$96+ Cheap flights from Massachusetts 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DEN
Jun 16 — Jun 231
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Massachusetts to Colorado with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Massachusetts to Colorado
Cheapest
Best
Last-minute
One-way
Cheapest flights from Massachusetts to ColoradoExplore the most affordable flight options available from Massachusetts to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 17, 2026.
Explore the most affordable flight options available from Massachusetts to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 17, 2026.
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 9/96:45 am
BOS
- COS
1 stop10h 00m
American Airlines
Sat 9/128:00 am
COS
- BOS
1 stop9h 42m
American Airlines
Deal found 5/13![American Airlines logo]()
$209
This Cheapflightsfares deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 5/2710:45 am
BOS
- DEN
Nonstop4h 40m
JetBlue
Fri 5/2910:34 pm
DEN
- BOS
Nonstop3h 55m
JetBlue
Deal found 5/13![JetBlue logo]()
$217
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 9/95:08 pm
BOS
- DEN
Nonstop4h 37m
United Airlines
Sat 9/123:40 pm
DEN
- BOS
1 stop6h 14m
United Airlines
Deal found 5/13![United Airlines logo]()
$219
This JetBlue deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
Mon 6/16:45 pm
BOS
- DEN
Nonstop4h 52m
JetBlue
Tue 6/910:34 pm
DEN
- BOS
Nonstop3h 53m
JetBlue
Deal found 5/12![JetBlue logo]()
$220
This Priceline deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:03 pm
BOS
- DEN
Nonstop4h 39m
Multiple Airlines
Tue 7/2811:49 pm
DEN
- BOS
1 stop8h 20m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$221
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/25:35 am
BOS
- DEN
Nonstop4h 30m
Southwest
Fri 6/57:05 pm
DEN
- BOS
Nonstop3h 55m
Southwest
Deal found 5/13![Southwest logo]()
$222
This Cheapflightsfares deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
Tue 6/26:00 am
BOS
- DEN
1 stop10h 04m
Frontier
Thu 6/410:00 am
DEN
- BOS
1 stop13h 24m
Frontier
Deal found 5/12![Frontier logo]()
$223
This Southwest deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/27:35 am
BOS
- DEN
2 stops8h 45m
Southwest
Sat 6/66:45 pm
DEN
- BOS
Nonstop3h 50m
Southwest
Deal found 5/12![Southwest logo]()
$224
This CheapOair deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/36:45 pm
BOS
- DEN
Nonstop4h 52m
Multiple Airlines
Thu 6/46:03 am
DEN
- BOS
1 stop27h 03m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 5/16. 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 7/88:39 pm
BOS
- DEN
Nonstop4h 47m
United Airlines
Mon 7/1311:59 pm
DEN
- BOS
Nonstop3h 59m
United Airlines
Deal found 5/16![United Airlines logo]()
$226
This JetBlue deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 7/46:20 am
BOS
- DEN
Nonstop4h 33m
JetBlue
Mon 7/1311:37 pm
DEN
- BOS
Nonstop3h 53m
JetBlue
Deal found 5/13![JetBlue logo]()
$227
This American Airlines deal was found by Cheapflights users on 5/17. 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 8/125:36 pm
BOS
- DEN
1 stop6h 38m
American Airlines
Mon 8/176:25 am
DEN
- BOS
1 stop6h 44m
American Airlines
Deal found 5/17![American Airlines logo]()
$228
Best flights from Massachusetts to ColoradoDiscover carefully curated flight deals from Massachusetts to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 17, 2026.
Discover carefully curated flight deals from Massachusetts to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 17, 2026.
This JetBlue deal was found by Cheapflights users on 5/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:45 pm
BOS
- DEN
Nonstop4h 52m
JetBlue
Tue 6/910:34 pm
DEN
- BOS
Nonstop3h 53m
JetBlue
Deal found 5/16![JetBlue logo]()
$219
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/46:25 am
BOS
- DEN
Nonstop4h 25m
Southwest
Mon 6/87:05 pm
DEN
- BOS
Nonstop3h 55m
Southwest
Deal found 5/13![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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
Sat 8/293:50 pm
DEN
- BOS
1 stop6h 44m
United Airlines
Deal found 5/13![United Airlines logo]()
$247
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/234:06 pm
BOS
- COS
1 stop8h 18m
American Airlines
Wed 8/128:00 am
COS
- BOS
2 stops9h 26m
American Airlines
Deal found 5/16![American Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 5/16. 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.
