Boston (BOS) to Trondheim (TRD) flight deal in economy from $421
$691 USD
-39%$421 USD
Verified about 8 hours agoDecember 2026
Mon
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Limited Availability
17% of dates checked are available within 10% of the lowest price
Thursday, December 17th, 2026
3 round-trip options
Returning
Sun, Dec 27, 2026•10 Day Trip
$1,069 USD
Returning
Wed, Dec 30, 2026•13 Day Trip
$944 USD
Returning
Thu, Dec 31, 2026•14 Day Trip
$879 USD