Dua- On the return from a journey recite

On the return from a journey recite
أَوْبَاً أَوْبَاً لِرَبِّنَا تَوْبَاً لَا يُغَادِرُ عَلَيْنَا حَوْبَاً
"I have come back, I have come back, I seek forgiveness from Allah with such a repentance that leaves me with no sin".

(Hisnul Hasin from Abi Yala)

Dua-On the return journey when entering one's own city recite

آيِبُونَ تَائِبُونَ عَابِدُونَ لِرَبِّنَا حَامِدُونَ
"We are returning, repenting and obedient to Allah, praising Him".

(Hisnul Hisn)
Prophet Mohammad (S.A.W.)'s blessed habit was to return from a journey during chast time within the city. He would first go to the Masjid, perform two rakaats Salaats. Thereafter he would stay in the Masjid for a little while and then go home.

(Bukhari, Muslim)
Prophet Mohammad (S.A.W.) loved to journey on Thursdays.

(Bukhari)

Dua-Etiquettes on returning from a journey

When returning from a journey one should sit on the mode of conveyance and recite:
اللَّهُمَّ إِنَّا نَسْأَلُكَ فِي سَفَرِنَا هَذَا الْبِرَّ وَالتَّقْوَى
On departing, recite all journey duas and be concerned about the etiquettes of a journey and on every ascend recite "Allahu-Akbar" thrice and recite:
لَا إِلَهَ إِلَّا اللَّهُ وَحْدَهُ لَا شَرِيكَ لَهُ لَهُ الْمُلْكُ وَلَهُ الْحَمْدُ وَهُوَ عَلَى كُلِّ شَيْءٍ قَدِيرٍ آيِبُونَ تَائِبُونَ عَابِدُونَ سَاجِدُونَ لِرَبِّنَا حَامِدُونَ صَدقَ اللَّهُ وَعْدَهُ وَنَصَرَ عَبْدَهُ وَهَزَمَ الْأَحْزَابَ وَحْدَهُ
"There is none worthy of worship besides Allah who has no partner, His is the Kingdom and to him is all praise, for He has created everything. We are those returning, repenting and obedient to Allah, performing Sajda, praising Allah, Allah has made truth (fullfilled) His promise and aided His servant and defeated the enemy armies Alone."

(Mishkat)

At the time of Sehri while on a journey recite

سَمْعُ سَامِعٍ بِحَمْدِ اللَّهِ وَنِعْمَتِهِ وَحُسْنِ بَلَائِهِ عَلَيْنَا رَبَّنَا صَاحِبْنَا وَأَفْضِلْ عَلَيْنَا عَائِذَاً بِاللَّهِ مِنَ النَّارِ
"The heaven has heared our praise of Allah and also heard our testification that He favours us and keeps us in good condition. Our Lord stay with us and grant us your favours and I make dua to seek refuge from Allah from Jahannam (hell fire)".

(Hisnul Hasin from Muslim etc)
It is also narrated that this dua be recited three times in a raised voice.

(Hisnul Hasin from Mustahab)
Note:
Prophet Mohammad (S.A.W.) stated that if a person on journey refrains from worldly affairs in his heart and focuses his attention to Allah and remembers Him, the angels stay with him throughout the journey and if he recites imaginary poetry or does any futile thing then Satan stays with him during his journey.

(Hisnul Hasin)
Prophet Mohammad (S.A.W.) told Jabir bin Mutim (R.A.) to recite the following five Suras when on journey:
1- Surah Kaafiroon
2- Surah Nasr
3- Surah Ikhlaas
4- Surah Falaq
5- Surah Naas
Every Surah should commence with "Bismillah" and Surah Naas should end with "Bismillah" as well, thus reciting "Bismillah" six times.
Jabir (R.A.) states: "When I went out on journey (and although I was wealthy and had more merchandise than my companions), my conditions were worse than them, but from the time I began reciting these surahs, on return my condition was better than all of them, and I had most provisions of the journey".

(Hisnul Hasin)

Dua-When night while on a journey recite

يَا أَرْضُ رَبِّي وَرَبُّكِ اللَّهُ أَعُوذُ بِاللَّهِ مِنْ شَرِّكِ وَشَرِّ مَا خُلِقَ فِيكِ وَشَرِّ مَا يَدُبُّ عَلَيْكِ وَأَعُوذُ بِاللَّهِ مِنْ أَسَدٍ وَأُسُودٍ وَمِنَ الْحَيَّةِ وَالْعَقْرَبِ وَمِنْ شَرِّ سَاكِنِي الْبَلَدِ وَمِنْ وَالِدٍ وَمَا وَلَدَ
"Oh Earth, your Lord, and my Lord is Allah. I seek refuge in Allah from the evil (of your nights) and those evils created in you and that which moves in you and seek refuge in Allah from the lions, snakes, scorpions and from the evils of the dwellers of the city and from the father and children".

