Find Cheap Flights from Montreal (YMQ) to London (YXU)

We offer a number of discount and savings opportunities to our customers. When searching for airfares, discount and savings claims are based on multiple factors, including searching over 600 airlines to find the lowest available fare. Coupon codes are valid for savings for qualified bookings off our standard service fees. Seniors and youth may find specific discounted fares offered by certain airlines subject to airline qualifications. Military, bereavement and visually impaired travelers are eligible for discounts off our post-booking service fees as outlined in our our compassion exception policy.

Claims of savings on average of $131 per traveler or 34% savings as compared to published fares are based on review of private non-published airfares booked as compared to available published fares. Last date of comparison – May 15, 2021. Where otherwise indicated, discounts and savings claims are based off of comparing the average fares for the same month or adjacent months last year or such other time frame indicated with fares presently offered by the airlines for the same routes.

* Savings shown are against average airfares found on cheapoair.com for fares found in the same travel period last year. Fares are round trip, Fares incl. all fuel surcharges, taxes & fees and our service fees. Tickets are nonrefundable, nontransferable, non-assignable. Name changes are not permitted. Displayed fares are based on historical data, are subject to change and cannot be guaranteed at the time of booking. There is a higher probability of seats being available at this fare on Tuesday, Wednesday and Thursday, and may require a Saturday night stay at your destination. Lowest fares may require an advance purchase of up to 21 days. Certain blackout dates may apply. Holidays and weekend travel may have a surcharge. Other restrictions may apply. Additional terms and conditions of purchase. Save money by comparing multiple airlines within our website and choosing the lowest fare.

◊ Expires Jun 30, 2021. Discount applies to service fee for qualified airline tickets, hotel, car rental and vacation package bookings for destinations in the Northeast (CT, ME, MA, NH, RI, VT, NY, NJ, PA) and Midwest (IL, IN, MI, OH, WI, IA, KS, MN, MO, NE, ND, SD) regions of the United States, Canada, South America, Asia, Europe, Africa and South Pacific. Amount of service fee discount varies: for air bookings maximum savings of $5 per person applied to bookings from one (1) traveler up to three (3) travelers; the maximum discount applied is $15; for hotel bookings maximum savings of $10 applied on qualified purchases; for car rental bookings maximum savings of $8 applied on qualified bookings; for vacation package bookings maximum savings of $20 applied on qualified bookings. Promo Code and Instant Savings offers can be combined up to the amount of our service fees but cannot be used or combined with any other coupons, promotions or special offers. May be withdrawn at any time without notice. No cash value, void where prohibited.