Cheap flights from Washington, D.C. to London from $189
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to London departing on 7/29. 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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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
What is the typical price of a round-trip flight between Washington, D.C. and Cambridge?
What is the cheapest month to fly to Cambridge?
In general, January is the cheapest month to fly from Washington, D.C. to Cambridge. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $643. If you’re not able to fly to Cambridge in January, then October is your next best option. Flight prices from Washington, D.C. to Cambridge during October average around $653.
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 to Cambridge?
You are more likely to see cheaper flights to Cambridge from Washington, D.C. when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Cambridge for around $769 when searching 15 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 $707 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.
What is the cheapest airline that flies from Washington, D.C. to Cambridge?
Icelandair, TAP AIR PORTUGAL, and PLAY are the most popular carriers operating from Washington, D.C. to Cambridge
What airlines fly to Cambridge?
British Airways, Iberia and United 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 46% of people opting to fly with this airline when traveling to Cambridge. Keep in mind that there are 17 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?
30 flights are operational daily from Washington, D.C. to Cambridge as of June 2025. The most popular departure time for this route is 10:00PM, with 71% of flights per day taking off in the evening.
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 216 per week as of June 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.
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
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 17 operators available for flights from Washington, D.C. to Cambridge as of June 2025.
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 A320neo, making up 14.76% of the total bookings. Other popular models include Boeing 777 with 11.58%, Boeing 737 MAX 8 with 6.92%, and Boeing 737-900 with 6.80%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $369 | Free Cancellation | Rating 7.0 102 reviews | |||
| PriceFrom $394 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom $421 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $435 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom $486 | Free Cancellation | Rating 7.1 1,885 reviews | |||
| PriceFrom $549 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $552 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $555 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom $562 | Free Cancellation | Rating 7.0 2,776 reviews | |||
| PriceFrom $572 | Free Cancellation | Rating 7.5 1,623 reviews |
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.