Category: <span>United Kingdom</span>

Aer Lingus Airfare Deals Flights from Los Angeles London United Kingdom

Aer Lingus Airfare Deals British Airways Flights from Denver London Oneworld United Kingdom

Airfare Deals Alaska Airlines American Airlines British Airways Flights from Los Angeles Iberia London Oneworld United Kingdom

Airfare Deals Flights from Atlanta London Scandinavian Airlines United Kingdom

Icelandair has round-trip flights from Denver (DEN) to London or Milan (LHR, MXP) for $481-$508 with a connection. Flights October to March. Extended weekends available.

An overnight stay in Reykjavik is required on the return leg of the trip, but I know some of you know how to make good use of a layover in Iceland.

Click for more details and booking links Cheap Flights: Denver to London or Milan $481-$508 r/t [October-March] (An overnight stay in Reykjavik is required) – Icelandair / Skyscanner / Kayak

Airfare Deals Flights from Denver IcelandAir London United Kingdom

Airfare Deals Flights from Los Angeles London Norse Atlantic UK United Kingdom

Airfare Deals British Airways Finnair Flights from Atlanta Iberia London Oneworld United Kingdom

British Airways, American Airlines, Finnair and Aer Lingus have round-trip flights from Denver (DEN) to London, United Kingdom (LHR) for $594, NONSTOP. Flights August, September, November, January, and February. Departures on Monday, Tuesday, Wednesday, and Sunday. 7-day minimum stay required. No Thanksgiving dates.

Click for more details and booking links Nonstop Flights: Denver to London, United Kingdom $594 r/t [Aug-Sep, Nov, Jan-Feb] (No Thanksgiving) – British Airways / American Airlines / Finnair / Aer Lingus

Aer Lingus Airfare Deals American Airlines British Airways Finnair Flights from Denver London Oneworld United Kingdom

Scandinavian Airlines has round-trip flights from Atlanta (ATL) to London, United Kingdom (LHR) for $496 with a connection. Flights October, November, January, February, and March. Departures on Monday, Tuesday, and Wednesday. No Thanksgiving dates.

Some small OTAs on Skyscanner have this for as low as $478; which is cheaper than the airline.

Click for more details and booking links Cheap Flights: Atlanta to London, United Kingdom $478-$496 r/t [Oct-Nov, Jan-Mar] (No Thanksgiving) – Scandinavian Airlines

Airfare Deals Flights from Atlanta London Scandinavian Airlines United Kingdom

Airfare Deals Flights from Los Angeles London Norse Atlantic UK United Kingdom

Icelandair has round-trip flights from Seattle (SEA) to London, United Kingdom (LGW/LHR) for $553-$566 with a connection. Flights April, May, September, October, November, December, January, and February. Extended weekends available. No Christmas dates available.

Some small OTAs on Skyscanner have this for as low as $525; which is cheaper than the airline.

Click for more details and booking links Cheap Flights: Seattle to London, United Kingdom $525-$566 r/t [Apr-May, Sep-Feb] (No Christmas) – Icelandair

Airfare Deals Flights from Seattle IcelandAir London United Kingdom

Airfare Deals Flights from Los Angeles London Norse Atlantic UK United Kingdom

Icelandair has round-trip flights from Seattle (SEA) to London, Prague, Helsinki, or Berlin (LGW/LHR, PRG, HEL, BER) for $495-$591 with a connection. Flight dates vary depending on the destination, with most dates falling between March to May and also August to November, see example dates for exact dates. Some dates over Thanksgiving are available for Berlin.

Some small OTAs on Skyscanner have this for as low as $467; which is cheaper than the airline.

Click for more details and booking links Cheap Flights: Seattle to London, Prague, Helsinki, or Berlin $467-$591 r/t [Mar-May, Aug-Nov] – Icelandair

Airfare Deals Flights from Seattle IcelandAir London United Kingdom

Airfare Deals British Airways Finnair Flights from Phoenix Iberia London Oneworld United Kingdom

Updated 02/22/2025 @ 05:25 PM CT: Oneworld is matching with NONSTOP flights. Added those to the example dates section. This looks like a Skyteam / Oneworld price war.

[02/22/2025 @ 03:31 PM CT] Deal EXPIRED or REMOVED by Airline. If it goes back online we will send out another notification.

American, British Airways, Delta, and Virgin Atlantic have round-trip flights from Portland (PDX) to London, United Kingdom (LHR) for $472-$496 NONSTOP or with a connection. Flights March, April, May, September, and October. Extended weekends available.

