$224 Find Cheap Flights from Illinois to Portugal

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Useful Info
Useful Info

Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$224
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 27% increase in price.
Flight from Chicago O'Hare Airport to Lisbon

FAQs for booking flights from Illinois to Portugal

  • How does KAYAK find such low prices on flights from Illinois to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to Portugal is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Illinois to Portugal with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Illinois to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in Portugal?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Portugal is Lisbon Humberto Delgado Airport (LIS), with an average flight price of $469.

  • What is the cheapest day to fly to Portugal?

    Based on KAYAK data, the cheapest day to fly to Portugal is Wednesday where round-trip tickets can be as cheap as $584. On the other hand, the most expensive day to fly is Thursday, where round-trip prices are $850 on average.

  • What is the cheapest time of day to fly to Portugal?

    The cheapest time of day to fly to Portugal is generally at night, when round-trip flights cost $545 on average. Morning departures are around 3% cheaper than evening flights, on average. The most expensive time of day to fly to Portugal is generally in the evening, which is peak travel time and where the average cost of a ticket is $816.

  • What is the cheapest flight to Portugal?

    The cheapest ticket to Portugal from Illinois found in the last 72 hours was to Lisbon, at $438 round-trip. The most popular route is Chicago O'Hare Intl Airport (ORD) to Lisbon (LIS) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $438.

  • What is the cheapest month to fly from Illinois to Portugal?

    The cheapest month for flights from Illinois to Portugal is January, when tickets cost $548 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of round-trip tickets is $1,059 and $956 respectively.

  • How far in advance should I book a flight from Illinois to Portugal?

    To get a below average price on the flight from Illinois to Portugal, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

  • How long is the flight to Portugal?

    An average nonstop flight from Illinois to Portugal takes 15h 24m, covering a distance of 3818 miles. The shortest route is Chicago O'Hare Intl Airport (ORD) to Lisbon (LIS) with an average flight time of 7h 55m.

  • What are the most popular destinations in Portugal?

    Based on KAYAK flight searches, the most popular destination is Lisbon (71% of total searches to Portugal). The next most popular destinations are Porto (16%) and Faro (5%). Searches for flights to Funchal (4%), to Ponta Delgada (3%) and to Lajes (1%) are also popular.

Book cheap flights from Illinois to Portugal

Recent round-trip flight deals

11/27Thu
1 stopScandinavian Airlines
14h 45mORD-LIS
12/3Wed
1 stopScandinavian Airlines
29h 50mLIS-ORD
$414
11/16Sun
1 stopScandinavian Airlines
14h 45mORD-LIS
12/3Wed
1 stopScandinavian Airlines
29h 50mLIS-ORD
$416
10/7Tue
2 stops
22h 20mORD-OPO
10/13Mon
2 stops
30h 46mOPO-ORD
$459
12/2Tue
1 stop
11h 45mORD-LIS
12/11Thu
1 stop
33h 40mLIS-ORD
$461
10/29Wed
1 stopIcelandair
19h 50mORD-LIS
11/9Sun
1 stopIcelandair
26h 00mLIS-ORD
$473
11/18Tue
2 stopsAir Canada
20h 00mORD-LIS
12/2Tue
2 stopsAir Canada
31h 15mLIS-ORD
$478
9/21Sun
nonstopTAP AIR PORTUGAL
8h 00mORD-LIS
10/1Wed
nonstopTAP AIR PORTUGAL
9h 15mLIS-ORD
$482
11/18Tue
2 stopsAir Canada
20h 00mORD-LIS
12/3Wed
2 stopsAir Canada
33h 40mLIS-ORD
$485
8/13Wed
1 stopIcelandair
19h 55mORD-LIS
8/24Sun
1 stopIcelandair
28h 55mLIS-ORD
$487
9/14Sun
1 stopTAP AIR PORTUGAL
17h 20mORD-FAO
9/20Sat
1 stopTAP AIR PORTUGAL
16h 25mFAO-ORD
$489

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Recent one-way flight deals

8/9Sat
nonstopTAP AIR PORTUGAL
8h 00mORD-LIS
$224
8/10Sun
nonstopTAP AIR PORTUGAL
8h 00mORD-LIS
$233
8/3Sun
1 stop
22h 14mORD-LIS
$269
7/14Mon
2 stops
30h 35mORD-OPO
$270
7/30Wed
1 stopIcelandair
19h 55mORD-LIS
$318
9/6Sat
1 stopIcelandair
19h 55mORD-LIS
$356
11/8Sat
1 stopScandinavian Airlines
14h 45mORD-LIS
$366
11/6Thu
1 stopScandinavian Airlines
14h 45mORD-LIS
$384
10/15Wed
1 stopUnited Airlines
13h 50mSTL-LIS
$395
11/26Wed
2 stopsUnited Airlines
18h 20mORD-LIS
$406

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Last minute flights from Illinois to Portugal

Last minute flight, train and bus deals

6/17Tue
multi-stopAmerican Airlines
15h 01mORD-LIS
10/23Thu
multi-stopAmerican Airlines
13h 40mLIS-ORD
$1,034
6/20Fri
multi-stop
31h 22mORD-LIS
6/25Wed
multi-stop
30h 07mLIS-ORD
$1,037
6/17Tue
multi-stopTAP AIR PORTUGAL
14h 45mORD-LIS
10/23Thu
nonstopTAP AIR PORTUGAL
9h 15mLIS-ORD
$1,216
6/18Wed
multi-stopLOT
15h 15mORD-LIS
6/24Tue
multi-stopLOT
31h 55mLIS-ORD
$1,234
6/18Wed
multi-stopLOT
32h 15mORD-LIS
6/23Mon
multi-stopLOT
32h 25mLIS-ORD
$1,235
6/17Tue
multi-stopAir Canada
14h 16mORD-LIS
10/23Thu
multi-stopAir Canada
18h 41mLIS-ORD
$1,249
6/18Wed
nonstopTAP AIR PORTUGAL
7h 55mORD-LIS
7/18Fri
nonstopTAP AIR PORTUGAL
9h 25mLIS-ORD
$1,353
6/18Wed
multi-stopIberia
17h 35mORD-LIS
6/24Tue
multi-stopIberia
13h 40mLIS-ORD
$1,406
6/18Wed
multi-stopIberia
17h 35mORD-LIS
7/18Fri
multi-stopIberia
17h 46mLIS-ORD
$1,432
6/18Wed
multi-stopAir Canada
17h 20mORD-LIS
7/4Fri
multi-stopAir Canada
14h 04mLIS-ORD
$1,943

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Everything you need to know for your flight to Portugal

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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