Flights from Boston to Liege
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The quick answer
Compare Boston to Liege flights across 800+ airlines for the lowest fare. Travel authorization required (ESTA-style) (Belgium).
Price calendar — Boston to Liege
Month-by-month lowest fares. Green = cheapest dates.
Belgium essentials
🟡 Travel authorization required (ESTA-style) · up to 90 days
ETIAS authorization expected to be required for the Schengen Area; visa-free for stays up to 90 days in any 180-day period.
Full Liege visa guide →🆘 Emergency
112
💱 Currency
Euro (€)
🕐 Time zone
UTC+1
🗣️ Language
Dutch, French
🔌 Plugs
Type C/E · 230V
🚗 Driving
Right side
💡 Tipping
Included; round up
📞 Dial code
+32
Entry rules can change — always confirm with official sources before booking.
Stay connected in Liege
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your Boston to Liege trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in Liege
Pre-book your ride into Liege. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Boston to Liege flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
Boston to Liege — frequently asked
Are there direct flights from Boston to Liege?+
This route is usually served by connecting flights. Use the search above to check for any direct options on your dates.
Do US citizens need a visa for Belgium?+
Travel authorization required (ESTA-style) for stays up to 90 days. ETIAS authorization expected to be required for the Schengen Area; visa-free for stays up to 90 days in any 180-day period.
What currency is used in Belgium?+
The Euro (EUR, €). The emergency number is 112.
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