A Carry-on bag and also a personal item is allowed for free on Delta. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.

Click for more details and booking links Nonstop Flights: Portland to London, United Kingdom $472-$496 r/t [Mar-May, Sep-Oct] – Skyteam vs Oneworld

Airfare Deals Delta Flights from Portland London SkyTeam United Kingdom Virgin Atlantic

American Airlines, Finnair, British Airways, and various other airlines have round-trip flights from Chicago (ORD) to London, United Kingdom (LHR) for $599-$602, NONSTOP. Flights March to April. Departures on Monday, Tuesday, Wednesday, and Sunday. 7-day minimum stay required.

We’ve covered cheaper deals with connections or in the colder months, but I think this is worth mentioning for the April Nonstops.

A Carry-on bag and also a personal item is allowed for free on American. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.

Click for more details and booking links Nonstop Flights: Chicago to London, United Kingdom $599-$602 r/t [March-April] – American Airlines / Finnair / British Airways

Airfare Deals Alaska Airlines American Airlines British Airways Finnair Flights from Chicago / Milwaukee London Oneworld United Kingdom

British Airways, Finnair, American Airlines, and various other airlines have round-trip flights from Seattle or Portland (SEA, PDX) to London, United Kingdom (LHR) for $596-$599, NONSTOP. Flights March to April. Departures on Monday, Tuesday, Wednesday, and Sunday. 7-day minimum stay required.

This is part of a larger European Airfare sale that we mentioned earlier. There are many other European fares on sale.

A Carry-on bag and also a personal item is allowed for free. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.

Click for more details and booking links Nonstop Flights: Seattle and Portland to London, United Kingdom $596-$599 r/t [March-April] – British Airways / Finnair / American Airlines

Airfare Deals Alaska Airlines American Airlines British Airways Finnair Flights from Portland Flights from Seattle London Oneworld United Kingdom

Icelandair has round-trip flights from Portland (PDX) to London, Helsinki, or Frankfurt (LGW/LHR, HEL, FRA) for $517-$549 with a connection. Flights in May. Very few extended weekends available.

Some small OTAs on Skyscanner and Google have this for cheaper than the airline. If you plan on booking there, beware of any site that charges a fee to cancel a ticket within the 24-hour “free” period. Use unknown booking sites at your own risk.

A Carry on bag (20-lbs @ 21.6 x 15.7 x 7.8 inches) and a personal item (15.7 x 11.8 x 5.9 inches) is allowed for free on Icelandair. You can avoid seat selection fees by accepting the randomly assigned seat at the gate.

Icelandair offers free stopovers, which good if you want spend a few nights in Reykjavik. More details are on their website (link).

Click for more details and booking links Cheap Flights: Portland to London, Helsinki, or Frankfurt $495-$549 r/t [May] – Icelandair

Airfare Deals Flights from Portland IcelandAir London United Kingdom

Icelandair has round-trip flights from Seattle (SEA) to London or Paris (LGW/LHR, CDG) for $568-$577 with a connection. Flights January to April. Extended weekends available.

Some small OTAs on Skyscanner have this for as low as $516; which is cheaper than the airline. If you plan on booking there, beware of any site that charges a fee to cancel a ticket within the 24-hour “free” period. Use unknown booking sites at your own risk.

A Carry on bag (20-lbs @ 21.6 x 15.7 x 7.8 inches) and a personal item (15.7 x 11.8 x 5.9 inches) is allowed for free on Icelandair. You can avoid seat selection fees by accepting the randomly assigned seat at the gate.

Icelandair offers free stopovers, which good if you want spend a few nights in Reykjavik. More details are on their website (link).

Click for more details and booking links Cheap Flights: Seattle to Paris or London $474-$577 r/t [January-April] – Icelandair / Skyscanner

Airfare Deals Flights from Seattle IcelandAir London United Kingdom

JetBlue has round-trip flights from Chicago (ORD) to London, United Kingdom (LHR) for $425-$439 with a connection. Flights January to February. Departures on Monday and Tuesday.

JetBlue’s “Basic” fares allow for a carry-on bag and a small personal item (17 x 13 x 8 inches), like a Jansport SuperBreak backpack without a fee. You can avoid seat selection fees by accepting the randomly assigned seat at the gate.

Click for more details and booking links Cheap Flights: Chicago to London, United Kingdom $425-$439 r/t [January-February] – JetBlue

Airfare Deals Flights from Chicago / Milwaukee JetBlue London United Kingdom