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 206 per week as of September 2026. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.

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

JetBlue, Delta, and United Airlines are the most popular carriers operating from Washington, D.C. to Cambridge

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 35m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Copenhagen, then the average flight time is 10h 05m.

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 50% 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 day?

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

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 September 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.

$236 Cheap Flights from Washington, D.C. to Cambridge in 2026/27

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.

7:40 pm - 7:30 pmIAD Washington, D.C. Dulles Intl-LHR London Heathrow

18h 50m1 stop Reykjavik Keflavik Intl

12:15 pm - 6:30 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

11h 15m1 stop Reykjavik Keflavik Intl

$615Icelandair

Fri, Jan 15 - Wed, Jan 20

9:45 am - 11:40 amIAD Washington, D.C. Dulles Intl-STN London Stansted

20h 55m2 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas

10:25 am - 6:00 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

35h 35m2 stops Madrid Barajas Zurich

$633Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

5:15 pm - 9:15 amIAD Washington, D.C. Dulles Intl-LTN London Luton

11h 00m1 stop Dublin

7:45 am - 4:45 pmLTN London Luton-IAD Washington, D.C. Dulles Intl

13h 00m1 stop Dublin

$657Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

9:05 pm - 12:40 pmIAD Washington, D.C. Dulles Intl-LHR London Heathrow

10h 35m1 stop Dublin

12:10 pm - 8:20 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

12h 10m1 stop Dublin

$673Aer Lingus

Tue, Oct 20 - Tue, Oct 27

8:20 pm - 9:45 pmIAD Washington, D.C. Dulles Intl-LHR London Heathrow

20h 25m1 stop Zurich

6:00 am - 5:00 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

16h 00m1 stop Zurich

$683SWISS

Wed, Oct 21 - Wed, Nov 4

9:10 pm - 4:20 pmIAD Washington, D.C. Dulles Intl-LHR London Heathrow

15h 10m1 stop Zurich

6:00 am - 5:00 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

16h 00m1 stop Zurich

$683SWISS

Mon, Oct 26 - Tue, Nov 3

11:20 pm - 2:40 pmBWI Baltimore/Washington-LGW London Gatwick

10h 20m1 stop Reykjavik Keflavik Intl

11:55 am - 6:40 pmLGW London Gatwick-BWI Baltimore/Washington

11h 45m1 stop Reykjavik Keflavik Intl

$690Icelandair

Tue, Oct 13 - Wed, Nov 11

12:50 pm - 6:30 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

12h 40m1 stop Ottawa

2:05 pm - 9:50 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

12h 45m1 stop Montreal Pierre Elliott Trudeau Intl

$691Air Canada

Mon, Oct 5 - Thu, Oct 15

8:50 pm - 11:25 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

9h 35m1 stop Dublin

8:50 am - 3:45 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

11h 55m1 stop Dublin

$692Aer Lingus

Wed, Nov 18 - Tue, Nov 24

12:55 pm - 6:30 amDCA Washington, D.C. Reagan-National-LHR London Heathrow

12h 35m1 stop Ottawa

1:00 pm - 9:59 pmLHR London Heathrow-DCA Washington, D.C. Reagan-National

13h 59m1 stop Montreal Pierre Elliott Trudeau Intl

$705Air Canada

Mon, Nov 9 - Tue, Nov 24

Cheap last minute flights

Enter your travel dates to find the best prices.

