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11/1/2026 Find Cheap Flights from Boston to Seoul (BOS to SEL)
BOS - Boston SEL - Seoul 
Find Cheap Flights from Boston to Seoul (BOS to SEL)
Fares Starting from $559
BOS - Boston SEL - Seoul Great deal! This is the lowest price we've seen for this one way route in the last 12 hours. Prices may change and aren't guaranteed for all flights or dates. Click on the price to continue your search and check the latest available fare. Ref. id 202609~Ref:niOlZowE5kKE7cqZ0GqWLA
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Cheap Flights from Boston to Seoul - Compare & Book Our Best Deals
This route offers great flexibility for different travel plans. Browse one-way fares from $558.99, round-trip fares from $962.65, and other affordable options across different budgets. Compare flight choices, explore schedules, and book the best Boston to Seoul deals that fit your budget and travel preferences.
Top Airlines that fly from Boston to Seoul
Cheap Flight Deals from Boston to Seoul
BOS Boston Sun, Nov 1
SEL Seoul
from $559
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BOS Boston Wed, Oct 28
SEL Seoul
from $589
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BOS Boston Fri, Dec 4
SEL Seoul
from $589
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BOS Boston Fri, Nov 27
SEL Seoul
from $643
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BOS Boston Mon, Feb 22
SEL Seoul
from $647
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BOS Boston Thu, Nov 26
SEL Seoul
from $740
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BOS Boston Mon, Mar 1
SEL Seoul
from $749
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BOS Boston Tue, Mar 2
SEL Seoul
from $749
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BOS Boston Wed, Mar 3
SEL Seoul
from $749
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BOS Boston Tue, Jan 19
SEL Seoul
from $752
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*All fares above were last found on: Fares are one way/round trip. Fares incl. all fuel surcharges, taxes & fees and our service fees. Displayed fares are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions. 202609~Ref:niOlZowE5kKE7cqZ0GqWLA
When is the Cheapest Time to Book Flights from BOS to SEL?
Explore data-powered insights and trends for flights from Boston to Seoul. Discover average fares, cheap months to fly, when to book, and plan smarter.
What’s the cheapest day of the week to fly from Boston to Seoul?‡
What is the cheapest month to fly from Boston to Seoul?‡
‡This information is based on historical data from the last 365 days.
Finding Affordable Flights from Boston to Seoul
- Plan Ahead - One of the keys to securing cheap flights from Boston to Seoul is to plan your trip well in advance. Airlines often offer lower prices for those who book tickets months ahead. Keep an eye on special promotions and sales events, which can yield significant savings.
- Flexibility is Key - Being flexible with your travel dates can also lead to substantial cost savings. Consider flying during off-peak seasons or on weekdays when prices tend to be lower.
- Set Price Alerts - To keep tabs on flight prices, consider setting up fare alerts. These alerts will notify you when fares from Boston to Seoul drop, giving you the opportunity to grab cheap deals.
- Consider Nearby Airports - If Seoul has multiple airports, check the prices at each one. Sometimes, flying into a nearby airport and then taking a short train or bus ride to your destination can be a much cheaper option.
- Bundle and Save - Booking your flight and accommodation together as a package can often result in significant savings. CheapOair offers these bundled deals, so make sure to explore this option.
When should I book flights from BOS to SEL? ‡
‡Got flexible travel dates? Use our flight data from the past year to discover ideal time to fly from Boston to Seoul. Find out which months and days typically offer lower fares and let CheapOair search for the best options.
CheapOair provides the predicted prices for one-way trips or round-trips with a duration of 7 days for domestic and 14 days for international trips based on historical data and available flight information. Graphs are estimates only. Prices are subject to change and can't be guaranteed until ticketed.
Estimated price for
Round-trip
‡Graphs are estimates only. Based on historical data and available flight information. Prices are subject to change and cannot be guaranteed until ticketed.
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Cheap Flights from Boston to Seoul
When you book your flight from Boston to Seoul with us, you can be sure that you get the lowest airfares available online. Besides savings on airfares, you will also get to choose from a list of top airlines flying to Seoul from Boston! Plan your trip with CheapOair and save like never before on Seoul flights. Book now and go!
Boston to Seoul flight route to get Korean Air nonstop flights commencing 12 April 2019
Boston to Seoul flight route is getting Korean Air nonstop flights commencing 12 April 2019. Since Delta and Korean Air has started their partnership in 2018, this nonstop service is one of the first additions in the operations.
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