Which airport is the most popular layover for flights between Chicago and Sydney?

Los Angeles (LAX) was the most common stop: 59% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Sydney?

Qantas Airways, Air Canada and United Airlines are the top three most popular airlines that fly to Sydney from Chicago according to our data. Qantas Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 9 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Chicago to Sydney?

Dallas (DFW) has the shortest average layover time for this route: 1h 39m.

Which layover airport has the shortest travel time from Chicago to Sydney?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 20h 55m.

What is the cheapest airline that flies from Chicago to Sydney Kingsford Smith?

Alaska Airlines is the most popular carrier operating from Chicago to Sydney Kingsford Smith

Which layover airport offers the lowest fares from Chicago to Sydney?

Flights via Vancouver (YVR) offer the lowest average round-trip price of $1,143.

When did momondo last update prices for flights from Chicago to Sydney Kingsford Smith Airport?

Prices for flights from Chicago to Sydney Kingsford Smith Airport were last updated today.

How many operators does momondo search for flights from Chicago to Sydney Kingsford Smith Airport?

As of October 2026, there are 9 operators available to choose from for flights from Chicago to Sydney Kingsford Smith Airport.

How old do you have to be to fly from Chicago to Sydney Kingsford Smith Airport?

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 Chicago to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport 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 Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$609 Cheap Flights from Chicago to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Sydney

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One-way

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6:28 pm - 8:30 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 02m1 stop Los Angeles

10:40 am - 1:37 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

19h 57m1 stop Los Angeles

$1,300Delta

Fri, Nov 13 - Fri, Nov 20

5:00 pm - 8:30 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

22h 30m1 stop Los Angeles

10:40 am - 5:15 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

23h 35m1 stop Los Angeles

$1,300Delta

Thu, Nov 26 - Fri, Dec 4

6:20 pm - 9:20 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

22h 00m1 stop San Francisco

11:50 am - 2:49 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

19h 59m1 stop San Francisco

$1,300United Airlines

Fri, Nov 13 - Sat, Nov 21

1:30 pm - 9:20 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

26h 50m1 stop San Francisco

11:50 am - 2:39 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

19h 49m1 stop San Francisco

$1,300United Airlines

Thu, Nov 26 - Thu, Dec 3

3:30 pm - 8:40 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

48h 10m2 stops Vancouver Intl Brisbane

1:00 pm - 2:37 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

42h 37m2 stops Brisbane Vancouver Intl

$1,303Air Canada

Mon, Nov 16 - Sat, Nov 21

3:30 pm - 8:40 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

48h 10m2 stops Vancouver Intl Brisbane

3:00 pm - 2:37 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

40h 37m2 stops Brisbane Vancouver Intl

$1,303Air Canada

Tue, Nov 17 - Sat, Nov 21

10:05 am - 9:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

30h 30m1 stop Toronto Pearson Intl

11:20 am - 8:04 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 44m1 stop Vancouver Intl

$1,311Air New Zealand

Mon, Jan 11 - Sun, Jan 24

8:50 pm - 9:45 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

45h 55m2 stops Los Angeles Manila Ninoy Aquino Intl

11:35 am - 5:55 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

45h 20m1 stop Manila Ninoy Aquino Intl

$1,318Multiple Airlines

Sat, Apr 3 - Sun, Apr 18

8:45 am - 9:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 50m1 stop Toronto Pearson Intl

11:20 am - 5:43 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

23h 23m2 stops Vancouver Intl Toronto Pearson Intl

$1,319Air New Zealand

Mon, Jan 11 - Sun, Jan 24

10:45 pm - 9:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

42h 05m1 stop Manila Ninoy Aquino Intl

11:30 am - 4:55 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

46h 25m1 stop Manila Ninoy Aquino Intl

$1,320Philippine Airlines

Fri, Mar 5 - Tue, Mar 9

Cheap last minute flights

Enter your travel dates to find the best prices.

8:59 am - 6:25 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

28h 26m2 stops Dallas/Fort Worth Los Angeles

2:00 pm - 12:53 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

27h 53m3 stops Nadi Los Angeles Denver Intl

$1,334Multiple Airlines

Tue, Nov 3 - Thu, Nov 26

8:59 am - 6:25 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

28h 26m2 stops Dallas/Fort Worth Los Angeles

2:00 pm - 6:14 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

33h 14m2 stops Nadi Los Angeles

$1,348Multiple Airlines

Tue, Nov 3 - Thu, Nov 26

3:30 pm - 9:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 05m1 stop Vancouver Intl

11:20 am - 2:37 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

20h 17m1 stop Vancouver Intl

$1,351Air Canada

Sun, Nov 1 - Mon, Nov 16

3:30 pm - 9:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 05m1 stop Vancouver Intl

11:20 am - 7:52 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 32m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,356Air Canada

