How long is the flight from Washington, D.C. to Hong Kong?

On average, it takes 21h 10m to fly from Washington, D.C. to Hong Kong if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Hong Kong (the most popular airport in Hong Kong). If you’re flying out of Baltimore and into Hong Kong, then the flight time is around 23h 40m.

What airlines fly to Hong Kong?

United Airlines, Cathay Pacific and Air Canada are the top three most popular airlines that fly to Hong Kong from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 12 different airlines that fly to Hong Kong on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. to Hong Kong?

Air Canada, EVA Air, and AIR PREMIA are the most popular carriers operating from Washington, D.C. to Hong Kong

When did momondo last update prices for flights from Washington, D.C. to Hong Kong?

Prices for flights from Washington, D.C. to Hong Kong refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Hong Kong?

The number of operators available for flights from Washington, D.C. to Hong Kong is 12 as of August 2026.

How old do you have to be to fly from Washington, D.C. to Hong Kong?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Hong Kong.

What documentation or ID do you need to fly to Hong Kong?

The required travel and health documents for your Hong Kong trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hong Kong. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$441 Cheap Flights from Washington, D.C. to Hong Kong in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Hong Kong

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:15 pm - 5:15 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

40h 00m1 stop Istanbul

8:55 am - 11:30 amHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

38h 35m1 stop Istanbul

$891Turkish Airlines

Sun, Sep 20 - Fri, Oct 2

8:29 am - 5:15 amIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

32h 46m1 stop Vancouver Intl

12:45 am - 6:30 amHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

41h 45m2 stops Incheon Intl Vancouver Intl

$896Air Canada

Mon, Sep 7 - Sun, Sep 13

8:29 am - 5:15 amIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

32h 46m1 stop Vancouver Intl

12:20 pm - 2:22 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

38h 02m2 stops Incheon Intl Toronto Pearson Intl

$904Air Canada

Mon, Sep 21 - Wed, Oct 21

10:15 am - 10:45 pmDCA Washington, D.C. Reagan-National-HKG Hong Kong Intl

24h 30m2 stops Toronto Pearson Intl Incheon Intl

12:20 pm - 12:44 pmHKG Hong Kong Intl-DCA Washington, D.C. Reagan-National

36h 24m2 stops Incheon Intl Toronto Pearson Intl

$912Multiple Airlines

Mon, Sep 7 - Tue, Sep 15

5:35 pm - 5:15 amBWI Baltimore/Washington-HKG Hong Kong Intl

23h 40m2 stops Chicago O'Hare Intl Vancouver Intl

9:45 am - 9:02 pmHKG Hong Kong Intl-BWI Baltimore/Washington

23h 17m2 stops Vancouver Intl Chicago O'Hare Intl

$913Multiple Airlines

Mon, Sep 21 - Wed, Oct 21

11:00 pm - 7:00 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

32h 00m1 stop Beijing Capital

8:30 am - 7:30 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

23h 00m1 stop Beijing Capital

$957Air China

Tue, Sep 29 - Fri, Oct 30

10:00 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

29h 45m1 stop Beijing Capital

10:30 am - 6:30 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

21h 00m1 stop Beijing Capital

$957Air China

Fri, Nov 6 - Tue, Dec 8

9:40 pm - 5:15 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

31h 35m1 stop Istanbul

8:55 am - 11:30 amHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

38h 35m1 stop Istanbul

$970Turkish Airlines

Mon, Sep 7 - Wed, Sep 16

9:00 pm - 9:55 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

36h 55m1 stop Doha Hamad Intl

4:05 pm - 3:40 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

35h 35m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

$1,057Qatar Airways

Sun, Aug 30 - Sun, Sep 6

11:05 am - 9:55 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

22h 50m1 stop Doha Hamad Intl

10:15 pm - 3:40 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

29h 25m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

$1,061Qatar Airways

Thu, Sep 3 - Thu, Sep 10

Cheap last minute flights

Enter your travel dates to find the best prices.

