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Cheap flights from Seattle to Cambridge from $228

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 3/3. 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

These are some of the best round-trip flight deals from Seattle to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to London.

Cheap last minute flights

Planning a quick getaway from Seattle to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to London

Find recent round-trip train or bus tickets from Seattle to London.

All round-trip flight deals from Seattle to London

The cheapest plane tickets from Seattle to London found on KAYAK recently.
7:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
3:00 pm - 5:55 pmLHR-SEA
9h 55mnonstop
$411Iberia
Find Deal
dom., mar. 16 - mié., mar. 26
2:35 pm - 10:55 amSEA-LGW
12h 20m1 stop
11:55 am - 6:00 pmLGW-SEA
13h 05m1 stop
$435Icelandair
Find Deal
mar., mar. 4 - mié., mar. 12
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
6:20 am - 12:55 pmLHR-SEA
13h 35m1 stop
$549Virgin Atlantic
Find Deal
mar., mar. 4 - mié., mar. 12
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
6:20 am - 12:20 pmLHR-SEA
13h 00m1 stop
$587Virgin Atlantic
Find Deal
mar., mar. 4 - mar., mar. 11
7:00 am - 6:20 amSEA-LHR
15h 20m1 stop
9:25 am - 11:20 amLHR-SEA
9h 55mnonstop
$612British Airways
Find Deal
mar., feb. 25 - mar., mar. 4
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
6:30 am - 11:46 amLHR-SEA
13h 16m1 stop
$613Delta
Find Deal
lun., feb. 10 - jue., feb. 20
1:30 pm - 10:00 amSEA-LHR
12h 30m1 stop
6:30 am - 11:46 amLHR-SEA
13h 16m1 stop
$617Delta
Find Deal
lun., feb. 10 - vie., feb. 21
7:00 am - 6:20 amSEA-LHR
15h 20m1 stop
7:40 pm - 11:07 pmLHR-SEA
34h 27m2 stops
$630British Airways
Find Deal
lun., mar. 3 - lun., mar. 10
12:40 am - 7:30 amSEA-LGW
22h 50m2 stops
12:30 pm - 12:50 pmLGW-SEA
31h 20m2 stops
$635American Airlines
Find Deal
lun., mar. 3 - mié., mar. 12
5:22 am - 7:30 amSEA-LGW
18h 08m2 stops
12:30 pm - 12:56 amLGW-SEA
20h 26m2 stops
$636American Airlines
Find Deal
mar., feb. 11 - jue., feb. 27
8:44 pm - 12:50 pmSEA-LHR
56h 06m2 stops
lun., mar. 3
3:15 pm - 12:50 pmSEA-LHR
13h 35m1 stop
$233WestJet
Find Deal
mar., ene. 28
2:35 pm - 10:55 amSEA-LGW
12h 20m1 stop
$265Icelandair
Find Deal
lun., feb. 17
2:35 pm - 10:50 amSEA-LHR
12h 15m1 stop
$265Icelandair
Find Deal
lun., feb. 17
8:20 pm - 1:40 pmSEA-LHR
9h 20mnonstop
$398British Airways
Find Deal
lun., abr. 21
10:55 pm - 8:10 pmSEA-LHR
13h 15m1 stop
$409Delta
Find Deal
sáb., feb. 15
7:55 pm - 1:30 pmSEA-LHR
9h 35mnonstop
$422Virgin Atlantic
Find Deal
jue., abr. 3
8:20 pm - 1:40 pmSEA-LHR
9h 20mnonstop
$426British Airways
Find Deal
sáb., mar. 29
2:09 pm - 4:35 pmSEA-LCY
18h 26m1 stop
$443Delta
Find Deal
lun., feb. 17
5:35 pm - 4:40 pmSEA-LCY
15h 05m1 stop
$449Virgin Atlantic
Find Deal
mar., abr. 8
2:35 pm - 10:55 amSEA-LGW
12h 20m1 stop
11:55 am - 5:00 pmLGW-SEA
13h 05m1 stop
$480Icelandair
Find Deal
jue., ene. 23 - jue., ene. 30
2:35 pm - 10:50 amSEA-LHR
12h 15m1 stop
8:40 pm - 5:00 pmLHR-SEA
28h 20m1 stop
$482Icelandair
Find Deal
jue., ene. 23 - jue., ene. 30
2:35 pm - 10:50 amSEA-LHR
12h 15m1 stop
12:15 pm - 5:00 pmLHR-SEA
12h 45m1 stop
$484Icelandair
Find Deal
jue., ene. 23 - mar., ene. 28
7:04 pm - 12:40 pmSEA-LHR
9h 36mnonstop
6:30 am - 11:51 amLHR-SEA
13h 21m1 stop
$827KLM
Find Deal
mié., ene. 22 - mié., ene. 29
1:30 pm - 10:00 amSEA-LHR
12h 30m1 stop
6:30 am - 11:51 amLHR-SEA
13h 21m1 stop
$831KLM
Find Deal
mié., ene. 22 - mié., ene. 29
7:30 am - 7:05 amSEA-LHR
15h 35m1 stop
6:30 am - 11:51 amLHR-SEA
13h 21m1 stop
$832Delta
Find Deal
mié., ene. 22 - mié., ene. 29
7:04 pm - 12:40 pmSEA-LHR
9h 36mnonstop
12:40 pm - 2:40 pmLHR-SEA
10h 00mnonstop
$839Delta
Find Deal
mié., ene. 22 - jue., ene. 30
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
1:05 pm - 3:05 pmLHR-SEA
10h 00mnonstop
$940Virgin Atlantic
Find Deal
sáb., ene. 25 - sáb., feb. 1
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
7:35 pm - 12:14 pmLHR-SEA
24h 39m1 stop
$1,042Virgin Atlantic
Find Deal
mié., ene. 22 - mar., ene. 28
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
$2,187Iberia
Find Deal
mié., ene. 22 - mar., ene. 28
7:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
3:00 pm - 5:55 pmLHR-SEA
9h 55mnonstop
$411Iberia
Find Deal
dom., mar. 16 - mié., mar. 26
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
9:25 am - 12:20 pmLHR-SEA
9h 55mnonstop
$528Iberia
Find Deal
lun., mar. 3 - mar., mar. 18
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
3:50 pm - 7:05 pmLHR-SEA
10h 15mnonstop
$560Virgin Atlantic
Find Deal
mar., mar. 4 - mié., mar. 12
6:50 pm - 12:15 pmSEA-LHR
9h 25mnonstop
3:00 pm - 4:55 pmLHR-SEA
9h 55mnonstop
$602British Airways
Find Deal
lun., feb. 24 - mié., mar. 5
1:30 pm - 6:50 amSEA-LHR
9h 20mnonstop
9:25 am - 11:10 amLHR-SEA
9h 45mnonstop
$603British Airways
Find Deal
mar., abr. 8 - mar., abr. 29
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
1:15 pm - 3:15 pmLHR-SEA
10h 00mnonstop
$605Virgin Atlantic
Find Deal
lun., feb. 3 - mar., feb. 18
5:45 pm - 11:10 amSEA-LHR
9h 25mnonstop
3:50 pm - 6:11 pmLHR-SEA
10h 21mnonstop
$625Delta
Find Deal
mié., feb. 12 - mié., feb. 19
7:55 pm - 1:30 pmSEA-LHR
9h 35mnonstop
5:00 pm - 7:35 pmLHR-SEA
10h 35mnonstop
$628Delta
Find Deal
mar., abr. 15 - mié., may. 7
7:55 pm - 1:30 pmSEA-LHR
9h 35mnonstop
5:00 pm - 7:35 pmLHR-SEA
10h 35mnonstop
$678KLM
Find Deal
mié., abr. 9 - vie., may. 2
7:55 pm - 1:30 pmSEA-LHR
9h 35mnonstop
5:00 pm - 7:35 pmLHR-SEA
10h 35mnonstop
$788KLM
Find Deal
sáb., may. 10 - lun., may. 19

