Boston (BOS) to Trondheim (TRD) flight deal in economy from $421
$691 USD
-39%$421 USD
Verified about 5 hours agoOctober 2026
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Limited Availability
17% of dates checked are available within 10% of the lowest price
Tuesday, October 20th, 2026
5 round-trip options
Returning
Sun, Oct 25, 2026•5 Day Trip
$444 USD
Returning
Tue, Oct 27, 2026•7 Day Trip
$427 USD
Returning
Wed, Oct 28, 2026•8 Day Trip
$421 USD
Returning
Thu, Oct 29, 2026•9 Day Trip
$421 USD
Returning
Fri, Oct 30, 2026•10 Day Trip
$537 USD