265:59 pm
EWR
- GEG
1 stop8h 27m
Delta
Sun 8/3010:56 pm
GEG
- EWR
1 stop7h 28m
Delta
Deal found 6/30![Delta logo]()
$348
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:20 am
EWR
- BOI
1 stop9h 02m
Alaska Airlines
Tue 9/151:31 pm
BOI
- EWR
1 stop7h 58m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$352
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 8/185:59 pm
EWR
- BOI
1 stop8h 00m
Delta
Fri 8/2811:10 pm
BOI
- EWR
1 stop9h 19m
Delta
Deal found 6/28![Delta logo]()
$359
This Alaska 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 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 6/30![Alaska Airlines logo]()
$360
Best flights from Newark to IdahoDiscover carefully curated flight deals from Newark to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Newark to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 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 Alaska Airlines deal was found by Cheapflights users on 6/26. 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 10/1112:44 pm
GEG
- EWR
1 stop15h 15m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$360
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.
Sat 9/195:23 am
EWR
- IDA
1 stop10h 05m
American Airlines
Wed 9/231:58 pm
IDA
- EWR
1 stop8h 01m
American Airlines
Deal found 6/30![American Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 6/27. 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 9/136:00 am
EWR
- IDA
1 stop9h 29m
United Airlines
Sat 9/192:25 pm
IDA
- EWR
1 stop7h 08m
United Airlines
Deal found 6/27![United Airlines logo]()
$448
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 9/155:59 pm
EWR
- GEG
1 stop8h 58m
Delta
Tue 9/295:15 pm
GEG
- EWR
1 stop9h 45m
Delta
Deal found 6/28![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 6/27. 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 6/27![Delta logo]()
$303
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 10/206:30 am
EWR
- GEG
2 stops11h 10m
Alaska Airlines
Sat 10/247:43 pm
GEG
- EWR
1 stop8h 16m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$421
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 8/195:59 pm
EWR
- GEG
1 stop8h 27m
Delta
Fri 8/2110:56 pm
GEG
- EWR
1 stop8h 33m
Delta
Deal found 6/30![Delta logo]()
$360
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.
Sat 7/112:40 pm
EWR
- BOI
1 stop8h 49m
United Airlines
Sat 7/182:40 pm
BOI
- EWR
1 stop8h 24m
United Airlines
Deal found 6/29![United Airlines logo]()
$500
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am
EWR
- IDA
1 stop10h 35m
Alaska Airlines
Sat 10/246:09 am
IDA
- EWR
1 stop8h 34m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$482
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.
Tue 9/226:45 pm
EWR
- BOI
1 stop7h 14m
Delta
Thu 10/111:10 pm
BOI
- EWR
1 stop8h 14m
Delta
Deal found 6/30![Delta logo]()
$409
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.
Tue 8/116:15 pm
EWR
- JAC
Nonstop4h 53m
United Airlines
Wed 8/194:25 pm
JAC
- EWR
1 stop6h 34m
United Airlines
Deal found 6/29![United Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 6/27. 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 9/26:15 am
EWR
- BOI
1 stop9h 27m
Delta
Tue 9/86:44 pm
BOI
- EWR
1 stop9h 16m
Delta
Deal found 6/27![Delta logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 9/167:20 am
EWR
- SUN
1 stop28h 26m
Alaska Airlines
Sun 9/2010:28 am
SUN
- EWR
2 stops27h 07m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 6/26. 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 8/286:15 pm
EWR
- JAC
Nonstop4h 53m
United Airlines
Wed 9/24:25 pm
JAC
- EWR
1 stop6h 34m
United Airlines
Deal found 6/26![United Airlines logo]()
$542
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 10/67:00 am
EWR
- IDA
1 stop10h 35m
Alaska Airlines
Mon 10/121:46 pm
IDA
- EWR
1 stop15h 13m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 6/26. 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 8/281:23 pm
EWR
- JAC
1 stop8h 48m
Delta
Wed 9/27:40 am
JAC
- EWR
2 stops9h 53m
Delta
Deal found 6/26![Delta logo]()
$457
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.