9:45 am - 10:35 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

24h 50m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita

9:30 am - 11:59 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

26h 29m2 stops Tokyo Narita Seattle/Tacoma Intl

$1,057Multiple Airlines

Wed, Aug 12 - Wed, Sep 2

9:45 am - 10:35 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

24h 50m2 stops Montreal Pierre Elliott Trudeau Intl Tokyo Narita

11:55 pm - 3:50 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

27h 55m1 stop Tokyo Haneda

$1,132Multiple Airlines

Wed, Aug 12 - Wed, Sep 2

1:50 am - 10:05 amIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

20h 15m1 stop Taipei City Taiwan Taoyuan Intl

1:30 pm - 5:40 amHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

28h 10m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,241EVA Air

Fri, Aug 14 - Tue, Aug 25

1:50 am - 7:55 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

30h 05m1 stop Taipei City Taiwan Taoyuan Intl

7:40 pm - 10:30 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

38h 50m1 stop Taipei City Taiwan Taoyuan Intl

$1,269EVA Air

Fri, Aug 14 - Tue, Aug 25

3:45 pm - 5:15 amIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

25h 30m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

9:45 am - 6:30 amHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

32h 45m1 stop Vancouver Intl

$1,447Air Canada

Wed, Aug 12 - Wed, Aug 19

7:03 am - 9:00 pmBWI Baltimore/Washington-HKG Hong Kong Intl

25h 57m1 stop Chicago O'Hare Intl

4:05 pm - 6:34 pmHKG Hong Kong Intl-BWI Baltimore/Washington

38h 29m1 stop Dallas/Fort Worth

$1,458Cathay Pacific

Wed, Aug 12 - Wed, Aug 19

6:58 pm - 4:05 amDCA Washington, D.C. Reagan-National-HKG Hong Kong Intl

21h 07m1 stop Dallas/Fort Worth

4:05 pm - 11:58 pmHKG Hong Kong Intl-DCA Washington, D.C. Reagan-National

19h 53m1 stop Dallas/Fort Worth

$1,479Cathay Pacific

Wed, Aug 12 - Wed, Aug 19

9:45 am - 5:15 amIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

31h 30m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

9:45 am - 3:01 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

41h 16m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,494Air Canada

Wed, Aug 12 - Tue, Aug 18

9:00 pm - 3:10 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

30h 10m1 stop Doha Hamad Intl

7:40 pm - 3:40 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

32h 00m1 stop Doha Hamad Intl

$1,573Qatar Airways

Wed, Aug 12 - Tue, Aug 25

9:00 pm - 3:10 pmIAD Washington, D.C. Dulles Intl-HKG Hong Kong Intl

30h 10m1 stop Doha Hamad Intl

1:25 am - 3:40 pmHKG Hong Kong Intl-IAD Washington, D.C. Dulles Intl

26h 15m1 stop Doha Hamad Intl

$1,573Qatar Airways

Wed, Aug 12 - Sun, Aug 23

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Turkish Airlines flights from Washington, D.C. to Hong Kong

