How many flights depart from Ontario to Phoenix on average per day?

As of August 2026, 3 flights take off from Ontario and land in Phoenix each day. The most common flight departure time for this route is 12:00PM, with 65% of daily flights taking off in the afternoon.

What airlines fly to Phoenix?

Frontier, Southwest and American Airlines are the top three most popular airlines that fly to Phoenix from Ontario according to our data. Frontier is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Phoenix. Keep in mind that there are 8 different airlines that fly to Phoenix on a routine basis, so you have a few additional options to choose from.

How many flights depart from Ontario to Phoenix on average per week?

The number of flights available between Ontario and Phoenix is 27 per week as of August 2026. The most frequent departure day is Wed, with 30% of weekly flights leaving on this day.

What is the cheapest airline that flies from Ontario to Phoenix?

Southwest and United Airlines are the most popular carriers operating from Ontario to Phoenix

When did momondo last update prices for flights from Ontario Airport to Phoenix?

Prices for flights from Ontario Airport to Phoenix are updated daily.

How many operators does momondo search for flights from Ontario Airport to Phoenix?

As of August 2026, there are 4 operators available to choose from for flights from Ontario Airport to Phoenix.

How old do you have to be to fly from Ontario Airport to Phoenix?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Phoenix.

What documentation or ID do you need to fly to Phoenix?

The travel and health documents you'll need for your trip to Phoenix may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Phoenix. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$58 Cheap Flights from Ontario to Phoenix in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Phoenix

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:57 pm - 4:50 pmONT Ontario-PHX Phoenix Sky Harbor Intl

3h 53m1 stop Las Vegas Harry Reid Intl

6:55 pm - 11:55 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

5h 00m1 stop Denver Intl

$113Frontier

Sat, Oct 31 - Sat, Oct 31

10:04 am - 3:29 pmONT Ontario-PHX Phoenix Sky Harbor Intl

5h 25m1 stop Las Vegas Harry Reid Intl

6:26 pm - 11:50 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

5h 24m1 stop Denver Intl

$113Frontier

Wed, Oct 14 - Wed, Oct 14

12:57 pm - 5:50 pmONT Ontario-PHX Phoenix Sky Harbor Intl

3h 53m1 stop Las Vegas Harry Reid Intl

7:55 pm - 11:55 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

5h 00m1 stop Denver Intl

$113Frontier

Sat, Nov 7 - Sat, Nov 7

4:29 pm - 5:52 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 23mnonstop

5:24 pm - 6:43 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 19mnonstop

$117American Airlines

Tue, Oct 27 - Sat, Oct 31

4:25 pm - 6:50 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

8:15 am - 8:40 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 25mnonstop

$117American Airlines

Thu, Dec 10 - Thu, Dec 24

5:30 am - 6:45 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 15mnonstop

7:45 am - 9:00 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 15mnonstop

$117Southwest

Sat, Oct 10 - Sat, Oct 10

5:35 am - 7:50 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 15mnonstop

4:05 pm - 4:20 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 15mnonstop

$117Southwest

Sat, Nov 7 - Sat, Nov 7

1:23 pm - 3:48 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

3:56 pm - 4:19 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 23mnonstop

$117American Airlines

Wed, Nov 4 - Sat, Nov 7

6:53 pm - 12:55 amONT Ontario-PHX Phoenix Sky Harbor Intl

5h 02m1 stop San Francisco

11:21 am - 5:47 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

7h 26m1 stop San Francisco

$171United Airlines

Fri, Dec 11 - Mon, Dec 14

5:00 am - 11:36 amONT Ontario-PHX Phoenix Sky Harbor Intl

5h 36m1 stop Denver Intl

4:31 pm - 11:06 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

7h 35m1 stop San Francisco

$241United Airlines

Sat, Feb 6 - Sat, Feb 6

Cheap last minute flights

Enter your travel dates to find the best prices.

