Oslo (OSL) to Boston (BOS) flight deal from $4901 USD in first class – flightdeals.net

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Swiss International Air Lines

LXSwiss International Air Lines

Round Trip•First Class

Oslo Airport, Gardermoen

Logan International Airport

Boston, United States

$6,312 USD

-22%$4,901 USD

Verified Nov 29, 2025 at 7:32 AM

January 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$6,161 30$6,165 31$6,162 1$7,397 2 3 4 5$7,397 6 7 8$6,163 9$6,166 10$6,166 11$6,166 12 13$6,163 14$6,163 15 16 17$6,163 18 19$4,928 20$4,930 21$4,930 22 23 24 25 26$4,925 27$4,929 28$4,929 29$6,163 30 31$6,166 1

Fair Availability

23% of dates checked are available within 10% of the lowest price

Monday, January 19th, 2026

4 round-trip options

Returning

Tue, Jan 27, 2026•8 Day Trip

$4,928 USD

Returning

Wed, Jan 28, 2026•9 Day Trip

$4,928 USD

Returning

Sat, Jan 31, 2026•12 Day Trip

$6,162 USD

Returning

Sun, Feb 1, 2026•13 Day Trip

$6,160 USD