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Flights from Boston to Ulaanbaatar

Find flight deals from Boston to Ulaanbaatar for the next 3 months. Book one way flights from $800 or round trip flights from $1,372.

      • BOS 1:45 AM
        33h 25m
        1 stop
        UBN 11:10 PM
        Boston - Ulaanbaatar | Fri, Jun 5 | Miat Mongolian Airlines
        UBN 12:55 PM
        22h 10m
        1 stop
        BOS 11:05 PM
        Ulaanbaatar - Boston | Mon, Jun 8 | Miat Mongolian Airlines
        $1,372 $2,096
        35% off
        35% off
        $2,096 $1,372
      • BOS 1:45 AM
        33h 25m
        1 stop
        UBN 11:10 PM
        Boston - Ulaanbaatar | Tue, Jun 16 | Miat Mongolian Airlines
        UBN 6:20 AM
        28h 45m
        1 stop
        BOS 11:05 PM
        Ulaanbaatar - Boston | Fri, Jun 19 | Miat Mongolian Airlines
        $1,416 $2,096
        32% off
        32% off
        $2,096 $1,416
      • BOS 1:45 AM
        33h 25m
        1 stop
        UBN 11:10 PM
        Boston - Ulaanbaatar | Sun, Jul 5 | Miat Mongolian Airlines
        UBN 12:55 PM
        22h 10m
        1 stop
        BOS 11:05 PM
        Ulaanbaatar - Boston | Wed, Jul 8 | Miat Mongolian Airlines
        $1,489 $2,096
        28% off
        28% off
        $2,096 $1,489
      • BOS 1:45 AM
        33h 25m
        1 stop
        UBN 11:10 PM
        Boston - Ulaanbaatar | Tue, Jun 2 | Miat Mongolian Airlines
        UBN 12:55 PM
        22h 10m
        1 stop
        BOS 11:05 PM
        Ulaanbaatar - Boston | Mon, Jun 8 | Miat Mongolian Airlines
        $1,507
        28% off
        $2,096 $1,507
      • BOS 1:45 AM
        27h
        1 stop
        UBN 4:45 PM
        Boston - Ulaanbaatar | Mon, Jun 1 | Miat Mongolian Airlines
        UBN 12:55 PM
        22h 10m
        1 stop
        BOS 11:05 PM
        Ulaanbaatar - Boston | Mon, Jun 8 | Miat Mongolian Airlines
        $1,507
        28% off
        $2,096 $1,507
      • BOS 1:45 AM
        33h 25m
        1 stop
        UBN 11:10 PM
        Boston - Ulaanbaatar | Fri, Jul 17 | Miat Mongolian Airlines
        UBN 6:20 AM
        28h 45m
        1 stop
        BOS 11:05 PM
        Ulaanbaatar - Boston | Sun, Jul 19 | Miat Mongolian Airlines
        $1,509
        28% off
        $2,096 $1,509
      • BOS 1:45 AM
        27h
        1 stop
        UBN 4:45 PM
        Boston - Ulaanbaatar | Thu, Jul 16 | Miat Mongolian Airlines
        UBN 6:20 AM
        28h 45m
        1 stop
        BOS 11:05 PM
        Ulaanbaatar - Boston | Sun, Jul 19 | Miat Mongolian Airlines
        $1,509
        28% off
        $2,096 $1,509
      • BOS 1:45 AM
        27h
        1 stop
        UBN 4:45 PM
        Boston - Ulaanbaatar | Wed, Jul 15 | Miat Mongolian Airlines
        UBN 6:20 AM
        28h 45m
        1 stop
        BOS 11:05 PM
        Ulaanbaatar - Boston | Sun, Jul 19 | Miat Mongolian Airlines
        $1,509
        28% off
        $2,096 $1,509
      • BOS 1:45 AM
        27h
        1 stop
        UBN 4:45 PM
        Boston - Ulaanbaatar | Sat, Jun 6 | Miat Mongolian Airlines
        UBN 12:55 PM
        22h 10m
        1 stop
        BOS 11:05 PM
        Ulaanbaatar - Boston | Mon, Jun 8 | Miat Mongolian Airlines
        $1,509
        28% off
        $2,096 $1,509
      • BOS 1:45 AM
        27h
        1 stop
        UBN 4:45 PM
        Boston - Ulaanbaatar | Thu, Jun 4 | Miat Mongolian Airlines
        UBN 12:55 PM
        22h 10m
        1 stop
        BOS 11:05 PM
        Ulaanbaatar - Boston | Mon, Jun 8 | Miat Mongolian Airlines
        $1,509
        28% off
        $2,096 $1,509
      • BOS 1:00 PM
        17h 25m
        1 stop
        ULN 2:00 PM
        Boston - Ulaanbaatar | Sat, May 23 | Normal Airline
        ULN 3:00 PM
        6h
        Nonstop
        BOS 4:00 PM
