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Cheap flights from the United States to London from $170

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to London departing on 12/12. 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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Find the cheapest flights from the United States to London

Recent round-trip flight deals from the United States to London

Enter your travel dates to find the best prices.
Aer Lingus Logo
5:45 pm - 10:10 am
EWR
-
LHR
11h 25m1 stop
Aer Lingus Logo
9:50 am - 4:15 pm
LHR
-
EWR
11h 25m1 stop
$492Aer Lingus
Thu, Jan 8 - Sun, Jan 11
TAP AIR PORTUGAL Logo
12:15 am - 8:35 pm
EWR
-
LGW
15h 20m1 stop
TAP AIR PORTUGAL Logo
9:05 am - 10:00 pm
LGW
-
EWR
17h 55m1 stop
$492TAP AIR PORTUGAL
Mon, Jan 12 - Sun, Jan 18
Icelandair Logo
7:35 pm - 10:50 am
EWR
-
LHR
10h 15m1 stop
Icelandair Logo
12:15 pm - 6:25 pm
LHR
-
EWR
11h 10m1 stop
$493Icelandair
Mon, Jan 19 - Tue, Feb 3
Icelandair Logo
7:35 pm - 10:55 am
EWR
-
LGW
10h 20m1 stop
Icelandair Logo
11:55 am - 6:25 pm
LGW
-
EWR
11h 30m1 stop
$493Icelandair
Sun, Jan 25 - Thu, Jan 29
United Airlines Logo
1:00 pm - 8:35 pm
EWR
-
LHR
26h 35m1 stop
United Airlines Logo
9:00 am - 8:30 pm
LHR
-
EWR
16h 30m1 stop
$496United Airlines
Tue, Dec 30 - Wed, Jan 28
United Airlines Logo
9:44 pm - 10:50 am
EWR
-
LHR
32h 06m1 stop
United Airlines Logo
9:00 am - 12:18 pm
LHR
-
EWR
32h 18m1 stop
$500United Airlines
Tue, Dec 30 - Fri, Jan 9
Delta Logo
7:10 pm - 6:50 am
BOS
-
LHR
6h 40mnonstop
Delta Logo
6:20 am - 1:40 pm
LHR
-
BOS
12h 20m1 stop
$506Delta
Wed, Dec 31 - Wed, Jan 14
Delta Logo
7:01 pm - 6:55 am
JFK
-
LHR
6h 54mnonstop
Delta Logo
10:00 am - 3:45 pm
LHR
-
JFK
10h 45m1 stop
$507Delta
Wed, Dec 31 - Tue, Feb 10
American Airlines Logo
1:00 pm - 8:40 am
LGA
-
LGW
14h 40m2 stops
American Airlines Logo
10:40 am - 11:43 pm
LGW
-
LGA
18h 03m2 stops
$516American Airlines
Wed, May 6 - Wed, May 20
British Airways Logo
9:45 pm - 10:00 am
IAD
-
LHR
7h 15mnonstop
British Airways Logo
4:25 pm - 7:55 pm
LHR
-
IAD
8h 30mnonstop
$582British Airways
Tue, Dec 30 - Tue, Jan 20

Icelandair flights from United States to Cambridge

Our best Icelandair deals on United States to Cambridge flight tickets
Icelandair
Jan 19
EWR7:35 pmNewark
10h 15m
1 stop
LHR10:50 amLondon Heathrow
Feb 3
LHR12:15 pmLondon Heathrow
11h 10m
1 stop
EWR6:25 pmNewark
$493
Find similar
Icelandair
Jan 11
EWR7:35 pmNewark
10h 15m
1 stop
LHR10:50 amLondon Heathrow
Jan 16
LHR12:15 pmLondon Heathrow
11h 10m
1 stop
EWR6:25 pmNewark
$494
Find similar
Icelandair
Dec 9
IAD7:40 pmWashington, D.C. Dulles Intl
10h 10m
1 stop
LHR10:50 amLondon Heathrow
Jan 19
LHR12:15 pmLondon Heathrow
11h 15m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$617
Find similar

United Airlines flights from United States to Cambridge

Our best United Airlines deals on United States to Cambridge flight tickets
United Airlines
Dec 10
EWR8:25 amNewark
7h 10m
LHR8:35 pmLondon Heathrow
Jan 13
LHR9:00 amLondon Heathrow
16h 30m
1 stop
EWR8:30 pmNewark
$496
Find similar
United Airlines
Dec 11
EWR8:10 pmNewark
32h 10m
1 stop
LHR9:20 amLondon Heathrow
Jan 15
LHR12:05 pmLondon Heathrow
13h 25m
1 stop
EWR8:30 pmNewark
$497
Find similar
United Airlines
Dec 10
EWR6:00 amNewark
23h 50m
1 stop
LHR10:50 amLondon Heathrow
Dec 13
LHR9:00 amLondon Heathrow
28h 39m
1 stop
EWR8:39 amNewark
$500
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States to Cambridge 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, momondo users made 832,500 searches. Data last updated December 6, 2025.
Use the filters below to find and compare flights from the United States to Cambridge that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 1/8

