$118+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — BOI
Mar 22 — Mar 291
1 adult, Economy
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Find cheap flights from Newark to Idaho with Cheapflights
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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 February 20, 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 February 20, 2026.
This American Airlines deal was found by Cheapflights users on 2/17. 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 3/177:00 am
EWR
- BOI
1 stop8h 00m
American Airlines
Tue 3/246:33 pm
BOI
- EWR
1 stop9h 27m
American Airlines
Deal found 2/17![American Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 2/17. 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 5/56:05 am
EWR
- BOI
2 stops12h 09m
Delta
Wed 5/68:40 pm
BOI
- EWR
2 stops10h 03m
Delta
Deal found 2/17![Delta logo]()
$280
This American Airlines deal was found by Cheapflights users on 2/17. 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 4/297:10 am
EWR
- BOI
1 stop7h 39m
American Airlines
Wed 5/61:29 pm
BOI
- EWR
1 stop7h 31m
American Airlines
Deal found 2/17![American Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/107:48 am
EWR
- GEG
1 stop7h 53m
United Airlines
Wed 3/186:37 pm
GEG
- EWR
1 stop8h 00m
United Airlines
Deal found 2/17![United Airlines logo]()
$297
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:30 pm
EWR
- BOI
1 stop10h 29m
Alaska Airlines
Mon 4/277:20 pm
BOI
- EWR
1 stop9h 19m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 2/17. 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 3/102:30 pm
EWR
- GEG
2 stops12h 20m
Delta
Wed 3/181:50 pm
GEG
- EWR
1 stop7h 09m
Delta
Deal found 2/17![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 2/17. 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 5/196:30 pm
EWR
- GEG
1 stop8h 05m
Delta
Tue 6/26:45 pm
GEG
- EWR
1 stop8h 17m
Delta
Deal found 2/17![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 2/18. 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 5/56:00 am
EWR
- BOI
2 stops10h 26m
Delta
Mon 5/118:55 pm
BOI
- EWR
2 stops9h 48m
Delta
Deal found 2/18![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 3/97:29 pm
EWR
- GEG
1 stop25h 43m
Alaska Airlines
Wed 3/117:05 am
GEG
- EWR
1 stop8h 23m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/187:10 am
EWR
- GEG
1 stop7h 34m
American Airlines
Mon 3/2312:25 pm
GEG
- EWR
1 stop6h 43m
American Airlines
Deal found 2/19![American Airlines logo]()
$322
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/63:30 pm
EWR
- BOI
1 stop10h 26m
Alaska Airlines
Fri 4/172:22 pm
BOI
- EWR
1 stop22h 08m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 2/19. 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 5/66:00 am
EWR
- GEG
2 stops10h 04m
Delta
Fri 5/86:45 pm
GEG
- EWR
1 stop8h 17m
Delta
Deal found 2/19![Delta logo]()
$327
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 February 20, 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 February 20, 2026.
This American Airlines deal was found by Cheapflights users on 2/17. 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 3/177:00 am
EWR
- BOI
1 stop8h 00m
American Airlines
Tue 3/246:33 pm
BOI
- EWR
1 stop9h 27m
American Airlines
Deal found 2/17![American Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 2/17. 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 4/156:00 am
EWR
- GEG
1 stop9h 40m
United Airlines
Sat 4/251:46 pm
GEG
- EWR
1 stop7h 00m
United Airlines
Deal found 2/17![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 2/16. 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 5/94:29 pm
EWR
- GEG
1 stop9h 00m
Delta
Sat 5/162:17 pm
GEG
- EWR
1 stop6h 32m
Delta
Deal found 2/16![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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 4/223:30 pm
EWR
- GEG
1 stop9h 01m
Alaska Airlines
Sat 4/256:00 am
GEG
- EWR
1 stop14h 29m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 2/17. 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 4/156:05 am
EWR
- GEG
1 stop9h 59m
Delta
Sat 4/257:15 am
GEG
- EWR
2 stops13h 40m
Delta
Deal found 2/17![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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 3/169:00 am
EWR
- GEG
1 stop12h 12m
Alaska Airlines
Tue 3/2412:17 pm
GEG
- EWR
1 stop24h 38m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 2/16. 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 3/242:00 pm
EWR
- GEG
1 stop10h 18m
United Airlines
Thu 3/266:37 pm
GEG
- EWR
1 stop8h 00m
United Airlines
Deal found 2/16![United Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 2/17. 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 4/226:05 am
