Cheap flights from Boston to Denver

Logan
BOS
Denver
DEN

Flight deals from Boston to Denver

Below you can see the best deals on flights Boston — Denver for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 10 September, from $77.

Top 10 cheap flights from Boston to Denver

F9
F9
$ 77

Boston — Denver

12:54—21:24
12 Sep 2026
10 h 30 m
1 stop
F9
F9
$ 77

Boston — Denver

12:54—21:24
10 Sep 2026
10 h 30 m
1 stop
F9
F9
$ 77

Boston — Denver

11:17—19:37
10 Sep 2026
10 h 20 m
1 stop
F9
F9
$ 80

Boston — Denver

12:45—22:10
31 Aug 2026
11 h 25 m
1 stop
F9
F9
$ 80

Boston — Denver

12:45—22:05
1 Sep 2026
11 h 20 m
1 stop
F9
F9
$ 80

Boston — Denver

12:45—22:10
2 Sep 2026
11 h 25 m
1 stop
F9
F9
$ 81

Boston — Denver

11:17—07:37
10 Sep 2026
22 h 20 m
1 stop
F9
F9
$ 81

Boston — Denver

11:17—15:37
10 Sep 2026
30 h 20 m
1 stop
B6
$ 81

Boston — Denver

06:20—08:53
5 Sep 2026
4 h 33 m
Direct flight
B6
$ 81

Boston — Denver

20:03—22:42
5 Sep 2026
4 h 39 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Boston — Denver flight

Looking for cheap flights from Boston to Denver? Compare fares from different airlines, check the flight schedule and travel time — and book your Boston — Denver ticket online at the best price.

The route has direct flights — around 143 flights per week, flights are operated by United Airlines, JetBlue, Southwest Airlines, Delta, a nonstop flight takes about 4 h 31 min, the distance between the cities is around 2,849 km.

Planning your trip? You may find our Denver travel guide, how to get from the airport into town and Denver weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $77Min. price
SeptemberCheapest
AprilPeak season
YesDirect flights
2,849 kmDistance
4 h 31 minTravel time
4Airlines
143 / wkFlights

Flight schedule from Boston to Denver

The table shows direct flights from Boston to Denver on the selected date. The flight takes approximately 4 h 31 min. Regular flights are operated by United Airlines, JetBlue, Southwest Airlines and Delta. Departures from Logan International Airport airports, arrivals at Denver International Airport and Centennial Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 14 Aug 2026

Flight ticket prices by day: Boston — Denver

Below is a calendar of the lowest flight ticket prices for Boston — Denver by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $77 in September, and the most expensive are around $164 in April. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Boston to Denver by month. Tickets are usually cheapest in February (around $163) and priciest in July (about $239) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$169lowMay$174lowSep$201medium
Feb$163lowJun$228highOct$196medium
Mar$190mediumJul$239highNov$163low
Apr$196mediumAug$228highDec$223high

Some values are estimated based on seasonality.

When to fly

Weather in Denver: it is warmest in July (up to 31 °C on average) and coolest in January (around 6 °C). The driest month is November.

Tickets are usually cheapest in September and most expensive in April. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Denver

Dry and wet days · Denver

Wind speed and direction · Denver

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How to get the best deal on a Boston — Denver ticket

  • Book ahead: fares for Boston — Denver are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Denver is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Boston — Denver route are operated by 4 airlines; United Airlines runs the most flights (around 47% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    22x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight BOS → DEN22x/week
      Duration
      4h 31m
      Days
      MTWTFSS
    46.9%Open →
  • JetBlueB6
    15x/week
    WebsiteFleet: 30742.5M pax/year
    • Direct flight BOS → DEN15x/week
      Duration
      4h 34m
      Days
      MTWTFSS
    30.8%Open →
  • Southwest AirlinesWN
    7x/week
    WebsiteFleet: 817140M pax/year
    • Direct flight BOS → DEN7x/week
      Duration
      4h 27m
      Days
      MTWTFSS
    14.0%Open →
  • DeltaDL
    4x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight BOS → DEN4x/week
      Duration
      4h 36m
      Days
      MTWTFSS
    8.4%Open →

Cities and airports on the Boston — Denver route

Flights Boston — Denver depart from Logan International Airport and arrive at Denver International Airport and Centennial Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Boston

BOS
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Denver

DEN
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Boston — Denver flight

How long is the flight from Boston to Denver?

A nonstop Boston — Denver flight takes about 4 h 31 min — the distance between the cities is around 2,849 km.

How far is it from Boston to Denver?

The distance from Boston to Denver is about 2,849 km, which a nonstop flight covers in around 4 h 31 min.

Are there direct flights from Boston to Denver?

Yes, there are nonstop flights Boston — Denver — around 143 flights per week.

Which airlines fly from Boston to Denver?

Airlines operating Boston — Denver include United Airlines, JetBlue, Southwest Airlines, Delta. See the full list with schedules in the "Airlines" section on this page.

Which airports do Boston — Denver flights use?

Flights from Boston depart from Logan International Airport, and arrive at Denver International Airport, Centennial Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Boston to Denver?

The price of a Boston — Denver ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in April. Tickets typically cost between $77 and $164. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Boston — Denver?

Flights Boston — Denver are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Boston to Denver?

To catch a low fare Boston — Denver, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Boston

See all
New York CityWashington, D.C.ChicagoTorontoSan FranciscoAtlantaSeattleLos AngelesPhiladelphiaNantucketLondonDallasOrlandoFort LauderdaleDetroitCharlotteRaleighMontrealNashvilleMarthas VineyardMinneapolisMiamiBuffaloSan DiegoPhoenixMadridTampaPittsburghClevelandBarcelonaIndianapolisSan JuanDublinHoustonParisLas VegasAustinRichmondCincinnatiAmsterdam

Where else you can fly from Denver

See all
Los AngelesSeattlePhoenixNew York CitySalt Lake CitySan DiegoDallasLas VegasMinneapolisChicagoHoustonAtlantaPortlandAustinColorado SpringsSan FranciscoWashington, D.C.OrlandoKansas CityNashvilleSanta AnaDetroitOklahoma CityAspenRapid CityMiamiPhiladelphiaSacramentoAlbuquerqueSt. LouisWichitaSan JoseBoiseMidlandCharlotteOmahaGrand JunctionSan AntonioTulsaVancouver

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