$116+ Cheap flights from New Hampshire to Colorado
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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — DEN
Jul 27 — Aug 31
Round-trip
1 adult, Economy
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Find cheap flights from New Hampshire to Colorado with Cheapflights
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Cheapest flights from New Hampshire to ColoradoExplore the most affordable flight options available from New Hampshire to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
Explore the most affordable flight options available from New Hampshire to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:59 am
BOS
- DEN
1 stop12h 06m
Multiple Airlines
Wed 8/1211:37 pm
DEN
- BOS
Nonstop3h 53m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$235
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:39 pm
BOS
- DEN
Nonstop4h 47m
United Airlines
Tue 7/2811:59 pm
DEN
- BOS
Nonstop3h 59m
United Airlines
Deal found 6/25![United Airlines logo]()
$237
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:04 am
BOS
- DEN
1 stop31h 14m
Multiple Airlines
Tue 7/1411:37 pm
DEN
- BOS
Nonstop3h 53m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$238
This American Airlines deal was found by Cheapflights users on 6/24. 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 9/99:29 am
BOS
- COS
1 stop7h 14m
American Airlines
Sat 9/1210:14 am
COS
- BOS
1 stop9h 13m
American Airlines
Deal found 6/24![American Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 6/23. 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 7/223:45 pm
BOS
- DEN
1 stop7h 55m
Southwest
Wed 7/296:55 pm
DEN
- BOS
Nonstop3h 55m
Southwest
Deal found 6/23![Southwest logo]()
$239
This Cheapflightsfares deal was found by Cheapflights users on 6/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:30 am
BOS
- DEN
Nonstop4h 35m
JetBlue
Thu 8/2711:55 pm
DEN
- BOS
1 stop9h 38m
JetBlue
Deal found 6/22![JetBlue logo]()
$240
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:45 pm
BOS
- DEN
1 stop10h 13m
JetBlue
Wed 8/2611:55 pm
DEN
- BOS
1 stop9h 30m
JetBlue
Deal found 6/26![JetBlue logo]()
$241
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:25 am
BOS
- DEN
Nonstop4h 25m
Southwest
Tue 7/147:30 am
DEN
- BOS
1 stop7h 35m
Southwest
Deal found 6/26![Southwest logo]()
$242
This Expedia deal was found by Cheapflights users on 6/24. 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 8/208:03 pm
BOS
- DEN
Nonstop4h 39m
Multiple Airlines
Mon 8/2411:59 pm
DEN
- BOS
1 stop9h 48m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$243
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:00 am
BOS
- COS
1 stop6h 40m
Southwest
Sat 11/145:30 am
COS
- BOS
2 stops9h 55m
Southwest
Deal found 6/26![Southwest logo]()
$244
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:50 am
BOS
- DEN
1 stop5h 55m
Southwest
Tue 7/287:40 am
DEN
- BOS
2 stops8h 20m
Southwest
Deal found 6/26![Southwest logo]()
$244
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:41 am
BOS
- DEN
1 stop7h 38m
Frontier
Thu 8/2711:59 pm
DEN
- BOS
1 stop9h 48m
Frontier
Deal found 6/26![Frontier logo]()
$245
Best flights from New Hampshire to ColoradoDiscover carefully curated flight deals from New Hampshire to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
Discover carefully curated flight deals from New Hampshire to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:50 pm
BOS
- DEN
1 stop7h 05m
Southwest
Tue 7/147:40 am
DEN
- BOS
1 stop7h 10m
Southwest
Deal found 6/25![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 6/24. 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 8/117:23 pm
BOS
- DEN
1 stop7h 07m
United Airlines
Wed 8/1911:59 pm
DEN
- BOS
Nonstop4h 00m
United Airlines
Deal found 6/24![United Airlines logo]()
$263
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 9/169:20 am
BOS
- COS
2 stops12h 36m
Delta
Tue 9/226:14 pm
COS
- BOS
1 stop10h 16m
Delta
Deal found 6/26![Delta logo]()
$282
This American Airlines deal was found by Cheapflights users on 6/23. 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 8/195:51 am
BOS
- DRO
1 stop8h 09m
American Airlines
Sun 8/237:12 pm
DRO
- BOS
1 stop8h 35m
American Airlines
Deal found 6/23![American Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 6/23. 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.
