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$451+ Cheap flights from Sky Harbor Intl (PHX) to Singapore (SIN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SIN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Singapore Changi are usually found in February or August, booked 48 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Sky Harbor Intl to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$790
(United Airlines)

One-way from

$451
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$970
From Phoenix Sky Harbor Intl to Singapore Changi
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One-way flight from Phoenix Sky Harbor Intl to Singapore Changi
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Highest demand for flights based on searches. 13% potential increase in price ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Sky Harbor Intl to Singapore

Cheapest flights from Sky Harbor Intl to Singapore
Explore the most affordable flight options available from Sky Harbor Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:10 amPHX - SIN
1 stop20h 15mUnited Airlines
Tue 10/78:45 amSIN - PHX
1 stop19h 29mUnited Airlines
Deal found 9/15$790
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:25 amPHX - SIN
1 stop34h 35mUnited Airlines
Sat 12/2710:10 amSIN - PHX
1 stop18h 54mUnited Airlines
Deal found 9/15$796
This Fareboom deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:00 amPHX - SIN
2 stops25h 50mMultiple Airlines
Thu 12/1110:45 amSIN - PHX
2 stops23h 55mMultiple Airlines
Deal found 9/17$799
This Trip.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:16 pmPHX - SIN
2 stops28h 44mMultiple Airlines
Wed 11/1212:40 amSIN - PHX
2 stops29h 38mMultiple Airlines
Deal found 9/17$800
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:30 amPHX - SIN
2 stops27h 10mDelta
Mon 9/221:10 amSIN - PHX
2 stops36h 21mDelta
Deal found 9/15$804
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:15 amPHX - SIN
2 stops30h 45mKorean Air
Thu 12/1110:40 amSIN - PHX
2 stops24h 39mKorean Air
Deal found 9/16$810
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/184:40 pmPHX - SIN
2 stops45h 20mKorean Air
Sat 10/251:10 amSIN - PHX
2 stops28h 32mKorean Air
Deal found 9/15$815
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:10 amPHX - SIN
1 stop20h 15mUnited Airlines
Tue 10/148:45 amSIN - PHX
1 stop19h 29mUnited Airlines
Deal found 9/15$875
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:34 amPHX - SIN
2 stops22h 46mAmerican Airlines
Mon 9/291:55 amSIN - PHX
2 stops24h 28mAmerican Airlines
Deal found 9/16$876
This Air Canada deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:30 pmPHX - SIN
1 stop21h 30mAir Canada
Fri 11/288:50 amSIN - PHX
1 stop23h 47mAir Canada
Deal found 9/17$930
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:10 amPHX - SIN
1 stop20h 15mUnited Airlines
Sat 10/258:45 amSIN - PHX
1 stop24h 59mUnited Airlines
Deal found 9/17$937

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Singapore that are best for you.

