United's wildest route yet is officially on sale
If you've been excited about the possibility of flying a United Airlines Boeing 737 to Mongolia, you're in luck. The airline has officially started selling flights to Ulaanbaatar.
The Chicago-based carrier just filed the details of this creative new route, as first seen in Cirium schedules.

CIRIUM
United's new 1,900-mile route from Tokyo's Narita International Airport (NRT) to Chinggis Khaan International Airport (UBN) will commence on May 1 with thrice-weekly service in each direction. (The westbound service will operate on Sunday, Tuesday and Thursday, while the eastbound flight will operate on Monday, Wednesday and Friday.)
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Flights from Tokyo will depart at 4:30 p.m. and land in Ulaanbaatar at 8:55 p.m. The return service will leave at 9:55 a.m. and land in Toyko at 3:45 p.m.
United plans seasonal service in this new market with flights scheduled to end on Oct. 12, 2025.
These flights are timed to connect with United's primary transpacific departure and arrival banks from Narita. United operates long-haul flights from Narita to Denver, Houston, Los Angeles, Newark and San Francisco.
United will deploy a Guam-based Boeing 737-800 on this route, featuring 16 business-class recliners, 48 Economy Plus extra-legroom seats and 102 standard economy seats.
Seeing a United Boeing 737 in Mongolia might be puzzling for some, but it's being operated as part of historical fifth-freedom rights that United has in Tokyo for flights that originate in the U.S. and continue onward to other countries.
In recent years, United hasn't really taken advantage of these rights, instead focusing on boosting its hub in Guam. That said, Guam hasn't been as busy or lucrative as it has in the past, so United seems to be experimenting with new uses for the jets it stations in Micronesia.
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In fact, United has been busy in recent months turning its presence at NRT into a de facto gateway hub within the larger region. The airline recently commenced new flights from Tokyo to Cebu in the Philippines, and now it's adding three more short-haul regional routes from the airport, with Kaohsiung, Taiwan, and Koror, Palau, joining Ulaanbaatar.
United says that its joint venture partnership with Japanese airline All Nippon Airways will help these routes take off. (For instance, ANA doesn't currently fly from Narita to Ulaanbaatar.) The new flights will also be supported by travelers looking for one-stop connections from the U.S.
"We are thinking about Tokyo differently than how it's been thought of in the past. I think Tokyo is a real asset to us. ... And when we went through the data, a lot of this traffic was connecting over Beijing, but is not doing so anymore. And so this is a way to connect it over Tokyo," United's network chief Patrick Quayle told TPG back when the routes were announced in October.
If you're looking to book the new route, one-way fares start at $326 in economy and $753 in business class. Introductory mileage rates are quite steep, with one-way economy flights starting at 30,000 miles and business-class flights starting at a whopping 75,000 miles.
There was no saver award availability on the new routes as of time of publication.
Related reading:
- United Airlines MileagePlus: Guide to earning and redeeming miles, elite status and more
- Best United Airlines credit cards
- United Premier status: What it is and how to earn it
- Maximize your airfare: The best credit cards for booking flights
- The best credit cards to reach elite status
- United basic economy: What you need to know about bags, seats, boarding and more
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