HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Iwakuni

$3,048+ Cheap flights from Boston (BOS) to Iwakuni (IWK)

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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IWK
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Iwakuni 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 Iwakuni

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Iwakuni (IWK). 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 5, 2025.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$3,048
(United Airlines)
Provider with most accurate pricing for Boston Logan Intl-MCAS Iwakuni flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-MCAS Iwakuni flights.
Search Deals
From Boston Logan Intl to MCAS Iwakuni
Search Deals

Find flight deals from Boston to Iwakuni

Cheapest flights from Boston to Iwakuni
Explore the most affordable flight options available from Boston to Iwakuni. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/308:30 pmBOS - IWK
2 stops32h 20mUnited Airlines
Thu 12/49:05 amIWK - BOS
2 stops24h 19mUnited Airlines
Deal found 11/3$3,048

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Iwakuni 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 November 5, 2025.
Use the filters below to find and compare flights from Boston to Iwakuni that are best for you.

Fly from

Boston

Fly to

Iwakuni

Route

Depart

Return

Price

BostonIwakuni

BOS - IWK

BOSIWK

Boston Logan Intl

Sun 11/30

8:30 pm-6:50 pm

2 stops32h 20m

MCAS Iwakuni

Thu 12/4

9:05 am-7:24 pm

2 stops24h 19m

$3,048

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

  • Most accurate provider: When it comes to deals on Boston-Iwakuni flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Iwakuni flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from Boston-Iwakuni flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Iwakuni flights, Cheapflights users trust AranGrant the most. AranGrant 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-Iwakuni 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 Iwakuni

Have a flexible travel schedule? Discover the best time to fly to Iwakuni 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.

Related info for your journey

Find useful and relevant information for your journey from Boston to Iwakuni. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Iwakuni?

    Airlines like United Airlines fly from Boston to Iwakuni in about 32h 20m. The time it takes to get you to your destination can typically vary by up to . The distance between Boston and Iwakuni is about 6945 mi.

  • Can I find deals for flights from Boston to Iwakuni that include hotel bookings?

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

  • How can I find direct flights from Boston to Iwakuni?

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

  • Can I find deals for business class flights from Boston to Iwakuni?

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

See more FAQs

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.

Complete your trip

Complete your trip to Iwakuni by adding a car rental and/or hotel reservation to your travel itinerary.
Matsuyama Airport car rentals
Oita Airport car rentals

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.