$454 Cheap Flights from Philadelphia (PHL) to Brussels (BRU)

View $454 flight on Mon, Sep 1, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Brussels Airport (BRU)

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Find available prices by choosing your travel dates.

Cheap Flights from Philadelphia to Brussels (PHL-BRU)

Prices were available within the past 7 days and start at $454 for one-way flights and $567 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, Nov 12 - Wed, Nov 19
PHL
Philadelphia
BRU
Brussels
$567 Roundtrip, found 2 days ago
$567
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Wed, Nov 12 from Philadelphia to Brussels, returning Wed, Nov 19, priced at $567 found 2 days ago
United
Wed, Aug 6 - Thu, Aug 21
PHL
Philadelphia
BRU
Brussels
$630 Roundtrip, found 5 hours ago
$630
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Aug 6 from Philadelphia to Brussels, returning Thu, Aug 21, priced at $630 found 5 hours ago
Air Canada
Wed, Aug 13 - Wed, Aug 20
PHL
Philadelphia
BRU
Brussels
$630 Roundtrip, found 3 hours ago
$630
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Wed, Aug 13 from Philadelphia to Brussels, returning Wed, Aug 20, priced at $630 found 3 hours ago
Virgin Atlantic
Tue, Aug 5 - Wed, Aug 20
PHL
Philadelphia
BRU
Brussels
$644 Roundtrip, found 8 hours ago
$644
Roundtrip
found 8 hours ago
Select Virgin Atlantic flight, departing Tue, Aug 5 from Philadelphia to Brussels, returning Wed, Aug 20, priced at $644 found 8 hours ago
Delta
Tue, Aug 5 - Wed, Aug 20
PHL
Philadelphia
BRU
Brussels
$644 Roundtrip, found 8 hours ago
$644
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Aug 5 from Philadelphia to Brussels, returning Wed, Aug 20, priced at $644 found 8 hours ago
Iberia
Wed, Nov 12 - Wed, Nov 19
PHL
Philadelphia
BRU
Brussels
$659 Roundtrip, found 2 days ago
$659
Roundtrip
found 2 days ago
Select Iberia flight, departing Wed, Nov 12 from Philadelphia to Brussels, returning Wed, Nov 19, priced at $659 found 2 days ago
American Airlines
Sun, Oct 26 - Thu, Nov 6
PHL
Philadelphia
BRU
Brussels
$660 Roundtrip, found 1 hour ago
$660
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sun, Oct 26 from Philadelphia to Brussels, returning Thu, Nov 6, priced at $660 found 1 hour ago
British Airways
Wed, Nov 12 - Wed, Nov 19
PHL
Philadelphia
BRU
Brussels
$660 Roundtrip, found 2 days ago
$660
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Nov 12 from Philadelphia to Brussels, returning Wed, Nov 19, priced at $660 found 2 days ago
Scandinavian Airlines
Tue, Oct 7 - Tue, Oct 21
PHL
Philadelphia
BRU
Brussels
$661 Roundtrip, found 2 days ago
$661
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Tue, Oct 7 from Philadelphia to Brussels, returning Tue, Oct 21, priced at $661 found 2 days ago
Lufthansa
Sun, Nov 30 - Tue, Dec 9
PHL
Philadelphia
BRU
Brussels
$680 Roundtrip, found 2 days ago
$680
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sun, Nov 30 from Philadelphia to Brussels, returning Tue, Dec 9, priced at $680 found 2 days ago
Flights from Philadelphia (PHL) to Brussels (BRU)
Origin airport
Philadelphia Intl.
Destination airport
Brussels - National
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$567
Distance
3749 mi

Philadelphia to Brussels Flights

The cheapest times to fly from Philadelphia to Brussels

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Brussels are during the month of November. You can find some of the cheapest flights from Philadelphia to Brussels with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Philadelphia to Brussels

Sunday is one of the best days to book for cheap flights from Philadelphia to Brussels: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Philadelphia to Brussels

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Brussels in 2025. You can also book with separate airlines for your outbound and return journeys, from $454 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Brussels flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Brussels airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Brussels - National Airport (BRU) cost?
Discover the latest flight deals from PHL to BRU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PHL to BRU?
The cheapest flights from PHL to BRU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PHL to BRU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PHL to BRU. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Philadelphia Intl. Airport (PHL) to Brussels - National Airport (BRU)?
Direct flights from Philadelphia Intl. Airport (PHL) to Brussels - National Airport (BRU) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your dates and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from PHL to BRU?
You’ll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Brussels - National Airport (BRU)?
To avoid potential delays on the Philadelphia Intl. Airport (PHL) to Brussels - National Airport (BRU) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Brussels - National Airport (BRU) last-minute?
Booking your plane ticket from PHL to BRU right before your journey is typically more expensive. However, if there’s some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a PHL to BRU flight and hotel package?
Opting for a PHL to BRU flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Brussels - National Airport (BRU)?
Typically, it’s possible to reschedule or cancel your PHL to BRU flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.