Find flights
Airlines
FAQs

Cheap flights from Guadalajara to England from £272

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
GDL — LHR
20 May — 27 May1
1 adult
Mon 20/5
Mon 27/5

How far in advance should I book a flight from Guadalajara to England?

Travelers have found it’s best to book a flight 17 days in advance to save up to 46% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 17 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Guadalajara to England 1-2 weeks in advance for as low as £970, or £1,157 for flights within the next 24 hours.

What is the cheapest month to fly from Guadalajara to England?

Our data shows that February tends to be the cheapest month to fly to England from Guadalajara. Users have commonly found prices around £1,033 for the month, but tickets can be as low as £757. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from Guadalajara to England (GDL - ENG)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Guadalajara to England as you normally would.

Cheap Aeromexico flights from Guadalajara to England

Explore cheap flight options specifically provided by Aeromexico for the route between Guadalajara and England. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 849,850 searches. Data last updated 15 May 2024.
Consider these cheap Aeromexico flights we've found departing from Guadalajara to England. Deals update often to give you more flight options matching your criteria
Fri 16/821:34GDL - LHR
1 stop35h 26mAeromexico
Sun 1/922:30LHR - GDL
1 stop16h 01mAeromexico
Deal found 14/5£614
Fri 16/819:49GDL - LHR
1 stop13h 11mAeromexico
Fri 23/822:30LHR - GDL
1 stop16h 46mAeromexico
Deal found 14/5£643
Tue 22/1011:13GDL - LHR
1 stop21h 47mAeromexico
Tue 29/1022:30LHR - GDL
1 stop17h 50mAeromexico
Deal found 14/5£658
Tue 22/1010:08GDL - LHR
1 stop22h 52mAeromexico
Tue 29/1015:00LHR - GDL
2 stops22h 35mAeromexico
Deal found 14/5£697
Tue 8/1012:58GDL - LHR
1 stop20h 02mAeromexico
Mon 21/1022:30LHR - GDL
1 stop16h 46mAeromexico
Deal found 14/5£719
Thu 10/1017:34GDL - LHR
1 stop15h 26mAeromexico
Mon 21/1022:30LHR - GDL
1 stop22h 21mAeromexico
Deal found 13/5£728
Wed 30/1017:30GDL - LHR
1 stop15h 35mAeromexico
Wed 6/1122:30LHR - GDL
1 stop26h 00mAeromexico
Deal found 15/5£745
Tue 5/1108:25GDL - LHR
1 stop24h 40mAeromexico
Sat 9/1115:00LHR - GDL
2 stops25h 20mAeromexico
Deal found 14/5£760
Wed 30/1015:39GDL - LHR
1 stop17h 26mAeromexico
Wed 6/1114:45LHR - GDL
2 stops24h 20mAeromexico
Deal found 15/5£766

Cheap Delta flights from Guadalajara to England

Explore cheap flight options specifically provided by Delta for the route between Guadalajara and England. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 849,850 searches. Data last updated 15 May 2024.
Browse through some of the cheapest Delta flights travelling from Guadalajara to England. Deals frequently update to provide users with more options.
Thu 10/1005:40GDL - LHR
2 stops19h 10mDelta
Thu 17/1012:45LHR - GDL
2 stops25h 46mDelta
Deal found 13/5£833
Fri 1/1111:11GDL - LHR
2 stops20h 19mDelta
Fri 14/310:45LHR - GDL
2 stops26h 50mDelta
Deal found 15/5£883
Mon 9/906:30GDL - LGW
2 stops20h 30mDelta
Wed 2/1012:00LGW - GDL
2 stops26h 31mDelta
Deal found 14/5£884
Wed 14/806:24GDL - BHX
2 stops20h 11mDelta
Wed 21/813:35BHX - GDL
2 stops34h 20mDelta
Deal found 15/5£920
Fri 13/913:18GDL - LHR
1 stop14h 52mDelta
Thu 3/1020:05LHR - GDL
2 stops27h 50mDelta
Deal found 15/5£954
Tue 21/506:22GDL - LGW
2 stops20h 38mDelta
Wed 5/612:00LGW - GDL
2 stops26h 37mDelta
Deal found 14/5£1,079

