Are direct flights from Philadelphia to Belfast always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, they are not always the most budget-friendly choice. Flights with connections can often be more affordable, especially if you are willing to spend extra time in transit.

Can flexible travel dates help on Philadelphia to Belfast flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying during off-peak seasons or on less popular days of the week, such as Tuesdays or Wednesdays, often results in lower fares. Even shifting your departure or return by a day or two may yield savings.

What extra costs should I check before booking Philadelphia to Belfast flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight meal expenses. Some airlines may also charge for carry-on bags or priority boarding. Understanding these additional fees can help you calculate the true total cost of your trip.

Flights From Philadelphia

To Belfast

Cheap Flights from Philadelphia to Belfast

Browse current best options from Philadelphia. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Philadelphia

RatePunk searches hundreds of travel sites at once for deals on flights to Belfast

Prices updated today

456 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 31, 2026.)

Today’s best flight deals from Philadelphia to Belfast

Explore current cheapest deals departing from Philadelphia to Belfast

2026-10-17 – 2026-11-16
PHL - Belfast
78% AI deal score
$762
$661
Round trip
2026-10-17 – 2026-11-16
PHL - Belfast
78% AI deal score
$765
$661
Round trip
2026-10-17 – 2026-11-10
PHL - Belfast
78% AI deal score
$762
$661
Round trip
2026-10-17 – 2026-11-10
PHL - Belfast
78% AI deal score
$765
$661
Round trip
2026-10-20 – 2026-11-13
PHL - Belfast
76% AI deal score
$764
$696
Round trip
2026-10-05 – 2026-10-21
PHL - Belfast
76% AI deal score
$774
$702
Round trip
2026-10-05 – 2026-10-21
PHL - Belfast
76% AI deal score
$778
$702
Round trip
2026-10-19 – 2026-11-13
PHL - Belfast
75% AI deal score
$765
$727
Round trip
2026-10-19 – 2026-11-13
PHL - Belfast
75% AI deal score
$762
$730
Round trip
2026-10-20 – 2026-11-13
PHL - Belfast
74% AI deal score
$761
$742
Round trip

Philadelphia to Belfast: Overview

Insights for flights from Philadelphia to Belfast

A typical journey from Philadelphia to Belfast takes about 16h 0m, including connections. Given that most itineraries for this route involve at least one stop, this duration accounts for the total travel time from departure to arrival, encompassing any layovers.

For travelers seeking cheap flights from Philadelphia to Belfast, fares typically range from $485–$609, with a median of $510. Right now, current fares are above the typical level for this route. New deals show up several times a week, so setting up a price alert can help you track fluctuations.

When considering the cheapest time to fly from Philadelphia to Belfast, September stands out with a median fare of $409. Following closely, August also offers competitive prices, with a median of $426. April is another favorable month, showing a median fare of $443.

There are no direct flights from Philadelphia to Belfast; most itineraries connect at least once. In fact, when connecting, the typical number of stopovers is 2. This means you should anticipate at least two intermediate stops on your journey.

How much is a round trip from Philadelphia to Belfast

Regular price: $665 - $1,221

Prices for flights from Philadelphia to Belfast are currently within the regular range.

The regular price range for flights from Philadelphia to Belfast is typically between $665 and $1221. The current lowest deal is $674 with Frontier Airlines, for travel from Oct 19-Nov 12.

now $674

Low $665

High $1,221

The cheapest time to fly from Philadelphia to Belfast

The cheapest month to fly from Philadelphia to Belfast is July, with a median price of $358. The most expensive month is May, with a median price of $647. Prices are generally lower from January to August.

July

Cheapest

Flights from $358

May

Most Expensive

Flights from $647

Jan

May

Jun

Jul

Aug

Direct flights from Philadelphia to Belfast

easyJet UK

JetBlue Airways

Frontier Airlines

Aer Lingus

Last-minute flights going from Philadelphia to Belfast

Mon, Oct 12

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

$843

$875

One-way

Sun, Oct 25

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

$884

$13,499

One-way

Mon, Nov 16

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

$834

$1,232

One-way

Fri, Nov 20

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

$808

$13,499

One-way

Tue, Jan 19

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

$797

$13,499

One-way

Biggest price drops on these dates for flights from Philadelphia to Belfast

4 nights

Oct 5 - Oct 9

$880 → $757

14%

4 nights

Oct 5 - Oct 9

$873 → $757

13%

30 nights

Oct 17 - Nov 16

$765 → $661

14%

24 nights

Oct 17 - Nov 10

$765 → $661

14%

Popular Airports to fly from Philadelphia to Belfast

Philadelphia - Belfast route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Philadelphia to Belfast are above the typical level at $674.

📅 Best time to fly

Fly in September for prices around $409

Historically, September is the cheapest month to fly from Philadelphia to Belfast, at $409.

⏱️ Flight duration

Connecting flights average 16h 0m

Flights from Philadelphia to Belfast typically involve connecting, with a median duration of 16h 0m.

