What airlines fly to Cambridge?

Delta, British Airways and Virgin Atlantic are the top three most popular airlines that fly to Cambridge from Seattle according to our data. Delta is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Cambridge. Keep in mind that there are 13 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 Seattle to Cambridge on average per week?

As of June 2026, 125 flights take off from Seattle and land in Cambridge each week. The most common flight departure day for this route is Tue, with 18% of weekly flights taking off on this day.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Cambridge?

Icelandair, KLM, and JetBlue are the most popular carriers operating from Seattle/Tacoma Intl to Cambridge

How many flights depart from Seattle to Cambridge on average per day?

17 flights are operational daily from Seattle to Cambridge as of June 2026. The most popular departure time for this route is 1:00PM, with 70% of flights per day taking off in the evening.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Cambridge?

Prices for flights from Seattle/Tacoma Intl Airport to Cambridge are refreshed on a daily basis.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Cambridge?

As of June 2026, there are 13 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Cambridge.

How old do you have to be to fly from Seattle/Tacoma Intl Airport 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 Seattle/Tacoma Intl Airport to Cambridge.

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

The necessary travel and health documents for your Cambridge trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$292 Cheap Flights from Seattle to Cambridge in 2026

Q: What is the typical price of a round-trip flight between Seattle and Cambridge?

Prices are currently low for flights on this route. Typical prices usually range from $749 to $1,153. The lowest price recently found on this route was $692.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 6:50 pm

SEA

STN

26h 50m

2 stops

10:05 pm - 4:59 pm

STN

SEA

26h 54m

2 stops

$692Multiple Airlines

Mon, Aug 17 - Thu, Aug 27

3:40 pm - 8:10 pm

SEA

LGW

20h 30m

2 stops

9:20 am - 11:45 am

LGW

SEA

34h 25m

2 stops

$692Multiple Airlines

Mon, Aug 17 - Mon, Aug 31

3:40 pm - 12:30 am

SEA

LTN

24h 50m

2 stops

6:00 am - 6:45 pm

LTN

SEA

44h 45m

3 stops

$693Multiple Airlines

Fri, Jul 24 - Sat, Aug 15

6:05 pm - 6:50 pm

SEA

LGW

16h 45m

1 stop

10:25 am - 3:55 pm

LGW

SEA

13h 30m

1 stop

$694Condor

Tue, Oct 20 - Tue, Nov 3

7:00 pm - 8:35 pm

SEA

LGW

17h 35m

3 stops

9:20 am - 5:55 pm

LGW

SEA

16h 35m

2 stops

$695Multiple Airlines

Wed, Aug 19 - Thu, Aug 27

3:40 pm - 11:55 am

SEA

LHR

12h 15m

1 stop

12:15 pm - 5:00 pm

LHR

SEA

12h 45m

1 stop

$696Icelandair

Wed, Oct 21 - Thu, Jan 7

3:40 pm - 2:40 pm

SEA

LGW

15h 00m

1 stop

6:00 am - 6:45 pm

LGW

SEA

44h 45m

3 stops

$696Multiple Airlines

Sat, Sep 19 - Tue, Sep 29

3:55 pm - 4:25 pm

SEA

LHR

16h 30m

2 stops

10:20 am - 11:20 pm

LHR

SEA

21h 00m

2 stops

$698Scandinavian Airlines

Fri, Oct 2 - Sun, Oct 4

3:35 pm - 10:55 am

SEA

LGW

12h 20m

1 stop

11:55 am - 5:00 pm

LGW

SEA

13h 05m

1 stop

$700Icelandair

Wed, Oct 28 - Wed, Nov 18

1:45 pm - 9:30 am

SEA

LCY

11h 45m

1 stop

9:20 am - 4:35 pm

LCY

SEA

15h 15m

1 stop

$877KLM

Sun, Oct 4 - Thu, Oct 15

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Scandinavian Airlines flights from Seattle to Cambridge

