What is the best option to get it in during fertile week when I have a work trip planned?

The dates of my trip are Sep 21-24. My fertile week is from Sep 20-Sep 26.
 If we BD before and after trip, I will still have a couple days in fertile week. 
By the way, hubby is not working right now but didn't want to go on the trip when I asked before. I understand as he'll be on his own while I'm in meetings most of the time. He really wants to have kids with me though. We are ttc for #1 after a miscarriage in July.
Also, it will be hard to change the trip completely but I could possibly make it shorter. 
Thanks in advance!

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