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Cheap flights from Seattle to Cambridge from $202

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Cambridge departing on 8/6. 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 Seattle to London

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to London.
Icelandair Logo
3:45 pm - 2:40 pmSEA-LGW
14h 55m1 stop
Icelandair Logo
3:40 pm - 5:50 pmLGW-SEA
34h 10m1 stop
$504Icelandair
Find Deal
Tue, Sep 30 - Thu, Oct 9
Icelandair Logo
7:00 pm - 8:20 pmSEA-LHR
17h 20m1 stop
Icelandair Logo
9:25 pm - 5:50 pmLHR-SEA
28h 25m1 stop
$508Icelandair
Find Deal
Tue, Sep 30 - Thu, Oct 9
Iberia Logo
8:20 pm - 1:40 pmSEA-LHR
9h 20mnonstop
Iberia Logo
4:30 pm - 6:20 pmLHR-SEA
9h 50mnonstop
$568Iberia
Find Deal
Mon, Sep 22 - Tue, Oct 7
Iberia Logo
8:20 pm - 1:40 pmSEA-LHR
9h 20mnonstop
Iberia Logo
4:30 pm - 6:20 pmLHR-SEA
9h 50mnonstop
$580Iberia
Find Deal
Tue, May 13 - Tue, May 20
British Airways Logo
7:35 am - 6:25 amSEA-LHR
14h 50m1 stop
British Airways Logo
9:25 am - 11:10 amLHR-SEA
9h 45mnonstop
$587British Airways
Find Deal
Mon, Aug 11 - Tue, Aug 26
Delta Logo
8:20 pm - 2:15 pmSEA-LHR
9h 55mnonstop
Delta Logo
11:30 am - 5:25 pmLHR-SEA
13h 55m1 stop
$616Delta
Find Deal
Tue, May 13 - Wed, May 21
Delta Logo
1:30 pm - 3:40 pmSEA-LHR
18h 10m1 stop
Delta Logo
6:15 am - 5:25 pmLHR-SEA
19h 10m1 stop
$621Delta
Find Deal
Sun, May 4 - Wed, May 21
Virgin Atlantic Logo
5:45 am - 10:00 amSEA-LGW
20h 15m2 stops
Virgin Atlantic Logo
12:00 pm - 11:55 pmLGW-SEA
19h 55m2 stops
$652Virgin Atlantic
Find Deal
Sat, Aug 23 - Thu, Sep 4
Virgin Atlantic Logo
5:45 am - 10:00 amSEA-LGW
20h 15m2 stops
Virgin Atlantic Logo
12:00 pm - 10:53 pmLGW-SEA
18h 53m1 stop
$679Virgin Atlantic
Find Deal
Tue, Aug 12 - Wed, Sep 3
British Airways Logo
3:50 pm - 9:00 amSEA-LHR
33h 10m1 stop
British Airways Logo
9:25 am - 11:10 amLHR-SEA
9h 45mnonstop
$716British Airways
Find Deal
Sat, Sep 20 - Tue, Sep 30

Iberia flights from Seattle to Cambridge

Our best Iberia deals on Seattle to Cambridge flight tickets
Iberia
Sep 22
SEA8:20 pmSeattle/Tacoma Intl
9h 20m
LHR1:40 pmLondon Heathrow
Oct 7
LHR4:30 pmLondon Heathrow
9h 50m
SEA6:20 pmSeattle/Tacoma Intl
Iberia
May 13
SEA8:20 pmSeattle/Tacoma Intl
9h 20m
LHR1:40 pmLondon Heathrow
May 20
LHR4:30 pmLondon Heathrow
9h 50m
SEA6:20 pmSeattle/Tacoma Intl
Iberia
May 7
SEA1:30 pmSeattle/Tacoma Intl
9h 20m
LHR6:50 amLondon Heathrow
May 14
LHR9:50 amLondon Heathrow
9h 45m
SEA11:35 amSeattle/Tacoma Intl

Air Canada flights from Seattle to Cambridge

Our best Air Canada deals on Seattle to Cambridge flight tickets
Air Canada
May 7
SEA7:20 amSeattle/Tacoma Intl
18h 40m
1 stop
LHR10:00 amLondon Heathrow
May 14
LHR9:30 amLondon Heathrow
18h 07m
1 stop
SEA7:37 pmSeattle/Tacoma Intl
Air Canada
May 13
SEA7:20 amSeattle/Tacoma Intl
18h 40m
1 stop
LHR10:00 amLondon Heathrow
May 20
LHR8:45 amLondon Heathrow
18h 52m
2 stops
SEA7:37 pmSeattle/Tacoma Intl
Air Canada
May 4
SEA7:20 amSeattle/Tacoma Intl
18h 15m
2 stops
LHR9:35 amLondon Heathrow
May 21
LHR8:40 amLondon Heathrow
18h 57m
2 stops
SEA7:37 pmSeattle/Tacoma Intl

See travel insights to London from

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

What is the cheapest month to fly to Cambridge?

In general, October is the cheapest month to fly from Seattle to Cambridge. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $666. If you’re not able to fly to Cambridge in October, then January is your next best option. Flight prices from Seattle to Cambridge during January average around $669.

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 to Cambridge?

You are more likely to see cheaper flights to Cambridge from Seattle when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Cambridge for around $823 when searching 6 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 $776 on momondo.

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

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

Cheap Seattle to Cambridge flight deals and tips

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

Best Price Found

$202

Fastest flight time

9h 20m

Direct flights

Every day

Airports in Cambridge

3 airports
The best one-way flight to Cambridge from Seattle in the past 72 hours is $202. The best round-trip flight deal from Seattle to Cambridge found on momondo in the last 72 hours is $504.
The fastest flight from Seattle to Cambridge takes 9h 20m
Direct flights go from Seattle to Cambridge every day.
There are 3 airports near Cambridge: London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)

  • 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?

  • 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?


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
LufthansaPriceFrom $378Free CancellationRating
6.7
7,011 reviews
Search Lufthansa flights
IcelandairPriceFrom $504Free CancellationRating
7.0
481 reviews
Search Icelandair flights
United AirlinesPriceFrom $550Free CancellationRating
7.4
8,667 reviews
Search United Airlines flights
IberiaPriceFrom $581Free CancellationRating
7.0
2,674 reviews
Search Iberia flights
Aer LingusPriceFrom $583Free CancellationRating
7.0
1,063 reviews
Search Aer Lingus flights
FinnairPriceFrom $597Free CancellationRating
7.6
1,269 reviews
Search Finnair flights
KLMPriceFrom $598Free CancellationRating
7.8
1,327 reviews
Search KLM flights
Air FrancePriceFrom $615Free CancellationRating
7.5
1,435 reviews
Search Air France flights
DeltaPriceFrom $616Free CancellationRating
8.0
7,916 reviews
Search Delta flights
British AirwaysPriceFrom $621Free CancellationRating
6.6
6,771 reviews
Search British Airways 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.


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