        Ulaanbaatar - Boston | Mon, May 25 | Normal Airline
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      • BOS 1:45 AM
        27h
        1 stop
        UBN 4:45 PM
        Boston - Ulaanbaatar | Wed, Jul 15 | Miat Mongolian Airlines
        $800 $1,374
        42% off
        42% off
        $1,374 $800
      • BOS 1:45 AM
        33h 25m
        1 stop
        UBN 11:10 PM
        Boston - Ulaanbaatar | Fri, Jun 5 | Miat Mongolian Airlines
        $807 $1,374
        41% off
        41% off
        $1,374 $807
      • BOS 1:45 AM
        33h 25m
        1 stop
        UBN 11:10 PM
        Boston - Ulaanbaatar | Sun, Jul 5 | Miat Mongolian Airlines
        $826 $1,374
        40% off
        40% off
        $1,374 $826
      • BOS 1:45 AM
        33h 25m
        1 stop
        UBN 11:10 PM
        Boston - Ulaanbaatar | Thu, Jul 2 | Miat Mongolian Airlines
        $850
        38% off
        $1,374 $850
      • BOS 4:45 PM
        23h 55m
        1 stop
        UBN 4:40 AM
        Boston - Ulaanbaatar | Wed, Jul 15 | Condor Airlines
        $968
        30% off
        $1,374 $968
      • BOS 1:45 AM
        27h
        1 stop
        UBN 4:45 PM
        Boston - Ulaanbaatar | Sat, Jun 6 | Miat Mongolian Airlines
        $972
        28% off
        $1,374 $972
      • BOS 1:45 AM
        33h 25m
        1 stop
        UBN 11:10 PM
        Boston - Ulaanbaatar | Sun, Jun 21 | Miat Mongolian Airlines
        $976
        28% off
        $1,374 $976
      • BOS 1:45 AM
        33h 25m
        1 stop
        UBN 11:10 PM
        Boston - Ulaanbaatar | Fri, Jun 19 | Miat Mongolian Airlines
        $976
        28% off
        $1,374 $976
      • BOS 1:45 AM
        27h
        1 stop
        UBN 4:45 PM
        Boston - Ulaanbaatar | Wed, Jun 10 | Miat Mongolian Airlines
        $983
        28% off
        $1,374 $983
      • BOS 1:45 AM
        27h
        1 stop
        UBN 4:45 PM
        Boston - Ulaanbaatar | Sat, Jul 4 | Miat Mongolian Airlines
        $989
        28% off
        $1,374 $989
      • BOS 1:00 PM
        17h 25m
        1 stop
        ULN 2:00 PM
        Boston - Ulaanbaatar | Sat, May 23 | Normal Airline
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        Find more flights

Displayed flight fares from Boston to Ulaanbaatar are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Boston to Ulaanbaatar (BOS-ULN)?

    Based on Trip.com data, Miat Mongolian Airlines offers one-way fares as low as $800 on Cheapest nonstop routes (e.g. BOS to UBN on Wed, Jul 15), while Miat Mongolian Airlines offers Cheapest nonstop round-trips from $1,372 departing on Fri, Jun 5 and returning on Mon, Jun 8.
  • At the moment, you can catch a nonstop flight from Boston to Ulaanbaatar with the following airlines, including: Turkish Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Boston to Ulaanbaatar is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Boston to Ulaanbaatar, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jul 15, with one-way flights priced at just $800.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Miat Mongolian Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Ulaanbaatar travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Boston to Ulaanbaatar is September, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Boston to Ulaanbaatar on May 27, 2026 with Miat Mongolian Airlines, with prices starting at $1,802.
  • You can land at any one of the following hubs in Ulaanbaatar, with Boston Logan International Airport to Chinggis Khaan International Airport (BOS-UBN) is by far the most common option on this route: Buyant Ukhaa International Airport (ULN) Chinggis Khaan International Airport (UBN).
  • The time difference between Ulaanbaatar and Boston is 13h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.