EWR
- GEG
1 stop9h 59m
Delta
Sat 4/257:15 am
GEG
- EWR
2 stops13h 40m
Delta
Deal found 2/17![Delta logo]()
$302
This American Airlines deal was found by Cheapflights users on 2/18. 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 3/167:10 am
EWR
- SUN
1 stop7h 44m
American Airlines
Wed 3/257:40 am
SUN
- EWR
2 stops11h 20m
American Airlines
Deal found 2/18![American Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 3/97:29 pm
EWR
- GEG
1 stop25h 43m
Alaska Airlines
Wed 3/117:05 am
GEG
- EWR
1 stop8h 23m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/73:18 pm
EWR
- BOI
1 stop9h 38m
United Airlines
Tue 3/105:00 am
BOI
- EWR
1 stop6h 29m
United Airlines
Deal found 2/17![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 2/17. 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 5/196:30 pm
EWR
- GEG
1 stop8h 05m
Delta
Tue 6/26:45 pm
GEG
- EWR
1 stop8h 17m
Delta
Deal found 2/17![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 3/167:30 am
EWR
- SUN
1 stop12h 52m
Alaska Airlines
Wed 3/2512:00 pm
SUN
- EWR
1 stop15h 58m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/157:00 am
EWR
- SUN
1 stop9h 32m
United Airlines
Wed 3/187:00 am
SUN
- EWR
1 stop9h 16m
United Airlines
Deal found 2/19![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 2/19. 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 5/66:00 am
EWR
- GEG
2 stops10h 04m
Delta
Fri 5/86:45 pm
GEG
- EWR
1 stop8h 17m
Delta
Deal found 2/19![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 3/145:30 pm
EWR
- BOI
1 stop8h 29m
Alaska Airlines
Tue 3/179:00 pm
BOI
- EWR
1 stop7h 59m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 2/16. 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 3/226:00 am
EWR
- SUN
1 stop7h 53m
United Airlines
Wed 3/257:00 am
SUN
- EWR
1 stop8h 23m
United Airlines
Deal found 2/16![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 2/19. 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 4/66:40 pm
EWR
- BOI
1 stop7h 19m
Delta
Fri 4/178:40 pm
BOI
- EWR
2 stops10h 01m
Delta
Deal found 2/19![Delta logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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.
Fri 3/139:00 am
EWR
- SUN
1 stop11h 22m
Alaska Airlines
Sat 3/1411:52 am
SUN
- EWR
1 stop9h 37m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Thu 3/126:05 am
EWR
- IDA
1 stop9h 25m
United Airlines
Wed 3/182:35 pm
IDA
- EWR
1 stop6h 51m
United Airlines
Deal found 2/16![United Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 2/17. 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 4/187:15 am
EWR
- SUN
1 stop9h 39m
Delta
Sat 4/2512:42 pm
SUN
- EWR
1 stop9h 13m
Delta
Deal found 2/17![Delta logo]()
$341
This Expedia deal was found by Cheapflights users on 2/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:29 pm
EWR
- BOI
1 stop9h 18m
Alaska Airlines
Fri 3/276:00 am
BOI
- EWR
1 stop8h 38m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 2/16. 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 4/187:15 am
EWR
- SUN
1 stop9h 39m
Delta
Tue 4/217:15 am
SUN
- EWR
2 stops10h 15m
Delta
Deal found 2/16![Delta logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 4/257:29 am
EWR
- IDA
1 stop10h 00m
Alaska Airlines
Tue 4/286:00 am
IDA
- EWR
1 stop8h 33m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 2/17. 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 5/265:59 pm
EWR
- JAC
Nonstop5h 01m
United Airlines
Sat 5/304:23 pm
JAC
- EWR
1 stop6h 41m
United Airlines
Deal found 2/17![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 2/19. 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 4/76:40 pm
EWR
- BOI
1 stop7h 19m
Delta
Thu 4/168:40 pm
BOI
- EWR
2 stops11h 49m
Delta
Deal found 2/19![Delta logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 3/213:27 pm
EWR
- IDA
1 stop9h 25m
Alaska Airlines
Sat 3/285:59 pm
IDA
- EWR
1 stop9h 59m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 2/18. 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 3/259:59 am
EWR
- JAC
Nonstop5h 02m
United Airlines
Wed 4/112:20 pm
JAC
- EWR
1 stop8h 58m
United Airlines
Deal found 2/18![United Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 4/243:30 pm
EWR
- IDA
1 stop9h 10m
Alaska Airlines
Tue 4/286:00 am
IDA
- EWR
1 stop8h 33m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 2/18. 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 5/56:30 pm
EWR
- BOI
1 stop7h 27m
Delta
Mon 5/118:55 pm
BOI
- EWR
2 stops9h 48m
Delta
Deal found 2/18![Delta logo]()
$379
Last-minute flights from Newark to IdahoDiscover last-minute flight deals from Newark to Idaho. Data last updated February 20, 2026 and is based on user searches.