✈️ Airlines & availability

Connecting flights are dominant on this route

Direct flights are not common; 0% of recent deals were for direct flights.

🏆 Airline highlight

Frontier Airlines offers a deal for $674

Frontier Airlines has a recent deal from Philadelphia to Belfast for $674.

🎯 Booking tip

Deals appear regularly

Deals from Philadelphia to Belfast appear regularly, offering opportunities to find good prices.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

Philadelphia International is the cheapest option for flights from Philadelphia to Belfast.

📍 ~11 km from Philadelphia city center (reachable by car or train)

💸 Flights from ~$677

Belfast main airports to arrive at

Belfast International (BFS)

Cheapest

Belfast International Airport is a good choice for flights from Philadelphia to Belfast.

📍 ~20 km from Belfast (reachable by car)

💸 Flights from ~$677

Airports nearby Belfast used as alternative

Dublin (DUB)

Cheapest

Dublin Airport offers a significantly larger route network and often more competitive pricing for travelers.

📍 ~140 km from Belfast (reachable by bus and rail, but requires crossing the border).

💸 Flights from ~$351

Business & First Class Flight Deals to Belfast

Discover luxury on the budget with premium cabin class on flights from Philadelphia to Belfast.

Elite

Best Elite deals to Belfast

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From PHL

Elite

Oct 19

Belfast, United Kingdom

88% AI deal score

$6,554

$4,667

Save $1,887

Air Canada, +1

Business Class

From PHL

Elite

Oct 20

Belfast, United Kingdom

88% AI deal score

$6,554

$4,667

Save $1,887

Air Canada, +1

Business Class

From PHL

Elite

Oct 20

Belfast, United Kingdom

88% AI deal score

$6,574

$4,667

Save $1,907

Air Canada, +1

Business Class

From PHL

Elite

Oct 19

Belfast, United Kingdom

87% AI deal score

$6,449

$4,667

Save $1,782

Air Canada, +1

Business Class

From PHL

Elite

Oct 13

Belfast, United Kingdom

82% AI deal score

$6,277

$4,667

Save $1,610

Air Canada, +1

Business Class

From PHL

Elite

Oct 05

Belfast, United Kingdom

82% AI deal score

$6,165

$4,667

Save $1,498

Air Canada, +1

Business Class

From PHL

Elite

Oct 05

Belfast, United Kingdom

82% AI deal score

$6,132

$4,667

Save $1,465

Air Canada, +1

Business Class

From PHL

Elite

Oct 13

Belfast, United Kingdom

82% AI deal score

$6,270

$4,667

Save $1,603

Air Canada, +1

Business Class

From PHL

Elite

Sep 13

Belfast, United Kingdom

67% AI deal score

$11,464

Lufthansa, +1

Business Class

Frequently Asked Questions About Flights to Belfast

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also help you discover better deals. Looking into flights with layovers may sometimes present lower-cost options.

Booking flights in advance often provides more competitive prices, though last-minute deals can occasionally appear. Prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings sometimes offer better rates than weekend purchases.

Comparing nearby airports at both your origin and destination can sometimes uncover more economical flight options. While it may add to your ground travel, the potential savings on airfare can be significant. Always factor in the additional transportation time and cost when considering this approach.

Related routes

More routes from Philadelphia

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Flights to Belfast from other cities

Flights from Alicante to Belfast Flights from Amsterdam to Belfast Flights from Barcelona to Belfast Flights from Birmingham to Belfast Flights from Bristol to Belfast Flights from Edinburgh to Belfast Flights from Glasgow to Belfast Flights from Rome to Belfast Flights from Savannah to Belfast Flights from Singapore to Belfast Flights from Southampton to Belfast Flights from St. Louis to Belfast

Philadelphia to Belfast: Overview

Insights for flights from Philadelphia to Belfast

How much is a round trip from Philadelphia to Belfast

Regular price: $665 - $1,221

Prices for flights from Philadelphia to Belfast are currently within the regular range.

The regular price range for flights from Philadelphia to Belfast is typically between $665 and $1221. The current lowest deal is $674 with Frontier Airlines, for travel from Oct 19-Nov 12.

now $674

Low $665

High $1,221

The cheapest time to fly from Philadelphia to Belfast

July

Cheapest

Flights from $358

May

Most Expensive

Flights from $647

Jan

May

Jun

Jul

Aug

Direct flights from Philadelphia to Belfast

easyJet UK

JetBlue Airways

Frontier Airlines

Aer Lingus

Last-minute flights going from Philadelphia to Belfast

Mon, Oct 12

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

$843

$875

One-way

Sun, Oct 25

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

$884

$13,499

One-way

Mon, Nov 16

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

$834

$1,232

One-way

Fri, Nov 20

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

$808

$13,499

One-way

Tue, Jan 19

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

$797

$13,499

One-way

Biggest price drops on these dates for flights from Philadelphia to Belfast

4 nights

Oct 5 - Oct 9

$880 → $757

14%

4 nights

Oct 5 - Oct 9

$873 → $757

13%

30 nights

Oct 17 - Nov 16

$765 → $661

14%

24 nights

Oct 17 - Nov 10

$765 → $661

14%

Popular Airports to fly from Philadelphia to Belfast

Philadelphia - Belfast route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Philadelphia to Belfast are above the typical level at $674.

