Top picks for Union Day tours

Discover 23 Day tours in Union on Trip.com, updated October 28, 2026, with experiences lasting from 1 to 4 hours. Find the perfect adventure for your day!

From DKK 301.95 per person, with an average total of DKK 512.97. Choose the option that suits your plan.

With 1.114k verified reviews, Day tours Union boast an average rating of 4.9.

This week's most popular Day tours: "Portland, Maine: Hidden Histories Guided Walking Tour", with 247 reviews and a 4.9 rating.

Now on Trip.com: "Portland Walking Food Tour – Warm Donuts, History & Hidden Gems", a 2-hour adventure in Union!

The next available day tour departs on October 29, 2026. Book now to secure your spot!

Union Day tours usually take about 2 hours — perfect for a relaxed, immersive experience!

10% of Union Day tours now offer English-speaking guides

October is perfect for visiting Union! Choose from 23 available day tours, including seasonal hits like Portland, Maine: Hidden Histories Guided Walking Tour.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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23 results for Union Day tours

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Reviews/Trip Moments

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Reviews: Portland Walking Food Tour – Warm Donuts, History & Hidden Gems
Guest User2024-10-08
The donuts were DELICIOUS!! Ben was a great tour guide, and had really interesting facts about the city! Definitely recommend if you have never been to Portland!
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Reviews: Portland: Private Island Fort Tour
Guest User2026-08-22
It was better than I thought. The guide was very informative. I learned a lot about the island’s history. The guide made it interesting as he was explaining what happened on the island. I feel I got my money’s worth.
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Guest User2024-09-25
Dugan was wonderful and the two hour tour was perfect. Portland has a long history and Dugan did a great job of telling interesting stories and showing us many sights. There is a restroom break and the stroll was beautiful. We highly recommend Portland by Foot!
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Reviews: Portland, Maine: 2-Hour Guided History Tour
Guest User2026-10-16
Ross was great. He knows his history and is very engaging. We even enjoyed a few warm chocolate chip cookies after the tour.
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Reviews: Portland: Casco Bay Sunset and Lighthouse Cruise
Guest User2026-09-29
The captain was great (there was an incoming Nor'easter and he navigated the bay with precision to keep the boat steady); the tour guide/historian was very knowledgable; very attentive and able to answer our one-off questions. Great bar and bartender. HIGHLY recommend.
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Reviews: Portland: Best of Maine Lighthouse Scenic Cruise
Guest User2026-10-16
LT did amazing job on our scenic tour, sharing knowledge of the beautiful area! This was an awesome time