BOS

$140 Find Cheap Flights from Arizona to Boston - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Boston departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Arizona to Boston

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Arizona to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Arizona to Boston

Tue, Aug 18 - Tue, Sep 8
Frontier Logo
11:50 pm - 11:47 am
LAS
-
BOS
8h 57m
1 stop
Frontier Logo
12:45 pm - 9:00 pm
BOS
-
LAS
11h 15m
1 stop
$253Frontier
Fri, Aug 28 - Mon, Aug 31
Frontier Logo
11:59 am - 9:09 am
LAS
-
BOS
18h 10m
1 stop
Frontier Logo
9:36 am - 9:00 pm
BOS
-
LAS
14h 24m
1 stop
$254Frontier
Sun, Aug 30 - Tue, Sep 1
Frontier Logo
11:41 pm - 11:47 am
LAS
-
BOS
9h 06m
1 stop
Frontier Logo
12:45 pm - 9:00 pm
BOS
-
LAS
11h 15m
1 stop
$265Frontier
Tue, Oct 13 - Sat, Oct 17
Multiple Airlines Logo
10:12 pm - 10:09 am
LAS
-
BOS
8h 57m
1 stop
Multiple Airlines Logo
6:40 pm - 12:41 am
BOS
-
LAS
9h 01m
1 stop
$282Multiple Airlines
Tue, Oct 13 - Sat, Oct 17
Multiple Airlines Logo
10:12 pm - 10:09 am
LAS
-
BOS
8h 57m
1 stop
Multiple Airlines Logo
6:40 pm - 12:41 am
BOS
-
LAS
9h 01m
1 stop
$287Multiple Airlines
Fri, Aug 14 - Tue, Aug 25
Alaska Airlines Logo
7:11 am - 5:40 am
PHX
-
BOS
19h 29m
1 stop
Alaska Airlines Logo
8:00 am - 2:33 pm
BOS
-
PHX
9h 33m
1 stop
$319Alaska Airlines
Thu, Oct 22 - Mon, Nov 2
Southwest Logo
5:00 am - 4:05 pm
PHX
-
BOS
8h 05m
1 stop
Southwest Logo
5:20 am - 1:35 pm
BOS
-
PHX
10h 15m
2 stops
$322Southwest
Tue, Nov 3 - Mon, Nov 9
JetBlue Logo
12:00 pm - 12:19 am
PHX
-
BOS
10h 19m
1 stop
JetBlue Logo
7:05 am - 1:17 pm
BOS
-
PHX
8h 12m
1 stop
$323JetBlue
Sat, Sep 19 - Thu, Sep 24
Alaska Airlines Logo
11:02 am - 6:09 am
PHX
-
BOS
16h 07m
1 stop
Alaska Airlines Logo
6:17 pm - 11:31 am
BOS
-
PHX
20h 14m
1 stop
$324Alaska Airlines
Thu, Sep 10 - Wed, Sep 16
Southwest Logo
4:00 pm - 9:00 am
PHX
-
BOS
14h 00m
2 stops
Southwest Logo
7:30 am - 1:00 pm
BOS
-
PHX
8h 30m
2 stops
$327Southwest
Useful Info

Good to know

Low season

January

Cheapest flight

$140
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Las Vegas to Boston

Flights from Arizona to Boston: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Arizona to Boston 
Learn how KAYAK collects reviews and tips from users.
MitchellFlew with Delta
PHX
-
BOS
Jan 2026
If you need to make a change due to weather, book early
JonathanFlew with Delta
PHX
-
BOS
Jan 2025
Delta is great! Make sure to get to their airport early though. PHX security is a zoo.

FAQs for booking flights from Arizona to Boston

  • How does KAYAK find such low prices on flights from Arizona to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Arizona to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Arizona to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Arizona is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Arizona to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Arizona with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Arizona to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston

Boston (BOS)