Sun 9/65:30 am
BOS
- COS
2 stops9h 18m
Delta
Mon 9/146:00 am
COS
- BOS
2 stops13h 31m
Delta
Deal found 5/16![Delta logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/58:17 pm
ALB
- DEN
1 stop20h 15m
Multiple Airlines
Sun 6/711:54 pm
DEN
- ALB
2 stops17h 09m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$471
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/95:00 am
BOS
- DEN
Nonstop4h 25m
Southwest
Thu 6/113:30 pm
DEN
- BOS
1 stop6h 40m
Southwest
Deal found 5/14![Southwest logo]()
$284
This Delta deal was found by Cheapflights users on 5/16. 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 7/411:00 am
BOS
- COS
2 stops12h 07m
Delta
Mon 7/136:16 pm
COS
- BOS
2 stops12h 46m
Delta
Deal found 5/16![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 5/16. 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 9/67:45 am
BOS
- DEN
Nonstop4h 37m
United Airlines
Sun 9/1311:59 pm
DEN
- BOS
Nonstop4h 00m
United Airlines
Deal found 5/16![United Airlines logo]()
$288
This JetBlue deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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.
Thu 7/94:30 pm
BOS
- DEN
1 stop8h 29m
JetBlue
Mon 7/1311:37 pm
DEN
- BOS
Nonstop3h 53m
JetBlue
Deal found 5/15![JetBlue logo]()
$317
This Southwest deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/35:35 am
BOS
- COS
1 stop6h 10m
Southwest
Wed 6/105:35 am
COS
- BOS
2 stops9h 15m
Southwest
Deal found 5/12![Southwest logo]()
$294
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:55 am
BOS
- DEN
Nonstop4h 45m
Delta
Sat 9/1211:40 am
DEN
- BOS
Nonstop4h 10m
Delta
Deal found 5/15![Delta logo]()
$297
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:00 am
BOS
- EGE
1 stop7h 32m
American Airlines
Wed 7/227:50 am
EGE
- BOS
1 stop7h 05m
American Airlines
Deal found 5/16![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/16. 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 7/238:39 pm
BOS
- DEN
Nonstop4h 47m
United Airlines
Sat 8/111:59 pm
DEN
- BOS
Nonstop4h 01m
United Airlines
Deal found 5/16![United Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 11/76:00 am
BOS
- GJT
1 stop8h 30m
Delta
Tue 11/101:16 pm
GJT
- BOS
1 stop8h 33m
Delta
Deal found 5/13![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 8/126:00 am
BOS
- GUC
1 stop8h 10m
American Airlines
Tue 8/1812:56 pm
GUC
- BOS
1 stop7h 10m
American Airlines
Deal found 5/12![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/117:55 am
BOS
- DEN
1 stop8h 30m
Southwest
Mon 6/158:40 am
DEN
- BOS
1 stop7h 30m
Southwest
Deal found 5/12![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 5/16. 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 9/248:23 pm
BOS
- DEN
Nonstop4h 43m
United Airlines
Sun 10/411:59 pm
DEN
- BOS
Nonstop3h 59m
United Airlines
Deal found 5/16![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:00 am
BOS
- GJT
1 stop8h 40m
Delta
Tue 11/101:16 pm
GJT
- BOS
1 stop8h 33m
Delta
Deal found 5/15![Delta logo]()
$320
This Southwest deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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.
