How many flights depart from Washington, D.C. to Cambridge on average per day?

30 flights are operational daily from Washington, D.C. to Cambridge as of August 2026. The most popular departure time for this route is 10:00PM, with 84% of flights per day taking off in the evening.

What is the cheapest airline that flies from Washington, D.C. to Cambridge?

Icelandair, British Airways, and United Airlines are the most popular carriers operating from Washington, D.C. to Cambridge

What airlines fly to Cambridge?

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Cambridge from Washington, D.C. according to our data. British Airways is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Cambridge. Keep in mind that there are 18 different airlines that fly to Cambridge on a routine basis, so you have a few additional options to choose from.

How many flights depart from Washington, D.C. to Cambridge on average per week?

The number of flights available between Washington, D.C. and Cambridge is 212 per week as of August 2026. The most frequent departure day is Fri, with 17% of weekly flights leaving on this day.

How long is the flight from Washington, D.C. to Cambridge?

The flight from Washington, D.C. to Cambridge depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Copenhagen (the most popular airport in Cambridge), then the flight time is 9h 12m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Copenhagen, then the average flight time is 10h 05m.

When did momondo last update prices for flights from Washington, D.C. to Cambridge?

Prices for flights from Washington, D.C. to Cambridge are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. to Cambridge?

There are 18 operators available for flights from Washington, D.C. to Cambridge as of August 2026.

How old do you have to be to fly from Washington, D.C. to Cambridge?

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 Washington, D.C. to Cambridge.

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

The travel and health documents you'll need for your trip to Cambridge may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cambridge. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$208 Cheap Flights from Washington, D.C. to Cambridge in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 pm - 12:50 am

IAD

STN

23h 30m

2 stops

6:35 pm - 5:00 pm

STN

IAD

27h 25m

2 stops

$619Multiple Airlines

Mon, Sep 21 - Tue, Sep 29

5:25 pm - 9:50 am

IAD

LGW

11h 25m

1 stop

10:40 am - 8:35 pm

LGW

IAD

14h 55m

1 stop

$619TAP AIR PORTUGAL

Sat, Nov 28 - Sun, Dec 6

8:20 pm - 1:35 pm

IAD

LHR

12h 15m

1 stop

10:20 am - 5:15 pm

LHR

IAD

11h 55m

1 stop

$619Scandinavian Airlines

Fri, Oct 9 - Thu, Nov 5

10:35 pm - 11:45 pm

IAD

LTN

20h 10m

2 stops

1:40 pm - 3:10 pm

LTN

IAD

30h 30m

2 stops

$619Multiple Airlines

Tue, Sep 15 - Tue, Sep 29

10:35 pm - 3:35 pm

IAD

LGW

12h 00m

1 stop

4:25 pm - 3:10 pm

LGW

IAD

27h 45m

1 stop

$619TAP AIR PORTUGAL

Mon, Sep 21 - Tue, Sep 29

8:20 pm - 1:35 pm

IAD

LHR

12h 15m

1 stop

6:40 am - 5:15 pm

LHR

IAD

15h 35m

1 stop

$624Scandinavian Airlines

Fri, Oct 9 - Mon, Nov 2

8:30 pm - 11:55 am

IAD

LHR

10h 25m

1 stop

12:15 pm - 6:30 pm

LHR

IAD

11h 15m

1 stop

$625Icelandair

Thu, Oct 8 - Sun, Nov 1

8:30 pm - 11:55 am

IAD

LHR

10h 25m

1 stop

12:15 pm - 6:30 pm

LHR

IAD

11h 15m

1 stop

$626Icelandair

Thu, Oct 8 - Fri, Nov 6

6:00 am - 8:52 pm

DCA

LHR

9h 52m

1 stop

12:20 pm - 10:59 pm

LHR

DCA

15h 39m

1 stop

$697JetBlue

Thu, Jan 14 - Mon, Jan 18

5:59 pm - 9:35 am

DCA

LGW

10h 36m

1 stop

12:20 pm - 7:09 pm

LGW

DCA

11h 49m

1 stop

$752JetBlue

Thu, Aug 27 - Thu, Sep 3

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Scandinavian Airlines flights from Washington, D.C. to Cambridge

Our best Scandinavian Airlines deals on Washington, D.C. to Cambridge flight tickets

Scandinavian Airlines

Oct 9

IAD8:20 pmWashington, D.C. Dulles Intl

12h 15m

1 stop

LHR1:35 pmLondon Heathrow

Nov 5

LHR10:20 amLondon Heathrow

11h 55m

1 stop

IAD5:15 pmWashington, D.C. Dulles Intl

$619

Scandinavian Airlines

Sep 30

IAD8:20 pmWashington, D.C. Dulles Intl

20h 00m

2 stops

LHR9:20 pmLondon Heathrow

Oct 6

LHR9:05 pmLondon Heathrow

24h 55m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$640

Scandinavian Airlines

Sep 17

IAD8:20 pmWashington, D.C. Dulles Intl

32h 00m

1 stop

LHR9:20 amLondon Heathrow

Sep 20

LHR6:40 amLondon Heathrow

39h 20m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$641

JetBlue flights from Washington, D.C. to Cambridge

Our best JetBlue deals on Washington, D.C. to Cambridge flight tickets

JetBlue

Jan 14

DCA6:00 amWashington, D.C. Reagan-National

9h 52m

1 stop

LHR8:52 pmLondon Heathrow

Jan 18

LHR12:20 pmLondon Heathrow

15h 39m

1 stop

DCA10:59 pmWashington, D.C. Reagan-National

$697

JetBlue

Aug 27

DCA5:59 pmWashington, D.C. Reagan-National

10h 36m

1 stop

LGW9:35 amLondon Gatwick

Sep 3

LGW12:20 pmLondon Gatwick

11h 49m

1 stop

DCA7:09 pmWashington, D.C. Reagan-National

$752

JetBlue

Aug 18

DCA5:00 pmWashington, D.C. Reagan-National

11h 35m

1 stop

LGW9:35 amLondon Gatwick

Sep 1

LGW12:20 pmLondon Gatwick

11h 49m

1 stop

DCA7:09 pmWashington, D.C. Reagan-National

$753

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Cambridge that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 9/21