Our best Scandinavian Airlines deals on Seattle to Cambridge flight tickets

Scandinavian Airlines

Sep 15

SEA3:55 pmSeattle/Tacoma Intl

17h 45m

1 stop

LHR5:40 pmLondon Heathrow

Oct 3

LHR6:40 amLondon Heathrow

15h 05m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$718

Scandinavian Airlines

Sep 6

SEA3:55 pmSeattle/Tacoma Intl

16h 30m

2 stops

LHR4:25 pmLondon Heathrow

Sep 12

LHR6:40 amLondon Heathrow

15h 05m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$732

Scandinavian Airlines

Sep 8

SEA3:55 pmSeattle/Tacoma Intl

16h 30m

2 stops

LHR4:25 pmLondon Heathrow

Sep 18

LHR7:30 pmLondon Heathrow

26h 15m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$733

Icelandair flights from Seattle to Cambridge

Our best Icelandair deals on Seattle to Cambridge flight tickets

Icelandair

Oct 28

SEA3:35 pmSeattle/Tacoma Intl

12h 20m

1 stop

LGW10:55 amLondon Gatwick

Nov 18

LGW11:55 amLondon Gatwick

13h 05m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$700

Icelandair

Dec 16

SEA2:35 pmSeattle/Tacoma Intl

12h 20m

1 stop

LGW10:55 amLondon Gatwick

Dec 25

LGW11:55 amLondon Gatwick

13h 05m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$701

Icelandair

Aug 3

SEA3:40 pmSeattle/Tacoma Intl

12h 15m

1 stop

LHR11:55 amLondon Heathrow

Aug 19

LHR9:25 pmLondon Heathrow

22h 20m

1 stop

SEA11:45 amSeattle/Tacoma Intl

$705

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Mon 8/17

8:00 am-6:50 pm

2 stops26h 50m

London Stansted

Thu 8/27

10:05 pm-4:59 pm

2 stops26h 54m

$692

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 8/17

3:40 pm-8:10 pm

2 stops20h 30m

London Gatwick

Mon 8/31

9:20 am-11:45 am

2 stops34h 25m

$692

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 7/24

3:40 pm-12:30 am

2 stops24h 50m

London Luton

Sat 8/15

6:00 am-6:45 pm

3 stops44h 45m

$693

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 10/20

6:05 pm-6:50 pm

1 stop16h 45m

London Gatwick

Tue 11/3

10:25 am-3:55 pm

1 stop13h 30m

$694

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 8/19

7:00 pm-8:35 pm

3 stops17h 35m

London Gatwick

Thu 8/27

9:20 am-5:55 pm

2 stops16h 35m

$695

Quickest round-trip

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 10/21

3:40 pm-11:55 am

1 stop12h 15m

London Heathrow

Thu 1/7

12:15 pm-5:00 pm

1 stop12h 45m

$696

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sat 9/19

3:40 pm-2:40 pm

1 stop15h 00m

London Gatwick

Tue 9/29

6:00 am-6:45 pm

3 stops44h 45m

$696

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Fri 10/2

3:55 pm-4:25 pm

2 stops16h 30m

London Heathrow

Sun 10/4

10:20 am-11:20 pm

2 stops21h 00m

$698

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 10/28

3:35 pm-10:55 am

1 stop12h 20m

London Gatwick

Wed 11/18

11:55 am-5:00 pm

1 stop13h 05m

$700

SeattleLondon

SEA - LCY

SEALCY

Seattle/Tacoma Intl

Sun 10/4

1:45 pm-9:30 am

1 stop11h 45m

London City

Thu 10/15

9:20 am-4:35 pm

1 stop15h 15m

$877

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 Seattle 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 Seattle and Cambridge?

What is the cheapest Seattle/Tacoma Intl to Cambridge flight route?

Fly from Seattle/Tacoma Intl to London Heathrow for the best Seattle/Tacoma Intl - Cambridge flight prices

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

You are more likely to see cheaper flights to Cambridge from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambridge for around $836 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambridge from Seattle for as low as $724 on momondo.

What cabin class options are available on Seattle to Cambridge flights?

There are 4 cabin classes available to choose from on Seattle 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 Seattle to Cambridge flights?

You could potentially save up to 37% on your flight if you consider stops on a Seattle to Cambridge flight.

Cheap Seattle to Cambridge flight deals and tips

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

Fastest flight time	9h 15m
Direct flights	Every day
Airports in Cambridge	6 airports

The fastest flight from Seattle to Cambridge takes 9h 15m

Direct flights go from Seattle to Cambridge every day.

There are 6 airports in Cambridge. From Seattle there are direct flights to London Heathrow (LHR).

Search flight deals

Frequently asked questions about flying from Seattle to Cambridge

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Cambridge?
Prices for flights from Seattle/Tacoma Intl Airport to Cambridge are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Cambridge?
As of June 2026, there are 13 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Cambridge.
How old do you have to be to fly from Seattle/Tacoma Intl Airport 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 Seattle/Tacoma Intl Airport to Cambridge.
What documentation or ID do you need to fly to Cambridge?
The necessary travel and health documents for your Cambridge trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Cambridge?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Cambridge is Boeing 737-800 Passenger/BBJ2 (winglets), representing 15.99% of all bookings. The subsequent popular models are Airbus A321neo at 15.01%, Boeing 737-900 at 9.02%, and Boeing 737 MAX 8 at 8.05%.

Best airlines flying from Seattle to Cambridge

Compare and see reviews for airlines that fly from Seattle to Cambridge with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom $480	Free Cancellation	Rating 7.3 1,634 reviews	Search Aer Lingus flights
Icelandair	PriceFrom $484	Free Cancellation	Rating 7.0 694 reviews	Search Icelandair flights
American Airlines	PriceFrom $515	Free Cancellation	Rating 7.1 11,766 reviews	Search American Airlines flights
Air France	PriceFrom $517	Free Cancellation	Rating 7.5 1,616 reviews	Search Air France flights
British Airways	PriceFrom $517	Free Cancellation	Rating 6.7 8,087 reviews	Search British Airways flights
Delta	PriceFrom $540	Free Cancellation	Rating 7.8 8,454 reviews	Search Delta flights
United Airlines	PriceFrom $547	Free Cancellation	Rating 7.4 9,910 reviews	Search United Airlines flights
Finnair	PriceFrom $560	Free Cancellation	Rating 7.6 1,415 reviews	Search Finnair flights
Virgin Atlantic	PriceFrom $565	Free Cancellation	Rating 7.5 689 reviews	Search Virgin Atlantic flights
Alaska Airlines	PriceFrom $630	Free Cancellation	Rating 7.9 12,602 reviews	Search Alaska Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Cambridge for you.

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

All flight searches from Seattle to Cambridge on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle 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 Seattle.

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

If you are not ready to book a flight from Seattle 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.