Nairobi (NBO) to Boston (BOS): 7,190 miles (11,571 km) great-circle, about 14h 55m nonstop by our estimate. Cheapest fare observed: $1271 round-trip on Brussels Airlines, with 2 stops, departing April 25, 2026.
$1271 round-trip, Brussels Airlines SN4529, departing 2026-04-25 at 22:20, returning 2026-05-02. The recorded itinerary left on a Saturday, returning on a Saturday 7 nights later; the fare was observed 0 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1271, it ranked 27th of the 30 round-trip fares we recorded from NBO (median $615). That is 17.7 cents per great-circle mile (round-trip price over one-way distance), below the NBO median of 26.4 cents across 30 round-trip routes.
Routes from NBO of similar length: New York (7,355 mi) at $1142 and Chicago (8,022 mi) at $1241.
Brussels Airlines had the cheapest fare on 2 of 30 NBO routes. It is the 5th longest of the 30 routes we track from NBO.
Of 22 departure airports with a fare to Boston, Nairobi (NBO) ranked 22nd at $1271. Lowest: $101 from Fort Lauderdale (FLL); highest: $1271 from Nairobi (NBO); 5 nonstop. Cheapest-fare airlines (routes): American Airlines (6), Frontier (5), Spirit (4), Southwest (3), Avianca (1) and Brussels Airlines (1), plus 2 more.
That depends on your passport and trip, so check the official source for United States: U.S. Customs and Border Protection: international visitors. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Africa/Nairobi, America/New_York; flight time is our estimate.