Delta flights from Seattle to Cambridge

Our best Delta deals on Seattle to Cambridge flight tickets
Delta
Feb 10
SEA5:45 pmSeattle/Tacoma Intl
9h 25m
LHR11:10 amLondon Heathrow
Feb 20
LHR6:30 amLondon Heathrow
13h 16m
1 stop
SEA11:46 amSeattle/Tacoma Intl
Delta
Feb 10
SEA1:30 pmSeattle/Tacoma Intl
12h 30m
1 stop
LHR10:00 amLondon Heathrow
Feb 21
LHR6:30 amLondon Heathrow
13h 16m
1 stop
SEA11:46 amSeattle/Tacoma Intl
Delta
Feb 1
SEA10:55 pmSeattle/Tacoma Intl
13h 15m
1 stop
LHR8:10 pmLondon Heathrow
Feb 12
LHR6:30 amLondon Heathrow
13h 16m
1 stop
SEA11:46 amSeattle/Tacoma Intl

Lufthansa flights from Seattle to Cambridge

Our best Lufthansa deals on Seattle to Cambridge flight tickets
Lufthansa
Apr 15
SEA10:35 amSeattle/Tacoma Intl
18h 45m
1 stop
LHR1:20 pmLondon Heathrow
May 6
LHR6:30 amLondon Heathrow
23h 43m
2 stops
SEA10:13 pmSeattle/Tacoma Intl
Lufthansa
Feb 9
SEA10:35 amSeattle/Tacoma Intl
14h 45m
2 stops
LHR9:20 amLondon Heathrow
Feb 20
LHR6:30 amLondon Heathrow
13h 40m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Lufthansa
Apr 8
SEA10:35 amSeattle/Tacoma Intl
18h 45m
1 stop
LHR1:20 pmLondon Heathrow
May 2
LHR10:50 amLondon Heathrow
14h 09m
1 stop
SEA4:59 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 $668. 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 $674.

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 $832 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 $764 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

$228

Fastest flight time

9h 20m

Direct flights

Every day

Airports in Cambridge

4 airports
The best one-way flight to Cambridge from Seattle in the past 72 hours is $228. The best round-trip flight deal from Seattle to Cambridge found on momondo in the last 72 hours is $411.
The fastest flight from Seattle to Cambridge takes 9h 20m
Direct flights go from Seattle to Cambridge every day.
There are 4 airports near Cambridge: London Heathrow (LHR), London Luton (LTN), 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 $384Free CancellationRating
6.7
7,111 reviews
Search Lufthansa flights
FinnairPriceFrom $493Free CancellationRating
7.6
1,286 reviews
Search Finnair flights
IcelandairPriceFrom $498Free CancellationRating
7.1
502 reviews
Search Icelandair flights
IberiaPriceFrom $582Free CancellationRating
7.0
2,646 reviews
Search Iberia flights
Air FrancePriceFrom $588Free CancellationRating
7.4
1,490 reviews
Search Air France flights
Aer LingusPriceFrom $588Free CancellationRating
7.1
1,082 reviews
Search Aer Lingus flights
KLMPriceFrom $597Free CancellationRating
7.8
1,341 reviews
Search KLM flights
American AirlinesPriceFrom $599Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $599Free CancellationRating
8.0
8,521 reviews
Search Delta flights
Virgin AtlanticPriceFrom $606Free CancellationRating
7.5
665 reviews
Search Virgin Atlantic 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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