Boston (BOS) to Trondheim (TRD) flight deal in economy from $421
$691 USD
-39%$421 USD
Verified about 5 hours agoOctober 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
17% of dates checked are available within 10% of the lowest price
Saturday, October 10th, 2026
5 round-trip options
Returning
Thu, Oct 15, 2026•5 Day Trip
$537 USD
Returning
Sat, Oct 17, 2026•7 Day Trip
$534 USD
Returning
Sun, Oct 18, 2026•8 Day Trip
$534 USD
Returning
Mon, Oct 19, 2026•9 Day Trip
$534 USD
Returning
Tue, Oct 20, 2026•10 Day Trip
$534 USD