8:20 pm-12:50 am

2 stops23h 30m

London Stansted

Tue 9/29

6:35 pm-5:00 pm

2 stops27h 25m

$619

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 11/28

5:25 pm-9:50 am

1 stop11h 25m

London Gatwick

Sun 12/6

10:40 am-8:35 pm

1 stop14h 55m

$619

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 10/9

8:20 pm-1:35 pm

1 stop12h 15m

London Heathrow

Thu 11/5

10:20 am-5:15 pm

1 stop11h 55m

$619

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 9/15

10:35 pm-11:45 pm

2 stops20h 10m

London Luton

Tue 9/29

1:40 pm-3:10 pm

2 stops30h 30m

$619

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 9/21

10:35 pm-3:35 pm

1 stop12h 00m

London Gatwick

Tue 9/29

4:25 pm-3:10 pm

1 stop27h 45m

$619

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 10/9

8:20 pm-1:35 pm

1 stop12h 15m

London Heathrow

Mon 11/2

6:40 am-5:15 pm

1 stop15h 35m

$624

Quickest round-trip

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 10/8

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Sun 11/1

12:15 pm-6:30 pm

1 stop11h 15m

$625

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 10/8

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Fri 11/6

12:15 pm-6:30 pm

1 stop11h 15m

$626

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Thu 1/14

6:00 am-8:52 pm

1 stop9h 52m

London Heathrow

Mon 1/18

12:20 pm-10:59 pm

1 stop15h 39m

$697

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 8/27

5:59 pm-9:35 am

1 stop10h 36m

London Gatwick

Thu 9/3

12:20 pm-7:09 pm

1 stop11h 49m

$752

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 Washington, D.C. 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

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Cambridge?

Prices are currently low for flights on this route.

Typical prices usually range from $663 to $977.
The lowest price recently found on this route was $619.

What is the cheapest Washington, D.C. to Cambridge flight route?

Fly from Washington, D.C. Dulles Intl to London Heathrow for the best Washington, D.C. - Cambridge flight prices

How far in advance should I book a flight from Washington, D.C. to Cambridge?

You are more likely to see cheaper flights to Cambridge from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambridge for around $855 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambridge from Washington, D.C. for as low as $780 on momondo.

What cabin class options are available on Washington, D.C. to Cambridge flights?

There are 4 cabin classes available to choose from on Washington, D.C. 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 Washington, D.C. to Cambridge flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Cambridge.

Cheap Washington, D.C. to Cambridge flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Cambridge

Fastest flight time	7h 05m
Direct flights	Every day
Airports in Cambridge	6 airports

The fastest flight from Washington, D.C. to Cambridge takes 7h 05m

Direct flights go from Washington, D.C. to Cambridge every day.

There are 6 airports in Cambridge. From Washington, D.C. there are direct flights to London Heathrow (LHR).

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Cambridge

When did momondo last update prices for flights from Washington, D.C. to Cambridge?
Prices for flights from Washington, D.C. to Cambridge are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Cambridge?
There are 18 operators available for flights from Washington, D.C. to Cambridge as of August 2026.
How old do you have to be to fly from Washington, D.C. to Cambridge?
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 Washington, D.C. to Cambridge.
What documentation or ID do you need to fly to Cambridge?
The travel and health documents you'll need for your trip to Cambridge may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cambridge. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. to Cambridge?
Based on momondo bookings for flights between Washington, D.C. and Cambridge, the leading plane model is Airbus A320-100/200, making up 12.57% of the total bookings. Other popular models include Airbus A320neo with 11.18%, Airbus A321neo with 11.06%, and Boeing 777 with 9.23%.

Best airlines flying from Washington, D.C. to Cambridge

Compare and see reviews for airlines that fly from Washington, D.C. to Cambridge with momondo

Airline	Rating	Free Cancellation	Price
TAP AIR PORTUGAL	PriceFrom $309	Free Cancellation	Rating 7.2 2,356 reviews	Search TAP AIR PORTUGAL flights
Virgin Atlantic	PriceFrom $374	Free Cancellation	Rating 7.5 694 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 10,059 reviews	Search United Airlines flights
Icelandair	PriceFrom $465	Free Cancellation	Rating 6.9 720 reviews	Search Icelandair flights
British Airways	PriceFrom $529	Free Cancellation	Rating 6.7 8,148 reviews	Search British Airways flights
Delta	PriceFrom $530	Free Cancellation	Rating 7.8 8,480 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $560	Free Cancellation	Rating 7.4 1,913 reviews	Search Scandinavian Airlines flights
Air Canada	PriceFrom $577	Free Cancellation	Rating 7.1 11,423 reviews	Search Air Canada flights
Air France	PriceFrom $581	Free Cancellation	Rating 7.5 1,633 reviews	Search Air France flights
Iberia	PriceFrom $584	Free Cancellation	Rating 7.0 3,266 reviews	Search Iberia flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Cambridge?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Cambridge. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Cambridge with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Cambridge on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Cambridge?

momondo helps you find the best flight between Washington, D.C. and Cambridge by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Cambridge right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Cambridge now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cambridge and let you know when they change.