(Hisnul Hasin from Abu Dawood)

Dua when alighting off a vehicle

When alighting off a vehicle recite:
أَعُوذُ بِكَلِمَاتِ اللَّهِ التَّامَّاتِ مِنْ شَرِّ مَا خَلَقَ
"I seek refuge in Allah by His complete words from the evils of the creation".
By reciting this dua, no harm will befall on the person.

(Muslim)
When seeing the village/town of the destination recite
اللَّهُمَّ رَبَّ السَّمَاوَاتِ السَّبْعِ وَمَا أَظْلَلْنَ وَرَبَّ الَأَرَضِينَ السَّبْعِ وَمَا أَقْلَلْنَ وَرَبَّ الشَّيَاطِينَ وَمَا أَضْلَلْنَ وَرَبَّ الرِّيَاحِ وَمَا ذَرَيْنَ فَإِنَّا نَسْأَلُكَ خَيْرَ هَذِهِ الْقَرْيَةِ وَخَيْرَ أَهْلَهَا وَنَعُوذُ بِكَ مِنْ شَرِّهَا وَشَرِّ أَهْلِهَا وَشَرِّ مَا فِيهَا
"O Allah, You are the Lord of the seven skies and all the things that are under these skies and the seven planets and whatever is over these and of Satan who misled and all those misled by him and for the wind and all that it blows. Thus we seek the good of this town and the good of its members (people) and seek refuge from its evil and the evil of its members and from the evils of whatever is in it".

(Hisnul Hasin from Ibn Habban)
When entering any city or a populated area recite the following dua three times:
اللَّهُمَّ بَارِكْ لَنَا فِيهَا
"O Allah, You grant us good in it (the city/populated area)".

(Hisnul Hasin from Tabarani)
then recite:
اللَّهُمَّ ارْزُقْنَا جِنَاهَا وَحَبِّبْنَا إِلَى أَهْلِهَا وَحَبِّبْ صَالِحِي أَهْلِهَا إِلَيْنَا
"O Allah, grant us the fruit of this place and create love in the people for us and create love in our hearts for the righteous people (of this area)".

(Hisnul Hasin from Tabarani)

Dua when travelling in a ship

When traveling in a ship recite:
بِسْمِ اللَّهِ مَجْرَاهَا وَمُرْسَاهَا إِنَّ رَبِّي لَغَفُورٌ رَّحِيمٌ . وَمَا قَدَرُوا اللَّهَ حَقَّ قَدْرِهِ وَالْأَرْضُ جَمِيعاً قَبْضَتُهُ يَوْمَ القِيَامَةِ وَالسَّمَاوَاتُ مَطْوِيَّاتٌ بِيَمِينِهِ سُبْحَانَهُ وَتَعَالَى عَمَّا يُشْرِكُونَ .
"In the name of Allah, it moves and stops. Definitely my Lord is forgiving and merciful and the Kuffar have not recognised Him as they should, whereas on the Day of Qiyamah the whole earth will be in His fist and the skies folded in His right hand. He is Pure and Superior (lofty) from the belief which the Mushrikeen hold (have)".

(Hisnul Hasin)

Dua-When climbing recite:

سُبْحَانَ اللَّهِ
When alighting اللَّهُ أَكْبَرُ and when passing an area where there is water recite بِسْمِ اللَّهِ and in the event of an accident or the animals feet slipping recite لَا إِلَهَ إِلَّا اللَّهُ وَاللَّهُ أَكْبَرُ

(Hisnul Hasin)

Dua-When beginning the journey recite

اللَّهُمَّ إِنَّا نَسْأَلُكَ فِي سَفَرِنَا هَذَا الْبِرَّ وَالتَّقْوَى وَمِنَ الْعَمَلِ مَا تَرْضَى اللَّهُمَّ هَوِّنْ عَلَيْنَا سَفَرَنَا هَذَا وَاطْوِ لَنَا بُعْدَهُ اللَّهُمَّ أَنْتَ الصَّاحِبُ فِي السَّفَرِ وَالْخَلِيفَةُ فِي الْأَهْلِ اللَّهُمَّ إِنِّي أَعُوذُ بِكَ مِنْ وَعْثَاءِ السَّفَرِ وَكَآبَةِ الْمَنْظَرِ وَسُوءِ الْمُنْقَلَبِ فِي الْمَالِ وَالْأَهْلِ وَأَعُوذُ بِكَ مِنَ الْحُورِ بَعْدَ الْكُورِ وَدَعْوَةِ الْمَظْلُومِ
"O Allah, we seek goodness from You and piety from this journey and (the ability to do) good actions by which You are pleased. O Allah, ease this journey for us and make us transverse the road quickly. O Allah, You are our companion in this journey and deputy (guardian) over our household whom we left behind. O Allah, I seek refuge in You from the difficulties of the journey and from seeing bad things and from a bad return at home and household and from the dua of the oppressed".
Note: It is Mustahab to perform two rakaats Nafl Salaat before commencing a journey.

