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Boston to Baku flights in December 2026 from $546 BOS → GYD

Logan International Airport (BOS) → Heydar Aliyev International Airport (GYD)

For departures in December 2026, the cheapest return found recently is $1,219 with Icelandair, 19 Dec – 15 Jan 2027, found 3 days ago. The cheapest one-way found recently is $546 with Aer Lingus, 28 Dec, found 5 days ago.

Return

In December 2026, the cheapest return fare on each of 7 departure dates is usually $1,124 to $1,457. Across all 21 departure dates we hold on this route, it is usually $955 to $1,219. Of the 4 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$1,219

19 Dec – 15 Jan 2027 · Icelandair

Logan International Airport (BOS) → Heydar Aliyev International Airport (GYD)

out 3 stops, back 2 stops

found 3 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$955

28 Dec – 16 Jan 2027 · Lufthansa

Logan International Airport (BOS) → Heydar Aliyev International Airport (GYD)

out 1 stop, back 1 stop

found 5 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
28 Dec – 16 Jan 2027$955Lufthansaout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
11 Dec – 8 Jan 2027$1,029Aer Lingusout 2 stops, back 3 stopsfound 4 days agoSee prices for these dates
19 Dec – 15 Jan 2027$1,219Icelandairout 3 stops, back 2 stopsfound 3 days agoSee prices for these dates
24 Dec – 15 Jan 2027$1,296Icelandairout 3 stops, back 2 stopsfound 4 days agoSee prices for these dates
18 Dec – 14 Jan 2027$1,434Aer Lingusout 3 stops, back 3 stopsfound 3 days agoSee prices for these dates

Every date we hold

7 departure dates

11 Dec – 8 Jan 2027: $1,029, found 4 days ago18 Dec – 14 Jan 2027: $1,434, found 3 days ago19 Dec – 15 Jan 2027: $1,219, found 3 days ago20 Dec – 16 Jan 2027: $1,495, found 3 days ago21 Dec – 17 Jan 2027: $1,479, found 3 days ago24 Dec – 15 Jan 2027: $1,296, found 4 days ago28 Dec – 16 Jan 2027: $955, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
11 Dec – 8 Jan 2027$1,029Aer LingusLogan International Airport (BOS) → Heydar Aliyev International Airport (GYD)out 2 stops, back 3 stopsfound 4 days agoSee prices for these dates
18 Dec – 14 Jan 2027$1,434Aer LingusLogan International Airport (BOS) → Heydar Aliyev International Airport (GYD)out 3 stops, back 3 stopsfound 3 days agoSee prices for these dates
19 Dec – 15 Jan 2027$1,219IcelandairLogan International Airport (BOS) → Heydar Aliyev International Airport (GYD)out 3 stops, back 2 stopsfound 3 days agoSee prices for these dates
20 Dec – 16 Jan 2027$1,495Aer LingusLogan International Airport (BOS) → Heydar Aliyev International Airport (GYD)out 3 stops, back 3 stopsfound 3 days agoSee prices for these dates
21 Dec – 17 Jan 2027$1,479Aer LingusLogan International Airport (BOS) → Heydar Aliyev International Airport (GYD)out 3 stops, back 3 stopsfound 3 days agoSee prices for these dates
24 Dec – 15 Jan 2027$1,296IcelandairLogan International Airport (BOS) → Heydar Aliyev International Airport (GYD)out 3 stops, back 2 stopsfound 4 days agoSee prices for these dates
28 Dec – 16 Jan 2027$955LufthansaLogan International Airport (BOS) → Heydar Aliyev International Airport (GYD)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates

Which month looks cheapest?

March 2027 is the cheapest month — from $861.

November 2026From $8803 departure dates27 Nov – 12 Dec · found 3 days agoSee prices for these dates
December 2026From $9557 departure dates28 Dec – 16 Jan 2027 · found 5 days agoSee prices for these dates
January 2027From $1,0112 departure dates30 Jan 2027 – 13 Feb 2027 · found 2 days agoSee prices for these dates
February 2027From $9355 departure dates2 Feb 2027 – 12 Mar 2027 · found 7 days agoSee prices for these dates
March 2027From $861Cheapest seen4 departure dates15 Mar 2027 – 31 Mar 2027 · found 7 days agoSee prices for these dates

One-way

We hold one-way fares on only 1 departure date in December 2026, too few to say what one usually costs.

Cheapest one-way found recently

$546

28 Dec · Aer Lingus

Logan International Airport (BOS) → Heydar Aliyev International Airport (GYD)

2 stops

found 5 days ago

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It is also the cheapest one-way we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
28 Dec$546Aer Lingus2 stopsfound 5 days agoOpen this trip

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
28 Dec$546Aer LingusLogan International Airport (BOS) → Heydar Aliyev International Airport (GYD)2 stopsfound 5 days agoOpen this trip

Which month looks cheapest?

January 2027 is the cheapest month — from $409.

December 2026From $5461 departure date28 Dec · found 5 days agoOpen this trip
January 2027From $409Cheapest seen1 departure date12 Jan 2027 · found 5 days agoOpen this trip
March 2027From $5181 departure date18 Mar 2027 · found 5 days agoOpen this trip
April 2027From $5171 departure date28 Apr 2027 · found 5 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work