Our best Turkish Airlines deals on Washington, D.C. to Hong Kong flight tickets

Turkish Airlines

Sep 20

IAD1:15 pmWashington, D.C. Dulles Intl

40h 00m

1 stop

HKG5:15 pmHong Kong Intl

Oct 2

HKG8:55 amHong Kong Intl

38h 35m

1 stop

IAD11:30 amWashington, D.C. Dulles Intl

$891

Turkish Airlines

Sep 7

IAD9:40 pmWashington, D.C. Dulles Intl

31h 35m

1 stop

HKG5:15 pmHong Kong Intl

Sep 16

HKG8:55 amHong Kong Intl

38h 35m

1 stop

IAD11:30 amWashington, D.C. Dulles Intl

$970

Turkish Airlines

Sep 7

IAD9:40 pmWashington, D.C. Dulles Intl

31h 35m

1 stop

HKG5:15 pmHong Kong Intl

Sep 16

HKG8:55 amHong Kong Intl

38h 35m

1 stop

IAD11:30 amWashington, D.C. Dulles Intl

$972

Air Canada flights from Washington, D.C. to Hong Kong

Our best Air Canada deals on Washington, D.C. to Hong Kong flight tickets

Air Canada

Sep 7

IAD8:29 amWashington, D.C. Dulles Intl

32h 46m

1 stop

HKG5:15 amHong Kong Intl

Sep 13

HKG12:45 amHong Kong Intl

41h 45m

2 stops

IAD6:30 amWashington, D.C. Dulles Intl

$896

Air Canada

Sep 21

IAD8:29 amWashington, D.C. Dulles Intl

32h 46m

1 stop

HKG5:15 amHong Kong Intl

Oct 21

HKG12:20 pmHong Kong Intl

38h 02m

2 stops

IAD2:22 pmWashington, D.C. Dulles Intl

$904

Air Canada

Sep 7

IAD8:29 amWashington, D.C. Dulles Intl

32h 46m

1 stop

HKG5:15 amHong Kong Intl

Sep 16

HKG9:30 amHong Kong Intl

23h 54m

2 stops

IAD9:24 pmWashington, D.C. Dulles Intl

$909

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Hong Kong

IAD Washington, D.C. Dulles Intl - HKG Hong Kong Intl

IADHKG

Washington, D.C. Dulles Intl

Sun 9/20

1:15 pm-5:15 pm

1 stop40h 00m

Hong Kong Intl

Fri 10/2

8:55 am-11:30 am

1 stop38h 35m

$891

Washington, D.C.Hong Kong

IAD Washington, D.C. Dulles Intl - HKG Hong Kong Intl

IADHKG

Washington, D.C. Dulles Intl

Mon 9/7

8:29 am-5:15 am

1 stop32h 46m

Hong Kong Intl

Sun 9/13

12:45 am-6:30 am

2 stops41h 45m

$896

Washington, D.C.Hong Kong

IAD Washington, D.C. Dulles Intl - HKG Hong Kong Intl

IADHKG

Washington, D.C. Dulles Intl

Mon 9/21

8:29 am-5:15 am

1 stop32h 46m

Hong Kong Intl

Wed 10/21

12:20 pm-2:22 pm

2 stops38h 02m

$904

Washington, D.C.Hong Kong

DCA Washington, D.C. Reagan-National - HKG Hong Kong Intl

DCAHKG

Washington, D.C. Reagan-National

Mon 9/7

10:15 am-10:45 pm

2 stops24h 30m

Hong Kong Intl

Tue 9/15

12:20 pm-12:44 pm

2 stops36h 24m

$912

Quickest round-trip

BaltimoreHong Kong

BWI Baltimore/Washington - HKG Hong Kong Intl

BWIHKG

Baltimore/Washington

Mon 9/21

5:35 pm-5:15 am

2 stops23h 40m

Hong Kong Intl

Wed 10/21

9:45 am-9:02 pm

2 stops23h 17m

$913

Washington, D.C.Hong Kong

IAD Washington, D.C. Dulles Intl - HKG Hong Kong Intl

IADHKG

Washington, D.C. Dulles Intl

Tue 9/29

11:00 pm-7:00 pm

1 stop32h 00m

Hong Kong Intl

Fri 10/30

8:30 am-7:30 pm

1 stop23h 00m

$957

Washington, D.C.Hong Kong

IAD Washington, D.C. Dulles Intl - HKG Hong Kong Intl

IADHKG

Washington, D.C. Dulles Intl

Fri 11/6

10:00 pm-4:45 pm

1 stop29h 45m

Hong Kong Intl

Tue 12/8

10:30 am-6:30 pm

1 stop21h 00m

$957

Washington, D.C.Hong Kong

IAD Washington, D.C. Dulles Intl - HKG Hong Kong Intl

IADHKG

Washington, D.C. Dulles Intl

Mon 9/7

9:40 pm-5:15 pm

1 stop31h 35m

Hong Kong Intl

Wed 9/16

8:55 am-11:30 am

1 stop38h 35m

$970

Washington, D.C.Hong Kong

IAD Washington, D.C. Dulles Intl - HKG Hong Kong Intl

IADHKG

Washington, D.C. Dulles Intl

Sun 8/30

9:00 pm-9:55 pm

1 stop36h 55m

Hong Kong Intl

Sun 9/6

4:05 pm-3:40 pm

2 stops35h 35m

$1,057

Washington, D.C.Hong Kong

IAD Washington, D.C. Dulles Intl - HKG Hong Kong Intl

IADHKG

Washington, D.C. Dulles Intl

Thu 9/3

11:05 am-9:55 pm

1 stop22h 50m

Hong Kong Intl

Thu 9/10

10:15 pm-3:40 pm

2 stops29h 25m

$1,061

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Hong Kong

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Hong Kong?

The month of August is, on average, the cheapest month to fly to Hong Kong from Washington, D.C., with most prices found around $1,084. The month of September is another great option to travel to Hong Kong, with average flight prices from Washington, D.C. averaging around $1,108.

How far in advance should I book a flight from Washington, D.C. to Hong Kong?

You are more likely to see cheaper flights to Hong Kong from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $1,204 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from Washington, D.C. for as low as $1,053 on momondo.

Can stopping save me money on Washington, D.C. to Hong Kong flights?