9:37 am - 11:00 pmONT Ontario-PHX Phoenix Sky Harbor Intl

13h 23m1 stop Dallas/Fort Worth

3:21 pm - 11:47 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

8h 26m1 stop Denver Intl

$213Frontier

Sat, Aug 22 - Sat, Sep 12

9:37 am - 11:00 pmONT Ontario-PHX Phoenix Sky Harbor Intl

13h 23m1 stop Dallas/Fort Worth

3:21 pm - 11:47 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

8h 26m1 stop Denver Intl

$213Frontier

Sat, Aug 22 - Tue, Sep 15

6:00 am - 3:43 pmONT Ontario-PHX Phoenix Sky Harbor Intl

9h 43m1 stop Denver Intl

6:30 am - 6:39 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

12h 09m1 stop Dallas/Fort Worth

$223Frontier

Tue, Aug 25 - Thu, Sep 24

8:35 am - 9:55 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 20mnonstop

8:55 pm - 10:05 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 10mnonstop

$282Southwest

Tue, Aug 25 - Thu, Sep 24

1:10 pm - 2:35 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

5:40 am - 9:55 amPHX Phoenix Sky Harbor Intl-ONT Ontario

4h 15m1 stop Las Vegas Harry Reid Intl

$292Southwest

Tue, Aug 25 - Thu, Sep 24

6:40 am - 8:05 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

4:10 pm - 5:25 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 15mnonstop

$394Southwest

Tue, Aug 25 - Sat, Sep 5

12:59 pm - 2:25 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 26mnonstop

10:45 am - 12:03 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 18mnonstop

$447American Airlines

Sat, Aug 22 - Sat, Aug 29

6:15 am - 7:38 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 23mnonstop

10:45 am - 12:03 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 18mnonstop

$447American Airlines

Tue, Aug 25 - Wed, Aug 26

5:00 am - 10:37 amONT Ontario-PHX Phoenix Sky Harbor Intl

5h 37m1 stop Denver Intl

1:12 pm - 6:11 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

4h 59m1 stop San Francisco

$563United Airlines

Mon, Aug 24 - Mon, Aug 24

5:00 am - 12:28 pmONT Ontario-PHX Phoenix Sky Harbor Intl

7h 28m1 stop Denver Intl

3:19 pm - 8:53 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

5h 34m1 stop Denver Intl

$563United Airlines

Sun, Aug 23 - Sun, Aug 23

Cheap direct flights

Enter your travel dates to find the best prices.

4:25 pm - 6:50 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

8:15 am - 8:40 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 25mnonstop

$117American Airlines

Thu, Dec 10 - Thu, Dec 24

4:29 pm - 5:52 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 23mnonstop

5:24 pm - 6:43 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 19mnonstop

$117American Airlines

Tue, Oct 27 - Sat, Oct 31

5:30 am - 6:45 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 15mnonstop

7:45 am - 9:00 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 15mnonstop

$117Southwest

Sat, Oct 10 - Sat, Oct 10

5:35 am - 7:50 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 15mnonstop

4:05 pm - 4:20 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 15mnonstop

$117Southwest

Sat, Nov 7 - Sat, Nov 7

1:23 pm - 3:48 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

3:56 pm - 4:19 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 23mnonstop

$117American Airlines

Wed, Nov 4 - Sat, Nov 7

9:29 am - 11:54 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

3:56 pm - 4:19 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 23mnonstop

$117American Airlines

Thu, Nov 12 - Mon, Nov 16

1:04 pm - 2:25 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 21mnonstop

9:26 pm - 10:43 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 17mnonstop

$117American Airlines

Wed, Sep 30 - Thu, Oct 1

4:29 pm - 5:52 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 23mnonstop

5:24 pm - 6:43 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 19mnonstop

$117American Airlines

Wed, Oct 7 - Sat, Oct 10

4:29 pm - 5:52 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 23mnonstop

7:45 am - 9:10 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 25mnonstop

$117American Airlines

Sat, Oct 10 - Sat, Oct 17

6:27 am - 8:47 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 20mnonstop

9:45 pm - 10:01 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 16mnonstop

$117American Airlines

Sat, Feb 6 - Sat, Feb 6

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Frontier flights from Ontario to Phoenix