Discover last-minute flight deals from Newark to Idaho. Data last updated February 20, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/73:18 pm
EWR
- BOI
1 stop9h 38m
United Airlines
Tue 3/105:00 am
BOI
- EWR
1 stop6h 29m
United Airlines
Deal found 2/17![United Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 2/16. 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 3/97:29 pm
EWR
- GEG
1 stop25h 43m
Alaska Airlines
Wed 3/117:05 am
GEG
- EWR
1 stop8h 23m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 2/16. 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 3/92:30 pm
EWR
- GEG
2 stops12h 20m
Delta
Wed 3/112:15 pm
GEG
- EWR
1 stop6h 19m
Delta
Deal found 2/16![Delta logo]()
$332
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/107:48 am
EWR
- GEG
1 stop7h 53m
United Airlines
Wed 3/186:37 pm
GEG
- EWR
1 stop8h 00m
United Airlines
Deal found 2/17![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 2/17. 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 3/102:30 pm
EWR
- GEG
2 stops12h 20m
Delta
Wed 3/181:50 pm
GEG
- EWR
1 stop7h 09m
Delta
Deal found 2/17![Delta logo]()
$302
This Expedia deal was found by Cheapflights users on 2/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:29 pm
EWR
- IDA
1 stop23h 14m
Alaska Airlines
Mon 3/165:20 pm
IDA
- EWR
1 stop11h 39m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$336
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 3/145:30 pm
EWR
- BOI
1 stop8h 29m
Alaska Airlines
Tue 3/179:00 pm
BOI
- EWR
1 stop7h 59m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$333
This CheapOair deal was found by Cheapflights users on 2/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:30 am
EWR
- BOI
1 stop9h 38m
Alaska Airlines
Tue 3/244:15 pm
BOI
- EWR
1 stop11h 43m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 2/17. 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 3/167:30 am
EWR
- SUN
1 stop12h 52m
Alaska Airlines
Wed 3/2512:00 pm
SUN
- EWR
1 stop15h 58m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 2/17. 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 3/177:00 am
EWR
- BOI
1 stop8h 00m
American Airlines
Tue 3/246:33 pm
BOI
- EWR
1 stop9h 27m
American Airlines
Deal found 2/17![American Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/187:10 am
EWR
- GEG
1 stop7h 34m
American Airlines
Mon 3/2312:25 pm
GEG
- EWR
1 stop6h 43m
American Airlines
Deal found 2/19![American Airlines logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 3/214:29 pm
EWR
- JAC
1 stop22h 26m
Alaska Airlines
Sat 3/2812:17 pm
JAC
- EWR
1 stop15h 41m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$318
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 February 20, 2026.
Search for one-way flight options from Newark to Idaho. Find affordable one-way fares based on user searches. Data last updated February 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Wed 3/115:15 am
EWR
- BOI
2 stops32h 05m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$118
This Trip.com deal was found by Cheapflights users on 2/18. 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.
