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BOS - UBN

$638 Find Cheap Flights from Boston to Ulaanbaatar - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,155
Typical prices: $1,423-$1,996
Korean Air
Fri 10/26Fri 11/2
BOS - UBN • 2 stops
Cheapest one-way
$638
Typical prices: $631-$987
Delta
Fri 10/19
BOS - UBN • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Boston and Ulaanbaatar. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
January
Cheapest • 30% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Houston George Bush Intcntl (IAH)
Cheapest • Avg $1,199 (round-trip)
Frankfurt am Main (FRA)
Shortest trip • 20h 19m (one-way)
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Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to Ulaanbaatar (BOS-UBN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Ulaanbaatar

Mon, Oct 26 - Mon, Nov 2
Korean Air Logo
6:00 am - 10:25 amBOS  Boston Logan Intl-UBN Ulaanbaatar Chinggis Khaan
40h 25m2 stops New York John F Kennedy Intl Incheon Intl
Korean Air Logo
12:25 pm - 8:50 amUBN  Ulaanbaatar Chinggis Khaan-BOS Boston Logan Intl
33h 25m1 stop Incheon Intl
$1,155Korean Air
Mon, Oct 26 - Mon, Nov 2
Korean Air Logo
9:10 am - 10:25 amBOS  Boston Logan Intl-UBN Ulaanbaatar Chinggis Khaan
37h 15m2 stops New York John F Kennedy Intl Incheon Intl
Korean Air Logo
12:25 pm - 12:42 pmUBN  Ulaanbaatar Chinggis Khaan-BOS Boston Logan Intl
37h 17m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$1,166Korean Air
Fri, Oct 23 - Wed, Oct 28
Multiple Airlines Logo
7:03 am - 11:05 pmBOS  Boston Logan Intl-UBN Ulaanbaatar Chinggis Khaan
28h 02m2 stops Seattle/Tacoma Intl Incheon Intl
Multiple Airlines Logo
12:25 am - 7:26 amUBN  Ulaanbaatar Chinggis Khaan-BOS Boston Logan Intl
43h 01m2 stops Incheon Intl Seattle/Tacoma Intl
$1,264Multiple Airlines
Sun, Mar 14 - Mon, Mar 22
MIAT Mongolian Logo
1:30 am - 5:05 pmBOS  Boston Logan Intl-UBN Ulaanbaatar Chinggis Khaan
27h 35m1 stop Hong Kong Intl
MIAT Mongolian Logo
6:45 am - 11:00 pmUBN  Ulaanbaatar Chinggis Khaan-BOS Boston Logan Intl
28h 15m1 stop Hong Kong Intl
$1,287MIAT Mongolian
Tue, Oct 27 - Tue, Nov 3
Turkish Airlines Logo
9:00 pm - 7:25 amBOS  Boston Logan Intl-UBN Ulaanbaatar Chinggis Khaan
22h 25m1 stop Istanbul
Turkish Airlines Logo
9:15 am - 7:05 pmUBN  Ulaanbaatar Chinggis Khaan-BOS Boston Logan Intl
22h 50m1 stop Istanbul
$1,316Turkish Airlines
Sun, Oct 25 - Mon, Nov 2
MIAT Mongolian Logo
1:30 am - 5:05 pmBOS  Boston Logan Intl-UBN Ulaanbaatar Chinggis Khaan
27h 35m1 stop Hong Kong Intl
MIAT Mongolian Logo
6:45 am - 10:00 pmUBN  Ulaanbaatar Chinggis Khaan-BOS Boston Logan Intl
28h 15m1 stop Hong Kong Intl
$1,330MIAT Mongolian
Sun, Oct 18 - Sun, Oct 25
MIAT Mongolian Logo
1:45 am - 4:45 pmBOS  Boston Logan Intl-UBN Ulaanbaatar Chinggis Khaan
27h 00m1 stop Hong Kong Intl
MIAT Mongolian Logo
6:45 am - 11:00 pmUBN  Ulaanbaatar Chinggis Khaan-BOS Boston Logan Intl
28h 15m1 stop Hong Kong Intl
$1,333MIAT Mongolian
Mon, Oct 19 - Sun, Oct 25
MIAT Mongolian Logo
1:45 am - 11:10 pmBOS  Boston Logan Intl-UBN Ulaanbaatar Chinggis Khaan
33h 25m1 stop Hong Kong Intl
MIAT Mongolian Logo
6:45 am - 11:00 pmUBN  Ulaanbaatar Chinggis Khaan-BOS Boston Logan Intl
28h 15m1 stop Hong Kong Intl
$1,337MIAT Mongolian
Wed, Oct 14 - Mon, Oct 19
MIAT Mongolian Logo
1:45 am - 4:45 pmBOS  Boston Logan Intl-UBN Ulaanbaatar Chinggis Khaan
27h 00m1 stop Hong Kong Intl
MIAT Mongolian Logo
12:55 pm - 11:05 pmUBN  Ulaanbaatar Chinggis Khaan-BOS Boston Logan Intl
22h 10m1 stop Hong Kong Intl
$1,337MIAT Mongolian
Thu, Oct 22 - Thu, Oct 29
MIAT Mongolian Logo
1:45 am - 11:10 pmBOS  Boston Logan Intl-UBN Ulaanbaatar Chinggis Khaan
33h 25m1 stop Hong Kong Intl
MIAT Mongolian Logo
6:45 am - 11:00 pmUBN  Ulaanbaatar Chinggis Khaan-BOS Boston Logan Intl
28h 15m1 stop Hong Kong Intl
$1,360MIAT Mongolian
Booking Insights