8:20 pm - 5:50 pmIAD Washington, D.C. Dulles Intl-LGW London Gatwick

16h 30m1 stop Zurich

9:25 am - 4:45 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

12h 20m1 stop Zurich

$683SWISS

Tue, Sep 22 - Tue, Sep 29

4:00 pm - 4:50 pmIAD Washington, D.C. Dulles Intl-STN London Stansted

19h 50m2 stops Toronto Pearson Intl Madrid Barajas

3:55 pm - 1:30 pmSTN London Stansted-IAD Washington, D.C. Dulles Intl

26h 35m2 stops Madrid Barajas Brussels Bruxelles-National

$683Multiple Airlines

Sun, Sep 20 - Tue, Sep 29

8:20 pm - 7:20 pmIAD Washington, D.C. Dulles Intl-LHR London Heathrow

18h 00m1 stop Zurich

8:40 am - 4:45 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

13h 05m1 stop Zurich

$683SWISS

Mon, Sep 21 - Wed, Sep 30

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

3:50 pm - 7:15 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

$686Air France

Sun, Sep 20 - Tue, Sep 29

9:45 am - 7:05 pmIAD Washington, D.C. Dulles Intl-LTN London Luton

28h 20m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Madrid Barajas

8:00 am - 8:25 pmLTN London Luton-IAD Washington, D.C. Dulles Intl

17h 25m2 stops Madrid Barajas Toronto Pearson Intl

$692Multiple Airlines

Mon, Sep 21 - Wed, Sep 30

5:15 pm - 8:05 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

9h 50m1 stop Dublin

12:00 pm - 7:35 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

12h 35m1 stop Dublin

$696Aer Lingus

Sun, Sep 20 - Tue, Sep 29

8:55 pm - 12:40 pmIAD Washington, D.C. Dulles Intl-LHR London Heathrow

10h 45m1 stop Dublin

1:25 pm - 7:25 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

11h 00m1 stop Dublin

$696Aer Lingus

Sun, Sep 20 - Fri, Oct 2

5:45 pm - 6:20 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

10:50 am - 6:50 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

13h 00m1 stop Madrid Barajas

$703British Airways

Mon, Sep 21 - Thu, Oct 8

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

11:30 am - 7:35 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

13h 05m1 stop Paris Charles de Gaulle

$718Air France

Mon, Sep 21 - Tue, Sep 29

5:45 pm - 6:20 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

5:05 pm - 8:20 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 15mnonstop

$721British Airways

Tue, Sep 22 - Tue, Sep 29

Cheap direct flights

Enter your travel dates to find the best prices.

6:05 pm - 6:15 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 10mnonstop

4:25 pm - 7:55 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

$696Iberia

Wed, Jan 6 - Wed, Jan 13

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

3:50 pm - 7:15 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

$704KLM

Mon, Oct 5 - Thu, Oct 15

10:25 pm - 10:50 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 25mnonstop

5:05 pm - 8:20 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 15mnonstop

$704British Airways

Tue, Oct 6 - Thu, Oct 15

6:05 pm - 6:15 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 10mnonstop

4:25 pm - 7:55 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

$709Finnair

Wed, Dec 9 - Wed, Dec 16

9:45 pm - 10:00 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 15mnonstop

4:25 pm - 7:55 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

$709Finnair

Tue, Dec 1 - Tue, Dec 8

6:55 pm - 7:05 amBWI Baltimore/Washington-LHR London Heathrow

7h 10mnonstop

1:50 pm - 5:05 pmLHR London Heathrow-BWI Baltimore/Washington

8h 15mnonstop

$711British Airways

Fri, Jan 15 - Tue, Jan 19

10:05 pm - 10:40 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 35mnonstop

3:50 pm - 7:15 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

$714Virgin Atlantic

Sun, Oct 11 - Tue, Oct 20

6:55 pm - 7:20 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 25mnonstop

1:20 pm - 5:00 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 40mnonstop

$714Virgin Atlantic

Mon, Nov 9 - Wed, Nov 18

9:45 pm - 10:00 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 15mnonstop

4:25 pm - 7:55 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

$716Iberia

Mon, Nov 16 - Wed, Dec 2

6:55 pm - 7:20 amIAD Washington, D.C. Dulles Intl-LHR London Heathrow

7h 25mnonstop

1:20 pm - 5:00 pmLHR London Heathrow-IAD Washington, D.C. Dulles Intl

8h 40mnonstop

$731KLM

Wed, Nov 18 - Tue, Nov 24

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Icelandair flights from Washington, D.C. to Cambridge

