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Find cheap flights from Pennsylvania to Belfast from $641

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight to Belfast departing on 4/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 4/18
Thu 4/25

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Cheapest flight

$641
Flight from Philadelphia to Belfast City Airport

FAQs for booking flights from Pennsylvania to Belfast

  • How does KAYAK find such low prices on flights from Pennsylvania to Belfast?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Belfast.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Belfast?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Pennsylvania to Belfast?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belfast with an airline and back to Pennsylvania with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Belfast?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Pennsylvania to Belfast?

Find which airlines fly direct from Pennsylvania to Belfast, which days they fly and book direct flights.

Nonstop departures

Pennsylvania to Belfast

Monday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Tuesday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Wednesday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Thursday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Friday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Saturday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Sunday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

See more direct flights

Nonstop returns

Belfast to Pennsylvania

Monday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Tuesday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Wednesday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Thursday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Friday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

Saturday

Aer Lingus, Air France, American Airlines, +16 more

Aer Lingus, Air France, +17 more

Sunday

Aer Lingus, Air France, American Airlines, +17 more

Aer Lingus, Air France, +18 more

See more direct flights
See more direct flights

Book cheap flights from Pennsylvania to Belfast

Recent round-trip flight deals

4/16Tue
2 stopsBritish Airways
33h 44mPHL-BHD
4/23Tue
2 stopsBritish Airways
25h 30mBHD-PHL
$641
4/16Tue
2 stopsBritish Airways
33h 44mPHL-BHD
4/23Tue
1 stopBritish Airways
31h 45mBHD-PHL
$655
8/13Tue
2 stopsKLM
19h 00mPIT-BHD
8/20Tue
2 stopsKLM
24h 58mBHD-PIT
$725
4/4Thu
2 stopsDelta
20h 31mPHL-BHD
4/11Thu
2 stopsDelta
32h 06mBHD-PHL
$807
4/16Tue
1 stop
13h 40mPHL-BHD
4/23Tue
1 stop
22h 00mBHD-PHL
$809
8/13Tue
2 stopsBritish Airways
16h 07mPIT-BHD
8/20Tue
1 stopBritish Airways
29h 40mBHD-PIT
$865
4/5Fri
2 stopsAmerican Airlines
19h 51mAVP-BHD
4/9Tue
2 stopsAmerican Airlines
41h 58mBHD-AVP
$928
7/28Sun
1 stopAmerican Airlines
10h 45mPHL-BHD
8/14Wed
1 stopAmerican Airlines
10h 55mBHD-PHL
$1,104
7/28Sun
2 stops
17h 55mPHL-BHD
8/14Wed
2 stops
24h 49mBHD-PHL
$1,153
6/15Sat
2 stopsKLM
18h 48mPHL-BHD
6/29Sat
2 stopsKLM
27h 56mBHD-PHL
$2,334

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Last minute flights from Pennsylvania to Belfast

Last minute flight, train and bus deals

3/20Wed
multi-stopDelta
21h 31mPHL-BHD
3/24Sun
multi-stopDelta
31h 09mBHD-PHL
$1,554
3/20Wed
multi-stopBritish Airways
12h 00mPHL-BHD
3/24Sun
multi-stopBritish Airways
14h 25mBHD-PHL
$2,406
3/20Wed
multi-stopBritish Airways
12h 00mPHL-BHD
3/24Sun
multi-stopBritish Airways
14h 55mBHD-PHL
$2,421

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Flights to Belfast

Return flight deals:

Belfast - Pennsylvania

Cabin classes: