BOS

$109 Find Cheap Flights from Colorado to Boston - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Boston departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Colorado to Boston

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Colorado to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Colorado to Boston

Mon, Nov 9 - Tue, Nov 10
Southwest Logo
5:05 pm - 1:10 amCOS  Colorado Springs-BOS Boston Logan Intl
6h 05m1 stop Denver Intl
Southwest Logo
4:40 pm - 9:40 pmBOS  Boston Logan Intl-COS Colorado Springs
7h 00m1 stop Denver Intl
$217Southwest
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
5:01 am - 2:08 pmCOS  Colorado Springs-BOS Boston Logan Intl
7h 07m1 stop Chicago O'Hare Intl
American Airlines Logo
7:45 am - 2:39 pmBOS  Boston Logan Intl-COS Colorado Springs
8h 54m1 stop Dallas/Fort Worth
$217American Airlines
Tue, Sep 15 - Sat, Sep 19
American Airlines Logo
12:37 pm - 9:00 pmCOS  Colorado Springs-BOS Boston Logan Intl
6h 23m1 stop Chicago O'Hare Intl
American Airlines Logo
1:34 pm - 8:40 pmBOS  Boston Logan Intl-COS Colorado Springs
9h 06m1 stop Chicago O'Hare Intl
$217American Airlines
Fri, Sep 11 - Tue, Sep 15
Frontier Logo
9:16 pm - 10:58 amDEN  Denver Intl-BOS Boston Logan Intl
35h 42m2 stops Houston George Bush Intcntl Orlando
Frontier Logo
12:52 pm - 9:03 pmBOS  Boston Logan Intl-DEN Denver Intl
10h 11m1 stop Atlanta Hartsfield-Jackson
$222Frontier
Thu, Oct 22 - Mon, Oct 26
Frontier Logo
6:00 am - 8:20 amDEN  Denver Intl-BOS Boston Logan Intl
24h 20m1 stop Orlando
Frontier Logo
1:00 pm - 2:52 pmBOS  Boston Logan Intl-DEN Denver Intl
27h 52m1 stop Raleigh-Durham
$222Frontier
Mon, Nov 9 - Tue, Nov 10
Southwest Logo
5:05 pm - 1:10 amCOS  Colorado Springs-BOS Boston Logan Intl
6h 05m1 stop Denver Intl
Southwest Logo
1:10 pm - 9:40 pmBOS  Boston Logan Intl-COS Colorado Springs
10h 30m2 stops Lambert-St Louis Denver Intl
$222Southwest
Fri, Oct 30 - Mon, Nov 2
JetBlue Logo
1:00 pm - 6:46 pmDEN  Denver Intl-BOS Boston Logan Intl
3h 46mnonstop
JetBlue Logo
10:22 am - 1:10 pmBOS  Boston Logan Intl-DEN Denver Intl
4h 48mnonstop
$224JetBlue
Mon, Aug 31 - Fri, Sep 4
JetBlue Logo
11:37 pm - 5:30 amDEN  Denver Intl-BOS Boston Logan Intl
3h 53mnonstop
JetBlue Logo
6:30 am - 9:03 amBOS  Boston Logan Intl-DEN Denver Intl
4h 33mnonstop
$224JetBlue
Thu, Aug 20 - Sun, Aug 23
Multiple Airlines Logo
11:37 pm - 5:30 amDEN  Denver Intl-BOS Boston Logan Intl
3h 53mnonstop
Multiple Airlines Logo
9:36 am - 10:05 pmBOS  Boston Logan Intl-DEN Denver Intl
14h 29m1 stop Atlanta Hartsfield-Jackson
$225Multiple Airlines
Thu, Aug 20 - Tue, Aug 25
Multiple Airlines Logo
11:37 pm - 5:30 amDEN  Denver Intl-BOS Boston Logan Intl
3h 53mnonstop
Multiple Airlines Logo
12:45 pm - 10:05 pmBOS  Boston Logan Intl-DEN Denver Intl
11h 20m1 stop Atlanta Hartsfield-Jackson
$225Multiple Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$109
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Colorado Springs to Boston

FAQs for booking flights from Colorado to Boston

  • How does KAYAK find such low prices on flights from Colorado to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Colorado to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Colorado with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston

Boston (BOS)