Fly from

Sky Harbor Intl

Fly to

Singapore

Route

Depart

Return

Price

PhoenixSingapore

PHX - SIN

PHXSIN

Phoenix Sky Harbor Intl

Thu 3/5

7:20 am-8:15 pm

1 stop21h 55m

Singapore Changi

Mon 3/9

10:20 pm-8:56 am

1 stop25h 36m

$790

PhoenixSingapore

PHX - SIN

PHXSIN

Phoenix Sky Harbor Intl

Thu 11/6

6:25 am-8:15 pm

1 stop22h 50m

Singapore Changi

Mon 11/17

10:10 am-2:06 pm

1 stop18h 56m

$790

PhoenixSingapore

PHX - SIN

PHXSIN

Phoenix Sky Harbor Intl

Wed 11/26

8:05 am-8:15 pm

1 stop21h 10m

Singapore Changi

Thu 12/11

10:20 pm-11:18 am

1 stop27h 58m

$790

PhoenixSingapore

PHX - SIN

PHXSIN

Phoenix Sky Harbor Intl

Tue 9/30

7:10 am-6:25 pm

1 stop20h 15m

Singapore Changi

Tue 10/7

8:40 pm-8:59 am

1 stop27h 19m

$790

PhoenixSingapore

PHX - SIN

PHXSIN

Phoenix Sky Harbor Intl

Wed 10/1

7:10 am-6:25 pm

1 stop20h 15m

Singapore Changi

Tue 10/7

8:45 am-1:14 pm

1 stop19h 29m

$790

PhoenixSingapore

PHX - SIN

PHXSIN

Phoenix Sky Harbor Intl

Tue 10/14

6:00 am-6:25 pm

2 stops21h 25m

Singapore Changi

Tue 10/21

8:45 am-6:44 pm

1 stop24h 59m

$794

PhoenixSingapore

PHX - SIN

PHXSIN

Phoenix Sky Harbor Intl

Wed 2/18

11:33 am-8:00 am

2 stops29h 27m

Singapore Changi

Wed 3/11

10:10 am-8:14 pm

2 stops25h 04m

$794

PhoenixSingapore

PHX - SIN

PHXSIN

Phoenix Sky Harbor Intl

Fri 10/17

7:10 am-6:25 pm

1 stop20h 15m

Singapore Changi

Sun 10/26

10:20 pm-12:36 pm

2 stops29h 16m

$794

PhoenixSingapore

PHX - SIN

PHXSIN

Phoenix Sky Harbor Intl

Thu 2/19

6:30 am-8:15 pm

1 stop22h 45m

Singapore Changi

Sun 3/1

10:20 pm-3:42 pm

2 stops32h 22m

$794

PhoenixSingapore

PHX - SIN

PHXSIN

Phoenix Sky Harbor Intl

Tue 9/30

7:10 am-6:25 pm

1 stop20h 15m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 11 results
1
2

Best time to book a flight from Sky Harbor Intl to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Sky Harbor Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Singapore

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Singapore. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Singapore, you should look to book at least 48 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Singapore?

Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Singapore (average of $994). Flying from Phoenix Sky Harbor Intl Airport to Singapore in December is currently the most expensive (average of $1,665). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to SIN?

Find hourly flight availability from Sky Harbor Intl to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport to Singapore is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 33% on airfare.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Singapore?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Singapore. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Singapore flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with Korean Air, Singapore Airlines, and Cathay Pacific from Phoenix Sky Harbor Intl Airport to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,140 reviews
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very good
1,367 reviews
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.6
Good
998 reviews
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
8,926 reviews
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,140 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Entertainment

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Singapore from Phoenix Sky Harbor Intl?

    Located just 10.5 mi from the city center, Singapore Changi is the airport most travelers will use when flying to Singapore from Phoenix Sky Harbor Intl. Booking flights from Phoenix Sky Harbor Intl to Changi (SIN) should be relatively easy as there are 0 daily inbound flights from Phoenix Sky Harbor Intl from 7 different airlines.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Singapore?

    For as low as $790, United Airlines can have you in Singapore from Phoenix Sky Harbor Intl Airport in 21h 55m. Airlines will cover a distance of 9076 mi.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Singapore round-trip?

    According to our current data, Korean Air ($777), United Airlines ($789), and Air Canada ($875) offers the cheapest pricing from Phoenix Sky Harbor Intl Airport to Singapore. Korean Air is currently priced 27% below the average price you’ll pay for this route.

  • Can I find deals for flights from Sky Harbor Intl to Singapore that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Singapore.

  • Can I find deals for business class flights from Sky Harbor Intl to Singapore?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Singapore?

    Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Singapore (average of $994). Flying from Phoenix Sky Harbor Intl Airport to Singapore in December is currently the most expensive (average of $1,665). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 7 airlines flying from Sky Harbor Intl to Singapore

Discover the top 7 airlines that operate flights from Sky Harbor Intl to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$777Average$834FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$789Average$1,037FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$875Average$1,143FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$881Average$914FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$883Average$970FlexibilityNo cancel feeOn-time79%
Singapore AirlinesCheapest$1,002Average$1,429FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$1,025Average$1,335FlexibilityNo cancel feeOn-time72%

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