Cheap Flights from Boston to Denver
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The latest fare from Boston to Denver: $273 round trip, Dec 13 – Dec 21, seen Nov 5. Prices by month are below.
Across 5 months of observations from Boston to Denver, the lowest round-trip economy fare we recorded was $141, in August. The typical economy fare was $251. August was the cheapest month we saw and November the dearest.
The most recent economy price we saw on this route was $273 on Frontier and Southwest, seen Nov 5.
See every deal from Boston, to Denver, or the return direction Denver to Boston.
Latest economy price we saw: Boston to Denver
The most recent economy round-trip fare we saw on this route.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Boston (BOS) to Denver (DEN) | $273 | 7.8¢ | Dec 13 – Dec 21 | Frontier and Southwest | Nov 5 | Check price |
Economy price history: Boston to Denver
The lowest fares we saw each month.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Nov 2026 | $268 | $355 | 50 |
| Oct 2026 | $165 | $242 | 155 |
| Sep 2026 | $145 | $211 | 67 |
| Aug 2026 | $141 | $215 | 119 |
| Jul 2026 | $235 | $235 | 1 |
Frequently asked questions
How many flight deals from Boston to Denver are on Sparkflights right now?
There are 0 deals from Boston to Denver on the board right now.
What is the lowest price ever seen from Boston to Denver?
The lowest economy fare we've recorded from Boston to Denver is $141, based on 392 price observations over 5 months.
How much does a flight from Boston to Denver cost?
The typical round-trip economy fare we observed from Boston to Denver is $251, against a recorded low of $141. These are observations, not quotes.
When is the cheapest month to fly Boston to Denver?
For economy fares from Boston to Denver, August was the cheapest month we observed and November the dearest, over 5 months of data.
What is the current price from Boston to Denver?
The most recent economy fare we saw from Boston to Denver is $273, on Nov 5.