What are the cheapest airlines to fly from Colorado to New Hampshire one-way?

For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $108. Users have also found prices from $109 and $112 on JetBlue and Allegiant Air, respectively.

How far in advance should I book a flight from Colorado to New Hampshire?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 24 days in advance, which can save you up to 41% on flights from Colorado to New Hampshire compared to booking the week you need them. Waiting 24 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $277. For sooner than that we have options available in the next 3 days from $391.

What is the cheapest month to fly from Colorado to New Hampshire?

Flights from Colorado to New Hampshire lean towards being more expensive in July. Prices are generally better when you fly from Colorado to New Hampshire in January, with the cheapest ticket starting at $98.

Can I find deals for flights from Colorado to New Hampshire that include hotel bookings?

Yes. In addition to deals on Colorado to New Hampshire flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Colorado to New Hampshire?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to New Hampshire.

Can I find deals for business class flights from Colorado to New Hampshire?

Yes. Cheapflights offers flight deals from Colorado to New Hampshire by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$108+ Flights from Colorado to New Hampshire

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1. Tell us where you want to go

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Cheap flight deals from Colorado to New Hampshire

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$217 (United Airlines)
One-way from	$108 (Kiwi.com)
Popular in	July
Cheapest in	January
Average price	$327

Provider with most accurate pricing for Denver Intl-Boston Logan Intl flight deals.

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Provider most trusted by Cheapflights users for Denver Intl-Boston Logan Intl flights.

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From Colorado to New Hampshire

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One-way flight from Colorado to New Hampshire

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($34 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Colorado to New Hampshire

Cheapest flights from Colorado to New Hampshire
Explore the most affordable flight options available from Colorado to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Fri 5/25:40 pmDEN - BOS

Nonstop4h 00mUnited Airlines

Wed 5/78:25 pmBOS - DEN

Nonstop4h 46mUnited Airlines

Deal found 4/22

$217

Fri 5/95:55 pmDEN - BOS

Nonstop4h 00mSouthwest

Tue 5/135:50 amBOS - DEN

2 stops9h 10mSouthwest

Deal found 4/22

$232

Tue 5/610:40 amCOS - BOS

1 stop7h 15mUnited Airlines

Sat 5/109:20 amBOS - COS

1 stop7h 18mUnited Airlines

Deal found 4/21

$237

Sat 5/2410:38 pmDEN - BOS

Nonstop3h 53mJetBlue

Tue 5/276:35 pmBOS - DEN

Nonstop4h 55mJetBlue

Deal found 4/22

$237

Wed 5/1412:30 amDEN - BOS

1 stop22h 35mFrontier

Tue 5/208:00 amBOS - DEN

1 stop26h 18mFrontier

Deal found 4/22

$238

Tue 4/296:00 amCOS - BOS

2 stops9h 31mAmerican Airlines

Sat 5/38:15 amBOS - COS

1 stop9h 34mAmerican Airlines

Deal found 4/22

$242

Wed 8/138:39 amDEN - BOS

1 stop6h 32mAmerican Airlines

Mon 8/185:19 pmBOS - DEN

1 stop6h 29mAmerican Airlines

Deal found 4/22

$247

Fri 9/1911:40 pmDEN - PWM

1 stop8h 35mSouthwest

Tue 9/234:45 pmPWM - DEN

1 stop7h 50mSouthwest

Deal found 4/21

$257

Wed 5/712:30 amDEN - PWM

1 stop17h 59mFrontier

Mon 5/129:30 pmPWM - DEN

1 stop27h 59mFrontier

Deal found 4/22

$261

Fri 5/911:35 amDEN - BOS

Nonstop4h 02mDelta

Tue 5/137:45 amBOS - DEN

Nonstop4h 40mDelta

Deal found 4/22

$262

Tue 5/132:39 pmDEN - PWM

1 stop6h 21mJetBlue

Tue 5/273:35 pmPWM - DEN

1 stop9h 24mJetBlue

Deal found 4/21

$270

Wed 6/46:45 amDEN - ORH

1 stop6h 20mDelta

Tue 6/103:51 pmORH - DEN

1 stop6h 44mDelta

Deal found 4/22

$272

Best flights from Colorado to New Hampshire
Discover carefully curated flight deals from Colorado to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Fri 5/25:40 pmDEN - BOS