Our best Frontier deals on Ontario to Phoenix flight tickets

Frontier

Oct 14

ONT10:04 amOntario

5h 25m

1 stop

PHX3:29 pmPhoenix Sky Harbor Intl

Oct 14

PHX6:26 pmPhoenix Sky Harbor Intl

5h 24m

1 stop

ONT11:50 pmOntario

$113

Frontier

Oct 8

ONT1:38 pmOntario

9h 40m

1 stop

PHX11:18 pmPhoenix Sky Harbor Intl

Oct 14

PHX6:26 pmPhoenix Sky Harbor Intl

5h 24m

1 stop

ONT11:50 pmOntario

$118

Frontier

Sep 10

ONT11:45 amOntario

11h 58m

1 stop

PHX11:43 pmPhoenix Sky Harbor Intl

Sep 14

PHX6:30 amPhoenix Sky Harbor Intl

12h 56m

1 stop

ONT7:26 pmOntario

$119

Southwest flights from Ontario to Phoenix

Our best Southwest deals on Ontario to Phoenix flight tickets

Southwest

Oct 10

ONT5:30 amOntario

1h 15m

PHX6:45 amPhoenix Sky Harbor Intl

Oct 13

PHX2:15 pmPhoenix Sky Harbor Intl

1h 20m

ONT3:35 pmOntario

$117

Southwest

Oct 10

ONT4:40 pmOntario

1h 20m

PHX6:00 pmPhoenix Sky Harbor Intl

Oct 13

PHX11:05 amPhoenix Sky Harbor Intl

4h 35m

1 stop

ONT3:40 pmOntario

$127

Southwest

Sep 11

ONT5:15 amOntario

1h 15m

PHX6:30 amPhoenix Sky Harbor Intl

Sep 16

PHX9:00 amPhoenix Sky Harbor Intl

1h 25m

ONT10:25 amOntario

$134

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Sat 10/31

12:57 pm-4:50 pm

1 stop3h 53m

Phoenix Sky Harbor Intl

Sat 10/31

6:55 pm-11:55 pm

1 stop5h 00m

$113

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Wed 10/14

10:04 am-3:29 pm

1 stop5h 25m

Phoenix Sky Harbor Intl

Wed 10/14

6:26 pm-11:50 pm

1 stop5h 24m

$113

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Sat 11/7

12:57 pm-5:50 pm

1 stop3h 53m

Phoenix Sky Harbor Intl

Sat 11/7

7:55 pm-11:55 pm

1 stop5h 00m

$113

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Tue 10/27

4:29 pm-5:52 pm

Nonstop1h 23m

Phoenix Sky Harbor Intl

Sat 10/31

5:24 pm-6:43 pm

Nonstop1h 19m

$117

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Thu 12/10

4:25 pm-6:50 pm

Nonstop1h 25m

Phoenix Sky Harbor Intl

Thu 12/24

8:15 am-8:40 am

Nonstop1h 25m

$117

Quickest round-trip

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Sat 10/10

5:30 am-6:45 am

Nonstop1h 15m

Phoenix Sky Harbor Intl

Sat 10/10

7:45 am-9:00 am

Nonstop1h 15m

$117

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Sat 11/7

5:35 am-7:50 am

Nonstop1h 15m

Phoenix Sky Harbor Intl

Sat 11/7

4:05 pm-4:20 pm

Nonstop1h 15m

$117

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Wed 11/4

1:23 pm-3:48 pm

Nonstop1h 25m

Phoenix Sky Harbor Intl

Sat 11/7

3:56 pm-4:19 pm

Nonstop1h 23m

$117

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Fri 12/11

6:53 pm-12:55 am

1 stop5h 02m

Phoenix Sky Harbor Intl

Mon 12/14

11:21 am-5:47 pm

1 stop7h 26m

$171

OntarioPhoenix

ONT Ontario - PHX Phoenix Sky Harbor Intl

ONTPHX

Ontario

Sat 2/6

5:00 am-11:36 am

1 stop5h 36m

Phoenix Sky Harbor Intl

Sat 2/6

4:31 pm-11:06 pm

1 stop7h 35m

$241

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Phoenix

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Ontario and Phoenix?

Prices are currently low for flights on this route.

Typical prices usually range from $165 to $341.
The lowest price recently found on this route was $113.

What is the cheapest month to fly to Phoenix?

If you are unable to visit Phoenix during the month of September, then departing from Ontario during the month October is also very affordable. Most momondo users find prices during this month for around $225.

What is the cheapest day to depart on your flight to Phoenix?

On average, the least expensive day to fly to Phoenix from Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $250. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $329.