Cheap Guadalajara to England flights in May & June 2024

Find cheap flight options from Guadalajara to England specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 849,850 searches. Prices were last updated on 15 May 2024.
Scroll through some of the best deals on flights from Guadalajara to England in 2024. Check back in a little while for more flight options.
Thu 30/514:17GDL - LGW
2 stops40h 13mMultiple Airlines
Mon 3/610:00LGW - GDL
1 stop38h 31mMultiple Airlines
Deal found 15/5£756
Thu 20/623:37GDL - LGW
2 stops24h 23mMultiple Airlines
Thu 22/808:00LGW - GDL
2 stops28h 02mMultiple Airlines
Deal found 15/5£818
Tue 28/504:37GDL - LGW
3 stops32h 53mMultiple Airlines
Sun 2/610:45LGW - GDL
1 stop19h 54mMultiple Airlines
Deal found 15/5£822
Thu 20/623:37GDL - LGW
2 stops24h 23mMultiple Airlines
Thu 22/810:45LGW - GDL
1 stop19h 54mMultiple Airlines
Deal found 15/5£826
Tue 28/504:37GDL - LGW
3 stops32h 53mMultiple Airlines
Sun 2/620:40LGW - GDL
2 stops26h 53mMultiple Airlines
Deal found 15/5£836
Tue 28/506:00GDL - LGW
3 stops31h 30mMultiple Airlines
Sun 2/610:45LGW - GDL
1 stop25h 17mMultiple Airlines
Deal found 15/5£841
Sun 19/504:56GDL - LGW
1 stop22h 59mMultiple Airlines
Tue 21/510:45LGW - GDL
1 stop19h 54mMultiple Airlines
Deal found 15/5£841
Wed 29/506:56GDL - LHR
1 stop20h 39mMultiple Airlines
Mon 3/620:25LHR - GDL
2 stops34h 14mMultiple Airlines
Deal found 15/5£847
Wed 29/517:49GDL - STN
2 stops33h 51mMultiple Airlines
Mon 3/611:40STN - GDL
2 stops25h 05mMultiple Airlines
Deal found 15/5£848

Guadalajara to England 2024 flight deals

Discover exclusive flight deals for travel between Guadalajara and England in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 849,850 searches. Data last updated 15 May 2024.
Scroll through some of the best deals on flights from Guadalajara to England in 2024. Check back in a little while for more flight options.
Wed 25/905:56GDL - LGW
1 stop21h 59mMultiple Airlines
Wed 9/1010:45LGW - GDL
1 stop19h 14mMultiple Airlines
Deal found 15/5£623
Sun 17/1116:42GDL - MAN
2 stops16h 08mMultiple Airlines
Mon 17/211:05MAN - GDL
2 stops40h 33mMultiple Airlines
Deal found 14/5£682
Wed 14/815:27GDL - MAN
2 stops20h 18mBritish Airways
Wed 21/807:00MAN - GDL
2 stops21h 00mBritish Airways
Deal found 15/5£715
Wed 14/811:10GDL - MAN
2 stops24h 35mAmerican Airlines
Wed 21/807:00MAN - GDL
3 stops21h 00mAmerican Airlines
Deal found 15/5£723
Wed 25/906:56GDL - LGW
2 stops21h 49mMultiple Airlines
Wed 9/1010:45LGW - GDL
1 stop19h 14mMultiple Airlines
Deal found 15/5£727
Wed 30/1007:30GDL - LHR
1 stop25h 35mAeromexico
Wed 20/1122:30LHR - GDL
1 stop17h 50mAeromexico
Deal found 15/5£738
Wed 30/1017:30GDL - LHR
1 stop15h 35mAeromexico
Wed 6/1122:30LHR - GDL
1 stop26h 00mAeromexico
Deal found 15/5£745
Thu 5/905:56GDL - LGW
1 stop21h 59mMultiple Airlines
Fri 13/910:45LGW - GDL
1 stop34h 32mMultiple Airlines
Deal found 15/5£747
Thu 30/514:17GDL - LGW
2 stops40h 13mMultiple Airlines
Mon 3/610:00LGW - GDL
1 stop38h 31mMultiple Airlines
Deal found 15/5£756