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

Icelandair

Oct 12

BWI8:30 pmBaltimore/Washington

10h 25m

1 stop

LHR11:55 amLondon Heathrow

Nov 6

LHR12:15 pmLondon Heathrow

11h 25m

1 stop

BWI6:40 pmBaltimore/Washington

$690

Icelandair

Oct 12

BWI8:30 pmBaltimore/Washington

13h 10m

1 stop

LGW2:40 pmLondon Gatwick

Nov 6

LGW11:55 amLondon Gatwick

11h 45m

1 stop

BWI6:40 pmBaltimore/Washington

$691

Icelandair

Nov 25

BWI7:40 pmBaltimore/Washington

18h 50m

1 stop

LHR7:30 pmLondon Heathrow

Jan 30

LHR12:15 pmLondon Heathrow

11h 25m

1 stop

BWI6:40 pmBaltimore/Washington

$692

Iberia flights from Washington, D.C. to Cambridge

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

Iberia

Nov 18

IAD6:05 pmWashington, D.C. Dulles Intl

7h 10m

LHR6:15 amLondon Heathrow

Nov 25

LHR7:35 amLondon Heathrow

13h 45m

1 stop

IAD4:20 pmWashington, D.C. Dulles Intl

$698

Iberia

Nov 30

IAD9:45 pmWashington, D.C. Dulles Intl

7h 15m

LHR10:00 amLondon Heathrow

Dec 9

LHR7:35 amLondon Heathrow

13h 45m

1 stop

IAD4:20 pmWashington, D.C. Dulles Intl

$699

Iberia

Sep 27

IAD5:00 pmWashington, D.C. Dulles Intl

11h 30m

1 stop

LHR9:30 amLondon Heathrow

Oct 7

LHR7:50 amLondon Heathrow

12h 40m

1 stop

IAD3:30 pmWashington, D.C. Dulles Intl

$702

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 Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Fri 1/15

7:40 pm-7:30 pm

1 stop18h 50m

London Heathrow

Wed 1/20

12:15 pm-6:30 pm

1 stop11h 15m

$615

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - STN London Stansted

IADSTN

Washington, D.C. Dulles Intl

Tue 10/20

9:45 am-11:40 am

2 stops20h 55m

London Stansted

Tue 10/27

10:25 am-6:00 pm

2 stops35h 35m

$633

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LTN London Luton

IADLTN

Washington, D.C. Dulles Intl

Tue 10/20

5:15 pm-9:15 am

1 stop11h 00m

London Luton

Tue 10/27

7:45 am-4:45 pm

1 stop13h 00m

$657

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Tue 10/20

9:05 pm-12:40 pm

1 stop10h 35m

London Heathrow

Tue 10/27

12:10 pm-8:20 pm

1 stop12h 10m

$673

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 10/21

8:20 pm-9:45 pm

1 stop20h 25m

London Heathrow

Wed 11/4

6:00 am-5:00 pm

1 stop16h 00m

$683

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Mon 10/26

9:10 pm-4:20 pm

1 stop15h 10m

London Heathrow

Tue 11/3

6:00 am-5:00 pm

1 stop16h 00m

$683

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Tue 10/13

11:20 pm-2:40 pm

1 stop10h 20m

London Gatwick

Wed 11/11

11:55 am-6:40 pm

1 stop11h 45m

$690

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Mon 10/5

12:50 pm-6:30 am

1 stop12h 40m

London Heathrow

Thu 10/15

2:05 pm-9:50 pm

1 stop12h 45m

$691

Quickest round-trip

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 11/18

8:50 pm-11:25 am

1 stop9h 35m

London Heathrow

Tue 11/24

8:50 am-3:45 pm

1 stop11h 55m

$692

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Mon 11/9

12:55 pm-6:30 am

1 stop12h 35m

London Heathrow

Tue 11/24

1:00 pm-9:59 pm

1 stop13h 59m

$705

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 $690 to $1,065.
The lowest price recently found on this route was $615.

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

Fly from Baltimore/Washington 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 $904 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 $856 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

Best Price Found	$236
Fastest flight time	7h 10m
Direct flights	Every day
Airports in Cambridge	6 airports

The best one-way flight to Cambridge from Washington, D.C. in the past 72 hours is $236. The best round-trip flight deal from Washington, D.C. to Cambridge found on momondo in the last 72 hours is $615.

The fastest flight from Washington, D.C. to Cambridge takes 7h 10m

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 September 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 12.84% of the total bookings. Other popular models include Airbus A320neo with 11.74%, Airbus A321neo with 10.43%, and Boeing 777 with 9.24%.

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 2,385 reviews	Search TAP AIR PORTUGAL flights
Virgin Atlantic	PriceFrom $449	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
Icelandair	PriceFrom $465	Free Cancellation	Rating 6.9 746 reviews	Search Icelandair flights
Iberia	PriceFrom $484	Free Cancellation	Rating 7.0 3,249 reviews	Search Iberia flights
Delta	PriceFrom $508	Free Cancellation	Rating 7.8 8,587 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $571	Free Cancellation	Rating 7.4 1,984 reviews	Search Scandinavian Airlines flights
Air Canada	PriceFrom $577	Free Cancellation	Rating 7.1 11,648 reviews	Search Air Canada flights
Air France	PriceFrom $581	Free Cancellation	Rating 7.5 1,651 reviews	Search Air France flights
British Airways	PriceFrom $591	Free Cancellation	Rating 6.7 8,228 reviews	Search British Airways flights
SWISS	PriceFrom $593	Free Cancellation	Rating 7.5 2,074 reviews	Search SWISS 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.