Wed 7/155:59 pm
EWR
- JAC
Nonstop5h 01m
United Airlines
Wed 7/294:23 pm
JAC
- EWR
1 stop6h 41m
United Airlines
Deal found 6/28![United Airlines logo]()
$590
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.
Wed 9/163:00 pm
EWR
- IDA
2 stops9h 22m
Delta
Tue 9/226:57 pm
IDA
- EWR
1 stop9h 03m
Delta
Deal found 6/28![Delta logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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.
Sun 9/137:20 am
EWR
- JAC
1 stop30h 02m
Alaska Airlines
Sat 9/192:10 pm
JAC
- EWR
1 stop31h 19m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$587
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.
Sat 8/221:23 pm
EWR
- JAC
1 stop8h 48m
Delta
Sat 9/51:10 pm
JAC
- EWR
1 stop8h 34m
Delta
Deal found 6/30![Delta logo]()
$473
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Sat 7/45:59 pm
EWR
- JAC
Nonstop5h 01m
United Airlines
Wed 7/84:23 pm
JAC
- EWR
1 stop6h 41m
United Airlines
Deal found 6/26![United Airlines logo]()
$650
This Travelocity deal was found by Cheapflights users on 6/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:20 am
EWR
- SUN
1 stop28h 26m
Alaska Airlines
Sun 9/1310:28 am
SUN
- EWR
1 stop18h 02m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$597
This Delta deal was found by Cheapflights users on 6/25. 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 7/295:59 pm
EWR
- BOI
1 stop8h 06m
Delta
Mon 8/311:10 pm
BOI
- EWR
1 stop9h 19m
Delta
Deal found 6/25![Delta logo]()
$478
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.
Wed 9/96:15 pm
EWR
- JAC
Nonstop4h 53m
United Airlines
Tue 9/157:00 am
JAC
- EWR
1 stop9h 30m
United Airlines
Deal found 6/28![United Airlines logo]()
$655
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:55 am
EWR
- IDA
2 stops18h 01m
Alaska Airlines
Wed 9/233:57 pm
IDA
- EWR
2 stops12h 33m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$634
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 7/295:59 pm
EWR
- BOI
1 stop8h 06m
Delta
Fri 8/711:10 pm
BOI
- EWR
1 stop9h 19m
Delta
Deal found 6/29![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 6/27. 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 8/212:38 pm
EWR
- SUN
1 stop8h 34m
United Airlines
Mon 8/317:50 am
SUN
- EWR
1 stop22h 24m
United Airlines
Deal found 6/27![United Airlines logo]()
$661
This Delta deal was found by Cheapflights users on 6/26. 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 7/153:21 pm
EWR
- BOI
1 stop8h 36m
Delta
Mon 7/206:42 pm
BOI
- EWR
1 stop9h 18m
Delta
Deal found 6/26![Delta logo]()
$478
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.