Guadalajara to England flights leaving soon

Find last-minute flight options from Guadalajara to England for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 849,850 searches. Data last updated 15 May 2024.
Book one of these great deals on flights from Guadalajara to England. Tip: verify your flight details before completing your reservation.
Tue 28/517:49GDL - LGW
1 stop29h 31mMultiple Airlines
Sun 2/620:40LGW - GDL
1 stop16h 05mMultiple Airlines
Deal found 15/5£875
Tue 21/515:14GDL - LHR
1 stop17h 46mAeromexico
Wed 5/612:55LHR - GDL
2 stops18h 38mAeromexico
Deal found 14/5£936
Tue 28/506:40GDL - LHR
2 stops17h 35mUnited Airlines
Sun 2/612:20LHR - GDL
2 stops30h 10mUnited Airlines
Deal found 15/5£970
Tue 21/506:40GDL - LHR
2 stops21h 00mUnited Airlines
Wed 5/612:15LHR - GDL
2 stops30h 15mUnited Airlines
Deal found 14/5£973
Tue 28/514:27GDL - LHR
1 stop14h 08mUnited Airlines
Tue 4/613:40LHR - GDL
1 stop14h 51mUnited Airlines
Deal found 15/5£1,010
Tue 28/512:35GDL - LHR
1 stop16h 00mUnited Airlines
Tue 4/608:30LHR - GDL
2 stops20h 01mUnited Airlines
Deal found 15/5£1,013
Tue 28/517:49GDL - LGW
2 stops34h 56mMultiple Airlines
Sun 2/613:00LGW - GDL
2 stops23h 45mMultiple Airlines
Deal found 15/5£1,015
Tue 28/506:40GDL - LHR
2 stops16h 15mUnited Airlines
Tue 4/608:30LHR - GDL
2 stops20h 01mUnited Airlines
Deal found 15/5£1,017
Tue 28/505:00GDL - LHR
1 stop18h 25mBritish Airways
Sun 2/612:00LHR - GDL
1 stop15h 30mBritish Airways
Deal found 15/5£1,033

One-way flights to England from Guadalajara

Search for one-way flight options from Guadalajara to England. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 849,850 searches. Data last updated 15 May 2024.
Some of the best available deals we've found on one-way flights from Guadalajara to England. Those needing a return flight from Guadalajara to England can use the search form above.
Wed 23/1006:15GDL - LHR
1 stop26h 45mAeromexico
Deal found 14/5£272
Thu 15/821:34GDL - LHR
1 stop35h 26mAeromexico
Deal found 15/5£279
Thu 15/819:09GDL - LHR
1 stop13h 51mAeromexico
Deal found 14/5£280
Sun 21/721:34GDL - LGW
2 stops26h 26mMultiple Airlines
Deal found 14/5£283
Thu 26/907:57GDL - LGW
1 stop19h 03mMultiple Airlines
Deal found 14/5£295
Thu 26/908:14GDL - LGW
1 stop15h 46mMultiple Airlines
Deal found 14/5£302
Fri 27/920:01GDL - LGW
2 stops30h 59mMultiple Airlines
Deal found 15/5£313
Tue 1/1020:51GDL - LGW
1 stop31h 04mMultiple Airlines
Deal found 15/5£314
Wed 25/923:47GDL - LGW
2 stops24h 13mMultiple Airlines
Deal found 15/5£317

Find flights from Guadalajara to England within your budget

Customise your flight search to find flights from Guadalajara to England that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 849,850 searches. Data last updated 15 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£614 - £990

Route

Depart

Return

Price

Guadalajara Miguel HidalLondon Heathrow

GDL - LHR

GDLLHR

Guadalajara Miguel Hidal

Fri 16/8

1 stop35h 26m

London Heathrow

Sun 1/9

1 stop16h 01m

£614

Guadalajara Miguel HidalLondon Gatwick

GDL - LGW

GDLLGW

Guadalajara Miguel Hidal

Fri 11/10

1 stop16h 55m

London Gatwick

Wed 16/10

1 stop25h 00m

£697

Guadalajara Miguel HidalManchester

GDL - MAN

GDLMAN

Guadalajara Miguel Hidal

Wed 14/8

2 stops20h 18m

Manchester

Wed 21/8

2 stops21h 00m

£715

Guadalajara Miguel HidalManchester

GDL - MAN

GDLMAN

Guadalajara Miguel Hidal

Wed 14/8

2 stops24h 35m

Manchester

Wed 21/8

3 stops21h 00m

£723

Guadalajara Miguel HidalLondon Heathrow

GDL - LHR

GDLLHR

Guadalajara Miguel Hidal

Thu 10/10

2 stops19h 10m

London Heathrow

Thu 17/10

2 stops25h 46m

£833

Guadalajara Miguel HidalLondon Heathrow

GDL - LHR

GDLLHR

Guadalajara Miguel Hidal

Mon 9/9

1 stop14h 52m

London Heathrow

Wed 2/10

2 stops25h 23m

£913

Guadalajara Miguel HidalLondon Heathrow

GDL - LHR

GDLLHR

Guadalajara Miguel Hidal

Wed 14/8

1 stop13h 50m

London Heathrow

Sat 24/8

1 stop19h 20m

£932

Guadalajara Miguel HidalLondon Heathrow

GDL - LHR

GDLLHR

Guadalajara Miguel Hidal

Tue 28/5

2 stops17h 35m

London Heathrow

Sun 2/6

2 stops30h 10m

£970

Guadalajara Miguel HidalLondon Heathrow

GDL - LHR

GDLLHR

Guadalajara Miguel Hidal

Tue 10/9

2 stops33h 03m

London Heathrow

Mon 30/9

2 stops30h 25m

£990

Flights are sorted by cheapest first

Deals found on 14/5

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing England

Get insights into the airlines that provide service to England. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to England. Reviews last updated 15 May 2024.
Peruse reviews from past customers who have flown with Aeromexico, Delta and British Airways from Guadalajara to England to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

