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Belfast Intl

$963+ Cheap flights from Sky Harbor Intl (PHX) to Belfast Intl (BFS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BFS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Sky Harbor Intl to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Belfast Intl (BFS). 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 15, 2025.

Round-trip from

$963
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$912
From Phoenix Sky Harbor Intl to Belfast Intl
Search Deals
Highest demand for flights based on searches. 33% potential increase in price ($457 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Sky Harbor Intl to Belfast Intl

Cheapest flights from Sky Harbor Intl to Belfast Intl
Explore the most affordable flight options available from Sky Harbor Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Trip.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/11:10 pmPHX - BFS
2 stops26h 00mMultiple Airlines
Fri 10/316:00 amBFS - PHX
2 stops22h 47mMultiple Airlines
Deal found 9/13$963
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:50 pmPHX - BFS
1 stop14h 50mMultiple Airlines
Thu 11/68:05 pmBFS - PHX
2 stops47h 32mMultiple Airlines
Deal found 9/15$1,753

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to Belfast Intl 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 15, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Belfast Intl Airport that are best for you.

Fly from

Sky Harbor Intl

Fly to

Belfast Intl

Route

Depart

Return

Price

PhoenixBelfast

PHX - BFS

PHXBFS

Phoenix Sky Harbor Intl

Wed 10/1

1:10 pm-11:10 pm

2 stops26h 00m

Belfast Intl

Fri 10/31

6:00 am-9:47 pm

2 stops22h 47m

$963

PhoenixBelfast

PHX - BFS

PHXBFS

Phoenix Sky Harbor Intl

Thu 10/30

3:50 pm-1:40 pm

1 stop14h 50m

Belfast Intl

Thu 11/6

8:05 pm-12:37 pm

2 stops47h 32m

$1,753

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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 Belfast Intl Airport

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

Find hourly flight availability from Sky Harbor Intl to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Phoenix Sky Harbor Intl Airport to Belfast Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 28% versus a flight in the morning.

How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport to Belfast Intl Airport?

Reviews of airlines servicing Belfast Intl

Get insights into the airlines that provide service to Belfast Intl. 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 Belfast Intl. Reviews last updated September 15, 2025.
Get a feel of what it's like to fly with British Airways from Phoenix Sky Harbor Intl Airport to Belfast Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,361 reviews

Food

6.3

Overall

6.7

Comfort

6.7

Crew

7.6

Boarding

6.9

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,361 reviews
British Airways
6.7
Okay
7,361 reviews

Food

6.3

Overall

6.7

Comfort

6.7

Crew

7.6

Boarding

6.9

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

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

  • What is the cheapest airline to fly from Phoenix Sky Harbor Intl Airport to Belfast Intl Airport round-trip?

    Currently priced at $714, British Airways will fly you from Phoenix Sky Harbor Intl Airport to Belfast Intl Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. British Airways is priced at 20% lower than the current average price of a flight leaving 3 months from now.

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

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

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

    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 Belfast Intl.

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

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Belfast Intl 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 Belfast Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Belfast Intl Airport (average of $657). Flying from Phoenix Sky Harbor Intl Airport to Belfast Intl Airport in June is currently the most expensive (average of $1,189). 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.

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Alternative routes for Sky Harbor Intl to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Belfast City flights

Top airline flying from Sky Harbor Intl to Belfast Intl

Discover the top airline that operate flights from Sky Harbor Intl to Belfast Intl. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$714Average$966FlexibilityNo cancel feeOn-time70%

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