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£47+ 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 10/2. 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
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Find flights from Delaware

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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 15 January 2026.

Fri 6/221:09
PHL
-
ORD
Nonstop2h 40m
Frontier
Sun 8/216:48
ORD
-
PHL
1 stop6h 33m
Frontier
Deal found 13/1£119
Wed 27/515:15
PHL
-
ORD
1 stop5h 11m
JetBlue
Tue 2/609:30
ORD
-
PHL
1 stop9h 00m
JetBlue
Deal found 14/1£121
Wed 27/515:15
PHL
-
ORD
1 stop5h 11m
JetBlue
Wed 3/609:30
ORD
-
PHL
1 stop9h 00m
JetBlue
Deal found 14/1£129
Sat 28/205:30
PHL
-
ORD
1 stop6h 21m
Frontier
Sat 7/316:44
ORD
-
PHL
1 stop13h 23m
Frontier
Deal found 14/1£137
Thu 5/213:10
PHL
-
ORD
Nonstop2h 30m
United Airlines
Sun 8/211:20
ORD
-
PHL
Nonstop2h 11m
United Airlines
Deal found 12/1£161
Fri 6/219:50
PHL
-
ORD
Nonstop2h 42m
American Airlines
Sun 8/208:09
ORD
-
PHL
Nonstop2h 01m
American Airlines
Deal found 14/1£162
Thu 5/206:30
PHL
-
ORD
Nonstop2h 28m
United Airlines
Thu 5/214:30
ORD
-
PHL
Nonstop2h 04m
United Airlines
Deal found 14/1£169
Tue 31/311:36
PHL
-
ORD
Nonstop2h 28m
United Airlines
Fri 3/411:05
ORD
-
PHL
Nonstop2h 11m
United Airlines
Deal found 13/1£170
Fri 20/315:36
PHL
-
ORD
1 stop6h 34m
Delta
Mon 23/317:59
ORD
-
PHL
1 stop5h 58m
Delta
Deal found 14/1£176
Wed 25/316:42
PHL
-
GLA
2 stops14h 03m
British Airways
Tue 31/307:00
GLA
-
PHL
2 stops16h 55m
British Airways
Deal found 13/1£391
Tue 10/207:50
PHL
-
EDI
2 stops29h 35m
Multiple Airlines
Mon 16/222:30
EDI
-
PHL
3 stops21h 17m
Multiple Airlines
Deal found 13/1£394
Sat 14/219:21
PHL
-
GLA
2 stops22h 09m
British Airways
Tue 3/307:25
GLA
-
PHL
1 stop13h 50m
British Airways
Deal found 13/1£403

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 15 January 2026. 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

Wed 27/5

15:15-19:26

1 stop5h 11m

Chicago O'Hare Intl

Wed 3/6

09:30-19:30

1 stop9h 00m

£129

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Mon 2/2

13:10-14:40

Nonstop2h 30m

Chicago O'Hare Intl

Tue 3/2

14:30-17:34

Nonstop2h 04m

£161

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 5/2

10:10-11:38

Nonstop2h 28m

Chicago O'Hare Intl

Sat 7/2

18:20-21:36

Nonstop2h 16m

£161

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 10/3

08:00-09:33

Nonstop2h 33m

Chicago O'Hare Intl

Fri 13/3

11:20-14:24

Nonstop2h 04m

£170

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 17/3

09:41-13:17

1 stop4h 36m

Chicago O'Hare Intl

Wed 18/3

09:50-16:33

1 stop5h 43m

£176

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Sat 7/2

09:40-13:08

1 stop4h 28m

Chicago O'Hare Intl

Sat 7/2

17:35-23:13

1 stop4h 38m

£191

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 3/4

16:55-18:23

Nonstop2h 28m

Chicago O'Hare Intl

Sat 11/4

11:05-14:16

Nonstop2h 11m

£200

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Wed 28/1

06:30-07:59

Nonstop2h 29m

Chicago O'Hare Intl

Sat 31/1

14:30-17:34

Nonstop2h 04m

£206

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 30/1

13:10-14:40

Nonstop2h 30m

Chicago O'Hare Intl

Sun 1/2

18:20-21:36

Nonstop2h 16m

£206

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 4/6

12:06-17:24

1 stop6h 18m

Chicago O'Hare Intl

Sun 7/6

18:39-11:08

1 stop15h 29m

£219

Flights are sorted by cheapest return flights first.

Deals found on 15/1

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

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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 15 January 2026.

  • 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 £388 round trip
    Travel from Philadelphia to Glasgow from £391 round trip
    Travel from Philadelphia to Edinburgh from £394 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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