Nonstop4h 00mUnited Airlines

Wed 5/78:25 pmBOS - DEN

Nonstop4h 46mUnited Airlines

Deal found 4/22

$217

Wed 7/211:59 pmDEN - BOS

Nonstop4h 03mDelta

Fri 7/118:30 pmBOS - DEN

Nonstop4h 39mDelta

Deal found 4/20

$227

Fri 5/95:55 pmDEN - BOS

Nonstop4h 00mSouthwest

Tue 5/135:50 amBOS - DEN

2 stops9h 10mSouthwest

Deal found 4/22

$232

Fri 5/210:39 pmDEN - BOS

Nonstop3h 50mJetBlue

Sun 5/49:55 amBOS - DEN

Nonstop4h 45mJetBlue

Deal found 4/21

$237

Wed 5/1412:30 amDEN - BOS

1 stop22h 35mFrontier

Tue 5/208:00 amBOS - DEN

1 stop26h 18mFrontier

Deal found 4/22

$238

Tue 8/1912:01 pmCOS - BOS

1 stop6h 46mAmerican Airlines

Sun 8/315:00 amBOS - COS

1 stop8h 29mAmerican Airlines

Deal found 4/22

$247

Sat 5/3111:40 amDEN - BOS

1 stop16h 30mAlaska Airlines

Sat 6/76:00 amBOS - DEN

1 stop14h 09mAlaska Airlines

Deal found 4/21

$256

Fri 5/236:21 pmDEN - BOS

1 stop12h 51mAllegiant Air

Sat 5/3110:02 amBOS - DEN

1 stop9h 24mAllegiant Air

Deal found 4/22

$258

Thu 5/86:30 pmDEN - BOS

1 stop14h 12mMultiple Airlines

Sun 5/1110:14 amBOS - DEN

1 stop15h 45mMultiple Airlines

Deal found 4/21

$263

Sat 6/285:07 pmDEN - PWM

1 stop16h 28mSun Country Air

Sun 7/612:40 pmPWM - DEN

1 stop22h 17mSun Country Air

Deal found 4/22

$445

Tue 5/610:40 amCOS - BOS

1 stop7h 15mUnited Airlines

Sat 5/109:20 amBOS - COS

1 stop7h 18mUnited Airlines

Deal found 4/21

$237

Fri 6/63:02 pmDEN - PWM

1 stop6h 57mDelta

Mon 6/96:56 pmPWM - DEN

1 stop7h 25mDelta

Deal found 4/22

$257

Last-minute flights from Colorado to New Hampshire
Discover last-minute flight deals from Colorado to New Hampshire. Data last updated April 22, 2025 and is based on user searches.