Fri 9/115:40 am
BOS
- DEN
Nonstop4h 20m
Southwest
Thu 9/176:30 pm
DEN
- BOS
Nonstop4h 00m
Southwest
Deal found 6/23![Southwest logo]()
$280
This Delta deal was found by Cheapflights users on 6/24. 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 9/99:10 am
BOS
- COS
2 stops12h 46m
Delta
Sat 9/121:25 pm
COS
- BOS
1 stop6h 58m
Delta
Deal found 6/24![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 6/22. 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 7/278:39 pm
BOS
- DEN
Nonstop4h 47m
United Airlines
Wed 8/51:41 pm
DEN
- BOS
1 stop6h 12m
United Airlines
Deal found 6/22![United Airlines logo]()
$295
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.
Sat 9/123:10 pm
BOS
- COS
1 stop6h 46m
Delta
Sat 9/196:00 am
COS
- BOS
2 stops11h 23m
Delta
Deal found 6/25![Delta logo]()
$282
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
BOS
- DEN
2 stops7h 50m
Southwest
Fri 8/2812:10 pm
DEN
- BOS
1 stop8h 20m
Southwest
Deal found 6/25![Southwest logo]()
$284
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:16 pm
BOS
- DEN
Nonstop4h 35m
United Airlines
Wed 8/1911:59 pm
DEN
- BOS
Nonstop4h 00m
United Airlines
Deal found 6/25![United Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 6/24. 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 7/295:00 am
BOS
- DEN
Nonstop4h 25m
Southwest
Sun 8/27:55 pm
DEN
- BOS
Nonstop4h 00m
Southwest
Deal found 6/24![Southwest logo]()
$292
This American Airlines deal was found by Cheapflights users on 6/22. 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 10/277:22 am
MHT
- COS
1 stop6h 15m
American Airlines
Tue 11/312:45 pm
COS
- MHT
2 stops9h 11m
American Airlines
Deal found 6/22![American Airlines logo]()
$369
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:25 am
BOS
- COS
1 stop10h 35m
Southwest
Tue 7/285:10 pm
COS
- BOS
1 stop5h 40m
Southwest
Deal found 6/25![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/318:39 pm
BOS
- DEN
Nonstop4h 47m
United Airlines
Mon 8/311:59 pm
DEN
- BOS
Nonstop3h 59m
United Airlines
Deal found 6/23![United Airlines logo]()
$324
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 8/411:40 am
BOS
- COS
2 stops11h 58m
Delta
Tue 8/111:20 pm
COS
- BOS
1 stop8h 21m
Delta
Deal found 6/25![Delta logo]()
$333
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:37 am
BOS
- GJT
1 stop9h 18m
American Airlines
Wed 11/1112:10 pm
GJT
- BOS
1 stop9h 25m
American Airlines
Deal found 6/26![American Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 6/23. 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 8/256:00 am
BOS
- COS
1 stop6h 33m
United Airlines
Wed 8/261:03 pm
COS
- BOS
2 stops8h 31m
United Airlines
Deal found 6/23![United Airlines logo]()
$326
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:50 pm
BOS
- DEN
1 stop6h 10m
Southwest
Mon 8/315:00 am
DEN
- BOS
2 stops7h 55m
Southwest
Deal found 6/25![Southwest logo]()
$305
This Southwest deal was found by Cheapflights users on 6/23. 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.