Sun 5/315:15 am
BOS
- COS
1 stop6h 05m
Southwest
Tue 6/212:40 pm
COS
- BOS
1 stop9h 25m
Southwest
Deal found 5/14![Southwest logo]()
$358
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 9/127:55 am
BOS
- DEN
Nonstop4h 45m
Delta
Wed 9/231:35 pm
DEN
- BOS
1 stop9h 31m
Delta
Deal found 5/13![Delta logo]()
$330
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:00 am
BOS
- GJT
1 stop9h 25m
American Airlines
Wed 7/88:35 am
GJT
- BOS
1 stop10h 25m
American Airlines
Deal found 5/16![American Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 5/286:10 am
ALB
- COS
1 stop7h 00m
United Airlines
Sat 5/303:42 pm
COS
- ALB
1 stop5h 48m
United Airlines
Deal found 5/12![United Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 11/76:00 am
BOS
- GJT
1 stop8h 30m
Delta
Wed 11/111:16 pm
GJT
- BOS
1 stop8h 33m
Delta
Deal found 5/15![Delta logo]()
$335
This Southwest deal was found by Cheapflights users on 5/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:10 pm
BDL
- DEN
1 stop5h 55m
Southwest
Mon 7/208:50 pm
DEN
- BDL
1 stop12h 10m
Southwest
Deal found 5/16![Southwest logo]()
$394
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 5/296:00 am
BOS
- MTJ
2 stops9h 30m
American Airlines
Mon 6/12:21 pm
MTJ
- BOS
2 stops17h 06m
American Airlines
Deal found 5/12![American Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:00 am
ALB
- COS
1 stop6h 33m
United Airlines
Fri 8/281:03 pm
COS
- ALB
1 stop8h 27m
United Airlines
Deal found 5/12![United Airlines logo]()
$423
This Southwest deal was found by Cheapflights users on 5/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:40 am
BDL
- DEN
1 stop6h 35m
Southwest
Sun 11/86:30 am
DEN
- BDL
2 stops7h 40m
Southwest
Deal found 5/16![Southwest logo]()
$394
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 7/35:45 pm
BDL
- DEN
1 stop7h 21m
Delta
Wed 7/84:08 pm
DEN
- BDL
1 stop5h 31m
Delta
Deal found 5/12![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:00 am
BOS
- EGE
1 stop9h 31m
American Airlines
Tue 6/27:50 am
EGE
- BOS
1 stop7h 17m
American Airlines
Deal found 5/16![American Airlines logo]()
$461
Last-minute flights from Massachusetts to ColoradoDiscover last-minute flight deals from Massachusetts to Colorado. Data last updated May 17, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to Colorado. Data last updated May 17, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 5/2710:45 am
BOS
- DEN
Nonstop4h 40m
JetBlue
Fri 5/2910:34 pm
DEN
- BOS
Nonstop3h 55m
JetBlue
Deal found 5/13![JetBlue logo]()
$217
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 5/277:45 am
BOS
- DEN
Nonstop4h 34m
United Airlines
Sat 5/303:06 pm
DEN
- BOS
1 stop6h 15m
United Airlines
Deal found 5/13![United Airlines logo]()
$232
This Expedia deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 5/286:00 am
BOS
- DEN
1 stop10h 04m
Multiple Airlines
Tue 6/910:34 pm
DEN
- BOS
Nonstop3h 53m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$231
This JetBlue deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
Mon 6/16:45 pm
BOS
- DEN
Nonstop4h 52m
JetBlue
Tue 6/910:34 pm
DEN
- BOS
Nonstop3h 53m
JetBlue
Deal found 5/12![JetBlue logo]()
$220
This Southwest deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/25:35 am
BOS
- DEN
Nonstop4h 30m
Southwest
Fri 6/57:05 pm
DEN
- BOS
Nonstop3h 55m
Southwest
Deal found 5/12![Southwest logo]()
$219
This Cheapflightsfares deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
Tue 6/26:00 am
BOS
- DEN
1 stop10h 04m
Frontier
Thu 6/410:00 am
DEN
- BOS
1 stop13h 24m
Frontier
Deal found 5/12![Frontier logo]()
$223
This Southwest deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/27:35 am
BOS
- DEN
2 stops8h 45m
Southwest
Sat 6/66:45 pm
DEN
- BOS
Nonstop3h 50m
Southwest
Deal found 5/12![Southwest logo]()
$224
This CheapOair deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/36:45 pm
BOS
- DEN
Nonstop4h 52m
Multiple Airlines
Thu 6/46:03 am
DEN
- BOS
1 stop27h 03m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$225
This Expedia deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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.