(Kitabul Askar-Li-Nawawi)

Dua when mounting or placing a foot on a stripe

When mounting on or placing the foot on the stripe, recite:
"Bismillah" and when sitting on the back of the animal or a seat recite Alhamdulillah and then the following Ayah:
سُبْحَانَ الَّذِي سَخَّرَ لَنَا هَذَا وَمَا كُنَّا لَهُ مُقْرِنِينَ وَإِنَّا إِلَى رَبِّنَا لَمُنْقَلِبُونَ
"Allah is pure, He has given control and without His power we would not have any control Without doubt we are to return to him:

(Surah Zakhruf)
Thereafter
Alhamdulillah - three times الْحَمْدُ لِلَّهِ
Allahu-Akbar- three times اللَّهُ أَكْبَرُ
Thereafter the following dua:
سُبْحَانَكَ إِنِّي ظَلَمْتُ نَفْسِي فَاغْفِرْ لِي فَإِنَّهُ لَا يَغْفِرُ الذُّنوُبَ إِلَّا أَنْتَ
"O Allah, You are pure, surely I have oppressed myself so forgive me for You are the only One Who forgives sins". After reciting this it is Mustahab to smile.

(Mishkat)

Dua at the intention to undertake a journey

اللَّهُمَّ بَكَ أَصُولُ وَبِكَ أَجُولُ وَبِكَ أَسِيرُ
"O Allah, it is with Your help that I attack (the enemy) and with Your help I defend and with Your help I depart".

(Hisnul Hasin)

Dua by the traveller for the person wishing him farewell.

أَسْتَوْدِعِكُمُ اللَّهَ الَّذِي لَا تَضِيعُ وَدَائِعُهُ
"I leave your responsibility to Allah (leave you in his hands) in whose protection nothing can be lost (destroyed, damaged) when He protects".

(Hisnul Hasin)

Duaa-At The Time of His Departure.

Dua at the time of his departure:
اللَّهُمَّ إِطْوِ لَهُ الْبُعْدَ وَهَوِّنْ عَلَيْهِ السَّفَرَ
"O Allah, let his journey be covered quickly and most easily".

(Tirmidhi)

Duaa-For Another Person Undertaken a Journey

Dua for another person undertaken a journey
When some other person undertakes a journey, recite the following dua:
زَوَّدَكَ اللَّهُ التَّقْوَى وَغَفَرَ لَكَ ذَنْبَكَ وَيَسَّرَ لَكَ الْخَيْرَ حَيْثُ كُنْتَ
"May Allah make piety part of your journey, forgive your sins and fulfil the purpose of the journey".

(Tirmidhi)

Duaa-Concerning Journeys

When biding farewell to someone going off on a journey, recite:
أَسْتَوْدِعُ اللَّهَ دِينَكَ وَأَمَانَتَكَ وَخَوَاتِيمَ عَمَلِكَ
"(I make) Allah responsible for your deen, your trustworthiness and for the results of your actions".

(Tirmifhi)

Duaa-When sighting the new moon

Dua at the time of sighting the moon:
أَعُوذُ بِاللَّهِ مِنْ شَرِّ هَذَا
"I seek refuge in Allah from this (its) evil."
Dua when sighting the new moon:
اللَّهُمَّ أَهِلَّهُ عَلَيْنَا بِالْيُمْنِ وَالْإِيمَانِ وَالسَّلَامَةِ وَالْإِسْلَامِ وَالتَّوْفِيقِ لِمَا تُحِبُّ وَتَرْضَى رَبِّي وَرَبُّكَ اللَّهُ
"O Allah, let this moon (month) pass over us with blessings, Iman, safety, and in the belief of Islam. Grant us the ability to act on the actions that You love and Pleases You. (O moon) My Lord and Your Lord is Allah".

