Compare the airlines we priced on your route
Pick your US airport and the European airport you are flying into. See observed fares for one travel week, lowest first, with recorded routing and separate cabin research, from 6,690 fares we priced ourselves.
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Boston to London Heathrow (LHR), economy, travel November 8–14, 2026
Lowest observed: SAS at $636, via CPH
Cheapest nonstop: Delta at $815, $179 more than the connection.
Airlines we observed, lowest fare first
| Airline | Fare | Above cheapest | Routing |
|---|---|---|---|
| SAS | $636 | cheapest | via CPH |
| Icelandair | $683 | +$47 | via KEF |
| TAP Air Portugal | $778 | +$142 | via LIS |
| Aer Lingus | $794 | +$158 | via DUB |
| Delta | $815 | +$179 | nonstop |
| Virgin Atlantic | $815 | +$179 | nonstop |
| JetBlue | $822 | +$186 | nonstop |
| American | $823 | +$187 | nonstop |
| British Airways | $823 | +$187 | nonstop |
Round trip, one adult, taxes in, bags out, for the same fixed travel week. Routing and ticket conditions can differ. Latest observation across the grid: September 1, 2026; some fares were collected earlier. These are historical observations, not bookable prices.
What the comparison covers
The grid contains 6,690 fares across 888 economy and 884 business routes. The planned coverage is 26 US gateways and 47 European airports. A route can have priced observations, no search result or a collection gap; the tool labels those states separately.
Fares were observed August 31 – September 1, 2026 for travel November 8–14, 2026. Matching the dates and cabin helps compare prices, but does not make the journeys identical. A nonstop and a connection can appear together, and the search did not record journey duration, aircraft or ticket restrictions alongside each quote.
How to use it
Select your departure airport, destination airport and cabin. Inspect the recorded routing before treating a price difference as a saving. Search the airlines you would consider for your actual dates, then compare the complete ticket cost, journey time and change conditions. In business, verify the seat map on every segment.
If a carrier is absent, that means it has no recorded fare under these search conditions. It does not prove it cannot sell your trip. If the cheapest airline changes on your dates, use the current quote: the snapshot does not predict a permanent winner.
What a single week cannot establish
These observations do not establish normal prices, stable fare gaps or how long a deal lasts. They also cannot attach an airline’s best seat to its lowest fare. Read the airline analysis for the broader dataset and the open data page for downloadable aggregates.
These dated comparisons can guide a fresh search. Deal alerts provide additional offers to evaluate against your dates, routing and total ticket cost.
Common questions
- Why is every fare for the same week?
- A fixed travel week removes one source of variation when comparing airlines. These observations cover November 8–14, 2026; carriers on each route were captured in the same session. Routing, journey time and ticket conditions can still differ, so the lowest price is not automatically the best trip.
- Should I take the cheaper connection?
- Compare the actual saving with total journey time, connection length and the cabin on each segment. The tool shows the nonstop premium where both kinds of fare were observed, but does not measure what the added time is worth to you.
- What does the seat column mean?
- It describes the airline's best documented business product using our bed, aisle-access and privacy-door rubric. The cabin research is separate from the fare search: we did not record the aircraft attached to each quote. Confirm the seat map and operating carrier on your exact flight before paying for a feature.
- What does a missing fare mean?
- The tool distinguishes a searched route with no result, a route not yet collected, an unresolved search and a route outside the planned grid. None establishes that an airline is unavailable on your dates. Check current flight availability before ruling out a route.
- Are these bookable prices?
- No. The fares were observed August 31 – September 1, 2026 for travel November 8–14, 2026. They show what was quoted under those search conditions. Search current dates and ticket rules before booking; a single travel week cannot establish normal prices or how long a fare will last.
Written by
Jon Miksis
Jon Miksis has run travel businesses since 2017 and spends 3–6 months a year traveling, two to three of them in Europe. He has taken 250+ flights and booked every one himself, and regularly flies Boston to Europe for under $300 round trip. Every “Flown” review is from his own seat.
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