📅 Best time to fly

Fly in September for prices around $409

Historically, September is the cheapest month to fly from Philadelphia to Belfast, at $409.

⏱️ Flight duration

Connecting flights average 16h 0m

Flights from Philadelphia to Belfast typically involve connecting, with a median duration of 16h 0m.

✈️ Airlines & availability

Connecting flights are dominant on this route

Direct flights are not common; 0% of recent deals were for direct flights.

🏆 Airline highlight

Frontier Airlines offers a deal for $674

Frontier Airlines has a recent deal from Philadelphia to Belfast for $674.

🎯 Booking tip

Deals appear regularly

Deals from Philadelphia to Belfast appear regularly, offering opportunities to find good prices.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

Philadelphia International is the cheapest option for flights from Philadelphia to Belfast.

📍 ~11 km from Philadelphia city center (reachable by car or train)

💸 Flights from ~$677

Belfast main airports to arrive at

Belfast International (BFS)

Cheapest

Belfast International Airport is a good choice for flights from Philadelphia to Belfast.

📍 ~20 km from Belfast (reachable by car)

💸 Flights from ~$677

Airports nearby Belfast used as alternative

Dublin (DUB)

Cheapest

Dublin Airport offers a significantly larger route network and often more competitive pricing for travelers.

Belfast, United Kingdom

67% AI deal score

$11,464

Lufthansa, +1

Business Class

Frequently Asked Questions About Flights to Belfast

Cheap Flights from Philadelphia to Belfast

Today’s best flight deals from Philadelphia to Belfast

Philadelphia to Belfast: Overview

Insights for flights from Philadelphia to Belfast

How much is a round trip from Philadelphia to Belfast

The cheapest time to fly from Philadelphia to Belfast

Direct flights from Philadelphia to Belfast

Last-minute flights going from Philadelphia to Belfast

Biggest price drops on these dates for flights from Philadelphia to Belfast

Popular Airports to fly from Philadelphia to Belfast

Philadelphia - Belfast route insights

Recent fares are above the typical level

Fly in September for prices around $409

Connecting flights average 16h 0m

Connecting flights are dominant on this route

Frontier Airlines offers a deal for $674

Deals appear regularly

Philadelphia main airports to depart from

Belfast main airports to arrive at

Airports nearby Belfast used as alternative

Business & First Class Flight Deals to Belfast

Best Elite deals to Belfast

Oct 19

Oct 20

Oct 20

Oct 19

Oct 13

Oct 05

Oct 05

Oct 13

Sep 13

Frequently Asked Questions About Flights to Belfast

How can I find cheap flights from Philadelphia to Belfast?

When should I book flights from Philadelphia to Belfast?

Should I compare nearby airports for flights from Philadelphia to Belfast?

Are direct flights from Philadelphia to Belfast always the best option?

Can flexible travel dates help on Philadelphia to Belfast flights?

What extra costs should I check before booking Philadelphia to Belfast flights?

Related routes

More routes from Philadelphia

Flights to Belfast from other cities

Philadelphia to Belfast: Overview

Insights for flights from Philadelphia to Belfast

How much is a round trip from Philadelphia to Belfast

The cheapest time to fly from Philadelphia to Belfast

Direct flights from Philadelphia to Belfast

Last-minute flights going from Philadelphia to Belfast

Biggest price drops on these dates for flights from Philadelphia to Belfast

Popular Airports to fly from Philadelphia to Belfast

Philadelphia - Belfast route insights

Recent fares are above the typical level

Fly in September for prices around $409

Connecting flights average 16h 0m

Connecting flights are dominant on this route

Frontier Airlines offers a deal for $674

Deals appear regularly

Philadelphia main airports to depart from

Belfast main airports to arrive at

Airports nearby Belfast used as alternative

Business & First Class Flight Deals to Belfast

Best Elite deals to Belfast

Oct 19

Oct 20

Oct 20

Oct 19

Oct 13

Oct 05

Oct 05

Oct 13

Sep 13

Frequently Asked Questions About Flights to Belfast

How can I find cheap flights from Philadelphia to Belfast?

When should I book flights from Philadelphia to Belfast?

Should I compare nearby airports for flights from Philadelphia to Belfast?

Are direct flights from Philadelphia to Belfast always the best option?

Can flexible travel dates help on Philadelphia to Belfast flights?

What extra costs should I check before booking Philadelphia to Belfast flights?

Related routes

More routes from Philadelphia

Flights to Belfast from other cities