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

Direct flights often offer convenience and save travel time, but they are not always the cheapest option. Flights with layovers can sometimes be more affordable, especially for longer distances. Consider your budget and time constraints when making your choice.

Can flexible travel dates help on Philadelphia to Belfast flights?

Yes, being flexible with your travel dates can significantly impact the price of your flight. Flying during off-peak seasons or on less popular days of the week often results in lower fares. Even shifting your departure or return by a few days can make a difference.

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 services. Some airlines may also charge for printing boarding passes or making changes to your reservation. Factor these into your total travel budget.

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 5 days ago

402 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 2026.)

Today’s best flight deals from Philadelphia to Belfast

Explore current cheapest deals departing from Philadelphia to Belfast

Round trip

Sort by: Cheapest

August 3 - August 18

Cheapest

Earliest

PHL - Belfast

$932

$685

Round trip

August 10 - August 24

PHL - Belfast

$928

$723

Round trip

August 8 - August 24

PHL - Belfast

$915

$725

Round trip

August 26 - August 31

Best

PHL - Belfast

$1,018

$768

Round trip

September 8 - September 13

PHL - Belfast

$883

$779

Round trip

September 4 - September 8

PHL - Belfast

$895

$787

Round trip

September 13 - September 27

PHL - Belfast

$815

$811

Round trip

August 5 - August 24

PHL - Belfast

$841

$824

Round trip

August 22 - August 29

PHL - Belfast

$909

$853

Round trip

August 18 - August 24

PHL - Belfast

$918

$854

Round trip

Unlock all 500+ flight deals to Belfast and get alerts when great deals appear

Philadelphia to Belfast: Overview

Insights for flights from Philadelphia to Belfast

A typical journey from Philadelphia to Belfast takes about 16h 0m, including connections. This is a long-haul route covering a distance of 5227 km. Given that most itineraries connect at least once, this duration accounts for 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, indicating a regular cadence for price changes.

The cheapest time to fly from Philadelphia to Belfast is often in September, with a median fare of $409. Other affordable months include August, where the median fare is $426, and April, with a median of $443.

There are no direct flights from Philadelphia to Belfast. Most itineraries connect at least once, and for connecting flights, the typical number of connections is 2. This means you should plan for at least two stops on your journey.

How much is a round trip from Philadelphia to Belfast

Regular price: $763 - $1,120

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

The regular price range for flights from Philadelphia to Belfast is typically between $763 and $1120. The current lowest deal is $677 with Frontier Airlines for travel from Aug 10-Sep 2.

now $677

Low $763

High $1,120

The cheapest time to fly from Philadelphia to Belfast

The cheapest month to fly from Philadelphia to Belfast Intl 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

Frontier Airlines

easyJet UK

Norse Atlantic UK

Aer Lingus

Last-minute flights going from Philadelphia to Belfast

Tue, Jul 14

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

$1,202

$1,487

One-way

Wed, Jul 15

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

Deutsche Luft Hansa

$1,046

$1,017

One-way

Sat, Jul 18

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

$1,004

$1,262

One-way

Tue, Jul 28

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BHD)

Air Canada, WestJet, Aer Lingus

$878

$898

One-way

Sun, Aug 2

⌛ Last-Minute

TTN - Belfast

Trenton (TTN) - Belfast (BFS)

Frontier Airlines

$966

$1,112

One-way

Mon, Aug 3

⌛ Last-Minute

PHL - Belfast

Philadelphia (PHL) - Belfast (BFS)

Frontier Airlines

$934

$685

One-way

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

7 nights

Aug 14 - Aug 21

$990 → $784

21%

15 nights

Aug 3 - Aug 18

$919 → $742

19%

5 nights

Aug 26 - Aug 31

$1,022 → $854

16%

5 nights

Aug 6 - Aug 11

$1,039 → $905

13%

Popular Airports to fly from Philadelphia to Belfast

Philadelphia - Belfast route insights

💸 Price insights

Recent fares above the typical level

Recent fares for Philadelphia to Belfast are above the typical level at $677.

📅 Best time to fly

Fly in July for the best prices

Historically, July is the cheapest month to fly, with a median price of $358.

⏱️ Flight duration

Connecting flights take 16h 0m

Flights from Philadelphia to Belfast typically take 16h 0m with connecting flights.

✈️ Airlines & availability

Connecting flights are typical for this route

This route typically features connecting flights, with a median of 2 stopovers.

🏆 Airline highlight

Frontier Airlines offers deals

📍 ~140 km from Belfast (reachable by bus or rail, requires crossing a border).

💸 Flights from ~$370

City of Derry (LDY)

City of Derry is a convenient alternative for regional UK domestic flights within Northern Ireland.

📍 ~100 km from Belfast (reachable by car or less frequent public transport).

💸 Flights from ~$910

Glasgow (GLA)

Glasgow is a major UK hub with extensive low-cost carrier presence and many routes not available from Northern Ireland.

📍 ~170 km from Belfast (requires a ferry crossing or separate flight).

💸 Flights from ~$580

Edinburgh Airport (EDI)

Edinburgh Airport is a large international gateway with a wide variety of global destinations and excellent facilities.

📍 ~190 km from Belfast (requires crossing the Irish Sea).

💸 Flights from ~$582

Ireland West Airport Knock (NOC)

Ireland West Airport Knock serves several European leisure destinations and is accessible by road.

📍 ~200 km from Belfast (reachable by car, limited direct public transport).

💸 Flights from ~$784

Business & First Class Flight Deals to Belfast

70% AI deal score

$7,403

From PHL

Elite

Aug 02

Belfast, United Kingdom

69% AI deal score

$7,553

From PHL

Elite

Aug 19

Belfast, United Kingdom

69% AI deal score

$8,182

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 often reveal better deals. Setting up price alerts may also notify you when fares drop.

Booking in advance, often several months before your desired departure, can sometimes secure lower prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings might also offer different rates.

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 total cost and convenience.

Related routes

Consider alternative routes from Philadelphia

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Cheap Flights from Philadelphia to Belfast

Today’s best flight deals from Philadelphia to Belfast

Unlock all 500+ flight deals to Belfast and get alerts when great deals appear

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 above the typical level

Fly in July for the best prices

Connecting flights take 16h 0m

Connecting flights are typical for this route

Frontier Airlines offers deals

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 13

Oct 20

Oct 20

Oct 13

Oct 05

Aug 26

Oct 17

Oct 13

Oct 05

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Oct 05

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Aug 19

Frequently Asked Questions About Flights to Belfast

How can I find cheap flights from Philadelphia to Belfast?

How can I find cheap flights from Philadelphia to Belfast?

When should I book 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?

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

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

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

Can flexible travel dates help on Philadelphia to Belfast flights?

Can flexible travel dates help on Philadelphia to Belfast flights?

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

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

Related routes

Consider alternative routes from Philadelphia