Fri 6/512:01 pm
BOS
- DEN
1 stop12h 23m
Multiple Airlines
Tue 6/910:34 pm
DEN
- BOS
Nonstop3h 53m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$226
This Southwest deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/66:40 am
BOS
- DEN
Nonstop4h 25m
Southwest
Mon 6/87:05 pm
DEN
- BOS
Nonstop3h 55m
Southwest
Deal found 5/12![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/95:25 am
BOS
- DEN
1 stop6h 50m
Southwest
Mon 6/157:05 pm
DEN
- BOS
Nonstop3h 55m
Southwest
Deal found 5/13![Southwest logo]()
$229
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/234:06 pm
BOS
- COS
1 stop8h 18m
American Airlines
Wed 8/128:00 am
COS
- BOS
1 stop9h 42m
American Airlines
Deal found 5/16![American Airlines logo]()
$244
One-way flights from Massachusetts to ColoradoSearch for one-way flight options from Massachusetts to Colorado. Find affordable one-way fares based on user searches. Data last updated May 17, 2026.
Search for one-way flight options from Massachusetts to Colorado. Find affordable one-way fares based on user searches. Data last updated May 17, 2026.
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:06 pm
BOS
- COS
1 stop8h 51m
American Airlines
Deal found 5/16![American Airlines logo]()
$96
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 6/29:00 am
BOS
- COS
1 stop9h 34m
American Airlines
Deal found 5/13![American Airlines logo]()
$99
This Frontier deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 9/212:33 pm
BDL
- DEN
1 stop12h 21m
Frontier
Deal found 5/12![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 6/96:00 am
BOS
- DEN
1 stop18h 16m
Frontier
Deal found 5/12![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:03 pm
BOS
- DEN
Nonstop4h 39m
JetBlue
Deal found 5/13![JetBlue logo]()
$112
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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
Deal found 5/13![United Airlines logo]()
$113
This United Airlines deal was found by Cheapflights users on 5/16. 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 7/76:00 am
BOS
- COS
1 stop7h 06m
United Airlines
Deal found 5/16![United Airlines logo]()
$114
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” 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 9/217:55 am
BOS
- DEN
Nonstop4h 45m
Delta
Deal found 5/13![Delta logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 8/228:40 am
BOS
- DEN
1 stop7h 49m
Frontier
Deal found 5/12![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” 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 8/276:00 am
BOS
- DEN
1 stop9h 59m
Frontier
Deal found 5/12![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:00 am
BOS
- DEN
1 stop9h 59m
Frontier
Deal found 5/13![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:45 pm
BOS
- DEN
Nonstop4h 52m
JetBlue
Deal found 5/14![JetBlue logo]()
$121
Find flight deals from Massachusetts to Colorado
Keep the following information in mind while searching for Massachusetts to Colorado flight deals. Data was last updated May 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $209 (American Airlines) |
One-way from | $96 (American Airlines) |
Popular in | February |
Cheapest in | November |
Average price | $350 |
Good round-trip deal | $313 or less |
Good one-way deal | $197 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Massachusetts 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 May 17, 2026.
