JetBlue: One-Way Flights from JFK or Boston to London, Paris, or Amsterdam From $73

JFK to London (LHR):

• January: 18–31
• February: 1–11, 15, 17, 18, 23–28
• March: 1–4, 10–12, 16–19, 21, 23–31
• April: 1–7

JFK to Paris:

• January: 17–21, 24–26
• February: 1–8, 10, 23, 24
• March: 3–4, 9–10, 16–17, 20, 22–27, 29–31
• April: 1–2, 4, 6–7

JFK to Amsterdam:

• January: 19–22, 24, 26–27, 29
• February: 2–3, 8–11, 17, 23–24
• March: 16–19, 22–24, 27, 29–31
• April: 1–3, 5–8

Boston to London (LHR):

• January: 18–31
• February: 1–11, 17–18, 23–27
• March: 2–4, 10, 12, 16–18, 23–26, 29–31
• April: 1–2, 6–7

Boston to Paris:

• January: 18–21, 24–26
• February: 1–10, 20, 23–24
• March: 2–4, 9–10, 16–17, 20, 22–27, 29–31
• April: 1–2, 4, 6–7

Boston to Amsterdam:

• January: 19–22, 24, 26–27
• February: 2–3, 8–11, 24
• March: 16–19, 22–24, 29–31
• April: 1–2, 7–8