Wed 3/117:30 am
EWR
- BOI
1 stop9h 28m
Hawaiian Airlines
Deal found 2/18![Hawaiian Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 3/2410:30 pm
EWR
- BOI
2 stops38h 50m
Frontier
Deal found 2/17![Frontier logo]()
$130
This United Airlines deal was found by Cheapflights users on 2/16. 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 3/116:00 am
EWR
- BOI
1 stop8h 13m
United Airlines
Deal found 2/16![United Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Tue 4/710:54 pm
EWR
- BOI
2 stops38h 14m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Fri 5/1510:29 pm
EWR
- BOI
2 stops38h 39m
Frontier
Deal found 2/16![Frontier logo]()
$139
This Delta deal was found by Cheapflights users on 2/16. 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 3/112:30 pm
EWR
- BOI
2 stops11h 29m
Delta
Deal found 2/16![Delta logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Wed 3/410:14 pm
EWR
- BOI
2 stops15h 37m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Wed 3/186:10 am
EWR
- BOI
2 stops31h 10m
Frontier
Deal found 2/16![Frontier logo]()
$142
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/187:10 am
EWR
- GEG
1 stop7h 34m
American Airlines
Deal found 2/19![American Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Tue 3/249:00 pm
EWR
- BOI
2 stops40h 20m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$155
This Expedia deal was found by Cheapflights users on 2/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/214:29 pm
EWR
- JAC
1 stop22h 26m
Alaska Airlines
Deal found 2/16![Alaska Airlines logo]()
$162
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 February 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $269 (United Airlines) |
One-way from | $118 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $418 |
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 February 20, 2026.
Use the filters below to find and compare flights from Newark Airport to Idaho that are best for you.
Fly from
Newark
Fly to
Idaho
Route
Depart
Return
Price
NewarkBoise
EWR - BOI
EWRBOI
Newark
Tue 3/17
7:00 am-1:00 pm
1 stop8h 00m
Boise Air Term. Gowen Fld
Tue 3/24
6:33 pm-6:00 am
1 stop9h 27m
$269
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Wed 4/15
6:00 am-12:40 pm
1 stop9h 40m
Spokane
Sat 4/25
1:46 pm-11:46 pm
1 stop7h 00m
$297
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Sat 5/9
4:29 pm-10:29 pm
1 stop9h 00m
Spokane
Sat 5/16
2:17 pm-11:49 pm
1 stop6h 32m
$297
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Wed 4/22
3:30 pm-9:31 pm
1 stop9h 01m
Spokane
Sat 4/25
6:00 am-11:29 pm
1 stop14h 29m
$297
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Wed 4/15
6:05 am-1:04 pm
1 stop9h 59m
Spokane
Sat 4/25
7:15 am-11:55 pm
2 stops13h 40m
$302
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Wed 4/22
6:05 am-1:04 pm
1 stop9h 59m
Spokane
Sat 4/25
7:15 am-11:55 pm
2 stops13h 40m
$302
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Tue 5/19
6:30 pm-11:35 pm
1 stop8h 05m
Spokane
Tue 6/2
6:45 pm-6:02 am
1 stop8h 17m
$309
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Mon 3/16
9:00 am-6:12 pm
1 stop12h 12m
Spokane
Tue 3/24
12:17 pm-3:55 pm
1 stop24h 38m
$321
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Mon 3/9
7:29 pm-6:12 pm
1 stop25h 43m
Spokane
Wed 3/11
7:05 am-6:28 pm
1 stop8h 23m
$321
NewarkSpokane
EWR - GEG
EWRGEG
Newark
Tue 3/24
2:00 pm-9:18 pm
1 stop10h 18m
Spokane
Thu 3/26
6:37 pm-5:37 am
1 stop8h 00m
$322
Showing 1-10 of 60 results
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-GEG
EWR-SUN
EWR-IDA
EWR-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 Newark Airport to Idaho
EWR-USID
EWR-BOI
EWR-GEG
EWR-SUN
EWR-IDA
What is the cheapest month to book a flight from Newark Airport to Idaho?
Currently, June is the cheapest month in which you can book a flight from Newark Airport to Idaho (average of $185). Flying from Newark Airport to Idaho in January is currently the most expensive (average of $413). 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.
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 February 20, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United 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.
Boarding
8.1
Overall
8.0
Entertainment
7.0
Comfort
7.8
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.0
Comfort
7.8
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.0
Comfort
7.8
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.0
Comfort
7.8
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.0
Comfort
7.8
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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
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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 February 20, 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 February 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$476 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$483 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$623 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$338 | Average$503 | FlexibilityNo cancel fee | On-time75% |