Price, demand and travel trends for Boston to Ulaanbaatar flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Boston to Ulaanbaatar?

Round-trip flights from Boston to Ulaanbaatar typically range from $1,423 to $1,996. The lowest price found in the past 5 days was $1,155, on Korean Air.

What's the cheapest day of the week to fly from Boston to Ulaanbaatar?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Boston to Ulaanbaatar. It’s 19% cheaper than the average day, while Sunday is the most expensive, with prices 67% higher.

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Key details for Boston to Ulaanbaatar flights

Low season

January

Cheapest flight

$638
Beat the crowds with an average 85% drop in travelers.
The most popular month to fly with an average 100% increase in travelers.
One-way flight from Boston to Ulaanbaatar

When to book flights from Boston to Ulaanbaatar

Are your dates flexible? Find out the best times to travel from Boston to Ulaanbaatar based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Ulaanbaatar flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Boston to Ulaanbaatar?

    Two cabin classes are available on flights from Boston to Ulaanbaatar:

    • Economy Class
    • Premium Economy Class

  • How long is a flight from Boston to Ulaanbaatar?

    A nonstop flight from Boston to Ulaanbaatar takes 00m, covering 6,211 miles.

  • Do I need a passport to fly from Boston to Ulaanbaatar?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Boston to Ulaanbaatar flight?

    Round-trip flights from Boston to Ulaanbaatar range from $1,423 to $1,996, with an average of $1,644 over the past 12 months. Anything below $1,423 counts as a good deal.

  • Have flight prices from Boston to Ulaanbaatar changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,155 to $3,738. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Boston to Ulaanbaatar looking right now?

    One-way fares from Boston to Ulaanbaatar are currently lower than usual. Average one-way flight prices are about $691, which is 19% below the typical average for this route.

  • Which airports can I use when flying from Boston to Ulaanbaatar?

    Flights from Boston to Ulaanbaatar usually depart from Boston Logan Intl (BOS) and arrive at Ulaanbaatar Chinggis Khaan (UBN).

  • Which airports do connecting flights from Boston to Ulaanbaatar pass through?

    One-stop flights from Boston to Ulaanbaatar most commonly connect through:

    • Hong Kong Intl (HKG) - 60% of one-stop connections
    • Istanbul (IST) - 25% of one-stop connections
    • Incheon Intl (ICN) - 11% of one-stop connections
    • Frankfurt am Main (FRA) - 2% of one-stop connections

  • Can I save money by using flexible dates for flights from Boston to Ulaanbaatar?

    Yes. Flexible dates can save you up to 52% on flights from Boston to Ulaanbaatar. Friday is the cheapest departure day at $1,343 round-trip on average, while Sunday is the most expensive at $2,751, a difference of $1,408.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Boston to Ulaanbaatar?

    Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 20h 19m, compared with 22h 18m via Istanbul (IST) and 25h 22m via Houston George Bush Intcntl (IAH).

  • What is the time difference between Boston and Ulaanbaatar?

    Ulaanbaatar is 12 hours ahead of Boston (Ulaanbaatar Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Boston to Ulaanbaatar flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Sunday. On this route, Friday flights average $1,343, about $1,408 less than Sunday fares (51% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boston to Ulaanbaatar trip for January. Fares historically average $1,147 round-trip in that month - typically $959 less than the most expensive month, which is August (based on the last 12 months).

More options for your flight from Boston to Ulaanbaatar

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