You could potentially save up to 23% on your flight if you consider stops on a Washington, D.C. to Hong Kong flight.

Cheap Washington, D.C. to Hong Kong flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Hong Kong

Fastest flight time	20h 45m
Direct flights	None

The fastest flight from Washington, D.C. to Hong Kong takes 20h 45m

There are no direct flights from Washington, D.C. to Hong Kong. There are no popular flight routes from Washington, D.C. to Hong Kong.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Hong Kong

When did momondo last update prices for flights from Washington, D.C. to Hong Kong?
Prices for flights from Washington, D.C. to Hong Kong refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Hong Kong?
The number of operators available for flights from Washington, D.C. to Hong Kong is 12 as of August 2026.
How old do you have to be to fly from Washington, D.C. to Hong Kong?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Hong Kong.
What documentation or ID do you need to fly to Hong Kong?
The required travel and health documents for your Hong Kong trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hong Kong. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Washington, D.C. to Hong Kong

Compare and see reviews for airlines that fly from Washington, D.C. to Hong Kong with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $453	Free Cancellation	Rating 7.1 11,458 reviews	Search Air Canada flights
Korean Air	PriceFrom $579	Free Cancellation	Rating 8.4 1,222 reviews	Search Korean Air flights
Air China	PriceFrom $818	Free Cancellation	Rating 7.4 160 reviews	Search Air China flights
Turkish Airlines	PriceFrom $878	Free Cancellation	Rating 7.4 4,478 reviews	Search Turkish Airlines flights
ANA	PriceFrom $892	Free Cancellation	Rating 8.3 1,294 reviews	Search ANA flights
Cathay Pacific	PriceFrom $965	Free Cancellation	Rating 7.5 1,444 reviews	Search Cathay Pacific flights
Qatar Airways	PriceFrom $995	Free Cancellation	Rating 7.4 3,739 reviews	Search Qatar Airways flights
United Airlines	PriceFrom $1,069	Free Cancellation	Rating 7.4 10,098 reviews	Search United Airlines flights
JetBlue	PriceFrom $1,190	Free Cancellation	Rating 7.1 3,030 reviews	Search JetBlue flights
EVA Air	PriceFrom $1,195	Free Cancellation	Rating 8.5 1,515 reviews	Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Hong Kong?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Hong Kong for you.

Can I find flights from Washington, D.C. to Hong Kong with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Hong Kong flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Hong Kong?

Once all potential Washington, D.C. to Hong Kong flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Hong Kong right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Hong Kong, momondo offers a useful price alert feature which will track prices for flights to Hong Kong from Washington, D.C. and alert you when they change.

An easier way to manage your Hong Kong trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 9/9

Wed 9/16

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Hong Kong

Popular cities

Other flights from Washington, D.C.

Other flights to Hong Kong

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Hong Kong

Flights to Hong Kongfrom $651

Cheap flights from Washington, D.C. to Hong Kong from $441

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Hong Kong departing on 11/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Washington, D.C. to Hong Kong

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Turkish Airlines flights from Washington, D.C. to Hong Kong

Our best Turkish Airlines deals on Washington, D.C. to Hong Kong flight tickets

Air Canada flights from Washington, D.C. to Hong Kong

Our best Air Canada deals on Washington, D.C. to Hong Kong flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Hong Kong that are best for you.

See travel insights to Hong Kong from

How to get the cheapest flight ticket from Washington, D.C. to Hong Kong

What is the cheapest month to fly to Hong Kong?

How far in advance should I book a flight from Washington, D.C. to Hong Kong?

Can stopping save me money on Washington, D.C. to Hong Kong flights?

What is the cheapest airline that flies from Washington, D.C. to Hong Kong?

What airlines fly to Hong Kong?

How long is the flight from Washington, D.C. to Hong Kong?

Cheap Washington, D.C. to Hong Kong flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to Hong Kong

Best airlines flying from Washington, D.C. to Hong Kong

Compare and see reviews for airlines that fly from Washington, D.C. to Hong Kong with momondo

Why use momondo?

An easier way to manage your Hong Kong trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Hong Kong

Popular cities in Hong Kong

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. flight routes

According to popular flight searches on momondo this year

Hong Kong flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Hong Kong

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Hong Kong

List of cabin classes available on flights landing in Hong Kong. Availability may vary depending on flight origin and airline.

Complete your trip to Hong Kong

Explore popular destinations other users love

According to popular flight searches on momondo this year