AirHint found the following cheapest return flights from Belfast (BFS) to Hanoi (HAN) in April 2026 (see full year).
Return flights
| 30 Apr - 31 May | easyJet | ||
| 12 Apr - 26 Apr | easyJet | ||
| 08 Apr - 25 Apr | Ryanair | ||
| 05 Apr - 15 Apr | Ryanair | ||
| 13 Apr - 18 Apr | easyJet | ||
| 03 Apr - 17 Apr | easyJet | ||
| 04 Apr - 15 Apr | easyJet | ||
| 01 Apr - 08 Apr | Ryanair |
Also check the deals for one-way flights from Belfast to Hanoi in April.
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