(Hisnul Hasin from Ibn Habban)

Duaa- When the child begins to talk

Recite:
لَا إِلَهَ إِلَّا اللَّهُ
and the following Ayah of the Qur'an first:
وَقُلِ الْحَمْدُ لِلَّهِ الَّذِي لَمْ يَتَّخِذْ وَلَدَاً وَلَمْ يَكُنْ لَهُ شَرِيكٌ فِي الْمُلْكِ وَلَمْ يَكُنْ لَهُ وَلِيٌّ مِنَ الذُّلِّ وَكَبِّرْهُ تَكْبِيرَاً
"Say that All praise belongs to Allah who has no children nor any partner in His ownership, nor any dependent, and in the proper manner we mention His greatness".

(Hisnul Hasin)

Duaa-At the time of emission of sperm

When the sperm comes out, recite the following dua in the heart:
اللَّهُمَّ لَا تَجْعَلْ لِلشَّيْطَانِ فِيمَا رَزَقْتَنِي نَصِيبَاً
"O Allah, let Satan not be part of the children You grant us".
   

Duaa-Intention of having relation with wife

Recite:
بِسْمِ اللَّهِّ اللَّهُمَّ جَنِّبْنَا الشَّيْطَانَ وَجَنِّبِ الشَّيْطَانَ مَا رَزَقْتَنَا
"I am having relations in the name of Allah. O Allah save us from Satan and keep him away from the children You grant us". The child that is born after the recitation of this dua will never be harmed by Satan.

(Bukhari, Muslim)
Note: This dua must be read for if Allah's name is not taken, the Satan's sperm enters with the man's (As in marginal notes of Hisnul Hasin)

Duaa-Congratulating the bridegroom

Congratulating the bridegroom
Recite:
بَارَكَ اللَّهُ لَكَ وَبَارَكَ عَلَيْكُمَا وَجَمَعَ بَيْنَكُمَا فِي خَيْرٍ
"May Allah grant you Barakaat (blessings) and descend His blessings on both of you and keep you united".

(Ahmed, Tirmidhi)

Duaa-Arrival of a bride or a new animal

Recite:
اللَّهُمَّ إِنِّي أَسْأَلُكَ خَيْرَهَا وَخَيْرَ مَا جَبَلْتَهَا عَلَيْهِ وَأَعُوذُ بِكَ مِنْ شَرِّهَا وَشَّرَّ مَا جَبَلْتَهَا عَلَيْهِ
"O Allah, I seek the good in it from You and the goodness in the habit and character in it/her and seek refuge in You from its/her evil habits and character".
Note: Recite the above dua whilst holding the forehead of the bride for Barakaat (blessings). (Mishkat from Abu Dawood and Ibn Maja)

Duaa-When looking in the mirror

Recite:
اللَّهُمَّ أَنْتَ حَسَّنْتَ خَلْقِي فَحَسِّنْ خُلُقِي
"O Allah, just as You have made my external features beautiful, make my character beautiful as well".

(Hisnul Hasin)

Duaa-When seeing a muslim in new clothes.

Recite:
تُبْلِي وَيُخْلِفُ اللَّهُ
"May Allah prolong your life so that this clothing become old and may Allah give you other clothing after this".

(Hisnul Hasin from Abu Dawood)

Duaa-When wearing new clothes

Recite:
اللَّهُمَّ لَكَ الْحَمْدُ كَمَا كَسَوْتَنِيهِ أَسْأَلُكَ خَيْرَهُ وَخَيْرَ مَا صُنِعَ لَهُ وَأَعُوذُ مِنْ شَرِّهِ وَشَرِّ مَا صُنِعَ لَهُ
"O Allah, all praise is to You, just as You have dressed me, I seek Your blessings of it and the blessings of what it is made of and I seek protection and Your refuge from all evil and the evil of that which it is made of".

(Mishkat)
Umar (R.A.) stated that Prophet Mohammad (SAW.) said that if a person recites the following dua when dressing in new clothing and gives the old clothing in charity, then Allah will protect him both in this life and the Aakhirah and he will be under Allah's cover (i.e. he will be protected from all calamities and his sins will be hidden).

(Mishkat)
Alternatively recite
الْحَمْدُ لِلَّهِ الَّذِي كَسَانِي مَا أُوَارِي بِهِ عَوْرَتِي وَأَتَجَمَّلُ بِهِ فِي حَيَاتِي
"All praise belongs to Allah who adorned me with clothing by which I cover (hide) my private areas and by which I obtain beauty in my life".
Note: While removing clothing recite "Bismillah" as Satan does not look at the private parts due to this.

(Hisnul Hasin)

Duaa-When dressing

When dressing
Recite:
الْحَمْدُ لِلَّهِ الَّذِي كَسَانِي هَذَا وَرَزَقَنِيهِ مِنْ غَيْرِ حَوْلٍ مِنِّي وَلَا قُوَّةٍ
"All praise belongs to Allah who has clothed me without my effort or strength".