Tue 7/212:30 pm
BOS
- COS
2 stops9h 15m
Southwest
Tue 7/285:10 pm
COS
- BOS
1 stop5h 40m
Southwest
Deal found 6/23![Southwest logo]()
$309
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:45 am
BOS
- GJT
1 stop6h 53m
United Airlines
Sat 8/291:40 pm
GJT
- BOS
2 stops9h 31m
United Airlines
Deal found 6/25![United Airlines logo]()
$360
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:50 am
BOS
- DEN
2 stops7h 35m
Southwest
Mon 8/247:00 am
DEN
- BOS
1 stop8h 05m
Southwest
Deal found 6/25![Southwest logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/24. 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 7/293:28 pm
BOS
- GJT
2 stops10h 48m
American Airlines
Sun 8/26:54 pm
GJT
- BOS
1 stop8h 51m
American Airlines
Deal found 6/24![American Airlines logo]()
$472
This Southwest deal was found by Cheapflights users on 6/21. 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 7/112:10 pm
BOS
- DEN
2 stops7h 40m
Southwest
Wed 7/156:15 am
DEN
- BOS
1 stop7h 50m
Southwest
Deal found 6/21![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 6/22. 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 9/265:30 am
BOS
- ASE
1 stop7h 51m
Delta
Tue 9/297:35 am
ASE
- BOS
2 stops10h 25m
Delta
Deal found 6/22![Delta logo]()
$458
This United Airlines deal was found by Cheapflights users on 6/24. 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 8/3111:00 am
BOS
- ASE
2 stops8h 18m
United Airlines
Fri 9/41:15 pm
ASE
- BOS
1 stop6h 44m
United Airlines
Deal found 6/24![United Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 6/22. 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 7/1511:35 am
BOS
- DEN
2 stops7h 25m
Southwest
Tue 7/216:10 am
DEN
- BOS
1 stop6h 50m
Southwest
Deal found 6/22![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/23. 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 10/272:32 pm
MHT
- COS
2 stops8h 50m
United Airlines
Tue 11/31:15 pm
COS
- MHT
2 stops8h 42m
United Airlines
Deal found 6/23![United Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 6/23. 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 7/85:07 pm
BOS
- DRO
1 stop8h 55m
American Airlines
Tue 7/1410:21 am
DRO
- BOS
1 stop8h 29m
American Airlines
Deal found 6/23![American Airlines logo]()
$535
This Southwest deal was found by Cheapflights users on 6/23. 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 9/93:05 pm
MHT
- COS
2 stops8h 40m
Southwest
Wed 9/236:55 am
COS
- MHT
2 stops12h 15m
Southwest
Deal found 6/23![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/22. 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 11/179:25 am
MHT
- COS
2 stops13h 24m
United Airlines
Wed 11/1810:27 am
COS
- MHT
2 stops11h 30m
United Airlines
Deal found 6/22![United Airlines logo]()
$401
Last-minute flights from New Hampshire to ColoradoDiscover last-minute flight deals from New Hampshire to Colorado. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from New Hampshire to Colorado. Data last updated June 27, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/24. 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 7/88:39 pm
BOS
- DEN
Nonstop4h 47m
United Airlines
Tue 7/1411:59 pm
DEN
- BOS
Nonstop3h 59m
United Airlines
Deal found 6/24![United Airlines logo]()
$243
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:04 am
BOS
- DEN
1 stop31h 14m
Multiple Airlines
Tue 7/1411:37 pm
DEN
- BOS
Nonstop3h 53m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$238
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:25 am
BOS
- DEN
Nonstop4h 25m
Southwest
Tue 7/147:30 am
DEN
- BOS
1 stop7h 35m
Southwest
Deal found 6/26![Southwest logo]()
$242
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:39 pm
BOS
- DEN
Nonstop4h 47m
United Airlines
Mon 8/1011:59 pm
DEN
- BOS
Nonstop4h 01m
United Airlines
Deal found 6/25![United Airlines logo]()
$247
This JetBlue deal was found by Cheapflights users on 6/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:30 am
BOS
- DEN
Nonstop4h 33m
JetBlue
Wed 8/52:09 pm
DEN
- BOS
1 stop7h 50m
JetBlue
