Boston (BOS) to Trondheim (TRD) flight deal in economy from $421
$691 USD
-39%$421 USD
Verified about 8 hours agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
17% of dates checked are available within 10% of the lowest price
Friday, August 21st, 2026
9 round-trip options
Returning
Wed, Aug 26, 2026•5 Day Trip
$668 USD
Returning
Thu, Aug 27, 2026•6 Day Trip
$671 USD
Returning
Sat, Aug 29, 2026•8 Day Trip
$777 USD
Returning
Sun, Aug 30, 2026•9 Day Trip
$745 USD
Returning
Mon, Aug 31, 2026•10 Day Trip
$643 USD
Returning
Tue, Sep 1, 2026•11 Day Trip
$639 USD
Returning
Wed, Sep 2, 2026•12 Day Trip
$639 USD
Returning
Thu, Sep 3, 2026•13 Day Trip
$671 USD
Returning
Fri, Sep 4, 2026•14 Day Trip
$687 USD