$386+ Cheap flights from Boston to Waterloo, IA (BOS - 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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ALO
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Waterloo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Waterloo
Cheapest
Best
Last-minute
Cheapest flights from Boston to WaterlooExplore the most affordable flight options available from Boston to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
Explore the most affordable flight options available from Boston to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/222:23 pm -
2 stops10h 36m
Tue 12/297:04 am -
2 stops10h 10m
Deal found 11/6![American Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:43 pm -
1 stop5h 31m
Sun 12/207:04 am -
1 stop6h 13m
Deal found 11/7![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1610:24 am -
1 stop5h 50m
Sat 12/195:34 am -
1 stop7h 31m
Deal found 11/5![American Airlines logo]()
$427
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:20 am -
1 stop5h 53m
Sun 11/153:43 pm -
1 stop6h 48m
Deal found 11/7![American Airlines logo]()
$547
Best flights from Boston to WaterlooDiscover carefully curated flight deals from Boston to Waterloo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from Boston to Waterloo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:43 pm -
1 stop5h 31m
Sun 12/207:04 am -
1 stop6h 13m
Deal found 11/5![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1610:24 am -
1 stop5h 50m
Sat 12/195:34 am -
1 stop7h 31m
Deal found 11/5![American Airlines logo]()
$427
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/137:47 pm -
1 stop5h 42m
Wed 2/173:52 pm -
1 stop5h 50m
Deal found 11/5![American Airlines logo]()
$446
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:29 pm -
1 stop7h 30m
Tue 12/297:04 am -
1 stop6h 13m
Deal found 11/6![American Airlines logo]()
$482
Last-minute flights from Boston to WaterlooDiscover last-minute flight deals from Boston to Waterloo. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Waterloo. Data last updated November 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:20 am -
1 stop5h 53m
Sun 11/153:43 pm -
1 stop6h 48m
Deal found 11/7![American Airlines logo]()
$547
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:43 pm -
1 stop5h 31m
Sun 12/207:04 am -
1 stop6h 13m
Deal found 11/7![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1610:24 am -
1 stop5h 50m
Sat 12/195:34 am -
1 stop7h 31m
Deal found 11/5![American Airlines logo]()
$427
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/222:23 pm -
2 stops10h 36m
Tue 12/297:04 am -
2 stops10h 10m
Deal found 11/6![American Airlines logo]()
$386
Find flight deals from Boston to Waterloo
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Waterloo (ALO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 10, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $386 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Waterloo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 10, 2026.
Use the filters below to find and compare flights from Boston to Waterloo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonWaterloo
BOS Boston Logan Intl - ALO Waterloo
BOSALO
Boston Logan Intl
Wed 12/16
7:43 pm-12:14 am
1 stop5h 31m
Waterloo
Sun 12/20
7:04 am-2:17 pm
1 stop6h 13m
$420
BostonWaterloo
BOS Boston Logan Intl - ALO Waterloo
BOSALO
Boston Logan Intl
Wed 12/16
10:24 am-3:14 pm
1 stop5h 50m
Waterloo
Sat 12/19
5:34 am-2:05 pm
1 stop7h 31m
$427
Quickest round-trip
BostonWaterloo
BOS Boston Logan Intl - ALO Waterloo
BOSALO
Boston Logan Intl
Sat 2/13
7:47 pm-12:29 am
1 stop5h 42m
Waterloo
Wed 2/17
3:52 pm-10:42 pm
1 stop5h 50m
$446
BostonWaterloo
BOS Boston Logan Intl - ALO Waterloo
BOSALO
Boston Logan Intl
Tue 12/22
5:29 pm-11:59 pm
1 stop7h 30m
Waterloo
Tue 12/29
7:04 am-2:17 pm
1 stop6h 13m
$482
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Boston-Waterloo, Iowa flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Boston-Waterloo, Iowa flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Boston-Waterloo, Iowa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Waterloo, Iowa flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Waterloo, Iowa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Waterloo
Have a flexible travel schedule? Discover the best time to fly to Waterloo from Boston with our price prediction graph.
BOS-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.
Reviews of airlines servicing Waterloo
Get insights into the airlines that provide service to Waterloo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Waterloo. Reviews last updated November 10, 2026.
See what other customers who have flown with American Airlines from Boston to Waterloo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.4
Comfort
7.2
Entertainment
6.8
Overall
7.0
Food
6.4
Crew
7.9
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Boarding
7.4
Comfort
7.2
Entertainment
6.8
Overall
7.0
Food
6.4
Crew
7.9
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Related info for your journey
Find useful and relevant information for your journey from Boston to Waterloo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Waterloo?
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Top airline flying from Boston to Waterloo
Discover the top airline that operate flights from Boston to Waterloo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$298 | Average$482 | FlexibilityNo cancel fee | On-time71% |