Deal found 6/24![JetBlue logo]()
$249
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:50 am
BOS
- DEN
1 stop5h 55m
Southwest
Tue 7/216:10 am
DEN
- BOS
1 stop6h 50m
Southwest
Deal found 6/25![Southwest logo]()
$241
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:39 pm
BOS
- DEN
Nonstop4h 47m
United Airlines
Sat 7/185:40 pm
DEN
- BOS
Nonstop4h 04m
United Airlines
Deal found 6/25![United Airlines logo]()
$245
This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:04 am
BOS
- DEN
1 stop14h 56m
Frontier
Sat 8/811:59 pm
DEN
- BOS
1 stop8h 58m
Frontier
Deal found 6/24![Frontier logo]()
$248
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:39 pm
BOS
- DEN
Nonstop4h 47m
United Airlines
Tue 7/2811:59 pm
DEN
- BOS
Nonstop3h 59m
United Airlines
Deal found 6/25![United Airlines logo]()
$237
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:50 am
BOS
- DEN
1 stop5h 55m
Southwest
Tue 7/287:40 am
DEN
- BOS
2 stops8h 20m
Southwest
Deal found 6/26![Southwest logo]()
$244
This Southwest deal was found by Cheapflights users on 6/23. 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 7/223:45 pm
BOS
- DEN
1 stop7h 55m
Southwest
Wed 7/296:55 pm
DEN
- BOS
Nonstop3h 55m
Southwest
Deal found 6/23![Southwest logo]()
$239
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3111:59 am
BOS
- DEN
1 stop12h 29m
Frontier
Sat 8/811:59 pm
DEN
- BOS
1 stop8h 58m
Frontier
Deal found 6/24![Frontier logo]()
$246
One-way flights from New Hampshire to ColoradoSearch for one-way flight options from New Hampshire to Colorado. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
Search for one-way flight options from New Hampshire to Colorado. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Southwest deal was found by Cheapflights users on 6/22. 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 8/123:20 pm
BOS
- COS
2 stops8h 25m
Southwest
Deal found 6/22![Southwest logo]()
$116
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:03 pm
BOS
- DEN
Nonstop4h 39m
JetBlue
Deal found 6/24![JetBlue logo]()
$118
This JetBlue deal was found by Cheapflights users on 6/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:10 am
BOS
- DEN
Nonstop4h 45m
JetBlue
Deal found 6/23![JetBlue logo]()
$119
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:43 pm
BOS
- DEN
1 stop8h 15m
JetBlue
Deal found 6/24![JetBlue logo]()
$120
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/297:05 am
BOS
- DEN
1 stop7h 40m
United Airlines
Deal found 6/22![United Airlines logo]()
$121
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:41 am
BOS
- DEN
1 stop7h 38m
Frontier
Deal found 6/24![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Sat 11/149:09 am
BOS
- DEN
1 stop24h 31m
Allegiant Air
Deal found 6/21![Allegiant Air logo]()
$123
This Booking.com deal was found by Cheapflights users on 6/22. 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.
Wed 8/58:41 am
BOS
- DEN
1 stop7h 38m
Frontier
Deal found 6/22![Frontier logo]()
$125
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:00 am
BOS
- DEN
2 stops7h 50m
Southwest
Deal found 6/25![Southwest logo]()
$126
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:35 pm
BOS
- DEN
1 stop21h 30m
Allegiant Air
Deal found 6/25![Allegiant Air logo]()
$127
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:45 pm
BOS
- DEN
1 stop11h 20m
Frontier
Deal found 6/24![Frontier logo]()
$128
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:40 am
BOS
- DEN
Nonstop4h 20m
Southwest
Deal found 6/26![Southwest logo]()
$129
Find flight deals from New Hampshire to Colorado
Keep the following information in mind while searching for New Hampshire to Colorado flight deals. Data was last updated June 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $235 (CheapOair) |
One-way from | $116 (Southwest) |
Popular in | June |
Cheapest in | November |
Average price | $406 |
Cheapflights Fare Finder
Customize your flight search to find flights from New Hampshire to Colorado 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 June 27, 2026.
