Cheap Flights from Denver to Boston
Low fares from $229. Non-stop options in about 4h 10m. Call now and let an expert beat the price you see online.
- Exclusive phone-only fares you won't see online
- Experts help with changes, cancellations & refunds
- No hidden booking fees — pay what you're quoted
- 24/7 US-based travel agents on call
About flights from Denver to Boston
The Denver to Boston route covers roughly 1,749 miles (2,815 km), departing from Denver International Airport (DEN) and arriving at Logan International Airport (BOS). A non-stop journey takes about 4h 10m. Because this is a domestic route, fares swing widely by season, day of week and how far ahead you book — which is exactly where a quick phone call pays off.
Our travel experts hold consolidator and negotiated fare contracts that aren't shown on public booking sites. Call +1 (855) 302-0422 and we'll search live inventory for your exact dates, hold the best fare, and book it for you — 24/7.
Airlines flying DEN → BOS
- American Airlines
- Delta Air Lines
- United Airlines
- JetBlue Airways
When is the cheapest time to fly Denver to Boston?
Fares on the Denver–Boston route are usually lowest when you book 3 to 10 weeks ahead and fly mid-week (Tuesday or Wednesday). Prices climb sharply in the final two weeks and around holidays and long weekends. Because airlines release a small number of discounted seats on each flight, the best fare can disappear within hours — that's why a quick call often beats refreshing booking sites for days.
Denver to Boston: route at a glance
| Departure airport | Denver International Airport (DEN), Denver |
|---|---|
| Arrival airport | Logan International Airport (BOS), Boston |
| Distance | 1,749 mi (2,815 km) |
| Typical flight time | ~4h 10m (non-stop) |
| Route type | Domestic |
| Fares from | $229 (call for live pricing) |
How to change or cancel a Denver–Boston flight
Plans change. If you need to move your dates, switch passengers, or cancel altogether, the rules depend on your fare type and airline. Many tickets allow changes for a fee (or free within 24 hours of booking), and some qualify for a full refund. Rather than navigate each airline's fine print, call us — we'll review your options, waive avoidable fees where possible, and rebook you fast. Learn more in our guide to cancelling a flight and getting a refund and how to change your flight date without paying a fee.
Frequently asked questions
How much is a flight from Denver to Boston?
Fares from Denver to Boston start around $229 one-way, but the best last-minute deals change daily. Call +1 (855) 302-0422 to get the lowest live fare for your dates.
How long is the flight from Denver to Boston?
The distance is about 1,749 miles, so a non-stop flight takes roughly 4h 10m.
Which airlines fly from Denver to Boston?
Carriers commonly serving this route include American Airlines, Delta Air Lines, United Airlines, JetBlue Airways.
Can I get a cheaper fare by calling?
Yes. Our agents have access to consolidator and discounted fares that are often lower than online prices. Call +1 (855) 302-0422 — it's free and available 24/7.