Delta
8.0
Very Good
10,691 reviews
Delta
8.0
Very Good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

KLM
7.9
Good
1,568 reviews
Delta
8.0
Very Good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

AeroMexico Connect
7.8
Good
318 reviews
Delta
8.0
Very Good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

Virgin Atlantic
7.7
Good
736 reviews
Delta
8.0
Very Good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

Aeromexico
7.6
Good
2,535 reviews
Delta
8.0
Very Good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

Related info for your journey

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

  • What airport do you fly from for flights from Guadalajara to England?

    Located just 9.7 mi from the city center, Guadalajara Miguel Hidal (GDL) is the airport most travelers will use when flying to England from Guadalajara.

  • Can I find flights from Guadalajara to England for under £700 on Cheapflights?

    Yes, there are multiple flights from Guadalajara to England for under £700. The cheapest flight booked recently is on Aeromexico for just £614, but on average you can expect to pay £721.

  • Are there last-minute flights available from Guadalajara to England for under £900?

    There are currently 20+ open flights from Guadalajara to England within the next 7 days for less than £900.

  • What are the cheapest airlines to fly from Guadalajara to England one-way?

    One-way options have recently been found by users for as low as £272 on Aeromexico. Other airlines that offer cheap prices include Iberia from £363 and American Airlines from £370 one-way.

  • What are the most popular routes from Guadalajara to England?

    Most travelers choose Guadalajara Miguel Hidal - London Heathrow, Guadalajara Miguel Hidal - London Gatwick or Guadalajara Miguel Hidal - London City when deciding on the best route from Guadalajara to England.

  • What does GDL to LHR mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Guadalajara Miguel Hidal Airport to London Heathrow Airport flight would often be abbreviated as a GDL to LHR flight. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Manchester Airport (MAN), London Gatwick Airport (LGW), Birmingham Airport (BHX), London Stansted Airport (STN), Bristol Airport (BRS).

  • Can I find deals for flights from Guadalajara to England that include extra baggage allowance?

    The amount of baggage you can bring on your Guadalajara to England flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Guadalajara to England with specific airlines?

    Yes, Cheapflights allows you to browse and filter Guadalajara to England flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Guadalajara to England that include hotel bookings?

    Yes. In addition to deals on Guadalajara to England flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Guadalajara to England?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guadalajara to England.

  • Can I find deals for business class flights from Guadalajara to England?

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

  • Can I find deals for flights from Guadalajara to England that allow pets onboard?

    Many airlines flying from Guadalajara to England offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Guadalajara to England?

    Yes, you can often find last-minute deals on Guadalajara to England flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Guadalajara to England flight deals updated?

    The Guadalajara to England flight deals you see on this page were last updated on 15/5.

See more FAQs

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.
London Stansted Airport to Edinburgh flights
Manchester to Greece flights
London to Bristol flights
Bristol to Türkiye flights
Manchester to Edinburgh flights
Dublin to London Heathrow Airport flights
London to Bora Bora flights
Manchester to Isle of Man flights
Nottingham to Alicante flights
Manchester to Muscat flights
London to Sofia flights
Guadalajara to Scotland flights

Search flights from Guadalajara to England by cabin class

Find flights from Guadalajara to England, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to La Paz El Alto Intl
Flights to Lhasa
Flights to Abbotsford
Flights to Parikia Paros
Flights to Cagayan de Oro Laguindingan
Flights to Comiso
Flights to Monterey Regional
Flights to Antakya Hatay
Flights to Samarkand
Flights to Houmt Souk Melita
Flights to Yanbian Yanji Chaoyangchuan
Flights to Daraga Bicol Intl
Flights to Port Vila Bauerfield
Flights to Edremit/Korfez
Flights to Guilin
Flights to Erie
Flights to Mont Lubin Rodrigues Is
Flights to Şırnak Sirnak Serafettin Elci
Flights to Elazig
Flights to Reggio Calabria Tito Menniti
Flights to Malatya Erhac
Flights to Leh
Flights to Tulum Intl
Flights to Praya Lombok Intl

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Guadalajara to England?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Guadalajara to England. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Guadalajara to England?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to England from Guadalajara.

Can Cheapflights find flights from Guadalajara to England with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Guadalajara to England, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Guadalajara to England become cheaper?

Of course! You can now track prices for flights from Guadalajara to England and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines