$1,416+ Cheap flights from Boston (BOS) to Ushuaia (USH)
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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — USH
Jan 11 — Jan 181
1 adult, Economy
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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
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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 Ushuaia
Cheapest flights from Boston to UshuaiaExplore the most affordable flight options available from Boston to Ushuaia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
Explore the most affordable flight options available from Boston to Ushuaia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.
This CheapOair deal was found by Cheapflights users on 12/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:50 pmBOS - USH
3 stops36h 35mMultiple Airlines
Mon 12/297:55 pmUSH - BOS
3 stops40h 05mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$3,083
Find flight deals from Boston to Ushuaia
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Ushuaia (USH). 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 December 12, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,416 (Mytrip) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Ushuaia 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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Boston to Ushuaia that are best for you.
Fly from
Boston
Fly to
Ushuaia
Route
Depart
Return
Price
BostonUshuaia
BOS - USH
BOSUSH
Boston Logan Intl
Mon 1/26
6:55 pm-11:40 am
3 stops38h 45m
Ushuaia Malvinas Argentinas
Mon 2/2
10:30 am-4:19 pm
3 stops31h 49m
$1,416
Compare providers for flights from Boston to Ushuaia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Ushuaia in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Ushuaia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Ushuaia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Ushuaia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Ushuaia flights, Cheapflights users trust eDreams the most. eDreams 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-Ushuaia 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 Ushuaia
Have a flexible travel schedule? Discover the best time to fly to Ushuaia from Boston with our price prediction graph.
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.
Cheapflights Insights
Everything you need to know about your flight from Boston to Ushuaia
How often are flights from Boston to Ushuaia delayed?
About 17% of weekly flights between Boston and Ushuaia have experienced delays in the past year, with the average delay time being 170 minutes.
What is the most punctual flight time for Boston to Ushuaia flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to Ushuaia flights?
Over the last year, Hawaiian Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.