Use the filters below to find and compare flights from New Hampshire to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonDenver
BOS - DEN
BOSDEN
Boston Logan Intl
Fri 7/10
6:50 pm-11:55 pm
1 stop7h 05m
Denver Intl
Tue 7/14
7:40 am-4:50 pm
1 stop7h 10m
$252
BostonDenver
BOS - DEN
BOSDEN
Boston Logan Intl
Tue 8/11
7:23 pm-12:30 am
1 stop7h 07m
Denver Intl
Wed 8/19
11:59 pm-5:59 am
Nonstop4h 00m
$263
Quickest round-trip
BostonDenver
BOS - DEN
BOSDEN
Boston Logan Intl
Fri 9/11
5:40 am-8:00 am
Nonstop4h 20m
Denver Intl
Thu 9/17
6:30 pm-12:30 am
Nonstop4h 00m
$280
BostonColorado Springs
BOS - COS
BOSCOS
Boston Logan Intl
Wed 9/16
9:20 am-7:56 pm
2 stops12h 36m
Colorado Springs
Tue 9/22
6:14 pm-6:30 am
1 stop10h 16m
$282
BostonColorado Springs
BOS - COS
BOSCOS
Boston Logan Intl
Wed 9/9
9:10 am-7:56 pm
2 stops12h 46m
Colorado Springs
Sat 9/12
1:25 pm-10:23 pm
1 stop6h 58m
$282
BostonColorado Springs
BOS - COS
BOSCOS
Boston Logan Intl
Sat 9/12
3:10 pm-7:56 pm
1 stop6h 46m
Colorado Springs
Sat 9/19
6:00 am-7:23 pm
2 stops11h 23m
$282
BostonDenver
BOS - DEN
BOSDEN
Boston Logan Intl
Sat 8/22
5:00 am-10:50 am
2 stops7h 50m
Denver Intl
Fri 8/28
12:10 pm-10:30 pm
1 stop8h 20m
$284
BostonDenver
BOS - DEN
BOSDEN
Boston Logan Intl
Wed 7/29
5:00 am-7:25 am
Nonstop4h 25m
Denver Intl
Sun 8/2
7:55 pm-1:55 am
Nonstop4h 00m
$292
BostonColorado Springs
BOS - COS
BOSCOS
Boston Logan Intl
Fri 7/24
5:25 am-2:00 pm
1 stop10h 35m
Colorado Springs
Tue 7/28
5:10 pm-12:50 am
1 stop5h 40m
$294
BostonDenver
BOS - DEN
BOSDEN
Boston Logan Intl
Mon 7/27
8:39 pm-11:26 pm
Nonstop4h 47m
Denver Intl
Wed 8/5
1:41 pm-9:53 pm
1 stop6h 12m
$295
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from New Hampshire to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from New Hampshire with our price prediction graph.
BOS-DEN
BOS-COS
PWM-DEN
BOS-MTJ
BOS-GJT
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 Hampshire to Colorado
USNH-USCO
BOS-DEN
BOS-COS
PWM-DEN
BOS-MTJ
What is the cheapest month to book a flight from New Hampshire to Colorado?
Currently, November is the cheapest month in which you can book a flight from New Hampshire to Colorado (average of $83). Flying from New Hampshire to Colorado in May is currently the most expensive (average of $383). 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 New Hampshire to Colorado?
How far ahead should I book a flight from New Hampshire to Colorado?
The best time to book flights from New Hampshire to Colorado is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated June 27, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican Airlines from New Hampshire to Colorado. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from New Hampshire to Colorado. 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.
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Alternative routes for New Hampshire to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New Hampshire to Colorado by cabin class
Find flights from New Hampshire to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
New Hampshire and Colorado flights
Browse other New Hampshire and Colorado flight options. Last updated on June 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Colorado
Find the right flight back to New Hampshire after your stay in Colorado
New Hampshire to Colorado flights
Consider these flights traveling from New Hampshire to Colorado.
Top 3 airlines flying from New Hampshire to Colorado
Discover the top 3 airlines that operate flights from New Hampshire to Colorado. 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 June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$436 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$277 | Average$458 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$299 | Average$457 | FlexibilityNo cancel fee | On-time63% |