Mon 4/289:06 amDEN - BOS

1 stop8h 53mAmerican Airlines

Tue 4/292:11 pmBOS - DEN

1 stop7h 39mAmerican Airlines

Deal found 4/22

$345

Tue 4/296:00 amCOS - BOS

2 stops9h 31mAmerican Airlines

Sat 5/38:15 amBOS - COS

1 stop9h 34mAmerican Airlines

Deal found 4/22

$242

Tue 4/2911:35 pmDEN - BOS

1 stop8h 45mSouthwest

Fri 5/26:25 amBOS - DEN

Nonstop4h 35mSouthwest

Deal found 4/22

$247

Tue 4/296:00 amCOS - BOS

2 stops12h 00mDelta

Sat 5/33:58 pmBOS - COS

1 stop7h 07mDelta

Deal found 4/21

$302

Tue 4/2912:06 pmCOS - BOS

1 stop9h 38mUnited Airlines

Sat 5/34:45 pmBOS - COS

1 stop7h 15mUnited Airlines

Deal found 4/21

$327

Thu 5/110:39 pmDEN - BOS

Nonstop3h 50mJetBlue

Wed 5/79:53 amBOS - DEN

Nonstop4h 35mJetBlue

Deal found 4/22

$237

Thu 5/112:28 amDEN - BOS

1 stop9h 24mFrontier

Mon 5/512:58 pmBOS - DEN

1 stop12h 06mFrontier

Deal found 4/21

$270

Thu 5/112:55 amDEN - BOS

1 stop7h 50mDelta

Tue 5/67:40 amBOS - DEN

Nonstop4h 40mDelta

Deal found 4/21

$326

Thu 5/112:30 amDEN - PWM

1 stop18h 10mFrontier

Sun 5/48:23 pmPWM - DEN

1 stop13h 55mFrontier

Deal found 4/20

$331

Fri 5/25:40 pmDEN - BOS

Nonstop4h 00mUnited Airlines

Wed 5/78:25 pmBOS - DEN

Nonstop4h 46mUnited Airlines

Deal found 4/22

$217

Fri 5/27:55 pmDEN - BOS

1 stop10h 00mAlaska Airlines

Sat 5/310:00 amBOS - DEN

1 stop9h 38mAlaska Airlines

Deal found 4/21

$283

Fri 5/27:20 amDEN - PWM

2 stops7h 16mAmerican Airlines

Sun 5/47:35 amPWM - DEN

1 stop7h 53mAmerican Airlines

Deal found 4/20

$488

One-way flights from Colorado to New Hampshire
Search for one-way flight options from Colorado to New Hampshire. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Tue 5/612:21 pmDEN - BOS

