ALO

$312 Find Cheap Flights to Waterloo - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Waterloo departing on 7/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$383
American Airlines
Wed 7/15Sat 7/18
BOS - ALO • 1 stop
Cheapest one-way
$312
American Airlines
Tue 7/21
PHX - ALO • 1 stop
Top routes
Cheapest
Most popular
Insights
Insights
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Waterloo!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights to Waterloo

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights to Waterloo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals to Waterloo

Wed, Jul 15 - Sat, Jul 18
American Airlines Logo
12:01 pm - 12:29 am
BOS
-
ALO
13h 28m
1 stop
American Airlines Logo
5:06 am - 12:05 am
ALO
-
BOS
17h 59m
1 stop
$383American Airlines
Wed, Jul 15 - Sun, Jul 19
American Airlines Logo
12:01 pm - 12:29 am
BOS
-
ALO
13h 28m
1 stop
American Airlines Logo
3:25 pm - 9:34 am
ALO
-
BOS
17h 09m
1 stop
$392American Airlines
Fri, Aug 7 - Mon, Aug 10
American Airlines Logo
6:14 am - 2:52 pm
BOS
-
ALO
9h 38m
1 stop
American Airlines Logo
3:23 pm - 9:37 am
ALO
-
BOS
17h 14m
1 stop
$395American Airlines
Tue, Jul 28 - Tue, Aug 4
American Airlines Logo
7:16 am - 12:29 am
DEN
-
ALO
16h 13m
1 stop
American Airlines Logo
5:06 am - 12:17 am
ALO
-
DEN
20h 11m
1 stop
$397American Airlines
Wed, Jul 15 - Sat, Jul 18
American Airlines Logo
1:01 pm - 12:29 am
BOS
-
ALO
12h 28m
1 stop
American Airlines Logo
5:06 am - 5:45 pm
ALO
-
BOS
11h 39m
2 stops
$426American Airlines
Fri, Aug 7 - Mon, Aug 10
American Airlines Logo
2:00 pm - 12:22 am
BOS
-
ALO
11h 22m
1 stop
American Airlines Logo
3:23 pm - 9:37 am
ALO
-
BOS
17h 14m
1 stop
$432American Airlines
Thu, Aug 20 - Fri, Aug 28
American Airlines Logo
3:27 pm - 12:22 am
AUS
-
ALO
8h 55m
1 stop
American Airlines Logo
3:23 pm - 10:56 am
ALO
-
AUS
19h 33m
1 stop
$433American Airlines
Sat, Aug 22 - Wed, Aug 26
American Airlines Logo
6:52 am - 12:22 am
PHX
-
ALO
15h 30m
1 stop
American Airlines Logo
5:00 am - 4:59 pm
ALO
-
PHX
13h 59m
1 stop
$437American Airlines
Sat, Aug 1 - Sat, Aug 8
American Airlines Logo
7:01 am - 12:22 am
DEN
-
ALO
16h 21m
1 stop
American Airlines Logo
5:00 am - 5:39 pm
ALO
-
DEN
13h 39m
2 stops
$437American Airlines
Tue, Sep 22 - Sun, Sep 27
American Airlines Logo
6:18 pm - 2:55 pm
JAX
-
ALO
21h 37m
1 stop
American Airlines Logo
3:29 pm - 11:55 am
ALO
-
JAX
19h 26m
1 stop
$438American Airlines
Booking Insights

KAYAK's insights & trends for flights to Waterloo

Get data-powered insights and trends for flights to Waterloo to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Waterloo?

These are the best round-trip prices found by users searching on KAYAK in the last 5 days.

In the last 5 days, the cheapest flight deal to Waterloo was found on the route from Phoenix, at $383 return. The most popular connection is from Boston to Waterloo and KAYAK users have found round-trip deals for as low as $383 in the last 5 days.

Good to know - Book Cheap Waterloo Plane Tickets

Cheapest flight$312
Flight from Phoenix to Waterloo

When to book flights to Waterloo

Are your dates flexible? Find out the best times to travel to Waterloo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to Waterloo based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs - booking Waterloo flights

  • What is the cheapest flight to Waterloo?

    In the last 5 days, the cheapest flight deal to Waterloo was found on the route from Phoenix, at $383 return. The most popular connection is from Boston to Waterloo and KAYAK users have found round-trip deals for as low as $383 in the last 5 days.

  • How far is Waterloo Airport from central Waterloo?

    The distance between Waterloo Airport and downtown Waterloo is 5 miles.

  • What is the name of Waterloo’s airport?

    Waterloo is served by Waterloo Airport, also commonly referred to as Waterloo. The airport code is ALO.

  • How much is a flight to Waterloo?

    On average, a flight to Waterloo costs $719. The cheapest price found on KAYAK in the last 2 weeks cost $440 and departed from Chicago O'Hare Intl Airport.

  • How does KAYAK find such low prices on flights to Waterloo?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Waterloo.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Waterloo?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Waterloo is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Waterloo?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Waterloo with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Waterloo?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Waterloo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Waterloo

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Waterloo flight deals.

Reviews of the top airline flying to Waterloo

 
See real verified KAYAK customer reviews for airlines flying to Waterloo. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from the United States to Waterloo. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Waterloo? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
American AirlinesOverall score based on 11766 reviews
6.8Entertainment
7.5Boarding
7.2Comfort
6.4Food
7.9Crew
Airline reviews

I found the seats ergonomically uncomfortable forcing the body to seat slightly hunched. For a short flight I worked on adjustments but for a longer flight, it would be difficult.

8.0 ExcellentBenita, Jul 2026
RDU - PHL
Read more American Airlines reviews

I found the seats ergonomically uncomfortable forcing the body to seat slightly hunched. For a short flight I worked on adjustments but for a longer flight, it would be difficult.

The seat was not even cleaned. It has full of cookie crums probably from last flight's passenger. Its basic expectation that, seats are clean.

The planes can use an actual cleaning. The armrest and seats do not appear to be cleaned on this one and most other planes.

The flight attendant was very polite and attentive. The food was good.

For some unknown reason, my checked bag didn't arrive at the same time. I got to my destination about 30 minutes late (5pm) and my bag was delivered to my hotel at 2:06am.... in the past 4 flights with AA, they been delayed and I've missed connections and my bags. Poor service.

The boarding by groups is pointless. The first two groups worked fine, but almost Noone boarded in goups three thru five leaving the vast majority boarding when group six was called. It defeated the purpose of spreading out the crowd.

I blame kayak for my last trip to dca. Kayak cancelled my direct flight and put on a one stop flight and made lost whole day from my vacation and had not even refunded my ticket.

delayed multiple times. no resolution on anything from AA customer service. was put on hold in chat to talk to manager. was 6th in line to talk to manager for more than TWELVE HOURS - from sometime around 9AM until well after I had gone to bed that evening. no explanation, no attempt to make it right. just a five hour delay because of repeated maintenance claims

Was the most uncomfortable I ever had in the air. Felt like I was trapped in the seat legs cramped and was just horrible. The flight to DSM was a lot better. Even being on a smaller plane was better. Staff are outstanding. No complaints about the people.

It was exactly as I expected, on time, smooth flight, courteous staff.

Everything you need to know for your flight to Waterloo

Information on the airport you'll fly into in Waterloo