In terms of precipitation, rainfall in Waterloo, Iowa ranges from 0.8 - 5.0 inches per month. June is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Waterloo, Iowa when rainfall is around 0.8 in.

If weather is an important factor for your trip to Waterloo, Iowa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

What is the cheapest time of day to fly from BOI to ALO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Waterloo, Iowa as you normally would.

Can I find deals for flights from Boise to Waterloo that include hotel bookings?

Yes. In addition to deals on Boise to Waterloo flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Boise to Waterloo?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Waterloo.

Can I find deals for business class flights from Boise to Waterloo?

Yes. Cheapflights offers flight deals from Boise to Waterloo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$371+ Cheap Flights from Boise to Waterloo, IA

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Cheap flight deals from Boise to Waterloo

One-way

One-way flights from Boise to Waterloo
Search for one-way flight options from Boise to Waterloo. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.

Wed 11/181:24 pm -

1 stop9h 14m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/1

$371

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BoiseWaterloo

BOI Boise Air Term. Gowen Fld - ALO Waterloo

BOIALO

Boise Air Term. Gowen Fld

Wed 11/18

1:24 pm-11:38 pm

1 stop9h 14m

Waterloo

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Sorted by cheapest first

Best time to book a flight from Boise to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from Boise with our price prediction graph.

BOI-ALO

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Boise to Waterloo that include hotel bookings?
Yes. In addition to deals on Boise to Waterloo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boise to Waterloo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Waterloo.
Can I find deals for business class flights from Boise to Waterloo?
Yes. Cheapflights offers flight deals from Boise to Waterloo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Waterloo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boise to Waterloo

One-way flights from Boise to Waterloo
Search for one-way flight options from Boise to Waterloo. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.

Search for one-way flight options from Boise to Waterloo. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.

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Use the filters below to find and compare flights from Boise to Waterloo that are best for you.

Best time to book a flight from Boise to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from Boise with our price prediction graph.

Related info for your journey

Can I find deals for flights from Boise to Waterloo that include hotel bookings?

How can I find direct flights from Boise to Waterloo?

Can I find deals for business class flights from Boise to Waterloo?

Traveling to a place near Waterloo?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to Waterloo

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Complete your trip

Complete your trip to Waterloo by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Boise to Waterloo by cabin class

Find flights from Boise to Waterloo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Boise and Waterloo flights

Browse other Boise and Waterloo flight options. Last updated on October 6, 2026.

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$371+ Cheap flights from Boise to Waterloo, IA (BOI - ALO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Waterloo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boise to Waterloo

One-way flights from Boise to WaterlooSearch for one-way flight options from Boise to Waterloo. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.

Search for one-way flight options from Boise to Waterloo. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Waterloo that are best for you.

Best time to book a flight from Boise to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from Boise with our price prediction graph.

Related info for your journey

Can I find deals for flights from Boise to Waterloo that include hotel bookings?

How can I find direct flights from Boise to Waterloo?

Can I find deals for business class flights from Boise to Waterloo?

Traveling to a place near Waterloo?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to Waterloo

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Waterloo by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Boise to Waterloo by cabin class

Find flights from Boise to Waterloo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Boise and Waterloo flights

Browse other Boise and Waterloo flight options. Last updated on October 6, 2026.

Other flights from Boise

Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on October 6, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Waterloo

Explore flights to Waterloo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 6, 2026.

100% Free

Book with Flexibility

Travel Smart

One-way flights from Boise to Waterloo
Search for one-way flight options from Boise to Waterloo. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.