5:45 pm-10:10 am

1 stop11h 25m

London Heathrow

Sun 1/11

9:50 am-4:15 pm

1 stop11h 25m

$492

NewarkLondon

EWR - LGW

EWRLGW

Newark

Mon 1/12

12:15 am-8:35 pm

1 stop15h 20m

London Gatwick

Sun 1/18

9:05 am-10:00 pm

1 stop17h 55m

$492

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 1/19

7:35 pm-10:50 am

1 stop10h 15m

London Heathrow

Tue 2/3

12:15 pm-6:25 pm

1 stop11h 10m

$493

NewarkLondon

EWR - LGW

EWRLGW

Newark

Sun 1/25

7:35 pm-10:55 am

1 stop10h 20m

London Gatwick

Thu 1/29

11:55 am-6:25 pm

1 stop11h 30m

$493

NewarkLondon

EWR - LHR

EWRLHR

Newark

Tue 12/30

1:00 pm-8:35 pm

1 stop26h 35m

London Heathrow

Wed 1/28

9:00 am-8:30 pm

1 stop16h 30m

$496

NewarkLondon

EWR - LHR

EWRLHR

Newark

Tue 12/30

9:44 pm-10:50 am

1 stop32h 06m

London Heathrow

Fri 1/9

9:00 am-12:18 pm

1 stop32h 18m

$500

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 12/31

7:10 pm-6:50 am

Nonstop6h 40m

London Heathrow

Wed 1/14

6:20 am-1:40 pm

1 stop12h 20m

$506

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 12/31

7:01 pm-6:55 am

Nonstop6h 54m

London Heathrow

Tue 2/10

10:00 am-3:45 pm

1 stop10h 45m

$507

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

Wed 5/6

1:00 pm-8:40 am

2 stops14h 40m

London Gatwick

Wed 5/20

10:40 am-11:43 pm

2 stops18h 03m

$516

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 12/30

9:45 pm-10:00 am

Nonstop7h 15m

London Heathrow

Tue 1/20

4:25 pm-7:55 pm

Nonstop8h 30m

$582

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from United States to Cambridge

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

What is the cheapest month to fly to Cambridge?

In general, January is the cheapest month to fly from United States to Cambridge. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $414. If you’re not able to fly to Cambridge in January, then September is your next best option. Flight prices from United States to Cambridge during September average around $506.

What is the cheapest United States to Cambridge flight route?

Fly from New York John F Kennedy Intl to London Gatwick for the best United States - Cambridge flight prices

How far in advance should I book a flight to Cambridge?

You are more likely to see cheaper flights to Cambridge from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambridge for around $609 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambridge from United States for as low as $565 on momondo.

What cabin class options are available on United States to Cambridge flights?

There are 4 cabin classes available to choose from on United States to Cambridge flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Cambridge flights?

You could potentially save up to 57% on your flight if you consider stops on a United States to Cambridge flight.

Cheap United States to Cambridge flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Cambridge

Fastest flight time

6h 30m

Direct flights

Every day

Airports in Cambridge

2 airports
The fastest flight from United States to Cambridge takes 6h 30m
Direct flights go from United States to Cambridge every day.
There are 2 airports near Cambridge: London City (LCY), London Heathrow (LHR)
Search flight deals

  • When did momondo last update prices for flights from United States to Cambridge?

    Prices for flights from United States to Cambridge refresh daily.

  • How many operators does momondo search for flights from United States to Cambridge?

  • How old do you have to be to fly from United States to Cambridge?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Cambridge.

  • What documentation or ID do you need to fly to Cambridge?

    The travel and health documents required for your trip to Cambridge can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cambridge. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from United States to Cambridge?

Best airlines flying from United States to Cambridge

Compare and see reviews for airlines that fly from United States to Cambridge with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $45Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
Scandinavian AirlinesPriceFrom $213Free CancellationRating
7.4
1,596 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $293Free CancellationRating
7.1
2,082 reviews
Search TAP AIR PORTUGAL flights
SWISSPriceFrom $300Free CancellationRating
7.5
1,806 reviews
Search SWISS flights
Norse Atlantic UKPriceFrom $348Free CancellationRating
7.2
51 reviews
Search Norse Atlantic UK flights
LufthansaPriceFrom $370Free CancellationRating
6.8
7,616 reviews
Search Lufthansa flights
PLAYPriceFrom $380Free CancellationRating
7.0
103 reviews
Search PLAY flights
Air CanadaPriceFrom $382Free CancellationRating
7.1
10,512 reviews
Search Air Canada flights
KLMPriceFrom $387Free CancellationRating
7.7
1,430 reviews
Search KLM flights
FinnairPriceFrom $401Free CancellationRating
7.6
1,334 reviews
Search Finnair flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Cambridge?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United States to Cambridge. momondo saves you time and could save you money on your trip.

Can I find flights from United States to Cambridge with flexible booking policies on momondo?

Yes. All flights to Cambridge from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from United States to Cambridge?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cambridge from United States.

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

Yes momondo offers price alerts on flights to Cambridge from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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