1 stop9h 38mHawaiian Airlines

Deal found 4/21

$108

Fri 5/210:39 pmDEN - BOS

Nonstop3h 50mJetBlue

Deal found 4/21

$109

Fri 5/166:31 pmDEN - BOS

1 stop13h 39mAllegiant Air

Deal found 4/22

$112

Tue 8/55:02 amDEN - BOS

1 stop9h 59mUnited Airlines

Deal found 4/21

$114

Fri 5/307:05 pmDEN - BOS

1 stop9h 05mAlaska Airlines

Deal found 4/21

$115

Wed 5/711:35 pmDEN - BOS

1 stop6h 15mSouthwest

Deal found 4/21

$118

Sat 5/107:11 amCOS - BOS

1 stop8h 08mAmerican Airlines

Deal found 4/21

$119

Tue 8/57:20 amDEN - BOS

1 stop7h 47mAmerican Airlines

Deal found 4/22

$120

Mon 5/199:13 amDEN - PWM

1 stop9h 27mFrontier

Deal found 4/22

$120

Tue 5/1312:30 amDEN - BOS

1 stop22h 14mFrontier

Deal found 4/22

$121

Wed 5/2112:31 pmDEN - PWM

1 stop9h 43mDelta

Deal found 4/21

$129

Mon 10/136:40 pmDEN - BOS

1 stop14h 01mSun Country Air

Deal found 4/21

$133

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Fri 5/2

5:40 pm-11:40 pm

Nonstop4h 00m

Boston Logan Intl

Wed 5/7

8:25 pm-11:11 pm

Nonstop4h 46m

$217

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Wed 6/18

10:39 pm-4:35 am

Nonstop3h 56m

Boston Logan Intl

Sun 6/22

6:34 am-9:03 am

Nonstop4h 29m

$227

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Fri 5/9

5:55 pm-11:55 pm

Nonstop4h 00m

Boston Logan Intl

Tue 5/13

5:50 am-1:00 pm

2 stops9h 10m

$232

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Tue 5/6

10:40 am-7:55 pm

1 stop7h 15m

Boston Logan Intl

Sat 5/10

9:20 am-2:38 pm

1 stop7h 18m

$237

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Wed 5/14

12:30 am-1:05 am

1 stop22h 35m

Boston Logan Intl

Tue 5/20

8:00 am-8:18 am

1 stop26h 18m

$238

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Tue 8/19

12:01 pm-8:47 pm

1 stop6h 46m

Boston Logan Intl

Sun 8/31

5:00 am-11:29 am

1 stop8h 29m

$247

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Wed 8/13

8:39 am-5:11 pm

1 stop6h 32m

Boston Logan Intl

Mon 8/18

5:19 pm-9:48 pm

1 stop6h 29m

$247

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Fri 6/6

3:02 pm-11:59 pm

1 stop6h 57m

Portland

Mon 6/9

6:56 pm-12:21 am

1 stop7h 25m

$257

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 5/7

12:30 am-8:29 pm

1 stop17h 59m

Portland

Mon 5/12

9:30 pm-11:29 pm

1 stop27h 59m

$261

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Fri 5/9

11:35 am-5:37 pm

Nonstop4h 02m

Boston Logan Intl

Tue 5/13

7:45 am-10:25 am

Nonstop4h 40m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 results

...

Best time to book a flight from Colorado to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Colorado with our price prediction graph.

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 Colorado to New Hampshire

What is the cheapest month to book a flight from Colorado to New Hampshire?

Currently, January is the cheapest month in which you can book a flight from Colorado to New Hampshire (average of $334). Flying from Colorado to New Hampshire in June is currently the most expensive (average of $442). 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 CO to NH?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to New Hampshire as you normally would.

Reviews of airlines servicing New Hampshire

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Colorado to New Hampshire have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,911 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,911 reviews

Alaska Airlines

8.0

Very good

9,911 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,287 reviews

Alaska Airlines

8.0

Very good

9,911 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,911 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,392 reviews

Alaska Airlines

8.0

Very good

9,911 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,683 reviews

Alaska Airlines

8.0

Very good

9,911 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What are the cheapest airlines to fly from Colorado to New Hampshire one-way?
For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $108. Users have also found prices from $109 and $112 on JetBlue and Allegiant Air, respectively.
Can I find deals for flights from Colorado to New Hampshire that include hotel bookings?
Yes. In addition to deals on Colorado to New Hampshire flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Colorado to New Hampshire?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to New Hampshire.
Can I find deals for business class flights from Colorado to New Hampshire?
Yes. Cheapflights offers flight deals from Colorado to New Hampshire by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Colorado to New Hampshire?
Currently, January is the cheapest month in which you can book a flight from Colorado to New Hampshire (average of $334). Flying from Colorado to New Hampshire in June is currently the most expensive (average of $442). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Colorado to New Hampshire

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Find a return flight route from New Hampshire

Top 3 airlines flying from Colorado to New Hampshire

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$286	Average$448	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$290	Average$605	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$306	Average$444	FlexibilityNo cancel fee	On-time69%

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$108+ Cheap flights from Colorado to New Hampshire

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado to New Hampshire with Cheapflights

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Cheap flight deals from Colorado to New Hampshire

Keep the following information in mind while searching for Colorado to New Hampshire flight deals. Data was last updated April 22, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Colorado to New Hampshire

Cheapest flights from Colorado to New HampshireExplore the most affordable flight options available from Colorado to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Explore the most affordable flight options available from Colorado to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to New Hampshire that are best for you.

Best time to book a flight from Colorado to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Colorado with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Colorado to New Hampshire

What is the cheapest month to book a flight from Colorado to New Hampshire?

What is the cheapest time of day to fly from CO to NH?

Find hourly flight availability from Colorado to New Hampshire. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

Reviews of airlines servicing New Hampshire

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Colorado to New Hampshire have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Colorado to New Hampshire. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Colorado to New Hampshire one-way?

Can I find deals for flights from Colorado to New Hampshire that include hotel bookings?

How can I find direct flights from Colorado to New Hampshire?

Can I find deals for business class flights from Colorado to New Hampshire?

What is the cheapest month to book a flight from Colorado to New Hampshire?

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 for Colorado to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Colorado to New Hampshire

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Cheapest flights from Colorado to New Hampshire
Explore the most affordable flight options available from Colorado to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.