Sun, Nov 1 - Mon, Nov 16

6:55 am - 8:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

32h 40m2 stops Houston George Bush Intcntl Auckland Intl

11:50 am - 6:56 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

24h 06m2 stops Auckland Intl Los Angeles

$1,390Air New Zealand

Sun, Nov 1 - Fri, Nov 13

7:55 pm - 8:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

43h 40m2 stops Houston George Bush Intcntl Auckland Intl

7:30 am - 12:15 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

45h 45m2 stops Auckland Intl Los Angeles

$1,464Air New Zealand

Wed, Nov 4 - Sun, Nov 15

6:45 pm - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 15m1 stop Los Angeles

11:15 am - 5:00 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

22h 45m1 stop Los Angeles

$1,617Qantas Airways

Mon, Nov 2 - Mon, Nov 16

6:45 pm - 9:00 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 15m1 stop Los Angeles

11:15 am - 5:00 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

22h 45m1 stop Los Angeles

$1,650Qantas Airways

Mon, Nov 2 - Mon, Nov 16

6:50 pm - 6:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

43h 00m1 stop Doha Hamad Intl

7:00 pm - 2:30 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

36h 30m2 stops Brisbane Doha Hamad Intl

$1,689Qatar Airways

Mon, Nov 2 - Mon, Nov 16

2:31 pm - 6:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

47h 19m2 stops New York John F Kennedy Intl Doha Hamad Intl

10:10 pm - 2:30 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

33h 20m1 stop Doha Hamad Intl

$3,759Qatar Airways

Mon, Nov 2 - Tue, Dec 29

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Air Canada flights from Chicago to Sydney

Our best Air Canada deals on Chicago to Sydney flight tickets

Air Canada

Nov 15

ORD3:30 pmChicago O'Hare Intl

30h 10m

2 stops

SYD2:40 pmSydney Kingsford Smith

Nov 21

SYD1:00 pmSydney Kingsford Smith

42h 37m

2 stops

ORD2:37 pmChicago O'Hare Intl

$1,303

Air Canada

Nov 19

ORD3:30 pmChicago O'Hare Intl

48h 10m

2 stops

SYD8:40 amSydney Kingsford Smith

Nov 26

SYD11:20 amSydney Kingsford Smith

20h 17m

1 stop

ORD2:37 pmChicago O'Hare Intl

$1,307

Air Canada

Nov 17

ORD8:40 amChicago O'Hare Intl

31h 55m

2 stops

SYD9:35 amSydney Kingsford Smith

Nov 20

SYD11:20 amSydney Kingsford Smith

46h 30m

2 stops

ORD4:50 pmChicago O'Hare Intl

$1,310

Air New Zealand flights from Chicago to Sydney

Our best Air New Zealand deals on Chicago to Sydney flight tickets

Air New Zealand

Jan 11

ORD10:05 amChicago O'Hare Intl

30h 30m

1 stop

SYD9:35 amSydney Kingsford Smith

Jan 24

SYD11:20 amSydney Kingsford Smith

25h 44m

1 stop

ORD8:04 pmChicago O'Hare Intl

$1,311

Air New Zealand

Feb 2

ORD12:40 pmChicago O'Hare Intl

26h 55m

2 stops

SYD8:35 amSydney Kingsford Smith

Feb 18

SYD11:50 amSydney Kingsford Smith

25h 50m

2 stops

ORD8:40 pmChicago O'Hare Intl

$1,328

Air New Zealand

Mar 11

ORD12:35 pmChicago O'Hare Intl

27h 00m

2 stops

SYD8:35 amSydney Kingsford Smith

Mar 16

SYD11:50 amSydney Kingsford Smith

24h 41m

2 stops

ORD8:31 pmChicago O'Hare Intl

$1,329

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Fri 11/13

6:28 pm-8:30 am

1 stop21h 02m

Sydney Kingsford Smith

Fri 11/20

10:40 am-1:37 pm

1 stop19h 57m

$1,300

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Thu 11/26

5:00 pm-8:30 am

1 stop22h 30m

Sydney Kingsford Smith

Fri 12/4

10:40 am-5:15 pm

1 stop23h 35m

$1,300

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Fri 11/13

6:20 pm-9:20 am

1 stop22h 00m

Sydney Kingsford Smith

Sat 11/21

11:50 am-2:49 pm

1 stop19h 59m

$1,300

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Thu 11/26

1:30 pm-9:20 am

1 stop26h 50m

Sydney Kingsford Smith

Thu 12/3

11:50 am-2:39 pm

1 stop19h 49m

$1,300

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 11/16

3:30 pm-8:40 am

2 stops48h 10m

Sydney Kingsford Smith

Sat 11/21

1:00 pm-2:37 pm

2 stops42h 37m

$1,303

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Tue 11/17

3:30 pm-8:40 am

2 stops48h 10m

Sydney Kingsford Smith

Sat 11/21

3:00 pm-2:37 pm

2 stops40h 37m

$1,303

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 1/11

10:05 am-9:35 am

1 stop30h 30m

Sydney Kingsford Smith

Sun 1/24

11:20 am-8:04 pm

1 stop25h 44m

$1,311

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sat 4/3

8:50 pm-9:45 am

2 stops45h 55m

Sydney Kingsford Smith

Sun 4/18

11:35 am-5:55 pm

1 stop45h 20m

$1,318

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 1/11

8:45 am-9:35 am

1 stop31h 50m

Sydney Kingsford Smith

Sun 1/24

11:20 am-5:43 pm

2 stops23h 23m

$1,319

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Fri 3/5

10:45 pm-9:50 am

1 stop42h 05m

Sydney Kingsford Smith

Tue 3/9

11:30 am-4:55 pm

1 stop46h 25m

$1,320

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 Chicago to Sydney

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

Layovers

What is the typical price of a round-trip flight between Chicago and Sydney?