What is the cheapest time of day to depart on your flight to Phoenix?

The cheapest time of day to fly to Phoenix is at noon when flights can be purchased for as low as $206. In the morning is when there is more demand to fly to Phoenix, so prices are often more expensive at around $300 per ticket.

What is the cheapest Ontario to Phoenix flight route?

Fly from Ontario to Phoenix Sky Harbor Intl for the best Ontario - Phoenix flight prices

How far in advance should I book a flight from Ontario to Phoenix?

You are more likely to see cheaper flights to Phoenix from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix for around $289 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from Ontario for as low as $201 on momondo.

What cabin class options are available on Ontario to Phoenix flights?

There are 4 cabin classes available to choose from on Ontario to Phoenix flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Ontario to Phoenix flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Phoenix

Best Price Found	$58
Fastest flight time	1h 15m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Phoenix	3 airports

The best one-way flight to Phoenix from Ontario in the past 72 hours is $58. The best round-trip flight deal from Ontario to Phoenix found on momondo in the last 72 hours is $113.

The fastest flight from Ontario to Phoenix takes 1h 15m

Direct flights go from Ontario to Phoenix on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There are 3 airports in Phoenix. From Ontario there are direct flights to Phoenix Sky Harbor Intl (PHX).

Search flight deals

Frequently asked questions about flying from Ontario to Phoenix

How far is Ontario to Phoenix by plane?
The straight-line distance from Ontario to Phoenix is 322.9 mi. By plane, this route typically takes 1h 15m.
When did momondo last update prices for flights from Ontario Airport to Phoenix?
Prices for flights from Ontario Airport to Phoenix are updated daily.
How many operators does momondo search for flights from Ontario Airport to Phoenix?
As of August 2026, there are 4 operators available to choose from for flights from Ontario Airport to Phoenix.
How old do you have to be to fly from Ontario Airport to Phoenix?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Phoenix.
What documentation or ID do you need to fly to Phoenix?
The travel and health documents you'll need for your trip to Phoenix may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Phoenix. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ontario to Phoenix

Compare and see reviews for airlines that fly from Ontario to Phoenix with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $59	Free Cancellation	Rating 5.6 2,659 reviews	Search Frontier flights
Southwest	PriceFrom $115	Free Cancellation	Rating 8.0 4,215 reviews	Search Southwest flights
American Airlines	PriceFrom $127	Free Cancellation	Rating 7.1 11,980 reviews	Search American Airlines flights
JetBlue	PriceFrom $228	Free Cancellation	Rating 7.1 3,040 reviews	Search JetBlue flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Phoenix?

It is quick and easy to find Ontario to Phoenix flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phoenix that suits you.

Can I find flights from Ontario to Phoenix with flexible booking policies on momondo?

Flights from Ontario to Phoenix with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Phoenix?

Once all potential Ontario to Phoenix flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Phoenix right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Phoenix flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Ontario to Phoenix from $58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Phoenix departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Ontario to Phoenix

Our best Frontier deals on Ontario to Phoenix flight tickets

Southwest flights from Ontario to Phoenix

Our best Southwest deals on Ontario to Phoenix flight tickets

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How to get the cheapest flight ticket from Ontario to Phoenix

What is the typical price of a round-trip flight between Ontario and Phoenix?

What is the cheapest month to fly to Phoenix?

What is the cheapest day to depart on your flight to Phoenix?

What is the cheapest time of day to depart on your flight to Phoenix?

What is the cheapest Ontario to Phoenix flight route?

How far in advance should I book a flight from Ontario to Phoenix?

What cabin class options are available on Ontario to Phoenix flights?

What is the cheapest airline that flies from Ontario to Phoenix?

What airlines fly to Phoenix?

How many flights depart from Ontario to Phoenix on average per day?

How many flights depart from Ontario to Phoenix on average per week?

Cheap Ontario to Phoenix flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Phoenix

Frequently asked questions about flying from Ontario to Phoenix

Best airlines flying from Ontario to Phoenix

Compare and see reviews for airlines that fly from Ontario to Phoenix with momondo

Why use momondo?

An easier way to manage your Phoenix trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Phoenix

Airports listed have a maximum distance of 25.4 mi from Phoenix

Fly your favorite airline to Phoenix

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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