Phoenix to Boston

PHXBOS

Fly from Phoenix to Boston starting at USD 137 with Frontier Airlines.Best fare available on Sep 25, 2026.Limited seats. Better plans. Book before it's gone.

Phoenix to Boston cheapest flights this week

29 Aug
Frontier Airlines
18:57PHX
08:47BOS
2 StopUSD 140VIEW DEAL
29 Aug
Frontier Airlines
16:48PHX
08:47BOS
2 StopUSD 143VIEW DEAL
31 Aug
Frontier Airlines
18:57PHX
08:47BOS
2 StopUSD 207VIEW DEAL
2 Sept
Frontier Airlines
16:48PHX
08:47BOS
2 StopUSD 218VIEW DEAL
19 Sept
Frontier Airlines
11:37PHX
20:40BOS
1 StopUSD 138VIEW DEAL
24 Sept
Southwest Airlines
12:45PHX
21:30BOS
1 StopUSD 173VIEW DEAL
25 Sept
Frontier Airlines
22:44PHX
09:05BOS
1 StopUSD 141VIEW DEAL
25 Sept
Alaska Airlines
07:08PHX
02:47BOS
1 StopUSD 171VIEW DEAL
25 Sept
United Airlines
13:15PHX
21:54BOS
1 StopUSD 168VIEW DEAL
25 Sept
Frontier Airlines
06:25PHX
07:51BOS
2 StopUSD 137VIEW DEAL

Phoenix to Boston monthly flight fare trend

Aug
from USD 140
Sep
from USD 127
Oct
from USD 155
Nov
from USD 151
Dec
No flights
Jan
from USD 187

Airport Details

Origin

Phoenix

Phoenix Sky Harbor International Airport (PHX)

Phoenix, PHX
Zone

Phoenix

Elev

1135 ft

Destination

Boston

Logan International Airport (BOS)

Boston, BOS
Zone

New York

Elev

20 ft

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