Can You Fly During the Three Weeks? A Practical Halachic Guide[1]
Summer is a peak travel season, and for many people, plans involve flights, vacations, or family visits. But when the Three Weeks arrive, a common question emerges: is it appropriate—or even permitted—to travel, especially by plane? This question is not merely technical—it touches on a broader sensitivity that Chazal highlight regarding this time period. From various halachos applicable to the three weeks, such as the warning against striking a child or avoiding walking alone at specific times of day, we learn that the Three Weeks carry an underlying element of increased danger, leading to a general custom to avoid potentially risky situations. Flying, in particular, evokes this tension. On the one hand, many people instinctively view air travel as dangerous—there is a natural anxiety associated with being high above the ground, often over vast oceans where, if something were to go wrong, survival would seem unlikely. This is reflected in common behavior: people wish each other a “safe flight,” and halachically we even recite Hagomel after certain flights, acknowledging the element of risk. On the other hand, modern reality paints a different picture. Statistically, air travel is considered extremely safe—arguably safer than everyday activities such as driving or even walking down the street. This contrast between perception and reality is what gives rise to the halachic discussion: does flying fall into the category of activities one should avoid during the Three Weeks, or is it regarded as sufficiently safe to permit? The answer requires a careful and balanced understanding of both halachic sensitivity and practical reality.
- Background:
From the laws which warn against hitting a child[2], or walking during certain times of the day[3], we learn that there is an element of danger involved during the period of the three weeks, and that one should abstain from activities that are considered possibly dangerous. While this concept is not explicitly stated in the Shulchan Aruch or its classic commentaries, it has nevertheless become widely accepted and recommended to follow. It is specifically this underlying sensitivity—that the Three Weeks carry a measure of heightened caution regarding danger—that gives rise to the question of whether flying during this period is appropriate.
- The Law:
It is permitted to fly during the Three Weeks. However, several important guidelines apply:
Business, Family, Mitzvah Related Travel: Necessary flying, such as for business, family obligations, or a mitzvah purpose is allowed.
Unnecessary Travel for Pleasure:[4] Travel that is primarily for pleasure or vacation purposes should be avoided, especially if it can be postponed.
Dangerous Destinations:[5] Travel to areas that are considered dangerous should be avoided during this time.
Nine Days Stringency: These restrictions against flying to dangerous destinations or for pleasure purposes are more strongly emphasized during the Nine Days, when greater caution is observed.
Preparation Before 17 Tammuz:[6] In the event that one needs to fly during the three weeks, it is advisable, when possible, to begin travel preparations (such as packing) before the start of the Three Weeks.
Two-Sentence Summary:
Flying during the Three Weeks is permitted when necessary, but one should avoid travel for pleasure or to dangerous areas. Extra care should be taken during the Nine Days, and it is preferable to begin preparations before the Three Weeks begin.
Table of Laws
| Scenario | What To Do |
| Necessary travel (business, mitzvah, family) | Permitted to fly |
| Travel for vacation or leisure | Should be avoided |
| Travel to dangerous areas | Should be avoided |
| Travel during the Nine Days | Extra stringency applies |
| Preparing before 17 Tammuz | Recommended when possible |
Practical Examples:
- David needs to fly for a business trip during the Three Weeks. Since it is necessary, he is permitted to travel.
- Sarah is planning a vacation getaway during this time. She should ideally postpone it to after Tisha B’Av.
- Moshe has a family simchah in another city and needs to fly during the Nine Days. It is permitted for him to do so.
- Aaron is considering traveling to a country in Africa that is currently experiencing military conflict, this would be considered a dangerous destination that should be avoided during the Three Week.
[2] Michaber 551:18; Hagahos Maimanis; Rokeiach 309; Midrash Eicha Rabasi; Midrash Tehillim 58
[3] Michaber 551:18; Hagahos Maimanis; Rokeiach 309; Midrash Tehillim and Eicha Rabasi 1:29; Tanchuma Naso 23; Ateres Zekeinim 549
The reason: As during this time, the demon called Ketev Meriri is found. [Rama ibid] See Devarim 32:24; Brachos 5a; Tanchuma ibid that it is a demon like creature; The Ketev Meriri is the name of a creature which is filled with eyes and Kelipos and hairs. He has one eye by his chest. If one even looks at him, he dies. [Eicha Rabasi ibid; Shulchan Gavoa 551:53; Kaf Hachaim 551:229]
[4] Sdei Chemed 1:10 in name of Rav Chaim Falagy in Masa Chaim; Piskeiy Teshuvos 551:1; See Minchas Elazar 4:54 regarding why by Sefira it is allowed, implying that by Bein Hametzarim it is to be avoided
[5] Makor Chaim 551:14
[6] Heichal Menachem 2:214, published in Shulchan Menachem 3:49 that on one occasion, the Rebbe advised that one who plans to travel during the three weeks, should at least begin his traveling preparations prior to the 17th of Tammuz, such as through packing some of his belongings prior to the 17th