In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Mongolia to Washington, D.C.?

The most popular flight routes from Mongolia to Washington, D.C. are Ulaanbaatar Buyant Ukhaa - Washington, D.C. Dulles Intl, Ulaanbaatar Buyant Ukhaa - Baltimore/Washington and Ulaanbaatar Buyant Ukhaa - Washington, D.C. Reagan-National.

What are the most popular airlines that fly from Mongolia to Washington, D.C.?

Consider Air China, MIAT Mongolian or Turkish Airlines when booking your flight. These represent the most popular airlines when flying from Mongolia to Washington, D.C..

Can I find deals for flights from Mongolia to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Mongolia to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Mongolia to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mongolia to Washington, D.C..

Can I find deals for business class flights from Mongolia to Washington, D.C.?

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

Find Cheap Flights from Mongolia to Washington, D.C.

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Everything you need to know about your flight from Mongolia to Washington, D.C.

What is the cheapest month to book a flight from Mongolia to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Mongolia to Washington, D.C. (average of $292). Flying from Mongolia to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MN to WAS?

When flying from Mongolia to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Korean Air, Turkish Airlines, and Air China from Mongolia to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very good

1,140 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Korean Air

8.4

Very good

1,140 reviews

Korean Air

8.4

Very good

1,140 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Turkish Airlines

7.3

Good

3,968 reviews

Korean Air

8.4

Very good

1,140 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Air China

7.3

Good

101 reviews

Korean Air

8.4

Very good

1,140 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Related info for your journey

What are the most popular routes from Mongolia to Washington, D.C.?
The most popular flight routes from Mongolia to Washington, D.C. are Ulaanbaatar Buyant Ukhaa - Washington, D.C. Dulles Intl, Ulaanbaatar Buyant Ukhaa - Baltimore/Washington and Ulaanbaatar Buyant Ukhaa - Washington, D.C. Reagan-National.
Can I find deals for flights from Mongolia to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Mongolia to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Mongolia to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mongolia to Washington, D.C..
Can I find deals for business class flights from Mongolia to Washington, D.C.?
Yes. Cheapflights offers flight deals from Mongolia to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Mongolia to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Mongolia to Washington, D.C. (average of $292). Flying from Mongolia to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 4 airlines flying from Mongolia to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Air China	Cheapest$814	Average$1,086	FlexibilityNo cancel fee	On-time67%
Turkish Airlines	Cheapest$1,022	Average$1,220	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$1,153	Average$1,154	FlexibilityNo cancel fee	On-time69%
MIAT Mongolian	Cheapest$1,213	Average$1,390	FlexibilityNo cancel fee	On-time63%

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Find cheap flights from Mongolia to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Insights

Everything you need to know about your flight from Mongolia to Washington, D.C.

What is the cheapest month to book a flight from Mongolia to Washington, D.C.?

What is the cheapest time of day to fly from MN to WAS?

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Korean Air, Turkish Airlines, and Air China from Mongolia to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the most popular routes from Mongolia to Washington, D.C.?

Can I find deals for flights from Mongolia to Washington, D.C. that include hotel bookings?

How can I find direct flights from Mongolia to Washington, D.C.?

Can I find deals for business class flights from Mongolia to Washington, D.C.?

What is the cheapest month to book a flight from Mongolia to Washington, D.C.?

Traveling to a place near Washington, D.C.?

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.

Alternative routes for Mongolia to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Mongolia to Washington, D.C. by cabin class

Find flights from Mongolia to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Mongolia and Washington, D.C. flights

Browse other Mongolia and Washington, D.C. flight options. Last updated on September 16, 2025.

Popular flight searches

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Mongolia to Washington, D.C. flights

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Other flights to Washington, D.C.

Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 16, 2025.

Top 4 airlines flying from Mongolia to Washington, D.C.

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Cheap flights from Mongolia to Washington, D.C. (WAS)

Find cheap flights from Mongolia to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Insights

Everything you need to know about your flight from Mongolia to Washington, D.C.

What is the cheapest month to book a flight from Mongolia to Washington, D.C.?

What is the cheapest time of day to fly from MN to WAS?

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Korean Air, Turkish Airlines, and Air China from Mongolia to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the most popular routes from Mongolia to Washington, D.C.?

Can I find deals for flights from Mongolia to Washington, D.C. that include hotel bookings?

How can I find direct flights from Mongolia to Washington, D.C.?

Can I find deals for business class flights from Mongolia to Washington, D.C.?

What is the cheapest month to book a flight from Mongolia to Washington, D.C.?

Traveling to a place near Washington, D.C.?

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.

Alternative routes for Mongolia to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Mongolia to Washington, D.C.

100% Free

Book with Flexibility

Travel Smart