Prices are currently low for flights on this route.

Typical prices usually range from $1,348 to $1,609.
The lowest price recently found on this route was $1,300.

What is the cheapest month to fly to Sydney?

In general, February is the cheapest month to fly from Chicago to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,232. If you are unable to visit Sydney during the month of February, then departing from Chicago during the month January is also very affordable. Most momondo users find prices during this month for around $1,238.

How far in advance should I book a flight from Chicago to Sydney?

You are more likely to see cheaper flights to Sydney from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,474 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Chicago for as low as $1,081 on momondo.

Can stopping save me money on Chicago to Sydney flights?

You could potentially save up to 15% on your flight if you consider stops on a Chicago to Sydney flight.

How have Chicago to Sydney flight prices changed over time?

As of October 2026, prices for Chicago to Sydney flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Sydney (CHI to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Sydney

Best Price Found	$609
Fastest flight time	25h 06m
Direct flights	None

The best one-way flight to Sydney from Chicago in the past 72 hours is $609. The best round-trip flight deal from Chicago to Sydney found on momondo in the last 72 hours is $1,300.

The fastest flight from Chicago to Sydney takes 25h 06m

There are no direct flights from Chicago to Sydney. There are no popular flight routes from Chicago to Sydney.

Search flight deals

Frequently asked questions about flying from Chicago to Sydney

How far is Chicago to Sydney Kingsford Smith by plane?
There are 9237.5 mi between Chicago and Sydney Kingsford Smith. By plane, this route typically takes 25h 06m.
When did momondo last update prices for flights from Chicago to Sydney Kingsford Smith Airport?
Prices for flights from Chicago to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from Chicago to Sydney Kingsford Smith Airport?
As of October 2026, there are 9 operators available to choose from for flights from Chicago to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Chicago to Sydney Kingsford Smith Airport?
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 Chicago to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport 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 Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Chicago to Sydney?
Based on momondo bookings for flights between Chicago and Sydney, the leading airline is Qantas Airways, making up 41% of the total bookings. Other popular airlines include United Airlines with 17%, Air Canada with 15%, and American Airlines with 11%.

Best airlines flying from Chicago to Sydney

Compare and see reviews for airlines that fly from Chicago to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $237	Free Cancellation	Rating 7.8 8,696 reviews	Search Delta flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.0 261 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $837	Free Cancellation	Rating 7.5 1,122 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $837	Free Cancellation	Rating 7.0 12,216 reviews	Search American Airlines flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.3 10,454 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,117	Free Cancellation	Rating 7.1 11,834 reviews	Search Air Canada flights
ANA	PriceFrom $1,209	Free Cancellation	Rating 8.3 1,338 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,279	Free Cancellation	Rating 8.0 679 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,382	Free Cancellation	Rating 7.3 3,712 reviews	Search Qatar Airways flights

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Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Sydney?

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 Chicago to Sydney for you.

Can I find flights from Chicago to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Chicago with this policy.

How can momondo help me find flights from Chicago to Sydney?

Once you have performed a search for Chicago to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chicago to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Chicago to Sydney from $609

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Sydney departing on 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Chicago to Sydney

Our best Air Canada deals on Chicago to Sydney flight tickets

Air New Zealand flights from Chicago to Sydney

Our best Air New Zealand deals on Chicago to Sydney flight tickets

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How to get the cheapest flight ticket from Chicago to Sydney

What is the typical price of a round-trip flight between Chicago and Sydney?

What is the cheapest month to fly to Sydney?

How far in advance should I book a flight from Chicago to Sydney?

Can stopping save me money on Chicago to Sydney flights?

How have Chicago to Sydney flight prices changed over time?

What is the cheapest airline that flies from Chicago to Sydney Kingsford Smith?

What airlines fly to Sydney?

Which airport is the most popular layover for flights between Chicago and Sydney?

Which layover airport offers the lowest fares from Chicago to Sydney?

Which layover airport has the shortest travel time from Chicago to Sydney?

Which layover airport has the shortest connection time from Chicago to Sydney?

When to book flights from Chicago to Sydney

Cheap Chicago to Sydney (CHI to SYD) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Chicago to Sydney

Best airlines flying from Chicago to Sydney

Compare and see reviews for airlines that fly from Chicago to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney 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 Australia

Airports servicing New South Wales

Fly your favorite airline to Sydney

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

Cabin classes currently available on flights to Sydney

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

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

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According to popular flight searches on momondo this year

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