Featured deal
Phoenix to Boston
- Dec 5–11, 2026
- 6 nights
United- Economy
$277 USD
View deal Round trip
Cheap Flights from Phoenix to Boston
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Latest economy price we saw: Phoenix to Boston
The most recent economy round-trip fare we saw on this route.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Phoenix (PHX) to Boston (BOS) | $276 | 6.0¢ | Dec 5 – Dec 11 | Alaska | Nov 6 | Check price |
Economy price history: Phoenix to Boston
The lowest fares we saw each month.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Nov 2026 | $276 | $293 | 8 |
| Oct 2026 | $259 | $569 | 142 |
| Sep 2026 | $279 | $493 | 158 |
| Aug 2026 | $212 | $383 | 249 |
| Jul 2026 | $248 | $248 | 1 |
Every deal from Phoenix to Boston, ranked by cost per mile.
On the board right now
- Cabin mix: 1 Economy.
- Most active airlines: United.
Frequently asked questions
How many flight deals from Phoenix to Boston are on Sparkflights right now?
There are 1 deals from Phoenix to Boston on the board right now.
What is the cheapest flight from Phoenix to Boston right now?
The lowest fare from Phoenix to Boston right now is $277 in Economy.
What is the lowest price ever seen from Phoenix to Boston?
The lowest economy fare we've recorded from Phoenix to Boston is $212, based on 558 price observations over 5 months.
How much does a flight from Phoenix to Boston cost?
The typical round-trip economy fare we observed from Phoenix to Boston is $397, against a recorded low of $212. These are observations, not quotes.
When is the cheapest month to fly Phoenix to Boston?
For economy fares from Phoenix to Boston, August was the cheapest month we observed and September the dearest, over 5 months of data.
What is the current price from Phoenix to Boston?
The most recent economy fare we saw from Phoenix to Boston is $276, on Nov 6.
Which airlines fly Phoenix to Boston?
Airlines with the most deals from Phoenix to Boston right now are United.