Flights Shannon → Portland
As of October 2026, economy flights from Shannon to Portland have a typical range USD 1233–3239, median USD 1332. Full range across all 66 offers: USD 1089–3962. We found 50% of 66 offers from budget carriers (around USD 1313) and 50% from full-service carriers (around USD 1378).
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Shannon → Portland
Based on 66 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Shannon → Portland
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Aer Lingus | Included | USD 30 | — |
| British Airways | — | USD 65 | — |
| American Airlines | Included | Included | — |
| Air Canada | Included | — | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Shannon to Portland cost?
Based on 66 offers · October 2026
Shannon to Portland flights ranged from USD 1089 to USD 3962 across 66 offers analyzed in October 2026. Two fare clusters detected: budget fares around 1232 and premium fares around 3244 The chart below shows how prices distributed across all 66 offers.
These 66 offers (October 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 1306 and USD 1655
What hidden fees do Shannon to Portland flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Shannon to Portland routes. The breakdown below is based on 66 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| EI | 12 | 1% |
| BA | 75 | 5% |
| AA | 47 | 2% |
| AC | 36 | 2% |
British Airways: base ~USD 1238 + fees USD 75 = ~USD 1313 total. Aer Lingus: base ~USD 1366 + fees USD 12 = ~USD 1378 total.
British Airways's USD 75 ancillary fees narrow the gap with Aer Lingus's lower-fee model — the USD 128 base difference shrinks to USD 65 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Shannon to Portland?
6 airlines flew Shannon to Portland in this dataset. The route shows a clear split between low-cost and full-service carriers. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 EI|FI | 1 | — | 1089 | n/a |
 Aer Lingus | 20 | 1210–3232 | 1294 | n/a |
 British Airways | 12 | — | 1313 | 75 (6%) |
 Aer Lingus | 9 | 1293–1842 | 1378 | 12 (1%) |
 American Airlines | 15 | 1304–3590 | 1378 | 47 (3%) |
 Air Canada | 9 | 1339–1645 | 1412 | 36 (3%) |
Where do the best Shannon → Portland prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Shannon to Portland flights
- Shannon–Portland had 66 offers analyzed. Median price: USD 1332.
- BA charges 6.1x more in ancillary fees than EI — USD 75 vs USD 12 avg per booking.
- The same route priced USD 2203 apart depending on where it was booked — the lowest median was USD 1089. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Shannon to Portland cost?
- Based on 66 offers analyzed, Shannon to Portland flights range from USD 1089 to USD 3962, with a median price of USD 1332. Search for your specific dates →
- What hidden fees should I expect on Shannon to Portland flights?
- On average, ancillary fees (bags, seat selection) add USD 45 to the base fare on Shannon to Portland flights. See itemized fees for your itinerary →
- Which airline is cheapest on Shannon to Portland including all fees?
- EI|FI has the lowest median fare on Shannon to Portland at USD 1089 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Shannon–Portland flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 1089. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Shannon to Portland routes?
- Shannon to Portland has 6 airlines competing, creating a price range from USD 1089 to USD 3962 across 66 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
6 airlines, two price clusters — find which fits your budget
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