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£49+ Cheap flights from Delaware

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/1. 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.
ILG — LHR
11 tammi — 18 tammi1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from Delaware
Explore the most affordable flight options available from Delaware. Find the lowest fares based on data from user searches, with prices last updated on 12 joulukuu 2025.

la 24/108:20PHL - ORD
1 stop13h 43mSpirit Airlines
la 31/107:20ORD - PHL
1 stop11h 41mSpirit Airlines
Deal found 10/12£94
su 25/105:30PHL - ORD
1 stop9h 07mFrontier
su 1/216:33ORD - PHL
1 stop6h 56mFrontier
Deal found 11/12£96
la 14/210:06PHL - ORD
Nonstop2h 33mUnited Airlines
la 14/214:10ORD - PHL
Nonstop2h 04mUnited Airlines
Deal found 11/12£100
ti 13/113:10PHL - ORD
Nonstop2h 30mUnited Airlines
ti 20/108:56ORD - PHL
Nonstop2h 11mUnited Airlines
Deal found 9/12£104
la 24/110:35PHL - ORD
Nonstop2h 42mAmerican Airlines
la 31/117:26ORD - PHL
Nonstop1h 59mAmerican Airlines
Deal found 10/12£105
to 1/106:35PHL - ORD
Nonstop2h 28mUnited Airlines
ti 6/114:30ORD - PHL
Nonstop2h 04mUnited Airlines
Deal found 10/12£111
la 31/106:30PHL - ORD
Nonstop2h 29mUnited Airlines
su 1/208:56ORD - PHL
Nonstop2h 11mUnited Airlines
Deal found 10/12£118
ti 6/106:30PHL - ORD
Nonstop2h 28mUnited Airlines
ke 7/114:30ORD - PHL
Nonstop2h 03mUnited Airlines
Deal found 10/12£119
ma 4/515:15PHL - ORD
1 stop5h 11mJetBlue
ti 5/509:30ORD - PHL
1 stop9h 00mJetBlue
Deal found 10/12£122
su 25/122:45PHL - ORD
2 stops13h 37mMultiple Airlines
su 1/216:33ORD - PHL
1 stop6h 56mMultiple Airlines
Deal found 11/12£125
ke 7/110:10PHL - ORD
Nonstop2h 28mUnited Airlines
su 11/118:20ORD - PHL
Nonstop2h 16mUnited Airlines
Deal found 10/12£125
ti 10/213:10PHL - ORD
Nonstop2h 30mUnited Airlines
to 12/207:25ORD - PHL
Nonstop1h 59mUnited Airlines
Deal found 11/12£126

Find flights from Delaware within your budget

 
Find flights departing from Delaware that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 12 joulukuu 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

la 10/1

10:10-11:38

Nonstop2h 28m

Chicago O'Hare Intl

la 17/1

14:30-17:34

Nonstop2h 04m

£104

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

ke 31/12

06:35-08:03

Nonstop2h 28m

Chicago O'Hare Intl

to 1/1

11:00-14:11

Nonstop2h 11m

£104

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

ma 26/1

17:00-18:30

Nonstop2h 30m

Chicago O'Hare Intl

la 31/1

11:20-14:31

Nonstop2h 11m

£118

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

ma 4/5

15:15-19:26

1 stop5h 11m

Chicago O'Hare Intl

ti 5/5

09:30-19:30

1 stop9h 00m

£122

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

ke 7/1

10:10-11:38

Nonstop2h 28m

Chicago O'Hare Intl

su 11/1

18:20-21:36

Nonstop2h 16m

£125

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

pe 23/1

06:30-07:59

Nonstop2h 29m

Chicago O'Hare Intl

su 25/1

18:20-21:36

Nonstop2h 16m

£132

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

to 25/12

06:35-08:03

Nonstop2h 28m

Chicago O'Hare Intl

ke 31/12

14:25-17:28

Nonstop2h 03m

£156

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

ti 14/4

06:00-10:44

1 stop5h 44m

Chicago O'Hare Intl

pe 17/4

18:26-00:13

1 stop4h 47m

£176

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

ti 24/2

10:06-11:39

Nonstop2h 33m

Chicago O'Hare Intl

su 1/3

07:25-10:24

Nonstop1h 59m

£199

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

ke 31/12

06:35-08:03

Nonstop2h 28m

Chicago O'Hare Intl

su 4/1

18:15-21:31

Nonstop2h 16m

£208

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 60 results
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Best time to book a flight from Delaware

Have a flexible travel schedule? Discover the best time to fly from Delaware with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Delaware

Get recent, data-driven insights about flights from Delaware including ideal travel times, pricing trends, and more.
No data available for this route at this time. Please check back soon.

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Direct flights from USA

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Direct flights from Philadelphia

Related info for your journey

Access useful and relevant information related to your journey from Delaware. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 12 joulukuu 2025.

  • Where are the cheapest places to fly to from Delaware?

    Check out the cheapest flights from Delaware to embark to:
    Travel from Philadelphia to London from £387 round trip
    Travel from Philadelphia to Edinburgh from £468 round trip

  • How does Cheapflights help users find flights from Delaware?

    When you search for this flight from Delaware, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from Delaware?

    Millions of users choose and trust Cheapflights to book the best flight deals from Delaware for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

  • Can Cheapflights find flights from Delaware with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Delaware flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from Delaware become cheaper?

    Not ready to book yet? You can track prices for flights from Delaware on Cheapflights with our Price Alerts feature and get notified when better prices are available.

See more FAQs

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 Delaware?

When you search for this flight from Delaware, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Delaware for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Delaware with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Delaware flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Delaware become cheaper?

Not ready to book yet? You can track prices for flights from Delaware on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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