Sat 9/56:49 pm
EWR
- WYS
1 stop22h 37m
United Airlines
Wed 9/91:55 pm
WYS
- EWR
1 stop9h 04m
United Airlines
Deal found 6/29![United Airlines logo]()
$663
Last-minute flights from Newark to IdahoDiscover last-minute flight deals from Newark to Idaho. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Newark to Idaho. Data last updated July 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/26. 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 7/105:59 pm
EWR
- BOI
1 stop8h 06m
Delta
Sat 7/252:50 pm
BOI
- EWR
1 stop7h 06m
Delta
Deal found 6/26![Delta logo]()
$454
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 7/151:29 pm
EWR
- BOI
1 stop10h 28m
Delta
Mon 7/206:42 pm
BOI
- EWR
1 stop9h 18m
Delta
Deal found 6/30![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 6/26. 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 7/165:59 pm
EWR
- BOI
1 stop8h 06m
Delta
Tue 7/2111:10 pm
BOI
- EWR
1 stop8h 14m
Delta
Deal found 6/26![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 6/25. 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 7/205:59 pm
EWR
- BOI
1 stop8h 06m
Delta
Tue 7/2811:10 pm
BOI
- EWR
1 stop8h 14m
Delta
Deal found 6/25![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 6/27. 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 7/207:15 am
EWR
- SUN
1 stop9h 16m
Delta
Sat 7/251:10 pm
SUN
- EWR
1 stop8h 44m
Delta
Deal found 6/27![Delta logo]()
$461
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 7/217:15 am
EWR
- BOI
1 stop6h 59m
Delta
Mon 8/311:10 pm
BOI
- EWR
1 stop9h 19m
Delta
Deal found 6/29![Delta logo]()
$378
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:30 am
EWR
- BOI
1 stop10h 52m
American Airlines
Sat 8/295:19 pm
BOI
- EWR
1 stop10h 41m
American Airlines
Deal found 6/29![American Airlines logo]()
$446
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:30 am
EWR
- BOI
1 stop10h 50m
American Airlines
Mon 8/35:20 pm
BOI
- EWR
1 stop10h 40m
American Airlines
Deal found 6/29![American Airlines logo]()
$456
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 7/285:59 pm
EWR
- BOI
1 stop8h 06m
Delta
Fri 8/711:10 pm
BOI
- EWR
1 stop9h 19m
Delta
Deal found 6/29![Delta logo]()
$428
This Delta deal was found by Cheapflights users on 6/25. 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 7/285:59 pm
EWR
- BOI
1 stop8h 06m
Delta
Wed 8/52:53 pm
BOI
- EWR
1 stop7h 03m
Delta
Deal found 6/25![Delta logo]()
$459
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 7/299:52 am
EWR
- IDA
2 stops10h 26m
Delta
Wed 8/57:00 pm
IDA
- EWR
1 stop9h 00m
Delta
Deal found 6/29![Delta logo]()
$440
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.
Wed 7/2911:55 am
EWR
- JAC
1 stop7h 58m
United Airlines
Wed 8/54:23 pm
JAC
- EWR
1 stop6h 41m
United Airlines
Deal found 6/29![United Airlines logo]()
$452
One-way flights from Newark to IdahoSearch for one-way flight options from Newark to Idaho. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from Newark to Idaho. Find affordable one-way fares based on user searches. Data last updated July 1, 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 8/271:23 pm
EWR
- BOI
1 stop10h 34m
Delta
Deal found 6/29![Delta logo]()
$149
This American Airlines deal was found by Cheapflights users on 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 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.
Thu 9/104:35 pm
EWR
- GEG
1 stop9h 36m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$164
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 9/286:55 am
EWR
- IDA
1 stop8h 29m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$175
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 10/136:55 am
EWR
- BOI
1 stop9h 38m
American Airlines
Deal found 6/30![American Airlines logo]()
$180
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:55 am
EWR
- TWF
2 stops32h 05m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$190
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:55 am
EWR
- IDA
2 stops36h 10m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$190
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 8/126:50 am
EWR
- GEG
1 stop9h 47m
American Airlines
Deal found 6/30![American Airlines logo]()
$190
This Delta deal was found by Cheapflights users on 6/26. 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 7/215:59 pm
EWR
- GEG
1 stop8h 56m
Delta
Deal found 6/26![Delta logo]()
$197
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 8/68:00 am
EWR
- BOI
1 stop7h 59m
American Airlines
Deal found 6/27![American Airlines logo]()
$199
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.
Tue 7/211:29 pm
EWR
- JAC
1 stop8h 35m
Delta
Deal found 6/30![Delta logo]()
$204
This American Airlines deal was found by Cheapflights users on 6/27. 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 8/155:29 am
EWR
- BOI
1 stop10h 33m
American Airlines
Deal found 6/27![American Airlines logo]()
$204
Find flight deals from Newark to Idaho
Keep the following information in mind while searching for Newark to Idaho flight deals. Data was last updated July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (American Airlines) |
One-way from | $149 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $523 |
Cheapflights Fare Finder
Customize your flight search to find flights from Newark 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 1, 2026.
Use the filters below to find and compare flights from Newark Airport 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
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Tue 9/15
5:59 pm-11:57 pm
1 stop8h 58m
Spokane
Tue 9/29
5:15 pm-6:00 am
1 stop9h 45m
$303
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
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Wed 10/7
7:00 am-2:40 pm
1 stop10h 40m
Spokane
Sun 10/11
12:44 pm-6:59 am
1 stop15h 15m
$360
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Wed 8/19
5:59 pm-11:26 pm
1 stop8h 27m
Spokane
Fri 8/21
10:56 pm-10:29 am
1 stop8h 33m
$360
NewarkBoise
EWR - BOI
EWRBOI
Newark
Tue 9/22
6:45 pm-11:59 pm
1 stop7h 14m
Boise Air Term. Gowen Fld
Thu 10/1
11:10 pm-9:24 am
1 stop8h 14m
$409
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Tue 10/20
6:30 am-2:40 pm
2 stops11h 10m
Spokane
Sat 10/24
7:43 pm-6:59 am
1 stop8h 16m
$421
NewarkIdaho Falls
EWR - IDA
EWRIDA
Newark
Sat 9/19
5:23 am-1:28 pm
1 stop10h 05m
Idaho Falls Fanning Field
Wed 9/23
1:58 pm-11:59 pm
1 stop8h 01m
$424
NewarkBoise
EWR - BOI
EWRBOI
Newark
Wed 9/2
6:15 am-1:42 pm
1 stop9h 27m
Boise Air Term. Gowen Fld
Tue 9/8
6:44 pm-6:00 am
1 stop9h 16m
$428
NewarkIdaho Falls
EWR - IDA
EWRIDA
Newark
Sun 9/13
6:00 am-1:29 pm
1 stop9h 29m
Idaho Falls Fanning Field
Sat 9/19
2:25 pm-11:33 pm
1 stop7h 08m
$448
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Newark to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Newark with our price prediction graph.
EWR-BOI
EWR-IDA
EWR-JAC
EWR-SUN
EWR-TWF
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 Newark Airport to Idaho
EWR-USID
EWR-BOI
EWR-IDA
EWR-JAC
EWR-SUN
What is the cheapest month to book a flight from Newark Airport to Idaho?
Currently, April is the cheapest month in which you can book a flight from Newark Airport to Idaho (average of $112). Flying from Newark Airport to Idaho in January is currently the most expensive (average of $400). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Newark Airport to Idaho?
How far ahead should I book a flight from Newark Airport to Idaho?
To ensure you get the cheapest price possible for a flight from Newark Airport to Idaho, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 1, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Newark Airport to Idaho to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.1
Overall
7.9
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreJames Cezar,Jan 2023
JFK - SFO
Comfort
7.8
Food
7.1
Overall
7.9
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreJames Cezar,Jan 2023
JFK - SFO
Comfort
7.8
Food
7.1
Overall
7.9
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreJames Cezar,Jan 2023
JFK - SFO
Comfort
7.8
Food
7.1
Overall
7.9
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreJames Cezar,Jan 2023
JFK - SFO
Comfort
7.8
Food
7.1
Overall
7.9
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreJames Cezar,Jan 2023
JFK - SFO
Related info for your journey
Find useful and relevant information for your journey from Newark to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Newark 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 Newark to Idaho by cabin class
Find flights from Newark to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Newark and Idaho flights
Browse other Newark and Idaho flight options. Last updated on July 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Newark to Idaho flights
Consider these flights traveling from Newark to Idaho.
Top 4 airlines flying from Newark to Idaho
Discover the top 4 airlines that operate flights from Newark 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 1, 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% |