Oslo (OSL) to Boston (BOS) flight deal from $4856 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

$5,726 USD

-15%$4,856 USD

Verified Nov 4, 2025 at 6:52 AM

November 2025

Mon

Tue

Wed

Thu

Fri

Sat

Sun

27 28 29 30 31 1 2 3 4$4,904 5$4,900 6$4,904 7$4,904 8$4,904 9$4,904 10$7,456 11$4,909 12$4,909 13$4,904 14$4,909 15$4,909 16$7,456 17$6,135 18$4,909 19$4,909 20 21 22 23 24$4,900 25$4,904 26$4,900 27$4,904 28$4,909 29$4,909 30

Good Availability

51% of dates checked are available within 10% of the lowest price

Saturday, November 29th, 2025

4 round-trip options

Returning

Sun, Dec 7, 2025•8 Day Trip

$4,909 USD

Returning

Tue, Dec 9, 2025•10 Day Trip

$4,909 USD

Returning

Wed, Dec 10, 2025•11 Day Trip

$4,909 USD

Returning

Sat, Dec 13, 2025•14 Day Trip

$7,367 USD