Use the filters below to find and compare flights from Massachusetts to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonDenver
BOS - DEN
BOSDEN
Boston Logan Intl
Mon 6/1
6:45 pm-9:37 pm
Nonstop4h 52m
Denver Intl
Tue 6/9
10:34 pm-4:27 am
Nonstop3h 53m
$219
Quickest round-trip
BostonDenver
BOS - DEN
BOSDEN
Boston Logan Intl
Thu 6/4
6:25 am-8:50 am
Nonstop4h 25m
Denver Intl
Mon 6/8
7:05 pm-1:00 am
Nonstop3h 55m
$227
BostonDenver
BOS - DEN
BOSDEN
Boston Logan Intl
Fri 7/10
8:39 pm-11:26 pm
Nonstop4h 47m
Denver Intl
Sat 8/29
3:50 pm-12:34 am
1 stop6h 44m
$247
BostonColorado Springs
BOS - COS
BOSCOS
Boston Logan Intl
Tue 6/23
4:06 pm-10:24 pm
1 stop8h 18m
Colorado Springs
Wed 8/12
8:00 am-7:26 pm
2 stops9h 26m
$277
BostonDenver
BOS - DEN
BOSDEN
Boston Logan Intl
Tue 6/9
5:00 am-7:25 am
Nonstop4h 25m
Denver Intl
Thu 6/11
3:30 pm-12:10 am
1 stop6h 40m
$284
BostonColorado Springs
BOS - COS
BOSCOS
Boston Logan Intl
Sun 9/6
5:30 am-12:48 pm
2 stops9h 18m
Colorado Springs
Mon 9/14
6:00 am-9:31 pm
2 stops13h 31m
$288
BostonColorado Springs
BOS - COS
BOSCOS
Boston Logan Intl
Sat 7/4
11:00 am-9:07 pm
2 stops12h 07m
Colorado Springs
Mon 7/13
6:16 pm-9:02 am
2 stops12h 46m
$288
BostonDenver
BOS - DEN
BOSDEN
Boston Logan Intl
Sun 9/6
7:45 am-10:22 am
Nonstop4h 37m
Denver Intl
Sun 9/13
11:59 pm-5:59 am
Nonstop4h 00m
$288
BostonColorado Springs
BOS - COS
BOSCOS
Boston Logan Intl
Wed 6/3
5:35 am-9:45 am
1 stop6h 10m
Colorado Springs
Wed 6/10
5:35 am-4:50 pm
2 stops9h 15m
$294
BostonDenver
BOS - DEN
BOSDEN
Boston Logan Intl
Thu 9/10
7:55 am-10:40 am
Nonstop4h 45m
Denver Intl
Sat 9/12
11:40 am-5:50 pm
Nonstop4h 10m
$297
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Massachusetts to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Massachusetts with our price prediction graph.
BOS-COS
BDL-DEN
BOS-DEN
ALB-DEN
BOS-EGE
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 Massachusetts to Colorado
USMA-USCO
BOS-COS
BDL-DEN
BOS-DEN
ALB-DEN
How far ahead should I book a flight from Massachusetts to Colorado?
The price you pay for your flight from Massachusetts to Colorado may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Massachusetts to Colorado?
Currently, January is the cheapest month in which you can book a flight from Massachusetts to Colorado (average of $285). Flying from Massachusetts to Colorado in February is currently the most expensive (average of $446). 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.
What is the cheapest time of day to fly from MA to CO?
Find hourly flight availability from Massachusetts to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 17, 2026.
It’s optimal to fly from Massachusetts to Colorado in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from Massachusetts to Colorado?
Use this chart to determine the cheapest time to fly round-trip from Massachusetts to Colorado. Price data was last updated on May 9, 2026.
Travelers seeking maximum savings on their Massachusetts to Colorado flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Massachusetts to Colorado
Explore weekly flight availability from Massachusetts to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 17, 2026.
The most flights from USMA to USCO are scheduled on a Sunday (16 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Massachusetts to Colorado?
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 May 17, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Massachusetts to Colorado to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Massachusetts 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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for Massachusetts 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 Massachusetts to Colorado by cabin class
Find flights from Massachusetts to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Massachusetts and Colorado flights
Browse other Massachusetts and Colorado flight options. Last updated on May 17, 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 Massachusetts after your stay in Colorado
Massachusetts to Colorado flights
Consider these flights traveling from Massachusetts to Colorado.
Top 6 airlines flying from Massachusetts to Colorado
Discover the top 6 airlines that operate flights from Massachusetts 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 May 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$259 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$110 | Average$340 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$135 | Average$373 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$175 | Average$453 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$190 | Average$512 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$191 | Average$476 | FlexibilityNo cancel fee | On-time69% |